From c0a99f02933e1e58197e61d0b2c6e0b3824a2119 Mon Sep 17 00:00:00 2001 From: Anton Kolesov Date: Fri, 23 Oct 2015 21:24:50 +0300 Subject: [PATCH] Add support for ARC to newlib newlib/ChangeLog: 2015-11-12 Anton Kolesov * configure.host: Add ARC support. * libc/include/machine/setjmp.h: Likewise. * libc/machine/configure: Likewise. * libc/machine/configure.in: Likewise. * libc/machine/arc/Makefile.am: Likewise. * libc/machine/arc/Makefile.in: Likewise. * libc/machine/arc/aclocal.m4: Likewise. * libc/machine/arc/asm.h: Likewise. * libc/machine/arc/configure: Likewise. * libc/machine/arc/configure.in: Likewise. * libc/machine/arc/memcmp-bs-norm.S: Likewise. * libc/machine/arc/memcmp-stub.c: Likewise. * libc/machine/arc/memcmp.S: Likewise. * libc/machine/arc/memcpy-archs.S: Likewise. * libc/machine/arc/memcpy-bs.S: Likewise. * libc/machine/arc/memcpy-stub.c: Likewise. * libc/machine/arc/memcpy.S: Likewise. * libc/machine/arc/memset-archs.S: Likewise. * libc/machine/arc/memset-bs.S: Likewise. * libc/machine/arc/memset-stub.c: Likewise. * libc/machine/arc/memset.S: Likewise. * libc/machine/arc/setjmp.S: Likewise. * libc/machine/arc/strchr-bs-norm.S: Likewise. * libc/machine/arc/strchr-bs.S: Likewise. * libc/machine/arc/strchr-stub.c: Likewise. * libc/machine/arc/strchr.S: Likewise. * libc/machine/arc/strcmp-archs.S: Likewise. * libc/machine/arc/strcmp-stub.c: Likewise. * libc/machine/arc/strcmp.S: Likewise. * libc/machine/arc/strcpy-bs-arc600.S: Likewise. * libc/machine/arc/strcpy-bs.S: Likewise. * libc/machine/arc/strcpy-stub.c: Likewise. * libc/machine/arc/strcpy.S: Likewise. * libc/machine/arc/strlen-bs-norm.S: Likewise. * libc/machine/arc/strlen-bs.S: Likewise. * libc/machine/arc/strlen-stub.c: Likewise. * libc/machine/arc/strlen.S: Likewise. * libc/machine/arc/strncpy-bs.S: Likewise. * libc/machine/arc/strncpy-stub.c: Likewise. * libc/machine/arc/strncpy.S: Likewise. --- newlib/ChangeLog | 43 + newlib/configure.host | 10 +- newlib/libc/include/machine/setjmp.h | 4 + newlib/libc/machine/arc/Makefile.am | 48 + newlib/libc/machine/arc/Makefile.in | 637 +++ newlib/libc/machine/arc/aclocal.m4 | 992 +++++ newlib/libc/machine/arc/asm.h | 64 + newlib/libc/machine/arc/configure | 4692 ++++++++++++++++++++ newlib/libc/machine/arc/configure.in | 13 + newlib/libc/machine/arc/memcmp-bs-norm.S | 223 + newlib/libc/machine/arc/memcmp-stub.c | 36 + newlib/libc/machine/arc/memcmp.S | 153 + newlib/libc/machine/arc/memcpy-archs.S | 268 ++ newlib/libc/machine/arc/memcpy-bs.S | 103 + newlib/libc/machine/arc/memcpy-stub.c | 36 + newlib/libc/machine/arc/memcpy.S | 109 + newlib/libc/machine/arc/memset-archs.S | 146 + newlib/libc/machine/arc/memset-bs.S | 154 + newlib/libc/machine/arc/memset-stub.c | 36 + newlib/libc/machine/arc/memset.S | 109 + newlib/libc/machine/arc/setjmp.S | 165 + newlib/libc/machine/arc/strchr-bs-norm.S | 165 + newlib/libc/machine/arc/strchr-bs.S | 200 + newlib/libc/machine/arc/strchr-stub.c | 36 + newlib/libc/machine/arc/strchr.S | 208 + newlib/libc/machine/arc/strcmp-archs.S | 109 + newlib/libc/machine/arc/strcmp-stub.c | 36 + newlib/libc/machine/arc/strcmp.S | 133 + newlib/libc/machine/arc/strcpy-bs-arc600.S | 120 + newlib/libc/machine/arc/strcpy-bs.S | 103 + newlib/libc/machine/arc/strcpy-stub.c | 36 + newlib/libc/machine/arc/strcpy.S | 90 + newlib/libc/machine/arc/strlen-bs-norm.S | 115 + newlib/libc/machine/arc/strlen-bs.S | 122 + newlib/libc/machine/arc/strlen-stub.c | 36 + newlib/libc/machine/arc/strlen.S | 165 + newlib/libc/machine/arc/strncpy-bs.S | 171 + newlib/libc/machine/arc/strncpy-stub.c | 36 + newlib/libc/machine/arc/strncpy.S | 134 + newlib/libc/machine/configure | 3 + newlib/libc/machine/configure.in | 1 + 41 files changed, 10054 insertions(+), 6 deletions(-) create mode 100644 newlib/libc/machine/arc/Makefile.am create mode 100644 newlib/libc/machine/arc/Makefile.in create mode 100644 newlib/libc/machine/arc/aclocal.m4 create mode 100644 newlib/libc/machine/arc/asm.h create mode 100755 newlib/libc/machine/arc/configure create mode 100644 newlib/libc/machine/arc/configure.in create mode 100644 newlib/libc/machine/arc/memcmp-bs-norm.S create mode 100644 newlib/libc/machine/arc/memcmp-stub.c create mode 100644 newlib/libc/machine/arc/memcmp.S create mode 100644 newlib/libc/machine/arc/memcpy-archs.S create mode 100644 newlib/libc/machine/arc/memcpy-bs.S create mode 100644 newlib/libc/machine/arc/memcpy-stub.c create mode 100644 newlib/libc/machine/arc/memcpy.S create mode 100644 newlib/libc/machine/arc/memset-archs.S create mode 100644 newlib/libc/machine/arc/memset-bs.S create mode 100644 newlib/libc/machine/arc/memset-stub.c create mode 100644 newlib/libc/machine/arc/memset.S create mode 100644 newlib/libc/machine/arc/setjmp.S create mode 100644 newlib/libc/machine/arc/strchr-bs-norm.S create mode 100644 newlib/libc/machine/arc/strchr-bs.S create mode 100644 newlib/libc/machine/arc/strchr-stub.c create mode 100644 newlib/libc/machine/arc/strchr.S create mode 100644 newlib/libc/machine/arc/strcmp-archs.S create mode 100644 newlib/libc/machine/arc/strcmp-stub.c create mode 100644 newlib/libc/machine/arc/strcmp.S create mode 100644 newlib/libc/machine/arc/strcpy-bs-arc600.S create mode 100644 newlib/libc/machine/arc/strcpy-bs.S create mode 100644 newlib/libc/machine/arc/strcpy-stub.c create mode 100644 newlib/libc/machine/arc/strcpy.S create mode 100644 newlib/libc/machine/arc/strlen-bs-norm.S create mode 100644 newlib/libc/machine/arc/strlen-bs.S create mode 100644 newlib/libc/machine/arc/strlen-stub.c create mode 100644 newlib/libc/machine/arc/strlen.S create mode 100644 newlib/libc/machine/arc/strncpy-bs.S create mode 100644 newlib/libc/machine/arc/strncpy-stub.c create mode 100644 newlib/libc/machine/arc/strncpy.S diff --git a/newlib/ChangeLog b/newlib/ChangeLog index 6cd22c779..e10f5c234 100644 --- a/newlib/ChangeLog +++ b/newlib/ChangeLog @@ -1,3 +1,46 @@ +2015-11-12 Anton Kolesov + + * configure.host: Add ARC support. + * libc/include/machine/setjmp.h: Likewise. + * libc/machine/configure: Likewise. + * libc/machine/configure.in: Likewise. + * libc/machine/arc/Makefile.am: Likewise. + * libc/machine/arc/Makefile.in: Likewise. + * libc/machine/arc/aclocal.m4: Likewise. + * libc/machine/arc/asm.h: Likewise. + * libc/machine/arc/configure: Likewise. + * libc/machine/arc/configure.in: Likewise. + * libc/machine/arc/memcmp-bs-norm.S: Likewise. + * libc/machine/arc/memcmp-stub.c: Likewise. + * libc/machine/arc/memcmp.S: Likewise. + * libc/machine/arc/memcpy-archs.S: Likewise. + * libc/machine/arc/memcpy-bs.S: Likewise. + * libc/machine/arc/memcpy-stub.c: Likewise. + * libc/machine/arc/memcpy.S: Likewise. + * libc/machine/arc/memset-archs.S: Likewise. + * libc/machine/arc/memset-bs.S: Likewise. + * libc/machine/arc/memset-stub.c: Likewise. + * libc/machine/arc/memset.S: Likewise. + * libc/machine/arc/setjmp.S: Likewise. + * libc/machine/arc/strchr-bs-norm.S: Likewise. + * libc/machine/arc/strchr-bs.S: Likewise. + * libc/machine/arc/strchr-stub.c: Likewise. + * libc/machine/arc/strchr.S: Likewise. + * libc/machine/arc/strcmp-archs.S: Likewise. + * libc/machine/arc/strcmp-stub.c: Likewise. + * libc/machine/arc/strcmp.S: Likewise. + * libc/machine/arc/strcpy-bs-arc600.S: Likewise. + * libc/machine/arc/strcpy-bs.S: Likewise. + * libc/machine/arc/strcpy-stub.c: Likewise. + * libc/machine/arc/strcpy.S: Likewise. + * libc/machine/arc/strlen-bs-norm.S: Likewise. + * libc/machine/arc/strlen-bs.S: Likewise. + * libc/machine/arc/strlen-stub.c: Likewise. + * libc/machine/arc/strlen.S: Likewise. + * libc/machine/arc/strncpy-bs.S: Likewise. + * libc/machine/arc/strncpy-stub.c: Likewise. + * libc/machine/arc/strncpy.S: Likewise. + 2015-11-12 Anton Kolesov * configure.host: Remove ARC system. diff --git a/newlib/configure.host b/newlib/configure.host index 9851fbc21..5fa37d4b0 100644 --- a/newlib/configure.host +++ b/newlib/configure.host @@ -100,8 +100,8 @@ case "${host_cpu}" in machine_dir=aarch64 libm_machine_dir=aarch64 ;; - arc) - machine_dir= + arc*) + machine_dir=arc ;; arm*) machine_dir=arm @@ -611,8 +611,9 @@ case "${host}" in default_newlib_io_long_long="yes" syscall_dir=syscalls ;; - arc-*-*) + arc*-*-*) syscall_dir=syscalls + default_newlib_io_long_long="yes" ;; arm*-*-pe) syscall_dir=syscalls @@ -631,9 +632,6 @@ case "${host}" in newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR" fi ;; - arc*) - newlib_cflags="${newlib_cflags} -DREENTRANT_SYSCALLS_PROVIDED" - ;; avr*) newlib_cflags="${newlib_cflags} -DNO_EXEC -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES" ;; diff --git a/newlib/libc/include/machine/setjmp.h b/newlib/libc/include/machine/setjmp.h index 056325b5f..c08e6827c 100644 --- a/newlib/libc/include/machine/setjmp.h +++ b/newlib/libc/include/machine/setjmp.h @@ -262,6 +262,10 @@ _BEGIN_STD_C #define _JBLEN 16 #endif +#ifdef __arc__ +#define _JBLEN 25 /* r13-r30,blink,lp_count,lp_start,lp_end,mlo,mhi,status32 */ +#endif + #ifdef __MMIX__ /* Using a layout compatible with GCC's built-in. */ #define _JBLEN 5 diff --git a/newlib/libc/machine/arc/Makefile.am b/newlib/libc/machine/arc/Makefile.am new file mode 100644 index 000000000..8dee84b09 --- /dev/null +++ b/newlib/libc/machine/arc/Makefile.am @@ -0,0 +1,48 @@ +## Process this file with automake to generate Makefile.in + +AUTOMAKE_OPTIONS = cygnus + +INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) + +noinst_LIBRARIES = lib.a + +lib_a_SOURCES = \ + memcmp.S \ + memcmp-bs-norm.S \ + memcmp-stub.c \ + memcpy.S \ + memcpy-archs.S \ + memcpy-bs.S \ + memcpy-stub.c \ + memset.S \ + memset-archs.S \ + memset-bs.S \ + memset-stub.c \ + setjmp.S \ + strchr.S \ + strchr-bs.S \ + strchr-bs-norm.S \ + strchr-stub.c \ + strcmp.S \ + strcmp-archs.S \ + strcmp-stub.c \ + strcpy.S \ + strcpy-bs.S \ + strcpy-bs-arc600.S \ + strcpy-stub.c \ + strlen.S \ + strlen-bs.S \ + strlen-bs-norm.S \ + strlen-stub.c \ + strncpy.S \ + strncpy-stub.c \ + strncpy-bs.S + 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All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + + +#define _ENTRY(name) \ + .text ` .balign 4 ` .globl name ` name: +#define FUNC(name) .type name,@function +#define ENDFUNC0(name) .Lfe_##name: .size name,.Lfe_##name-name +#define ENDFUNC(name) ENDFUNC0 (name) +#define ENTRY(name) _ENTRY (name) ` FUNC (name) + +#define add_l add +#define bcc_l bcc +#define bclr_l bclr +#define beq_l beq +#define bic_l bic +#define b_l b +#define bne_l bne +#define breq_l breq +#define brne_l brne +#define j_l j +#define ldb_l ldb +#define ld_l ld +#define mov_l mov +#define or_l or +#define st_l st +#define stb_l stb +#define sub_l sub +#define tst_l tst +#define extb_l extb + +#define bcc_s bhs_s + +#endif /* ARC_NEWLIB_ASM_H */ diff --git a/newlib/libc/machine/arc/configure b/newlib/libc/machine/arc/configure new file mode 100755 index 000000000..1b918c287 --- /dev/null +++ b/newlib/libc/machine/arc/configure @@ -0,0 +1,4692 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.64 for newlib 2.2.0. +# +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, +# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software +# Foundation, Inc. +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + # We cannot yet assume a decent shell, so we have to provide a + # neutralization value for shells without unset; and this also + # works around shells that cannot unset nonexistent variables. + BASH_ENV=/dev/null + ENV=/dev/null + (unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV + export CONFIG_SHELL + exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"} +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org about your system, +$0: including any error possibly output before this +$0: message. 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McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } + + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . 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" >&6; } +am__include="#" +am__quote= +_am_result=none +# First try GNU make style include. +echo "include confinc" > confmf +# Ignore all kinds of additional output from `make'. +case `$am_make -s -f confmf 2> /dev/null` in #( +*the\ am__doit\ target*) + am__include=include + am__quote= + _am_result=GNU + ;; +esac +# Now try BSD make style include. +if test "$am__include" = "#"; then + echo '.include "confinc"' > confmf + case `$am_make -s -f confmf 2> /dev/null` in #( + *the\ am__doit\ target*) + am__include=.include + am__quote="\"" + _am_result=BSD + ;; + esac +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5 +$as_echo "$_am_result" >&6; } +rm -f confinc confmf + +# Check whether --enable-dependency-tracking was given. +if test "${enable_dependency_tracking+set}" = set; then : + enableval=$enable_dependency_tracking; +fi + +if test "x$enable_dependency_tracking" != xno; then + am_depcomp="$ac_aux_dir/depcomp" + AMDEPBACKSLASH='\' +fi + if test "x$enable_dependency_tracking" != xno; then + AMDEP_TRUE= + AMDEP_FALSE='#' +else + AMDEP_TRUE='#' + AMDEP_FALSE= +fi + + + +# Check whether --enable-multilib was given. +if test "${enable_multilib+set}" = set; then : + enableval=$enable_multilib; case "${enableval}" in + yes) multilib=yes ;; + no) multilib=no ;; + *) as_fn_error "bad value ${enableval} for multilib option" "$LINENO" 5 ;; + esac +else + multilib=yes +fi + +# Check whether --enable-target-optspace was given. +if test "${enable_target_optspace+set}" = set; then : + enableval=$enable_target_optspace; case "${enableval}" in + yes) target_optspace=yes ;; + no) target_optspace=no ;; + *) as_fn_error "bad value ${enableval} for target-optspace option" "$LINENO" 5 ;; + esac +else + target_optspace= +fi + +# Check whether --enable-malloc-debugging was given. +if test "${enable_malloc_debugging+set}" = set; then : + enableval=$enable_malloc_debugging; case "${enableval}" in + yes) malloc_debugging=yes ;; + no) malloc_debugging=no ;; + *) as_fn_error "bad value ${enableval} for malloc-debugging option" "$LINENO" 5 ;; + esac +else + malloc_debugging= +fi + +# Check whether --enable-newlib-multithread was given. +if test "${enable_newlib_multithread+set}" = set; then : + enableval=$enable_newlib_multithread; case "${enableval}" in + yes) newlib_multithread=yes ;; + no) newlib_multithread=no ;; + *) as_fn_error "bad value ${enableval} for newlib-multithread option" "$LINENO" 5 ;; + esac +else + newlib_multithread=yes +fi + +# Check whether --enable-newlib-iconv was given. +if test "${enable_newlib_iconv+set}" = set; then : + enableval=$enable_newlib_iconv; if test "${newlib_iconv+set}" != set; then + case "${enableval}" in + yes) newlib_iconv=yes ;; + no) newlib_iconv=no ;; + *) as_fn_error "bad value ${enableval} for newlib-iconv option" "$LINENO" 5 ;; + esac + fi +else + newlib_iconv=${newlib_iconv} +fi + +# Check whether --enable-newlib-elix-level was given. +if test "${enable_newlib_elix_level+set}" = set; then : + enableval=$enable_newlib_elix_level; case "${enableval}" in + 0) newlib_elix_level=0 ;; + 1) newlib_elix_level=1 ;; + 2) newlib_elix_level=2 ;; + 3) newlib_elix_level=3 ;; + 4) newlib_elix_level=4 ;; + *) as_fn_error "bad value ${enableval} for newlib-elix-level option" "$LINENO" 5 ;; + esac +else + newlib_elix_level=0 +fi + +# Check whether --enable-newlib-io-float was given. +if test "${enable_newlib_io_float+set}" = set; then : + enableval=$enable_newlib_io_float; case "${enableval}" in + yes) newlib_io_float=yes ;; + no) newlib_io_float=no ;; + *) as_fn_error "bad value ${enableval} for newlib-io-float option" "$LINENO" 5 ;; + esac +else + newlib_io_float=yes +fi + +# Check whether --enable-newlib-supplied-syscalls was given. +if test "${enable_newlib_supplied_syscalls+set}" = set; then : + enableval=$enable_newlib_supplied_syscalls; case "${enableval}" in + yes) newlib_may_supply_syscalls=yes ;; + no) newlib_may_supply_syscalls=no ;; + *) as_fn_error "bad value ${enableval} for newlib-supplied-syscalls option" "$LINENO" 5 ;; + esac +else + newlib_may_supply_syscalls=yes +fi + + if test x${newlib_may_supply_syscalls} = xyes; then + MAY_SUPPLY_SYSCALLS_TRUE= + MAY_SUPPLY_SYSCALLS_FALSE='#' +else + MAY_SUPPLY_SYSCALLS_TRUE='#' + MAY_SUPPLY_SYSCALLS_FALSE= +fi + + + +test -z "${with_target_subdir}" && with_target_subdir=. + +if test "${srcdir}" = "."; then + if test "${with_target_subdir}" != "."; then + newlib_basedir="${srcdir}/${with_multisrctop}../../../.." + else + newlib_basedir="${srcdir}/${with_multisrctop}../../.." + fi +else + newlib_basedir="${srcdir}/../../.." +fi + + + + +if test "`cd $srcdir && pwd`" != "`pwd`"; then + # Use -I$(srcdir) only when $(srcdir) != ., so that make's output + # is not polluted with repeated "-I." + am__isrc=' -I$(srcdir)' + # test to see if srcdir already configured + if test -f $srcdir/config.status; then + as_fn_error "source directory already configured; run \"make distclean\" there first" "$LINENO" 5 + fi +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE='newlib' + VERSION='2.2.0' + + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +# We need awk for the "check" target. The system "awk" is bad on +# some platforms. +# Always define AMTAR for backward compatibility. + +AMTAR=${AMTAR-"${am_missing_run}tar"} + +am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -' + + + + + + +# FIXME: We temporarily define our own version of AC_PROG_CC. This is +# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We +# are probably using a cross compiler, which will not be able to fully +# link an executable. This should really be fixed in autoconf +# itself. + + + + + + + +# Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + +depcc="$CC" am_compiler_list= + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 +$as_echo_n "checking dependency style of $depcc... " >&6; } +if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + am__universal=false + case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvisualcpp | msvcmsys) + # This compiler won't grok `-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -z "$CC" && as_fn_error "no acceptable cc found in \$PATH" "$LINENO" 5 +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using GNU C" >&5 +$as_echo_n "checking whether we are using GNU C... " >&6; } +if test "${ac_cv_c_compiler_gnu+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat > conftest.c <&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } | egrep yes >/dev/null 2>&1; then + ac_cv_c_compiler_gnu=yes +else + ac_cv_c_compiler_gnu=no +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } + +if test $ac_cv_c_compiler_gnu = yes; then + GCC=yes + ac_test_CFLAGS="${CFLAGS+set}" + ac_save_CFLAGS="$CFLAGS" + ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if test "${ac_cv_prog_cc_g+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi + if test "$ac_test_CFLAGS" = set; then + CFLAGS="$ac_save_CFLAGS" + elif test $ac_cv_prog_cc_g = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-O2" + fi +else + GCC= + test "${CFLAGS+set}" = set || CFLAGS="-g" +fi + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args. +set dummy ${ac_tool_prefix}as; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_AS+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AS"; then + ac_cv_prog_AS="$AS" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_AS="${ac_tool_prefix}as" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AS=$ac_cv_prog_AS +if test -n "$AS"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AS" >&5 +$as_echo "$AS" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_AS"; then + ac_ct_AS=$AS + # Extract the first word of "as", so it can be a program name with args. +set dummy as; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_AS+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_AS"; then + ac_cv_prog_ac_ct_AS="$ac_ct_AS" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_AS="as" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_AS=$ac_cv_prog_ac_ct_AS +if test -n "$ac_ct_AS"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AS" >&5 +$as_echo "$ac_ct_AS" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_AS" = x; then + AS="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AS=$ac_ct_AS + fi +else + AS="$ac_cv_prog_AS" +fi + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args. +set dummy ${ac_tool_prefix}ar; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_AR+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_AR="${ac_tool_prefix}ar" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AR=$ac_cv_prog_AR +if test -n "$AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +$as_echo "$AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_AR"; then + ac_ct_AR=$AR + # Extract the first word of "ar", so it can be a program name with args. +set dummy ar; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_AR+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_AR"; then + ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_AR="ar" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_AR=$ac_cv_prog_ac_ct_AR +if test -n "$ac_ct_AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 +$as_echo "$ac_ct_AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_AR" = x; then + AR="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AR=$ac_ct_AR + fi +else + AR="$ac_cv_prog_AR" +fi + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_RANLIB+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}readelf", so it can be a program name with args. +set dummy ${ac_tool_prefix}readelf; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_READELF+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$READELF"; then + ac_cv_prog_READELF="$READELF" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_READELF="${ac_tool_prefix}readelf" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +READELF=$ac_cv_prog_READELF +if test -n "$READELF"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF" >&5 +$as_echo "$READELF" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_READELF"; then + ac_ct_READELF=$READELF + # Extract the first word of "readelf", so it can be a program name with args. +set dummy readelf; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_READELF+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_READELF"; then + ac_cv_prog_ac_ct_READELF="$ac_ct_READELF" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_READELF="readelf" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_READELF=$ac_cv_prog_ac_ct_READELF +if test -n "$ac_ct_READELF"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_READELF" >&5 +$as_echo "$ac_ct_READELF" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_READELF" = x; then + READELF=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + READELF=$ac_ct_READELF + fi +else + READELF="$ac_cv_prog_READELF" +fi + + + + +# Hack to ensure that INSTALL won't be set to "../" with autoconf 2.13. */ +ac_given_INSTALL=$INSTALL + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5 +$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; } + # Check whether --enable-maintainer-mode was given. +if test "${enable_maintainer_mode+set}" = set; then : + enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval +else + USE_MAINTAINER_MODE=no +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5 +$as_echo "$USE_MAINTAINER_MODE" >&6; } + if test $USE_MAINTAINER_MODE = yes; then + MAINTAINER_MODE_TRUE= + MAINTAINER_MODE_FALSE='#' +else + MAINTAINER_MODE_TRUE='#' + MAINTAINER_MODE_FALSE= +fi + + MAINT=$MAINTAINER_MODE_TRUE + + +# By default we simply use the C compiler to build assembly code. + +test "${CCAS+set}" = set || CCAS=$CC +test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS + + + + +# We need AC_EXEEXT to keep automake happy in cygnus mode. However, +# at least currently, we never actually build a program, so we never +# need to use $(EXEEXT). Moreover, the test for EXEEXT normally +# fails, because we are probably configuring with a cross compiler +# which can't create executables. So we include AC_EXEEXT to keep +# automake happy, but we don't execute it, since we don't care about +# the result. +if false; then + + dummy_var=1 +fi + +. ${newlib_basedir}/configure.host + +newlib_cflags="${newlib_cflags} -fno-builtin" + +NEWLIB_CFLAGS=${newlib_cflags} + + +NO_INCLUDE_LIST=${noinclude} + + +LDFLAGS=${ldflags} + + + if test x${newlib_elix_level} = x0; then + ELIX_LEVEL_0_TRUE= + ELIX_LEVEL_0_FALSE='#' +else + ELIX_LEVEL_0_TRUE='#' + ELIX_LEVEL_0_FALSE= +fi + + if test x${newlib_elix_level} = x1; then + ELIX_LEVEL_1_TRUE= + ELIX_LEVEL_1_FALSE='#' +else + ELIX_LEVEL_1_TRUE='#' + ELIX_LEVEL_1_FALSE= +fi + + if test x${newlib_elix_level} = x2; then + ELIX_LEVEL_2_TRUE= + ELIX_LEVEL_2_FALSE='#' +else + ELIX_LEVEL_2_TRUE='#' + ELIX_LEVEL_2_FALSE= +fi + + if test x${newlib_elix_level} = x3; then + ELIX_LEVEL_3_TRUE= + ELIX_LEVEL_3_FALSE='#' +else + ELIX_LEVEL_3_TRUE='#' + ELIX_LEVEL_3_FALSE= +fi + + if test x${newlib_elix_level} = x4; then + ELIX_LEVEL_4_TRUE= + ELIX_LEVEL_4_FALSE='#' +else + ELIX_LEVEL_4_TRUE='#' + ELIX_LEVEL_4_FALSE= +fi + + + if test x${use_libtool} = xyes; then + USE_LIBTOOL_TRUE= + USE_LIBTOOL_FALSE='#' +else + USE_LIBTOOL_TRUE='#' + USE_LIBTOOL_FALSE= +fi + + +# Hard-code OBJEXT. Normally it is set by AC_OBJEXT, but we +# use oext, which is set in configure.host based on the target platform. +OBJEXT=${oext} + + + + + + + + + + + +ac_config_files="$ac_config_files Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + test "x$cache_file" != "x/dev/null" && + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + cat confcache >$cache_file + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +# Transform confdefs.h into DEFS. +# Protect against shell expansion while executing Makefile rules. +# Protect against Makefile macro expansion. +# +# If the first sed substitution is executed (which looks for macros that +# take arguments), then branch to the quote section. Otherwise, +# look for a macro that doesn't take arguments. +ac_script=' +:mline +/\\$/{ + N + s,\\\n,, + b mline +} +t clear +:clear +s/^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*([^)]*)\)[ ]*\(.*\)/-D\1=\2/g +t quote +s/^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)/-D\1=\2/g +t quote +b any +:quote +s/[ `~#$^&*(){}\\|;'\''"<>?]/\\&/g +s/\[/\\&/g +s/\]/\\&/g +s/\$/$$/g +H +:any +${ + g + s/^\n// + s/\n/ /g + p +} +' +DEFS=`sed -n "$ac_script" confdefs.h` + + +ac_libobjs= +ac_ltlibobjs= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +if test -z "${MAY_SUPPLY_SYSCALLS_TRUE}" && test -z "${MAY_SUPPLY_SYSCALLS_FALSE}"; then + as_fn_error "conditional \"MAY_SUPPLY_SYSCALLS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + as_fn_error "conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + as_fn_error "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then + as_fn_error "conditional \"MAINTAINER_MODE\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ELIX_LEVEL_0_TRUE}" && test -z "${ELIX_LEVEL_0_FALSE}"; then + as_fn_error "conditional \"ELIX_LEVEL_0\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ELIX_LEVEL_1_TRUE}" && test -z "${ELIX_LEVEL_1_FALSE}"; then + as_fn_error "conditional \"ELIX_LEVEL_1\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ELIX_LEVEL_2_TRUE}" && test -z "${ELIX_LEVEL_2_FALSE}"; then + as_fn_error "conditional \"ELIX_LEVEL_2\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ELIX_LEVEL_3_TRUE}" && test -z "${ELIX_LEVEL_3_FALSE}"; then + as_fn_error "conditional \"ELIX_LEVEL_3\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ELIX_LEVEL_4_TRUE}" && test -z "${ELIX_LEVEL_4_FALSE}"; then + as_fn_error "conditional \"ELIX_LEVEL_4\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${USE_LIBTOOL_TRUE}" && test -z "${USE_LIBTOOL_FALSE}"; then + as_fn_error "conditional \"USE_LIBTOOL\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +: ${CONFIG_STATUS=./config.status} +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error ERROR [LINENO LOG_FD] +# --------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with status $?, using 1 if that was 0. +as_fn_error () +{ + as_status=$?; test $as_status -eq 0 && as_status=1 + if test "$3"; then + as_lineno=${as_lineno-"$2"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $1" >&$3 + fi + $as_echo "$as_me: error: $1" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -p'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -p' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -p' + fi +else + as_ln_s='cp -p' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + +if test -x / >/dev/null 2>&1; then + as_test_x='test -x' +else + if ls -dL / >/dev/null 2>&1; then + as_ls_L_option=L + else + as_ls_L_option= + fi + as_test_x=' + eval sh -c '\'' + if test -d "$1"; then + test -d "$1/."; + else + case $1 in #( + -*)set "./$1";; + esac; + case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #(( + ???[sx]*):;;*)false;;esac;fi + '\'' sh + ' +fi +as_executable_p=$as_test_x + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by newlib $as_me 2.2.0, which was +generated by GNU Autoconf 2.64. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + +Configuration files: +$config_files + +Configuration commands: +$config_commands + +Report bugs to the package provider." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_version="\\ +newlib config.status 2.2.0 +configured by $0, generated by GNU Autoconf 2.64, + with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\" + +Copyright (C) 2009 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +MKDIR_P='$MKDIR_P' +AWK='$AWK' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h | --help | --hel | -h ) + $as_echo "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# +AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + + *) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= + trap 'exit_status=$? + { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -n "$tmp" && test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error "cannot create a temporary directory in ." "$LINENO" 5 + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! 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Please make sure it is defined." >&5 +$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined." >&2;} + + rm -f "$tmp/stdin" + case $ac_file in + -) cat "$tmp/out" && rm -f "$tmp/out";; + *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";; + esac \ + || as_fn_error "could not create $ac_file" "$LINENO" 5 + ;; + + + :C) { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5 +$as_echo "$as_me: executing $ac_file commands" >&6;} + ;; + esac + + + case $ac_file$ac_mode in + "depfiles":C) test x"$AMDEP_TRUE" != x"" || { + # Autoconf 2.62 quotes --file arguments for eval, but not when files + # are listed without --file. Let's play safe and only enable the eval + # if we detect the quoting. + case $CONFIG_FILES in + *\'*) eval set x "$CONFIG_FILES" ;; + *) set x $CONFIG_FILES ;; + esac + shift + for mf + do + # Strip MF so we end up with the name of the file. + mf=`echo "$mf" | sed -e 's/:.*$//'` + # Check whether this is an Automake generated Makefile or not. + # We used to match only the files named `Makefile.in', but + # some people rename them; so instead we look at the file content. + # Grep'ing the first line is not enough: some people post-process + # each Makefile.in and add a new line on top of each file to say so. + # Grep'ing the whole file is not good either: AIX grep has a line + # limit of 2048, but all sed's we know have understand at least 4000. + if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then + dirpart=`$as_dirname -- "$mf" || +$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$mf" : 'X\(//\)[^/]' \| \ + X"$mf" : 'X\(//\)$' \| \ + X"$mf" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$mf" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + else + continue + fi + # Extract the definition of DEPDIR, am__include, and am__quote + # from the Makefile without running `make'. + DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"` + test -z "$DEPDIR" && continue + am__include=`sed -n 's/^am__include = //p' < "$mf"` + test -z "am__include" && continue + am__quote=`sed -n 's/^am__quote = //p' < "$mf"` + # When using ansi2knr, U may be empty or an underscore; expand it + U=`sed -n 's/^U = //p' < "$mf"` + # Find all dependency output files, they are included files with + # $(DEPDIR) in their names. We invoke sed twice because it is the + # simplest approach to changing $(DEPDIR) to its actual value in the + # expansion. + for file in `sed -n " + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do + # Make sure the directory exists. + test -f "$dirpart/$file" && continue + fdir=`$as_dirname -- "$file" || +$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$file" : 'X\(//\)[^/]' \| \ + X"$file" : 'X\(//\)$' \| \ + X"$file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir=$dirpart/$fdir; as_fn_mkdir_p + # echo "creating $dirpart/$file" + echo '# dummy' > "$dirpart/$file" + done + done +} + ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit $? +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/newlib/libc/machine/arc/configure.in b/newlib/libc/machine/arc/configure.in new file mode 100644 index 000000000..0c7c1796d --- /dev/null +++ b/newlib/libc/machine/arc/configure.in @@ -0,0 +1,13 @@ +dnl This is the newlib/libc/machine/arc configure.in file. +dnl Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.59) +AC_INIT([newlib],[NEWLIB_VERSION]) +AC_CONFIG_SRCDIR([Makefile.am]) + +dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. +AC_CONFIG_AUX_DIR(../../../..) + +NEWLIB_CONFIGURE(../../..) + +AC_OUTPUT(Makefile) diff --git a/newlib/libc/machine/arc/memcmp-bs-norm.S b/newlib/libc/machine/arc/memcmp-bs-norm.S new file mode 100644 index 000000000..990ceef75 --- /dev/null +++ b/newlib/libc/machine/arc/memcmp-bs-norm.S @@ -0,0 +1,223 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/memcmp.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#if !defined (__ARC601__) && defined (__ARC_NORM__) && defined (__Xbarrel_shifter) +#ifdef __LITTLE_ENDIAN__ +#define WORD2 r2 +#define SHIFT r3 +#else /* BIG ENDIAN */ +#define WORD2 r3 +#define SHIFT r2 +#endif + +ENTRY (memcmp) + or r12,r0,r1 + asl_s r12,r12,30 +#if defined (__ARC700__) || defined (__EM__) || defined (__HS__) + sub_l r3,r2,1 + brls r2,r12,.Lbytewise +#else + brls.d r2,r12,.Lbytewise + sub_s r3,r2,1 +#endif + ld r4,[r0,0] + ld r5,[r1,0] + lsr.f lp_count,r3,3 +#ifdef __EM__ + /* A branch can't be the last instruction in a zero overhead loop. + So we move the branch to the start of the loop, duplicate it + after the end, and set up r12 so that the branch isn't taken + initially. */ + mov_s r12,WORD2 + lpne .Loop_end + brne WORD2,r12,.Lodd + ld WORD2,[r0,4] +#else + lpne .Loop_end + ld_s WORD2,[r0,4] +#endif + ld_s r12,[r1,4] + brne r4,r5,.Leven + ld.a r4,[r0,8] + ld.a r5,[r1,8] +#ifdef __EM__ +.Loop_end: + brne WORD2,r12,.Lodd +#else + brne WORD2,r12,.Lodd +#ifdef __HS__ + nop +#endif +.Loop_end: +#endif + asl_s SHIFT,SHIFT,3 + bcc_s .Last_cmp + brne r4,r5,.Leven + ld r4,[r0,4] + ld r5,[r1,4] +#ifdef __LITTLE_ENDIAN__ +#if defined (__ARC700__) || defined (__EM__) || defined (__HS__) + nop_s + ; one more load latency cycle +.Last_cmp: + xor r0,r4,r5 + bset r0,r0,SHIFT + sub_s r1,r0,1 + bic_s r1,r1,r0 + norm r1,r1 + b.d .Leven_cmp + and r1,r1,24 +.Leven: + xor r0,r4,r5 + sub_s r1,r0,1 + bic_s r1,r1,r0 + norm r1,r1 + ; slow track insn + and r1,r1,24 +.Leven_cmp: + asl r2,r4,r1 + asl r12,r5,r1 + lsr_s r2,r2,1 + lsr_s r12,r12,1 + j_s.d [blink] + sub r0,r2,r12 + .balign 4 +.Lodd: + xor r0,WORD2,r12 + sub_s r1,r0,1 + bic_s r1,r1,r0 + norm r1,r1 + ; slow track insn + and r1,r1,24 + asl_s r2,r2,r1 + asl_s r12,r12,r1 + lsr_s r2,r2,1 + lsr_s r12,r12,1 + j_s.d [blink] + sub r0,r2,r12 +#else /* !__ARC700__ */ + .balign 4 +.Last_cmp: + xor r0,r4,r5 + b.d .Leven_cmp + bset r0,r0,SHIFT +.Lodd: + mov_s r4,WORD2 + mov_s r5,r12 +.Leven: + xor r0,r4,r5 +.Leven_cmp: + mov_s r1,0x80808080 + ; uses long immediate + sub_s r12,r0,1 + bic_s r0,r0,r12 + sub r0,r1,r0 + xor_s r0,r0,r1 + and r1,r5,r0 + and r0,r4,r0 + xor.f 0,r0,r1 + sub_s r0,r0,r1 + j_s.d [blink] + mov.mi r0,r1 +#endif /* !__ARC700__ */ +#else /* BIG ENDIAN */ +.Last_cmp: + neg_s SHIFT,SHIFT + lsr r4,r4,SHIFT + lsr r5,r5,SHIFT + ; slow track insn +.Leven: + sub.f r0,r4,r5 + mov.ne r0,1 + j_s.d [blink] + bset.cs r0,r0,31 +.Lodd: + cmp_s WORD2,r12 +#if defined (__ARC700__) || defined (__EM__) || defined (__HS__) + mov_s r0,1 + j_s.d [blink] + bset.cs r0,r0,31 +#else /* !__ARC700__ */ + j_s.d [blink] + rrc r0,2 +#endif /* !__ARC700__ */ +#endif /* ENDIAN */ + .balign 4 +.Lbytewise: + breq r2,0,.Lnil + ldb r4,[r0,0] + ldb r5,[r1,0] + lsr.f lp_count,r3 +#ifdef __EM__ + mov r12,r3 + lpne .Lbyte_end + brne r3,r12,.Lbyte_odd +#else + lpne .Lbyte_end +#endif + ldb_s r3,[r0,1] + ldb_l r12,[r1,1] + brne r4,r5,.Lbyte_even + ldb.a r4,[r0,2] + ldb.a r5,[r1,2] +#ifdef __EM__ +.Lbyte_end: + brne r3,r12,.Lbyte_odd +#else + brne r3,r12,.Lbyte_odd +#ifdef __HS__ + nop +#endif +.Lbyte_end: +#endif + bcc_l .Lbyte_even + brne r4,r5,.Lbyte_even + ldb_s r3,[r0,1] + ldb_s r12,[r1,1] +.Lbyte_odd: + j_s.d [blink] + sub r0,r3,r12 +.Lbyte_even: + j_s.d [blink] + sub r0,r4,r5 +.Lnil: + j_s.d [blink] + mov_l r0,0 +ENDFUNC (memcmp) +#endif /* !__ARC601__ && __ARC_NORM__ && __Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/memcmp-stub.c b/newlib/libc/machine/arc/memcmp-stub.c new file mode 100644 index 000000000..30c7884d2 --- /dev/null +++ b/newlib/libc/machine/arc/memcmp-stub.c @@ -0,0 +1,36 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + + +#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED) +# include "../../string/memcmp.c" +#else +/* See memcmp-*.S. */ +#endif diff --git a/newlib/libc/machine/arc/memcmp.S b/newlib/libc/machine/arc/memcmp.S new file mode 100644 index 000000000..7014152cd --- /dev/null +++ b/newlib/libc/machine/arc/memcmp.S @@ -0,0 +1,153 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/memcmp.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#if defined (__ARC601__) || !defined (__ARC_NORM__) || !defined (__Xbarrel_shifter) + +/* Addresses are unsigned, and at 0 is the vector table, so it's OK to assume + that we can subtract 8 from a source end address without underflow. */ + +ENTRY (memcmp) + or r12,r0,r1 + tst r12,3 + breq r2,0,.Lnil + add_s r3,r0,r2 + +/* This algorithm for big endian targets sometimes works incorrectly + when sources are aligned. To be precise the last step is omitted. + Just use a simple bytewise variant until the algorithm is reviewed + and fixed. */ + +#ifdef __LITTLE_ENDIAN__ + bne_s .Lbytewise +#else /* BIG ENDIAN */ + b_s .Lbytewise +#endif /* ENDIAN */ + sub r6,r3,8 + ld r4,[r0,0] + ld r5,[r1,0] +2: + brhs r0,r6,.Loop_end + ld_s r3,[r0,4] + ld_s r12,[r1,4] + brne r4,r5,.Leven + ld.a r4,[r0,8] + breq.d r3,r12,2b + ld.a r5,[r1,8] +#ifdef __LITTLE_ENDIAN__ + mov_s r4,r3 + b.d .Lodd + mov_s r5,r12 +#else /* BIG ENDIAN */ + cmp_s r3,r12 + j_s.d [blink] + rrc r0,2 +#endif /* ENDIAN */ + + .balign 4 +.Loop_end: + sub r3,r0,r6 + brhs r3,4,.Last_cmp + brne r4,r5,.Leven + ld r4,[r0,4] + ld r5,[r1,4] +#ifdef __LITTLE_ENDIAN__ + .balign 4 +.Last_cmp: + mov_l r0,24 + add3 r2,r0,r2 + xor r0,r4,r5 + b.d .Leven_cmp + bset r0,r0,r2 +.Lodd: +.Leven: + xor r0,r4,r5 +.Leven_cmp: + mov_s r1,0x80808080 + ; uses long immediate + sub_s r12,r0,1 + bic_s r0,r0,r12 + sub r0,r1,r0 + xor_s r0,r0,r1 + and r1,r5,r0 + and r0,r4,r0 +#else /* BIG ENDIAN */ +.Last_cmp: + mov_s r3,0 + sub3 r2,r3,r2 + sub_s r3,r3,1 + bclr r3,r3,r2 + add_l r3,r3,1 + and r0,r4,r3 + and r1,r5,r3 +.Leven: +#endif /* ENDIAN */ + xor.f 0,r0,r1 + sub_s r0,r0,r1 + j_s.d [blink] + mov.mi r0,r1 + .balign 4 +.Lbytewise: + ldb r4,[r0,0] + ldb r5,[r1,0] + sub r6,r3,2 +3: + brhs r0,r6,.Lbyte_end + ldb_s r3,[r0,1] + ldb_s r12,[r1,1] + brne r4,r5,.Lbyte_even + ldb.a r4,[r0,2] + breq.d r3,r12,3b + ldb.a r5,[r1,2] +.Lbyte_odd: + j_s.d [blink] + sub r0,r3,r12 + .balign 4 +.Lbyte_end: + bbit1 r2,0,.Lbyte_even + brne r4,r5,.Lbyte_even + ldb r4,[r0,1] + ldb r5,[r1,1] +.Lbyte_even: + j_s.d [blink] + sub r0,r4,r5 +.Lnil: + j_s.d [blink] + mov_s r0,0 +ENDFUNC (memcmp) +#endif /* __ARC601__ || !__ARC_NORM__ || !__Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/memcpy-archs.S b/newlib/libc/machine/arc/memcpy-archs.S new file mode 100644 index 000000000..9949f8259 --- /dev/null +++ b/newlib/libc/machine/arc/memcpy-archs.S @@ -0,0 +1,268 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/memcpy.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#if defined (__HS__) + +#ifdef __LITTLE_ENDIAN__ +# define SHIFT_1(RX,RY,IMM) asl RX, RY, IMM ; << +# define SHIFT_2(RX,RY,IMM) lsr RX, RY, IMM ; >> +# define MERGE_1(RX,RY,IMM) asl RX, RY, IMM +# define MERGE_2(RX,RY,IMM) +# define EXTRACT_1(RX,RY,IMM) and RX, RY, 0xFFFF +# define EXTRACT_2(RX,RY,IMM) lsr RX, RY, IMM +#else +# define SHIFT_1(RX,RY,IMM) lsr RX, RY, IMM ; >> +# define SHIFT_2(RX,RY,IMM) asl RX, RY, IMM ; << +# define MERGE_1(RX,RY,IMM) asl RX, RY, IMM ; << +# define MERGE_2(RX,RY,IMM) asl RX, RY, IMM ; << +# define EXTRACT_1(RX,RY,IMM) lsr RX, RY, IMM +# define EXTRACT_2(RX,RY,IMM) lsr RX, RY, 0x08 +#endif + +#ifdef __LL64__ +# define PREFETCH_READ(RX) prefetch [RX, 56] +# define PREFETCH_WRITE(RX) prefetchw [RX, 64] +# define LOADX(DST,RX) ldd.ab DST, [RX, 8] +# define STOREX(SRC,RX) std.ab SRC, [RX, 8] +# define ZOLSHFT 5 +# define ZOLAND 0x1F +#else +# define PREFETCH_READ(RX) prefetch [RX, 28] +# define PREFETCH_WRITE(RX) prefetchw [RX, 32] +# define LOADX(DST,RX) ld.ab DST, [RX, 4] +# define STOREX(SRC,RX) st.ab SRC, [RX, 4] +# define ZOLSHFT 4 +# define ZOLAND 0xF +#endif + +ENTRY (memcpy) + prefetch [r1] ; Prefetch the read location + prefetchw [r0] ; Prefetch the write location + mov.f 0, r2 +; if size is zero + jz.d [blink] + mov r3, r0 ; don't clobber ret val + +; if size <= 8 + cmp r2, 8 + bls.d @.Lsmallchunk + mov.f lp_count, r2 + + and.f r4, r0, 0x03 + rsub lp_count, r4, 4 + lpnz @.Laligndestination + ; LOOP BEGIN + ldb.ab r5, [r1,1] + sub r2, r2, 1 + stb.ab r5, [r3,1] +.Laligndestination: + +; Check the alignment of the source + and.f r4, r1, 0x03 + bnz.d @.Lsourceunaligned + +; CASE 0: Both source and destination are 32bit aligned +; Convert len to Dwords, unfold x4 + lsr.f lp_count, r2, ZOLSHFT + lpnz @.Lcopy32_64bytes + ; LOOP START + LOADX (r6, r1) + PREFETCH_READ (r1) + PREFETCH_WRITE (r3) + LOADX (r8, r1) + LOADX (r10, r1) + LOADX (r4, r1) + STOREX (r6, r3) + STOREX (r8, r3) + STOREX (r10, r3) + STOREX (r4, r3) +.Lcopy32_64bytes: + + and.f lp_count, r2, ZOLAND ;Last remaining 31 bytes +.Lsmallchunk: + lpnz @.Lcopyremainingbytes + ; LOOP START + ldb.ab r5, [r1,1] + stb.ab r5, [r3,1] +.Lcopyremainingbytes: + + j [blink] +; END CASE 0 + +.Lsourceunaligned: + cmp r4, 2 + beq.d @.LunalignedOffby2 + sub r2, r2, 1 + + bhi.d @.LunalignedOffby3 + ldb.ab r5, [r1, 1] + +; CASE 1: The source is unaligned, off by 1 + ; Hence I need to read 1 byte for a 16bit alignment + ; and 2bytes to reach 32bit alignment + ldh.ab r6, [r1, 2] + sub r2, r2, 2 + ; Convert to words, unfold x2 + lsr.f lp_count, r2, 3 + MERGE_1 (r6, r6, 8) + MERGE_2 (r5, r5, 24) + or r5, r5, r6 + + ; Both src and dst are aligned + lpnz @.Lcopy8bytes_1 + ; LOOP START + ld.ab r6, [r1, 4] + prefetch [r1, 28] ;Prefetch the next read location + ld.ab r8, [r1,4] + prefetchw [r3, 32] ;Prefetch the next write location + + SHIFT_1 (r7, r6, 24) + or r7, r7, r5 + SHIFT_2 (r5, r6, 8) + + SHIFT_1 (r9, r8, 24) + or r9, r9, r5 + SHIFT_2 (r5, r8, 8) + + st.ab r7, [r3, 4] + st.ab r9, [r3, 4] +.Lcopy8bytes_1: + + ; Write back the remaining 16bits + EXTRACT_1 (r6, r5, 16) + sth.ab r6, [r3, 2] + ; Write back the remaining 8bits + EXTRACT_2 (r5, r5, 16) + stb.ab r5, [r3, 1] + + and.f lp_count, r2, 0x07 ;Last 8bytes + lpnz @.Lcopybytewise_1 + ; LOOP START + ldb.ab r6, [r1,1] + stb.ab r6, [r3,1] +.Lcopybytewise_1: + j [blink] + +.LunalignedOffby2: +; CASE 2: The source is unaligned, off by 2 + ldh.ab r5, [r1, 2] + sub r2, r2, 1 + + ; Both src and dst are aligned + ; Convert to words, unfold x2 + lsr.f lp_count, r2, 3 +#ifdef __BIG_ENDIAN__ + asl.nz r5, r5, 16 +#endif + lpnz @.Lcopy8bytes_2 + ; LOOP START + ld.ab r6, [r1, 4] + prefetch [r1, 28] ;Prefetch the next read location + ld.ab r8, [r1,4] + prefetchw [r3, 32] ;Prefetch the next write location + + SHIFT_1 (r7, r6, 16) + or r7, r7, r5 + SHIFT_2 (r5, r6, 16) + + SHIFT_1 (r9, r8, 16) + or r9, r9, r5 + SHIFT_2 (r5, r8, 16) + + st.ab r7, [r3, 4] + st.ab r9, [r3, 4] +.Lcopy8bytes_2: + +#ifdef __BIG_ENDIAN__ + lsr.nz r5, r5, 16 +#endif + sth.ab r5, [r3, 2] + + and.f lp_count, r2, 0x07 ;Last 8bytes + lpnz @.Lcopybytewise_2 + ; LOOP START + ldb.ab r6, [r1,1] + stb.ab r6, [r3,1] +.Lcopybytewise_2: + j [blink] + +.LunalignedOffby3: +; CASE 3: The source is unaligned, off by 3 +; Hence, I need to read 1byte for achieve the 32bit alignment + + ; Both src and dst are aligned + ; Convert to words, unfold x2 + lsr.f lp_count, r2, 3 +#ifdef __BIG_ENDIAN__ + asl.ne r5, r5, 24 +#endif + lpnz @.Lcopy8bytes_3 + ; LOOP START + ld.ab r6, [r1, 4] + prefetch [r1, 28] ;Prefetch the next read location + ld.ab r8, [r1,4] + prefetchw [r3, 32] ;Prefetch the next write location + + SHIFT_1 (r7, r6, 8) + or r7, r7, r5 + SHIFT_2 (r5, r6, 24) + + SHIFT_1 (r9, r8, 8) + or r9, r9, r5 + SHIFT_2 (r5, r8, 24) + + st.ab r7, [r3, 4] + st.ab r9, [r3, 4] +.Lcopy8bytes_3: + +#ifdef __BIG_ENDIAN__ + lsr.nz r5, r5, 24 +#endif + stb.ab r5, [r3, 1] + + and.f lp_count, r2, 0x07 ;Last 8bytes + lpnz @.Lcopybytewise_3 + ; LOOP START + ldb.ab r6, [r1,1] + stb.ab r6, [r3,1] +.Lcopybytewise_3: + j [blink] + +ENDFUNC (memcpy) +#endif /* __HS__ */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/memcpy-bs.S b/newlib/libc/machine/arc/memcpy-bs.S new file mode 100644 index 000000000..82580944f --- /dev/null +++ b/newlib/libc/machine/arc/memcpy-bs.S @@ -0,0 +1,103 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/memcpy.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#if !defined (__ARC601__) && !defined (__HS__) && defined (__Xbarrel_shifter) +/* Mostly optimized for ARC700, but not bad for ARC600 either. */ +/* This memcpy implementation does not support objects of 1GB or larger - + the check for alignment does not work then. */ +/* We assume that most sources and destinations are aligned, and + that also lengths are mostly a multiple of four, although to a lesser + extent. */ +ENTRY (memcpy) + or r3,r0,r1 + asl_s r3,r3,30 + mov_s r5,r0 + brls.d r2,r3,.Lcopy_bytewise + sub.f r3,r2,1 + ld_s r12,[r1,0] + asr.f lp_count,r3,3 + bbit0.d r3,2,.Lnox4 + bmsk_s r2,r2,1 + st.ab r12,[r5,4] + ld.a r12,[r1,4] +.Lnox4: + lppnz .Lendloop + ld_s r3,[r1,4] + st.ab r12,[r5,4] + ld.a r12,[r1,8] + st.ab r3,[r5,4] +.Lendloop: + breq_l r2,0,.Last_store + ld r3,[r5,0] +#ifdef __LITTLE_ENDIAN__ + add3 r2,-1,r2 + ; uses long immediate + xor_s r12,r12,r3 + bmsk r12,r12,r2 + xor_s r12,r12,r3 +#else /* BIG ENDIAN */ + sub3 r2,31,r2 + ; uses long immediate + xor_s r3,r3,r12 + bmsk r3,r3,r2 + xor_s r12,r12,r3 +#endif /* ENDIAN */ +.Last_store: + j_s.d [blink] + st r12,[r5,0] + + .balign 4 +.Lcopy_bytewise: + jcs [blink] + ldb_s r12,[r1,0] + lsr.f lp_count,r3 + bcc_s .Lnox1 + stb.ab r12,[r5,1] + ldb.a r12,[r1,1] +.Lnox1: + lppnz .Lendbloop + ldb_s r3,[r1,1] + stb.ab r12,[r5,1] + ldb.a r12,[r1,2] + stb.ab r3,[r5,1] +.Lendbloop: + j_s.d [blink] + stb r12,[r5,0] +ENDFUNC (memcpy) +#endif /* !__ARC601__ && !__HS__ && __Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/memcpy-stub.c b/newlib/libc/machine/arc/memcpy-stub.c new file mode 100644 index 000000000..cc46c2d08 --- /dev/null +++ b/newlib/libc/machine/arc/memcpy-stub.c @@ -0,0 +1,36 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + + +#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED) +# include "../../string/memcpy.c" +#else +/* See memcpy-*.S. */ +#endif diff --git a/newlib/libc/machine/arc/memcpy.S b/newlib/libc/machine/arc/memcpy.S new file mode 100644 index 000000000..e49fa0cb7 --- /dev/null +++ b/newlib/libc/machine/arc/memcpy.S @@ -0,0 +1,109 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/memcpy.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#if defined (__ARC601__) || (!defined (__Xbarrel_shifter) && !defined (__HS__)) +/* Adapted from memcpy-bs.S. */ +/* We assume that most sources and destinations are aligned, and + that also lengths are mostly a multiple of four, although to a lesser + extent. */ +ENTRY (memcpy) + or r3,r0,r1 + bmsk.f 0,r3,1 + breq_s r2,0,.Lnil + mov_s r5,r0 + bne.d .Lcopy_bytewise + add r6,r0,r2 + sub_s r3,r2,1 + ld_s r12,[r1,0] + bbit0.d r3,2,.Lnox4 + sub r6,r6,8 + st.ab r12,[r5,4] + ld.a r12,[r1,4] +.Lnox4: + brlo r2,9,.Lendloop +.Lnox4a: + ld_s r3,[r1,4] + st.ab r12,[r5,8] + ld.a r12,[r1,8] + brlo.d r5,r6,.Lnox4a + st r3,[r5,-4] +.Lendloop: +#ifdef __LITTLE_ENDIAN__ + ld r3,[r5,0] + add3 r2,-1,r2 + ; uses long immediate + xor_s r12,r12,r3 + bmsk r12,r12,r2 + xor_s r12,r12,r3 +#else /* BIG ENDIAN */ + bmsk_s r2,r2,1 + breq_s r2,0,.Last_store + ld r3,[r5,0] + sub3 r2,31,r2 + ; uses long immediate + xor_s r3,r3,r12 + bmsk r3,r3,r2 + xor_s r12,r12,r3 +#endif /* ENDIAN */ +.Last_store: + j_s.d [blink] + st r12,[r5,0] + +.Lnil: + j_s [blink] + .balign 4 +.Lcopy_bytewise: + ldb_s r12,[r1,0] + bbit1.d r2,0,.Lnox1 + sub r6,r6,2 + stb.ab r12,[r5,1] + ldb.a r12,[r1,1] +.Lnox1: + brlo r2,3,.Lendbloop +.Lnox1a: + ldb_s r3,[r1,1] + stb.ab r12,[r5,2] + ldb.a r12,[r1,2] + brlo.d r5,r6,.Lnox1a + stb r3,[r5,-1] +.Lendbloop: + j_s.d [blink] + stb r12,[r5,0] +ENDFUNC (memcpy) +#endif /* __ARC601__ || (!__Xbarrel_shifter && !__HS__) */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/memset-archs.S b/newlib/libc/machine/arc/memset-archs.S new file mode 100644 index 000000000..2d1ee4b29 --- /dev/null +++ b/newlib/libc/machine/arc/memset-archs.S @@ -0,0 +1,146 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/memset.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#ifdef __HS__ + +#ifdef USE_PREFETCH +#define PREWRITE(A,B) prefetchw [(A),(B)] +#else +#define PREWRITE(A,B) prealloc [(A),(B)] +#endif + +ENTRY (memset) + prefetchw [r0] ; Prefetch the write location + mov.f 0, r2 +; if size is zero + jz.d [blink] + mov r3, r0 ; don't clobber ret val + +; if length < 8 + brls.d.nt r2, 8, .Lsmallchunk + mov.f lp_count,r2 + + and.f r4, r0, 0x03 + rsub lp_count, r4, 4 + lpnz @.Laligndestination + ; LOOP BEGIN + stb.ab r1, [r3,1] + sub r2, r2, 1 +.Laligndestination: + +; Destination is aligned + and r1, r1, 0xFF + asl r4, r1, 8 + or r4, r4, r1 + asl r5, r4, 16 + or r5, r5, r4 + mov r4, r5 + + sub3 lp_count, r2, 8 + cmp r2, 64 + bmsk.hi r2, r2, 5 + mov.ls lp_count, 0 + add3.hi r2, r2, 8 + +; Convert len to Dwords, unfold x8 + lsr.f lp_count, lp_count, 6 + lpnz @.Lset64bytes + ; LOOP START + PREWRITE (r3, 64) ;Prefetch the next write location +#ifdef __LL64__ + std.ab r4, [r3, 8] + std.ab r4, [r3, 8] + std.ab r4, [r3, 8] + std.ab r4, [r3, 8] + std.ab r4, [r3, 8] + std.ab r4, [r3, 8] + std.ab r4, [r3, 8] + std.ab r4, [r3, 8] +#else + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] +#endif +.Lset64bytes: + + lsr.f lp_count, r2, 5 ;Last remaining max 124 bytes + lpnz .Lset32bytes + ; LOOP START + prefetchw [r3, 32] ;Prefetch the next write location +#ifdef __LL64__ + std.ab r4, [r3, 8] + std.ab r4, [r3, 8] + std.ab r4, [r3, 8] + std.ab r4, [r3, 8] +#else + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] +#endif +.Lset32bytes: + + and.f lp_count, r2, 0x1F ;Last remaining 31 bytes +.Lsmallchunk: + lpnz .Lcopy3bytes + ; LOOP START + stb.ab r1, [r3, 1] +.Lcopy3bytes: + + j [blink] + +ENDFUNC (memset) +#endif /* __HS__ */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/memset-bs.S b/newlib/libc/machine/arc/memset-bs.S new file mode 100644 index 000000000..3c91ae38f --- /dev/null +++ b/newlib/libc/machine/arc/memset-bs.S @@ -0,0 +1,154 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/memset.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +/* ARC HS has it's own implementation of memset, yet we want this function + still to be compiled under "__dummy_memset" disguise, because strncpy + function uses __strncpy_bzero as a second entry point into memset. Would be + better to add __strncpy_bzero label to memset for ARC HS though, and even + better would be to avoid a second entry point into function. ARC HS always + has barrel-shifter, so this implementation will be always used for this + purpose. */ +#if !defined (__ARC601__) && defined (__Xbarrel_shifter) + +/* To deal with alignment/loop issues, SMALL must be at least 2. */ +#define SMALL 7 + + .global __strncpy_bzero + .hidden __strncpy_bzero +/* __strncpy_bzero provides the following interface to strncpy: + r0: return value + r2: zeroing length + r3: zeroing start address + No attempt is made here for __strncpy_memset to speed up aligned + cases, because the copying of a string presumably leaves start address + and length alignment for the zeroing randomly distributed. */ + +#ifdef __HS__ +ENTRY (__dummy_memset) +#else +ENTRY (memset) +#endif +#if !defined (__ARC700__) && !defined (__EM__) +#undef SMALL +#define SMALL 8 /* Even faster if aligned. */ + brls.d r2,SMALL,.Ltiny +#endif + mov_s r3,r0 + or r12,r0,r2 + bmsk.f r12,r12,1 + extb_s r1,r1 + asl r12,r1,8 + beq.d .Laligned + or_s r1,r1,r12 +#if defined (__ARC700__) || defined (__EM__) + brls r2,SMALL,.Ltiny +#endif +.Lnot_tiny: + add_s r12,r2,r0 + stb r1,[r12,-1] + bclr_l r12,r12,0 + stw r1,[r12,-2] + bmsk.f r12,r3,1 + add_s r2,r2,r12 + sub.ne r2,r2,4 + stb.ab r1,[r3,1] + bclr_s r3,r3,0 + stw.ab r1,[r3,2] + bclr_s r3,r3,1 +.Laligned: ; This code address should be aligned for speed. +#if defined (__ARC700__) || defined (__EM__) + asl r12,r1,16 + lsr.f lp_count,r2,2 + or_s r1,r1,r12 + lpne .Loop_end + st.ab r1,[r3,4] +.Loop_end: + j_s [blink] +#else /* !__ARC700 */ + lsr.f lp_count,r2,3 + asl r12,r1,16 + or_s r1,r1,r12 + lpne .Loop_end + st.ab r1,[r3,4] + st.ab r1,[r3,4] +.Loop_end: + jcc [blink] + j_s.d [blink] + st_s r1,[r3] +#endif /* !__ARC700 */ + +#if defined (__ARC700__) || defined (__EM__) + .balign 4 +__strncpy_bzero: + brhi.d r2,17,.Lnot_tiny + mov_l r1,0 +.Ltiny: + mov.f lp_count,r2 + lpne .Ltiny_end + stb.ab r1,[r3,1] +.Ltiny_end: + j_s [blink] +#else /* !__ARC700__ */ +#if SMALL > 8 +FIXME +#endif + .balign 4 +__strncpy_bzero: + brhi.d r2,8,.Lnot_tiny + mov_s r1,0 +.Ltiny: + sub_s r2,r2,11 + sub1 r12,pcl,r2 + j_s [r12] + stb_s r1,[r3,7] + stb_s r1,[r3,6] + stb_s r1,[r3,5] + stb_s r1,[r3,4] + stb_s r1,[r3,3] + stb_s r1,[r3,2] + stb_s r1,[r3,1] + stb_s r1,[r3] + j_s [blink] +#endif /* !__ARC700 */ +#ifdef __HS__ +ENDFUNC (__dummy_memset) +#else +ENDFUNC (memset) +#endif +#endif /* !__ARC601__ && __Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/memset-stub.c b/newlib/libc/machine/arc/memset-stub.c new file mode 100644 index 000000000..981ca1f30 --- /dev/null +++ b/newlib/libc/machine/arc/memset-stub.c @@ -0,0 +1,36 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + + +#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED) +# include "../../string/memset.c" +#else +/* See memset-*.S. */ +#endif diff --git a/newlib/libc/machine/arc/memset.S b/newlib/libc/machine/arc/memset.S new file mode 100644 index 000000000..df15b9d70 --- /dev/null +++ b/newlib/libc/machine/arc/memset.S @@ -0,0 +1,109 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/memset.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#if defined (__ARC601__) || (!defined (__Xbarrel_shifter) && !defined (__HS__)) + +/* To deal with alignment/loop issues, SMALL must be at least 2. */ +#define SMALL 8 /* Even faster if aligned. */ + + .global __strncpy_bzero + .hidden __strncpy_bzero +/* __strncpy_bzero provides the following interface to strncpy: + r0: return value + r2: zeroing length + r3: zeroing start address + No attempt is made here for __strncpy_memset to speed up aligned + cases, because the copying of a string presumably leaves start address + and length alignment for the zeroing randomly distributed. */ + +ENTRY (memset) + brls.d r2,SMALL,.Ltiny + mov_s r3,r0 + or r12,r0,r2 + bmsk.f r12,r12,1 + breq_s r1,0,.Lbzero + mov r4,0 + stb.a r1,[sp,-4] + stb r1,[sp,1] + stb r1,[sp,2] + stb r1,[sp,3] + ld.ab r1,[sp,4] +.Lbzero: + beq.d .Laligned +.Lbzero2: + add r6,r2,r3 +.Lnot_tiny: + stb r1,[r6,-1] + bclr r12,r6,0 + stw r1,[r12,-2] + stb.ab r1,[r3,1] + bclr_s r3,r3,0 + stw.ab r1,[r3,2] + bclr_s r3,r3,1 +.Laligned: ; This code address should be aligned for speed. + sub r6,r6,8 + brlo.d r6,r3,.Loop_end + sub r6,r6,8 +3: + st_l r1,[r3,4] + brhs.d r6,r3,3b + st.ab r1,[r3,8] +.Loop_end: + bic r12,r6,3 + j_s.d [blink] + st_s r1,[r12,12] + .balign 4 +__strncpy_bzero: + brhi.d r2,8,.Lbzero2 + mov_s r1,0 +.Ltiny: + sub_s r2,r2,11 + sub1 r12,pcl,r2 + j_s [r12] + stb_s r1,[r3,7] + stb_s r1,[r3,6] + stb_s r1,[r3,5] + stb_s r1,[r3,4] + stb_s r1,[r3,3] + stb_s r1,[r3,2] + stb_s r1,[r3,1] + stb_s r1,[r3] + j_s [blink] +ENDFUNC (memset) +#endif /* __ARC601__ || (!__Xbarrel_shifter && !__HS__) */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/setjmp.S b/newlib/libc/machine/arc/setjmp.S new file mode 100644 index 000000000..57db0d75d --- /dev/null +++ b/newlib/libc/machine/arc/setjmp.S @@ -0,0 +1,165 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* ABI interface file + these are the stack mappings for the registers + as stored in the ABI for ARC */ + + .file "setjmp.S" + +ABIr13 = 0 +ABIr14 = ABIr13 + 4 +ABIr15 = ABIr14 + 4 +ABIr16 = ABIr15 + 4 +ABIr17 = ABIr16 + 4 +ABIr18 = ABIr17 + 4 +ABIr19 = ABIr18 + 4 +ABIr20 = ABIr19 + 4 +ABIr21 = ABIr20 + 4 +ABIr22 = ABIr21 + 4 +ABIr23 = ABIr22 + 4 +ABIr24 = ABIr23 + 4 +ABIr25 = ABIr24 + 4 +ABIr26 = ABIr25 + 4 +ABIr27 = ABIr26 + 4 +ABIr28 = ABIr27 + 4 +ABIr29 = ABIr28 + 4 +ABIr30 = ABIr29 + 4 +ABIr31 = ABIr30 + 4 +ABIlpc = ABIr31 + 4 +ABIlps = ABIlpc + 4 +ABIlpe = ABIlps + 4 + +ABIflg = ABIlpe + 4 +ABImlo = ABIflg + 4 +ABImhi = ABImlo + 4 + + .text + .align 4 + .global setjmp + .type setjmp,@function +setjmp: + st r13, [r0, ABIr13] + st r14, [r0, ABIr14] + st r15, [r0, ABIr15] + st r16, [r0, ABIr16] + st r17, [r0, ABIr17] + st r18, [r0, ABIr18] + st r19, [r0, ABIr19] + st r20, [r0, ABIr20] + st r21, [r0, ABIr21] + st r22, [r0, ABIr22] + st r23, [r0, ABIr23] + st r24, [r0, ABIr24] + st r25, [r0, ABIr25] + st r26, [r0, ABIr26] + st r27, [r0, ABIr27] + st r28, [r0, ABIr28] + st r29, [r0, ABIr29] + st r30, [r0, ABIr30] + st blink, [r0, ABIr31] + st lp_count, [r0, ABIlpc] + + lr r2, [lp_start] + lr r3, [lp_end] + st r2, [r0, ABIlps] + st r3, [r0, ABIlpe] + +#if (!defined (__A7__) && !defined (__EM__) && !defined (__HS__)) +; Till the configure changes are decided, and implemented, the code working on +; mlo/mhi and using mul64 should be disabled. +; st mlo, [r0, ABImlo] +; st mhi, [r0, ABImhi] + lr r2, [status32] + st r2, [r0, ABIflg] +#endif + + j.d [blink] + mov r0,0 +.Lfe1: + .size setjmp,.Lfe1-setjmp + + .align 4 + .global longjmp + .type longjmp,@function +longjmp: + + ; load registers + ld r13, [r0, ABIr13] + ld r14, [r0, ABIr14] + ld r15, [r0, ABIr15] + ld r16, [r0, ABIr16] + ld r17, [r0, ABIr17] + ld r18, [r0, ABIr18] + ld r19, [r0, ABIr19] + ld r20, [r0, ABIr20] + ld r21, [r0, ABIr21] + ld r22, [r0, ABIr22] + ld r23, [r0, ABIr23] + ld r24, [r0, ABIr24] + ld r25, [r0, ABIr25] + ld r26, [r0, ABIr26] + ld r27, [r0, ABIr27] + ld r28, [r0, ABIr28] + + ld r3, [r0, ABIr29] + mov r29, r3 + + ld r3, [r0, ABIr30] + mov r30, r3 + + ld blink, [r0, ABIr31] + + ld r3, [r0, ABIlpc] + mov lp_count, r3 + + ld r2, [r0, ABIlps] + ld r3, [r0, ABIlpe] + sr r2, [lp_start] + sr r3, [lp_end] + +#if (!defined (__A7__) && !defined (__EM__) && !defined (__HS__)) + ld r2, [r0, ABImlo] + ld r3, [r0, ABImhi] +; We do not support restoring of mulhi and mlo registers, yet. + +; mulu64 0,r2,1 ; restores mlo +; mov 0,mlo ; force multiply to finish +; sr r3, [mulhi] + ld r2, [r0, ABIflg] + flag r2 ; restore "status32" register +#endif + + mov.f r1, r1 ; to avoid return 0 from longjmp + mov.eq r1, 1 + j.d [blink] + mov r0,r1 +.Lfe2: + .size longjmp,.Lfe2-longjmp diff --git a/newlib/libc/machine/arc/strchr-bs-norm.S b/newlib/libc/machine/arc/strchr-bs-norm.S new file mode 100644 index 000000000..295354781 --- /dev/null +++ b/newlib/libc/machine/arc/strchr-bs-norm.S @@ -0,0 +1,165 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strchr.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +/* ARC700 has a relatively long pipeline and branch prediction, so we want + to avoid branches that are hard to predict. On the other hand, the + presence of the norm instruction makes it easier to operate on whole + words branch-free. */ +#include "asm.h" + +#if (defined (__ARC700__) || defined (__EM__) || defined (__HS__)) \ + && defined (__ARC_NORM__) && defined (__Xbarrel_shifter) + +ENTRY (strchr) + extb_s r1,r1 + asl r5,r1,8 + bmsk r2,r0,1 + or r5,r5,r1 + mov_s r3,0x01010101 + breq.d r2,r0,.Laligned + asl r4,r5,16 + sub_s r0,r0,r2 + asl r7,r2,3 + ld_s r2,[r0] +#ifdef __LITTLE_ENDIAN__ + asl r7,r3,r7 +#else + lsr r7,r3,r7 +#endif + or r5,r5,r4 + ror r4,r3 + sub r12,r2,r7 + bic_s r12,r12,r2 + and r12,r12,r4 + brne.d r12,0,.Lfound0_ua + xor r6,r2,r5 + ld.a r2,[r0,4] + sub r12,r6,r7 + bic r12,r12,r6 +#ifdef __LITTLE_ENDIAN__ + and r7,r12,r4 + breq r7,0,.Loop ; For speed, we want this branch to be unaligned. + b_l .Lfound_char ; Likewise this one. +#else + and r12,r12,r4 + breq_l r12,0,.Loop ; For speed, we want this branch to be unaligned. + lsr_s r12,r12,7 + bic r2,r7,r6 + b.d .Lfound_char_b + and_s r2,r2,r12 +#endif +; /* We require this code address to be unaligned for speed... */ +.Laligned: + ld_s r2,[r0] + or r5,r5,r4 + ror r4,r3 +; /* ... so that this code address is aligned, for itself and ... */ +.Loop: + sub r12,r2,r3 + bic_s r12,r12,r2 + and r12,r12,r4 + brne.d r12,0,.Lfound0 + xor r6,r2,r5 + ld.a r2,[r0,4] + sub r12,r6,r3 + bic r12,r12,r6 + and r7,r12,r4 + breq r7,0,.Loop /* ... so that this branch is unaligned. */ + ; Found searched-for character. r0 has already advanced to next word. +#ifdef __LITTLE_ENDIAN__ +/* We only need the information about the first matching byte + (i.e. the least significant matching byte) to be exact, + hence there is no problem with carry effects. */ +.Lfound_char: + sub r3,r7,1 + bic r3,r3,r7 + norm r2,r3 + sub_s r0,r0,1 + asr_s r2,r2,3 + j_l.d [blink] + sub_s r0,r0,r2 + + .balign 4 +.Lfound0_ua: + mov_l r3,r7 +.Lfound0: + sub r3,r6,r3 + bic r3,r3,r6 + and r2,r3,r4 + or_s r12,r12,r2 + sub_s r3,r12,1 + bic_s r3,r3,r12 + norm r3,r3 + add_s r0,r0,3 + asr_s r12,r3,3 + asl.f 0,r2,r3 + sub_s r0,r0,r12 + j_s.d [blink] + mov.pl r0,0 +#else /* BIG ENDIAN */ +.Lfound_char: + lsr r7,r7,7 + + bic r2,r7,r6 +.Lfound_char_b: + norm r2,r2 + sub_s r0,r0,4 + asr_s r2,r2,3 + j_l.d [blink] + add_s r0,r0,r2 + +.Lfound0_ua: + mov_s r3,r7 +.Lfound0: + asl_s r2,r2,7 + or r7,r6,r4 + bic_s r12,r12,r2 + sub r2,r7,r3 + or r2,r2,r6 + bic r12,r2,r12 + bic.f r3,r4,r12 + norm r3,r3 + + add.pl r3,r3,1 + asr_s r12,r3,3 + asl.f 0,r2,r3 + add_s r0,r0,r12 + j_s.d [blink] + mov.mi r0,0 +#endif /* ENDIAN */ +ENDFUNC (strchr) +#endif /* (__ARC700__ || __EM__ || __HS__) && __ARC_NORM__ && __Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strchr-bs.S b/newlib/libc/machine/arc/strchr-bs.S new file mode 100644 index 000000000..47090dd24 --- /dev/null +++ b/newlib/libc/machine/arc/strchr-bs.S @@ -0,0 +1,200 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strchr.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +/* In order to search for a zero in a W, we calculate + X := (W - 0x01010101) & ~W & 0x80808080; + In the little endian case: + If no byte in W is zero, X will be zero; otherwise, the least significant + byte of X which is nonzero indicates the least significant byte of W that + is zero. + In the big endian case: + X will be zero iff no byte in W is zero. + If X is nonzero, to find out which is the most significant zero byte + in W, we calculate: + Y := ~(((W | 0x80808080) - 0x01010101) | W) & 0x80808080; + Each byte in Y is 0x80 if the the corresponding byte in + W is zero, otherwise that byte of Y is 0. */ + +#if defined (__Xbarrel_shifter) && \ + (defined (__ARC600__) || (!defined (__ARC_NORM__) && !defined (__ARC601__))) +ENTRY (strchr) + bmsk.f r2,r0,1 + mov_s r3,0x01010101 + extb_s r1,r1 + asl r5,r1,8 + or r5,r5,r1 + beq.d .Laligned + asl r4,r5,16 + sub_s r0,r0,r2 + asl_s r2,r2,3 +#ifdef __LITTLE_ENDIAN__ + asl r7,r3,r2 +#else + lsr r7,r3,r2 +#endif + ld_s r2,[r0] + or r5,r5,r4 + ror r4,r3 + sub r12,r2,r7 + bic_s r12,r12,r2 + and r12,r12,r4 + + brne.d r12,0,.Lfound0_ua + xor r6,r2,r5 + ld.a r2,[r0,4] + sub r12,r6,r7 + bic r12,r12,r6 +#ifdef __LITTLE_ENDIAN__ + and.f r7,r12,r4 + sub r12,r2,r3 + bic_s r12,r12,r2 + beq.d .Loop + and r12,r12,r4 + b.d .Lfound_char_ua + btst r7,7 +#else + and.f r8,r12,r4 + sub r12,r2,r3 + bic_s r12,r12,r2 + beq.d .Loop + and r12,r12,r4 + bic r12,r7,r6 + asl_s r12,r12,7 + and.f r2,r8,r12 + b.d .Lfound_char_ua + sub_s r0,r0,4 +#endif + + .balign 4 +.Laligned: + ld_s r2,[r0] + or r5,r5,r4 + ror r4,r3 + sub r12,r2,r3 + bic_s r12,r12,r2 + and r12,r12,r4 +.Loop: + + brne.d r12,0,.Lfound0 + xor r6,r2,r5 + ld.a r2,[r0,4] + sub r12,r6,r3 + bic r12,r12,r6 + and.f r7,r12,r4 + sub r12,r2,r3 + bic_s r12,r12,r2 + beq.d .Loop + and r12,r12,r4 +; Found searched-for character. r0 has already advanced to next word. +#ifdef __LITTLE_ENDIAN__ +/* We only need the information about the first matching byte + (i.e. the least significant matching byte) to be exact, + hence there is no problem with carry effects. */ +.Lfound_char: + btst r7,7 +.Lfound_char_ua: + sub_s r0,r0,4 + add.eq r0,r0,1 + btst.eq r7,15 + add.eq r0,r0,1 + btst.eq r7,23 + j_s.d [blink] + add.eq r0,r0,1 + + .balign 4 +.Lfound0_ua: + mov_l r3,r7 +.Lfound0: + sub r2,r6,r3 + bic r2,r2,r6 + and r2,r2,r4 + or r3,r12,r2 + sub_s r12,r3,1 + xor_s r3,r3,r12 + tst_s r2,r3 + lsr r2,r3,31 + lsr r12,r3,16 + jeq.d [blink] + mov.eq r0,0 + lsr r3,r3,8 + sub_s r2,r2,r12 + sub_s r2,r2,r3 + bmsk_s r2,r2,1 + j_s.d [blink] + add_s r0,r0,r2 +#else /* BIG ENDIAN */ +.Lfound_char: + asl r6,r6,7 + sub_s r0,r0,4 + bic.f r2,r7,r6 +.Lfound_char_ua: + add.pl r0,r0,1 + jmi.d [blink] + btst_s r2,23 + add.eq r0,r0,1 + btst.eq r2,15 + j_s.d [blink] + add.eq r0,r0,1 + +; N.B. if we searched for a char zero and found it in the MSB, +; and ignored matches are identical, we will take the early exit +; like for an ordinary found zero - except for the extra stalls at jhi - +; but still compute the right result. +.Lfound0_ua: + mov_s r3,r7 +.Lfound0: + asl_s r2,r2,7 + or r7,r6,r4 + bic_s r12,r12,r2 + sub r2,r7,r3 + or r2,r2,r6 + bic r2,r4,r2 + cmp r12,r2 + mov.hi r0,0 + btst.ls r2,31 + jhi.d [blink] + add.eq r0,r0,1 + btst.eq r2,23 + add.eq r0,r0,1 + btst.eq r2,15 + j_s.d [blink] + add.eq r0,r0,1 +#endif /* ENDIAN */ +ENDFUNC (strchr) +#endif /* __Xbarrel_shifter && (__ARC600__ || (!__ARC_NORM__ && !__ARC601__)) */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strchr-stub.c b/newlib/libc/machine/arc/strchr-stub.c new file mode 100644 index 000000000..8d84a8255 --- /dev/null +++ b/newlib/libc/machine/arc/strchr-stub.c @@ -0,0 +1,36 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + + +#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED) +# include "../../string/strchr.c" +#else +/* See strchr-*.S. */ +#endif diff --git a/newlib/libc/machine/arc/strchr.S b/newlib/libc/machine/arc/strchr.S new file mode 100644 index 000000000..4c320a8d2 --- /dev/null +++ b/newlib/libc/machine/arc/strchr.S @@ -0,0 +1,208 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strchr.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +/* In order to search for a zero in a W, we calculate + X := (W - 0x01010101) & ~W & 0x80808080; + In the little endian case: + If no byte in W is zero, X will be zero; otherwise, the least significant + byte of X which is nonzero indicates the least significant byte of W that + is zero. + In the big endian case: + X will be zero iff no byte in W is zero. + If X is nonzero, to find out which is the most significant zero byte + in W, we calculate: + Y := ~(((W | 0x80808080) - 0x01010101) | W) & 0x80808080; + Each byte in Y is 0x80 if the the corresponding byte in + W is zero, otherwise that byte of Y is 0. */ + +#if defined (__ARC601__) || !defined (__Xbarrel_shifter) +ENTRY (strchr) + bmsk.f r2,r0,1 + mov_s r3,0x01010101 + extb_s r1,r1 + mov r8,0 + add3 r5,r8,r1 + add3 r5,r8,r5 + add2 r5,r1,r5 + add3 r4,r8,r5 + add3 r4,r8,r4 + add3 r4,r8,r4 + add3 r4,r8,r4 + beq.d .Laligned + add3 r4,r8,r4 + sub_s r0,r0,r2 +#ifdef __LITTLE_ENDIAN__ + add3.f r2,-1,r2 + bmsk r7,r3,r2 + rsub.pl r7,r7,r3 +#else + mov_s r12,31 + sub3 r2,r12,r2 + bmsk r7,r3,r2 +#endif + ld_s r2,[r0] + add1 r5,r5,r4 + ror r4,r3 + sub r12,r2,r7 + bic_s r12,r12,r2 + and r12,r12,r4 + + brne.d r12,0,.Lfound0_ua + xor r6,r2,r5 + ld.a r2,[r0,4] + sub r12,r6,r7 + bic r12,r12,r6 +#ifdef __LITTLE_ENDIAN__ + and.f r7,r12,r4 + sub r12,r2,r3 + bic_s r12,r12,r2 + beq.d .Loop + and r12,r12,r4 + b.d .Lfound_char_ua + btst r7,7 +#else + and.f r8,r12,r4 + sub r12,r2,r3 + bic_s r12,r12,r2 + beq.d .Loop + and r12,r12,r4 + bic r12,r7,r6 + bic r2,r3,r12 + sub1 r2,r3,r2 + sub_s r0,r0,4 + b.d .Lfound_char_ua + bic.f r2,r8,r2 +#endif + + .balign 4 +.Laligned: + ld_s r2,[r0] + add1 r5,r5,r4 + ror r4,r3 + sub r12,r2,r3 + bic_s r12,r12,r2 + and r12,r12,r4 +.Loop: + + brne.d r12,0,.Lfound0 + xor r6,r2,r5 + ld.a r2,[r0,4] + sub r12,r6,r3 + bic r12,r12,r6 + and.f r7,r12,r4 + sub r12,r2,r3 + bic_s r12,r12,r2 + beq.d .Loop + and r12,r12,r4 +; Found searched-for character. r0 has already advanced to next word. +#ifdef __LITTLE_ENDIAN__ +/* We only need the information about the first matching byte + (i.e. the least significant matching byte) to be exact, + hence there is no problem with carry effects. */ +.Lfound_char: + btst r7,7 +.Lfound_char_ua: + sub_s r0,r0,4 + add.eq r0,r0,1 + btst.eq r7,15 + add.eq r0,r0,1 + btst.eq r7,23 + j_s.d [blink] + add.eq r0,r0,1 + + .balign 4 +.Lfound0_ua: + mov_l r3,r7 +.Lfound0: + sub r2,r6,r3 + bic r2,r2,r6 + and r2,r2,r4 + or r3,r12,r2 + sub_s r12,r3,1 + xor_s r3,r3,r12 + cmp 0xffff,r3 + ; cmp uses limm ; ARC600 would do: asl.f 0,r3,9 + tst_s r2,r3 + mov.eq r0,0 + add.mi r0,r0,1 + btst.ne r3,15 + j_s.d [blink] + adc.ne r0,r0,1 +#else /* BIG ENDIAN */ +.Lfound_char: + and r2,r6,r3 + sub1 r2,r3,r2 + sub_s r0,r0,4 + bic.f r2,r7,r2 +.Lfound_char_ua: + add.pl r0,r0,1 + jmi.d [blink] + btst_s r2,23 + add.eq r0,r0,1 + btst.eq r2,15 + j_s.d [blink] + add.eq r0,r0,1 + +; N.B. if we searched for a char zero and found it in the MSB, +; and ignored matches are identical, we will take the early exit +; like for an ordinary found zero - except for the extra stalls at jhi - +; but still compute the right result. +.Lfound0_ua: + mov_s r3,r7 +.Lfound0: + and_s r2,r2,r3 + sub1 r2,r3,r2 + or r7,r6,r4 + bic_s r12,r12,r2 + sub r2,r7,r3 + or r2,r2,r6 + bic r2,r4,r2 + cmp_s r12,r2 + mov.hi r0,0 + btst.ls r2,31 + jhi.d [blink] + add.eq r0,r0,1 + btst.eq r2,23 + add.eq r0,r0,1 + btst.eq r2,15 + j_s.d [blink] + add.eq r0,r0,1 +#endif /* ENDIAN */ +ENDFUNC (strchr) +#endif /* __ARC601__ || !__Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strcmp-archs.S b/newlib/libc/machine/arc/strcmp-archs.S new file mode 100644 index 000000000..081afeba4 --- /dev/null +++ b/newlib/libc/machine/arc/strcmp-archs.S @@ -0,0 +1,109 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strcmp.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#ifdef __HS__ +ENTRY (strcmp) + or r2, r0, r1 + bmsk_s r2, r2, 1 + brne r2, 0, @.Lcharloop + +; s1 and s2 are word aligned + ld.ab r2, [r0, 4] + + mov_s r12, 0x01010101 + ror r11, r12 + .align 4 +.LwordLoop: + ld.ab r3, [r1, 4] + ; Detect NULL char in str1 + sub r4, r2, r12 + ld.ab r5, [r0, 4] + bic r4, r4, r2 + and r4, r4, r11 + brne.d.nt r4, 0, .LfoundNULL + ; Check if the read locations are the same + cmp r2, r3 + beq.d .LwordLoop + mov.eq r2, r5 + + ; A match is found, spot it out +#ifdef __LITTLE_ENDIAN__ + swape r3, r3 + mov_s r0, 1 + swape r2, r2 +#else + mov_s r0, 1 +#endif + cmp_s r2, r3 + j_s.d [blink] + bset.lo r0, r0, 31 + + .align 4 +.LfoundNULL: +#ifdef __BIG_ENDIAN__ + swape r4, r4 + swape r2, r2 + swape r3, r3 +#endif + ; Find null byte + ffs r0, r4 + bmsk r2, r2, r0 + bmsk r3, r3, r0 + swape r2, r2 + swape r3, r3 + ; make the return value + sub.f r0, r2, r3 + mov.hi r0, 1 + j_s.d [blink] + bset.lo r0, r0, 31 + + .align 4 +.Lcharloop: + ldb.ab r2, [r0, 1] + ldb.ab r3, [r1, 1] + nop + breq r2, 0, .Lcmpend + breq r2, r3, .Lcharloop + + .align 4 +.Lcmpend: + j_s.d [blink] + sub r0, r2, r3 +ENDFUNC (strcmp) +#endif /* __HS__ */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strcmp-stub.c b/newlib/libc/machine/arc/strcmp-stub.c new file mode 100644 index 000000000..19528e333 --- /dev/null +++ b/newlib/libc/machine/arc/strcmp-stub.c @@ -0,0 +1,36 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + + +#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED) +# include "../../string/strcmp.c" +#else +/* See strcmp-*.S. */ +#endif diff --git a/newlib/libc/machine/arc/strcmp.S b/newlib/libc/machine/arc/strcmp.S new file mode 100644 index 000000000..2e5e53892 --- /dev/null +++ b/newlib/libc/machine/arc/strcmp.S @@ -0,0 +1,133 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strcmp.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +/* This is optimized primarily for the ARC700. + It would be possible to speed up the loops by one cycle / word + respective one cycle / byte by forcing double source 1 alignment, unrolling + by a factor of two, and speculatively loading the second word / byte of + source 1; however, that would increase the overhead for loop setup / finish, + and strcmp might often terminate early. */ +#ifndef __HS__ + +ENTRY (strcmp) + or r2,r0,r1 + bmsk_s r2,r2,1 + brne_l r2,0,.Lcharloop + mov_s r12,0x01010101 + ror r5,r12 +.Lwordloop: + ld.ab r2,[r0,4] + ld.ab r3,[r1,4] + nop_s + sub r4,r2,r12 + bic r4,r4,r2 + and r4,r4,r5 + brne_l r4,0,.Lfound0 + breq r2,r3,.Lwordloop +#ifdef __LITTLE_ENDIAN__ + xor r0,r2,r3 ; mask for difference + sub_s r1,r0,1 + bic_s r0,r0,r1 ; mask for least significant difference bit + sub r1,r5,r0 + xor r0,r5,r1 ; mask for least significant difference byte + and_s r2,r2,r0 + and_s r3,r3,r0 +#endif /* LITTLE ENDIAN */ + cmp_s r2,r3 + mov_s r0,1 + j_s.d [blink] + bset.lo r0,r0,31 + + .balign 4 +#ifdef __LITTLE_ENDIAN__ +.Lfound0: + xor r0,r2,r3 ; mask for difference + or r0,r0,r4 ; or in zero indicator + sub_s r1,r0,1 + bic_s r0,r0,r1 ; mask for least significant difference bit + sub r1,r5,r0 + xor r0,r5,r1 ; mask for least significant difference byte + and_s r2,r2,r0 + and_s r3,r3,r0 + sub.f r0,r2,r3 + mov.hi r0,1 + j_s.d [blink] + bset.lo r0,r0,31 +#else /* BIG ENDIAN */ + /* The zero-detection above can mis-detect 0x01 bytes as zeroes + because of carry-propagateion from a lower significant zero byte. + We can compensate for this by checking that bit0 is zero. + This compensation is not necessary in the step where we + get a low estimate for r2, because in any affected bytes + we already have 0x00 or 0x01, which will remain unchanged + when bit 7 is cleared. */ + .balign 4 +.Lfound0: +#ifndef __ARC601__ + lsr r0,r4,8 + lsr_s r1,r2 + bic_s r2,r2,r0 ; get low estimate for r2 and get ... + bic_s r0,r0,r1 ; + or_s r3,r3,r0 ; ... high estimate r3 so that r2 > r3 will ... + cmp_s r3,r2 ; ... be independent of trailing garbage + or_s r2,r2,r0 ; likewise for r3 > r2 + bic_s r3,r3,r0 + rlc r0,0 ; r0 := r2 > r3 ? 1 : 0 + cmp_s r2,r3 + j_s.d [blink] + bset.lo r0,r0,31 +#else /* __ARC601__ */ + /* Fall through to .Lcharloop. */ + sub_s r0,r0,4 + sub_s r1,r1,4 +#endif /* __ARC601__ */ +#endif /* ENDIAN */ + + .balign 4 +.Lcharloop: + ldb.ab r2,[r0,1] + ldb.ab r3,[r1,1] + nop_s + breq_l r2,0,.Lcmpend + breq r2,r3,.Lcharloop +.Lcmpend: + j_s.d [blink] + sub r0,r2,r3 +ENDFUNC (strcmp) +#endif /* !__HS__ */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strcpy-bs-arc600.S b/newlib/libc/machine/arc/strcpy-bs-arc600.S new file mode 100644 index 000000000..7b9e3fdc8 --- /dev/null +++ b/newlib/libc/machine/arc/strcpy-bs-arc600.S @@ -0,0 +1,120 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strcpy.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#if defined (__ARC600__) && defined (__Xbarrel_shifter) +/* If dst and src are 4 byte aligned, copy 8 bytes at a time. + If the src is 4, but not 8 byte aligned, we first read 4 bytes to get + it 8 byte aligned. Thus, we can do a little read-ahead, without + dereferencing a cache line that we should not touch. + Note that short and long instructions have been scheduled to avoid + branch stalls. + This version is optimized for the ARC600 pipeline. */ + +ENTRY (strcpy) + or r2,r0,r1 + bmsk.f 0,r2,1 + mov r8,0x01010101 + bne.d .Lcharloop + mov_s r10,r0 + ld_l r3,[r1,0] + bbit0.d r1,2,.Loop_setup + ror r12,r8 + sub r2,r3,r8 + bic_s r2,r2,r3 + and_s r2,r2,r12 + brne_s r2,0,.Lr3z + st.ab r3,[r10,4] + ld.a r3,[r1,4] +.Loop_setup: + ld.a r4,[r1,4] + + sub r2,r3,r8 + and.f r2,r2,r12 + sub r5,r4,r8 + and.eq.f r5,r5,r12 + b.d .Loop_start + mov_s r6,r3 + .balign 4 +.Loop: + ld.a r3,[r1,4] + st r4,[r10,4] + ld.a r4,[r1,4] + sub r2,r3,r8 + and.f r2,r2,r12 + sub r5,r4,r8 + and.eq.f r5,r5,r12 + st.ab r6,[r10,8] + mov r6,r3 +.Loop_start: + beq.d .Loop + bic_s r2,r2,r3 + brne.d r2,0,.Lr3z + and r5,r5,r12 + bic r5,r5,r4 + breq.d r5,0,.Loop + mov_s r3,r4 + st.ab r6,[r10,4] +#ifdef __LITTLE_ENDIAN__ +.Lr3z: bmsk.f r1,r3,7 +.Lr3z_loop: + lsr_s r3,r3,8 + stb.ab r1,[r10,1] + bne.d .Lr3z_loop + bmsk.f r1,r3,7 + j_s [blink] +#else +.Lr3z: lsr.f r1,r3,24 +.Lr3z_loop: + asl_s r3,r3,8 + stb.ab r1,[r10,1] + bne.d .Lr3z_loop + lsr.f r1,r3,24 + j_s [blink] +#endif + + .balign 4 +.Lcharloop: + ldb.ab r3,[r1,1] + + + brne.d r3,0,.Lcharloop + stb.ab r3,[r10,1] + j [blink] +ENDFUNC (strcpy) +#endif /* __ARC600__ && __Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strcpy-bs.S b/newlib/libc/machine/arc/strcpy-bs.S new file mode 100644 index 000000000..2856d8c98 --- /dev/null +++ b/newlib/libc/machine/arc/strcpy-bs.S @@ -0,0 +1,103 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strcpy.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#if (defined (__ARC700__) || defined (__EM__) || defined (__HS__)) \ + && defined (__Xbarrel_shifter) + +/* If dst and src are 4 byte aligned, copy 8 bytes at a time. + If the src is 4, but not 8 byte aligned, we first read 4 bytes to get + it 8 byte aligned. Thus, we can do a little read-ahead, without + dereferencing a cache line that we should not touch. + Note that short and long instructions have been scheduled to avoid + branch stalls. + The beq_s to r3z could be made unaligned & long to avoid a stall + there, but the it is not likely to be taken often, and it + would also be likey to cost an unaligned mispredict at the next call. */ + +ENTRY (strcpy) + or r2,r0,r1 + bmsk_s r2,r2,1 + brne.d r2,0,charloop + mov_s r10,r0 + ld_s r3,[r1,0] + mov r8,0x01010101 + bbit0.d r1,2,loop_start + ror r12,r8 + sub r2,r3,r8 + bic_s r2,r2,r3 + tst_s r2,r12 + bne_l r3z + mov_s r4,r3 + .balign 4 +loop: + ld.a r3,[r1,4] + st.ab r4,[r10,4] +loop_start: + ld.a r4,[r1,4] + sub r2,r3,r8 + bic_s r2,r2,r3 + tst_l r2,r12 + bne_l r3z + st.ab r3,[r10,4] + sub r2,r4,r8 + bic r2,r2,r4 + tst_l r2,r12 + beq_l loop + mov_s r3,r4 +#ifdef __LITTLE_ENDIAN__ +r3z: bmsk.f r1,r3,7 + lsr_s r3,r3,8 +#else +r3z: lsr.f r1,r3,24 + asl_s r3,r3,8 +#endif + bne.d r3z + stb.ab r1,[r10,1] + j_s [blink] + + .balign 4 +charloop: + ldb.ab r3,[r1,1] + + + brne.d r3,0,charloop + stb.ab r3,[r10,1] + j [blink] +ENDFUNC (strcpy) +#endif /* (__ARC700__ || __EM__ || __HS__) && __Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strcpy-stub.c b/newlib/libc/machine/arc/strcpy-stub.c new file mode 100644 index 000000000..80ea0e81d --- /dev/null +++ b/newlib/libc/machine/arc/strcpy-stub.c @@ -0,0 +1,36 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + + +#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED) +# include "../../string/strcpy.c" +#else +/* See strcpy-*.S. */ +#endif diff --git a/newlib/libc/machine/arc/strcpy.S b/newlib/libc/machine/arc/strcpy.S new file mode 100644 index 000000000..2d2630f1f --- /dev/null +++ b/newlib/libc/machine/arc/strcpy.S @@ -0,0 +1,90 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strcpy.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#if defined (__ARC601__) || !defined (__Xbarrel_shifter) +/* If dst and src are 4 byte aligned, copy 8 bytes at a time. + If the src is 4, but not 8 byte aligned, we first read 4 bytes to get + it 8 byte aligned. Thus, we can do a little read-ahead, without + dereferencing a cache line that we should not touch. + This version is a compromise between speed for the 601 pipeline and code + size. */ + +ENTRY (strcpy) + or r2,r0,r1 + bmsk.f 0,r2,1 + mov r8,0x01010101 + bne.d .Lcharloop + mov_s r10,r0 + ld_s r3,[r1] + bbit0.d r1,2,.Loop_start + ror r12,r8 + sub r2,r3,r8 + bic_s r2,r2,r3 + and_s r2,r2,r12 + brne_s r2,0,.Lr3z + mov r4,r3 + sub_s r1,r1,4 + .balign 4 +.Loop: + ld.a r3,[r1,8] + st.ab r4,[r10,4] +.Loop_start: + ld r4,[r1,4] + sub r2,r3,r8 + bic_s r2,r2,r3 + tst_s r2,r12 + sub r5,r4,r8 + bic r5,r5,r4 + bne_s .Lr3z + and r5,r5,r12 + breq.d r5,0,.Loop + st.ab r3,[r10,4] + + ;mov_s r3,r4 + add_s r1,r1,4 + + .balign 4 +.Lr3z: +.Lcharloop: + ldb.ab r3,[r1,1] + brne.d r3,0,.Lcharloop + stb.ab r3,[r10,1] + j_s [blink] +ENDFUNC (strcpy) +#endif /* __ARC601__ || !__Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strlen-bs-norm.S b/newlib/libc/machine/arc/strlen-bs-norm.S new file mode 100644 index 000000000..32312404d --- /dev/null +++ b/newlib/libc/machine/arc/strlen-bs-norm.S @@ -0,0 +1,115 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strlen.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" +#if (defined (__ARC700__) || defined (__EM__) || defined (__HS__)) \ + && defined (__ARC_NORM__) && defined (__Xbarrel_shifter) + +ENTRY (strlen) + or r3,r0,7 + ld r2,[r3,-7] + ld.a r6,[r3,-3] + mov r4,0x01010101 + ; uses long immediate +#ifdef __LITTLE_ENDIAN__ + asl_s r1,r0,3 + btst_s r0,2 + asl r7,r4,r1 + ror r5,r4 + sub r1,r2,r7 + bic_s r1,r1,r2 + mov.eq r7,r4 + sub r12,r6,r7 + bic r12,r12,r6 + or.eq r12,r12,r1 + and r12,r12,r5 + brne r12,0,.Learly_end +#else /* BIG ENDIAN */ + ror r5,r4 + btst_s r0,2 + mov_s r1,31 + sub3 r7,r1,r0 + sub r1,r2,r4 + bic_s r1,r1,r2 + bmsk r1,r1,r7 + sub r12,r6,r4 + bic r12,r12,r6 + bmsk.ne r12,r12,r7 + or.eq r12,r12,r1 + and r12,r12,r5 + brne r12,0,.Learly_end +#endif /* ENDIAN */ + +.Loop: + ld_s r2,[r3,4] + ld.a r6,[r3,8] + ; stall for load result + sub r1,r2,r4 + bic_s r1,r1,r2 + sub r12,r6,r4 + bic r12,r12,r6 + or_l r12,r12,r1 + and r12,r12,r5 + breq_l r12,0,.Loop +.Lend: + and.f r1,r1,r5 + sub.ne r3,r3,4 + mov.eq r1,r12 +#ifdef __LITTLE_ENDIAN__ + sub_s r2,r1,1 + bic_s r2,r2,r1 + norm r1,r2 + sub_s r0,r0,3 + lsr_s r1,r1,3 + sub r0,r3,r0 + j_s.d [blink] + sub_l r0,r0,r1 +#else /* BIG ENDIAN */ + lsr_s r1,r1,7 + mov.eq r2,r6 + bic_s r1,r1,r2 + norm r1,r1 + sub r0,r3,r0 + lsr_s r1,r1,3 + j_s.d [blink] + add_l r0,r0,r1 +#endif /* ENDIAN */ +.Learly_end: + b.d .Lend + sub_s.ne r1,r1,r1 +ENDFUNC (strlen) +#endif /* (__ARC700__ || __EM__ || __HS__) && __ARC_NORM__ && _Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strlen-bs.S b/newlib/libc/machine/arc/strlen-bs.S new file mode 100644 index 000000000..44b7c4c54 --- /dev/null +++ b/newlib/libc/machine/arc/strlen-bs.S @@ -0,0 +1,122 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strlen.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#if (defined (__ARC600__) || !defined (__ARC_NORM__)) && !defined (__ARC601__) \ + && defined (__Xbarrel_shifter) +/* This code is optimized for the ARC600 pipeline. */ + +ENTRY (strlen) + or r3,r0,7 + ld r2,[r3,-7] + ld.a r6,[r3,-3] + mov r4,0x01010101 + ; uses long immediate +#ifdef __LITTLE_ENDIAN__ + asl_s r1,r0,3 + btst_s r0,2 + asl r7,r4,r1 + ror r5,r4 + sub r1,r2,r7 + bic_l r1,r1,r2 + mov.eq r7,r4 + sub r12,r6,r7 + bic r12,r12,r6 + or.eq r12,r12,r1 + and r12,r12,r5 + brne r12,0,.Learly_end +#else /* BIG ENDIAN */ + ror r5,r4 + btst_s r0,2 + mov_s r1,31 + sub3 r7,r1,r0 + sub r1,r2,r4 + bic_l r1,r1,r2 + bmsk r1,r1,r7 + sub r12,r6,r4 + bic r12,r12,r6 + bmsk.ne r12,r12,r7 + or.eq r12,r12,r1 + and r12,r12,r5 + brne r12,0,.Learly_end +#endif /* ENDIAN */ + +.Loop: + ld_s r2,[r3,4] + ld.a r6,[r3,8] + ; stall for load result + sub r1,r2,r4 + bic_s r1,r1,r2 + sub r12,r6,r4 + bic r12,r12,r6 + or_s r12,r12,r1 + and r12,r12,r5 + breq_s r12,0,.Loop +.Lend: + and.f r1,r1,r5 + sub.ne r3,r3,4 +#ifdef __LITTLE_ENDIAN__ + mov.eq r1,r12 + asr.f 0,r1,8 + bmsk.f 0,r1,15 + sub r0,r3,r0 + add.cc r0,r0,1 + jne.d [blink] + asl.f 0,r1,9 + j_s.d [blink] + sbc r0,r0,-2 +#else /* BIG ENDIAN */ + mov.eq r2,r6 + asl_s r2,r2,7 + mov.eq r1,r12 + bic_s r1,r1,r2 + asr.f 0,r1,16 + sub r0,r3,r0 + add.pl r0,r0,1 + jne.d [blink] + add.eq r0,r0,1 + j_s.d [blink] + add.cc r0,r0,1 +#endif /* ENDIAN */ + + .balign 4 +.Learly_end: + b.d .Lend + sub_s.ne r1,r1,r1 +ENDFUNC (strlen) +#endif /* (__ARC600__ || !__ARC_NORM__) && !__ARC601__ && __Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strlen-stub.c b/newlib/libc/machine/arc/strlen-stub.c new file mode 100644 index 000000000..942e9be68 --- /dev/null +++ b/newlib/libc/machine/arc/strlen-stub.c @@ -0,0 +1,36 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + + +#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED) +# include "../../string/strlen.c" +#else +/* See strlen-*.S. */ +#endif diff --git a/newlib/libc/machine/arc/strlen.S b/newlib/libc/machine/arc/strlen.S new file mode 100644 index 000000000..e9825ce9b --- /dev/null +++ b/newlib/libc/machine/arc/strlen.S @@ -0,0 +1,165 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strlen.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +#if defined(__ARC601__) || !defined (__Xbarrel_shifter) +/* This code is optimized for the ARC601 pipeline without barrel shifter. */ + +ENTRY (strlen) + or r3,r0,7 + ld r2,[r3,-7] + ld.a r6,[r3,-3] + mov r4,0x01010101 + ; uses long immediate +#ifdef __LITTLE_ENDIAN__ + bmsk.f 0,r0,1 + mov_s r1,31 + add3_s r1,r1,r0 + bmsk r7,r4,r1 + xor.ne r7,r7,r4 + btst_s r0,2 + ror r5,r4 + sub r1,r2,r7 + bic_s r1,r1,r2 + mov.eq r7,r4 + sub r12,r6,r7 + bic r12,r12,r6 + or.eq r12,r12,r1 + and r12,r12,r5 + brne r12,0,.Learly_end +#else /* BIG ENDIAN */ + add.f r1,r4,30 ; r1 mod 31 := -1; clear carry + ror r5,r4 + sub3 r7,r1,r0 + btst_s r0,2 + sub r1,r2,r4 + bic_s r1,r1,r2 + bmsk r1,r1,r7 + sub r12,r6,r4 + bic r12,r12,r6 + bmsk.ne r12,r12,r7 + or.eq r12,r12,r1 + and r12,r12,r5 + brne r12,0,.Learly_end +#endif /* ENDIAN */ + +.Loop: + ld_s r2,[r3,4] + ld.a r6,[r3,8] + ; stall for load result + sub r1,r2,r4 + bic_s r1,r1,r2 + sub r12,r6,r4 + bic r12,r12,r6 + or_s r12,r12,r1 + and r12,r12,r5 + breq_s r12,0,.Loop +.Lend: + and.f r1,r1,r5 + sub.ne r3,r3,4 +#ifdef __LITTLE_ENDIAN__ + mov.eq r1,r12 + btst_s r1,7 + sub r0,r3,r0 + add.eq r0,r0,1 + bmsk.f 0,r1,15 + add.eq r0,r0,1 + bmsk.f 0,r1,23 + j_s.d [blink] + add.eq r0,r0,1 +#else /* BIG ENDIAN */ +#ifdef __OPTIMIZE_SIZE__ +1: ldb_s r1,[r3] + breq_s r1,0,0f + ldb.a r1,[r3,1] + breq_s r1,0,0f + ldb.a r1,[r3,1] + breq_s r1,0,0f + add_s r3,r3,1 +0: j_s.d [blink] + sub r0,r3,r0 + +#define SPECIAL_EARLY_END +.Learly_end: + mov_s r3,r0 + b_s 1b +#elif 0 /* Need more information about pipeline to assess if this is faster. */ + mov.eq r2,r6 + and r2,r2,r5 + sub1 r2,r4,r2 + mov.eq r1,r12 + bic.f r1,r1,r2 + sub r0,r3,r0 + add.pl r0,r0,1 + btst.pl r1,23 + add.eq r0,r0,1 + btst.eq r1,15 + j_s.d [blink] + add.eq r0,r0,1 +#else /* !__OPTIMIZE_SIZE__ */ + /* Need carry clear here. */ + mov.eq r2,r6 +1: bmsk r1,r2,23 + breq r1,r2,0f + bmsk r2,r1,15 + breq.d r1,r2,0f + add_s r3,r3,1 + cmp r2,0x100 + add_s r3,r3,2 +0: j_s.d [blink] + sbc r0,r3,r0 + +#define SPECIAL_EARLY_END +.Learly_end: + sub_s.ne r1,r1,r1 + mov_s r12,0 + bset r12,r12,r7 + sub1 r2,r2,r12 + b.d .Lend + sub1.ne r6,r6,r12 +#endif /* !__OPTIMIZE_SIZE__ */ +#endif /* ENDIAN */ + +#ifndef SPECIAL_EARLY_END + .balign 4 +.Learly_end: + b.d .Lend + sub_s.ne r1,r1,r1 +#endif /* !SPECIAL_EARLY_END */ +ENDFUNC (strlen) +#endif /* __ARC601__ || !__Xbarrel_shifter*/ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strncpy-bs.S b/newlib/libc/machine/arc/strncpy-bs.S new file mode 100644 index 000000000..c146ce060 --- /dev/null +++ b/newlib/libc/machine/arc/strncpy-bs.S @@ -0,0 +1,171 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strncpy.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +/* If dst and src are 4 byte aligned, copy 8 bytes at a time. + If the src is 4, but not 8 byte aligned, we first read 4 bytes to get + it 8 byte aligned. Thus, we can do a little read-ahead, without + dereferencing a cache line that we should not touch. + Note that short and long instructions have been scheduled to avoid + branch stalls. + The beq_s to r3z could be made unaligned & long to avoid a stall + there, but the it is not likely to be taken often, and it + would also be likey to cost an unaligned mispredict at the next call. */ + +#if !defined (__ARC601__) && defined (__Xbarrel_shifter) + +#if defined (__ARC700___) || defined (__EM__) || defined (__HS__) +#define BRand(a,b,l) tst a,b ` bne_l l +#else +#define BRand(a,b,l) and a,a,b ` brne_s a,0,l +#endif + +ENTRY (strncpy) + cmp_s r2,8 + or r12,r0,r1 + bmsk.cc.f r12,r12,1 + brne.d r12,0,.Lbytewise + mov_s r10,r0 + ld_s r3,[r1,0] + mov r8,0x01010101 + sub lp_count,r2,1 + bbit0.d r1,2,.Loop_start + ror r11,r8 + sub r12,r3,r8 + bic_l r12,r12,r3 + BRand (r12,r11,.Lr3z) + mov_s r4,r3 + ld.a r3,[r1,4] + sub lp_count,lp_count,4 + st.ab r4,[r10,4] + .balign 4 +.Loop_start: + lsr.f lp_count,lp_count,3 + lpne .Loop_end + ld.a r4,[r1,4] + sub r12,r3,r8 + bic_s r12,r12,r3 + BRand (r12,r11,.Lr3z) + st.ab r3,[r10,4] + sub r12,r4,r8 + bic r12,r12,r4 + BRand (r12,r11,.Lr4z) + ld.a r3,[r1,4] + st.ab r4,[r10,4] +.Loop_end: + bcc_s .Lastword + ld.a r4,[r1,4] + sub r12,r3,r8 + bic_s r12,r12,r3 + BRand (r12,r11,.Lr3z) + st.ab r3,[r10,4] + mov_s r3,r4 +.Lastword: + and.f lp_count,r2,3 + mov.eq lp_count,4 + lp .Last_byte_end +#ifdef __LITTLE_ENDIAN__ + bmsk.f r1,r3,7 + lsr.ne r3,r3,8 +#else + lsr.f r1,r3,24 + asl.ne r3,r3,8 +#endif + stb.ab r1,[r10,1] +.Last_byte_end: + j_s [blink] + + .balign 4 +.Lr4z: + mov_l r3,r4 +.Lr3z: +#if defined (__ARC700__) || defined (__EM__) || defined (__HS__) +#ifdef __LITTLE_ENDIAN__ + bmsk.f r1,r3,7 + lsr_s r3,r3,8 +#else + lsr.f r1,r3,24 + asl_s r3,r3,8 +#endif + bne.d .Lr3z + stb.ab r1,[r10,1] +#else /* ! __ARC700__ */ +#ifdef __LITTLE_ENDIAN__ + bmsk.f r1,r3,7 +.Lr3z_loop: + lsr_s r3,r3,8 + stb.ab r1,[r10,1] + bne.d .Lr3z_loop + bmsk.f r1,r3,7 +#else + lsr.f r1,r3,24 +.Lr3z_loop: + asl_s r3,r3,8 + stb.ab r1,[r10,1] + bne.d .Lr3z_loop + lsr.f r1,r3,24 +#endif /* ENDIAN */ +#endif /* ! __ARC700__ */ +.Lzero_rest: + ; __strncpy_bzero requires: + ; return value in r0 + ; zeroing length in r2 + ; zeroing start address in r3 + mov_s r3,r10 + add_s r2,r2,r0 + b.d __strncpy_bzero + sub_s r2,r2,r3 + + .balign 4 +.Lbytewise: + sub.f r2,r2,1 + mov_l r3,r0 + jcs [blink] +.Lcharloop: + ldb.ab r12,[r1,1] + beq.d .Last_byte + sub.f r2,r2,1 + brne.d r12,0,.Lcharloop + stb.ab r12,[r3,1] + b.d __strncpy_bzero + stb.ab r12,[r3,1] +.Last_byte: + j_s.d [blink] + stb_l r12,[r3] +ENDFUNC (strncpy) +#endif /* !__ARC601__ && __Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/arc/strncpy-stub.c b/newlib/libc/machine/arc/strncpy-stub.c new file mode 100644 index 000000000..3f8f9db37 --- /dev/null +++ b/newlib/libc/machine/arc/strncpy-stub.c @@ -0,0 +1,36 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + + +#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED) +# include "../../string/strncpy.c" +#else +/* See strncpy-*.S. */ +#endif diff --git a/newlib/libc/machine/arc/strncpy.S b/newlib/libc/machine/arc/strncpy.S new file mode 100644 index 000000000..9e2266b82 --- /dev/null +++ b/newlib/libc/machine/arc/strncpy.S @@ -0,0 +1,134 @@ +/* + Copyright (c) 2015, Synopsys, Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1) Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2) Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3) Neither the name of the Synopsys, Inc., nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* This implementation is optimized for performance. For code size a generic + implementation of this function from newlib/libc/string/strncpy.c will be + used. */ +#if !defined (__OPTIMIZE_SIZE__) && !defined (PREFER_SIZE_OVER_SPEED) + +#include "asm.h" + +/* If dst and src are 4 byte aligned, copy 8 bytes at a time. + If the src is 4, but not 8 byte aligned, we first read 4 bytes to get + it 8 byte aligned. Thus, we can do a little read-ahead, without + dereferencing a cache line that we should not touch. */ + +#if defined (__ARC601__) || !defined (__Xbarrel_shifter) + +#define BRand(a,b,l) and a,a,b ` brne_s a,0,l + +ENTRY (strncpy) + cmp_s r2,8 + or r12,r0,r1 + bmsk.cc.f r12,r12,1 + brne.d r12,0,.Lbytewise + mov_s r10,r0 + ld_s r3,[r1,0] + mov r8,0x01010101 + add r6,r0,r2 + sub r6,r6,8 + bbit0.d r1,2,.Loop_start + ror r11,r8 + sub r12,r3,r8 + bic_l r12,r12,r3 + BRand (r12,r11,.Lr3z) + mov_s r4,r3 + ld.a r3,[r1,4] + st.ab r4,[r10,4] + .balign 4 +.Loop_start: + brhs r10,r6,.Loop_end +1: + ld.a r4,[r1,4] + sub r12,r3,r8 + bic_s r12,r12,r3 + BRand (r12,r11,.Lr3z2) + st.ab r3,[r10,8] + sub r12,r4,r8 + bic r12,r12,r4 + BRand (r12,r11,.Lr4z) + ld.a r3,[r1,4] + brlo.d r10,r6,1b + st r4,[r10,-4] +.Loop_end: + add r6,r6,4 + brhs r10,r6,.Lastword + sub r12,r3,r8 + bic_s r12,r12,r3 + BRand (r12,r11,.Lr3z) + add_s r1,r1,4 + st.ab r3,[r10,4] +.Lastword: + sub_s r2,r2,1 + b.d .Lstart_charloop + bmsk.f r2,r2,1 + + .balign 4 + nop_s +.Lr3z2: sub_s r1,r1,4 +.Lr4z: +.Lr3z: + .balign 4 +.Lr3z_loop: + ldb.ab r3,[r1,1] + brne.d r3,0,.Lr3z_loop + stb.ab r3,[r10,1] + +.Lzero_rest: + ; __strncpy_bzero requires: + ; return value in r0 + ; zeroing length in r2 + ; zeroing start address in r3 + mov_s r3,r10 + add_s r2,r2,r0 + b.d __strncpy_bzero + sub_s r2,r2,r3 + + .balign 4 +.Lbytewise: + sub.f r2,r2,1 + jcs [blink] +.Lstart_charloop: + mov_s r3,r10 +.Lcharloop: + ldb.ab r12,[r1,1] + beq.d .Last_byte + sub.f r2,r2,1 + brne.d r12,0,.Lcharloop + stb.ab r12,[r3,1] + b.d __strncpy_bzero + stb.ab r12,[r3,1] +.Last_byte: + j_s.d [blink] + stb_s r12,[r3] +ENDFUNC (strncpy) +#endif /* __ARC601__ || !__Xbarrel_shifter */ + +#endif /* !__OPTIMIZE_SIZE__ && !PREFER_SIZE_OVER_SPEED */ diff --git a/newlib/libc/machine/configure b/newlib/libc/machine/configure index 29fbdf2b9..166b42ddf 100755 --- a/newlib/libc/machine/configure +++ b/newlib/libc/machine/configure @@ -786,6 +786,7 @@ CPPFLAGS CPP' ac_subdirs_all='a29k aarch64 +arc arm bfin cr16 @@ -11833,6 +11834,8 @@ if test -n "${machine_dir}"; then subdirs="$subdirs a29k" ;; aarch64) subdirs="$subdirs aarch64" + ;; + arc) subdirs="$subdirs arc" ;; arm) subdirs="$subdirs arm" ;; diff --git a/newlib/libc/machine/configure.in b/newlib/libc/machine/configure.in index 1499eab45..25dedbaf5 100644 --- a/newlib/libc/machine/configure.in +++ b/newlib/libc/machine/configure.in @@ -25,6 +25,7 @@ if test -n "${machine_dir}"; then case ${machine_dir} in a29k) AC_CONFIG_SUBDIRS(a29k) ;; aarch64) AC_CONFIG_SUBDIRS(aarch64) ;; + arc) AC_CONFIG_SUBDIRS(arc) ;; arm) AC_CONFIG_SUBDIRS(arm) ;; bfin) AC_CONFIG_SUBDIRS(bfin) ;; cr16) AC_CONFIG_SUBDIRS(cr16) ;; -- 2.43.5