+2010-02-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config.make.in (config-asflags-i686): Define.
+ * configure.in: Substitute libc_cv_as_i686.
+ * sysdeps/i386/configure.in: Check if assembler supports -mtune=i686.
+ * sysdeps/i386/i686/Makefile (CFLAGS-.oX): Add -Wa,-mtune=i686
+ if assembler supports -mtune=i686.
+ (ASFLAGS-.oX): Likewise.
+
2010-03-04 Ulrich Drepper <drepper@redhat.com>
* elf/elf.h (R_X86_64_SIZE32): Define.
config-cflags-sse4 = @libc_cv_cc_sse4@
config-cflags-avx = @libc_cv_cc_avx@
+config-asflags-i686 = @libc_cv_as_i686@
defines = @DEFINES@
sysincludes = @SYSINCLUDES@
elf
ldd_rewrite_script
use_ldconfig
+libc_cv_as_i686
libc_cv_cc_avx
libc_cv_cc_sse4
libc_cv_cpp_asm_debuginfo
+
if test $elf = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_ELF 1
AC_SUBST(libc_cv_cpp_asm_debuginfo)
AC_SUBST(libc_cv_cc_sse4)
AC_SUBST(libc_cv_cc_avx)
+AC_SUBST(libc_cv_as_i686)
AC_SUBST(use_ldconfig)
AC_SUBST(ldd_rewrite_script)
_ACEOF
fi
+
+{ $as_echo "$as_me:$LINENO: checking for assembler -mtune=i686 support" >&5
+$as_echo_n "checking for assembler -mtune=i686 support... " >&6; }
+if test "${libc_cv_as_i686+set}" = set; then
+ $as_echo_n "(cached) " >&6
+else
+ if { ac_try='${CC-cc} -Wa,-mtune=i686 -xc /dev/null -S -o /dev/null'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ libc_cv_as_i686=yes
+else
+ libc_cv_as_i686=no
+fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $libc_cv_as_i686" >&5
+$as_echo "$libc_cv_as_i686" >&6; }
if test $libc_cv_cc_sse4 = yes; then
AC_DEFINE(HAVE_SSE4_SUPPORT)
fi
+
+dnl Check if -Wa,-mtune=i686 works.
+AC_CACHE_CHECK(for assembler -mtune=i686 support, libc_cv_as_i686, [dnl
+if AC_TRY_COMMAND([${CC-cc} -Wa,-mtune=i686 -xc /dev/null -S -o /dev/null]); then
+ libc_cv_as_i686=yes
+else
+ libc_cv_as_i686=no
+fi])
ifeq ($(subdir),string)
sysdep_routines += cacheinfo
endif
+
+ifeq (yes,$(config-asflags-i686))
+CFLAGS-.o += -Wa,-mtune=i686
+CFLAGS-.os += -Wa,-mtune=i686
+CFLAGS-.op += -Wa,-mtune=i686
+CFLAGS-.og += -Wa,-mtune=i686
+CFLAGS-.ob += -Wa,-mtune=i686
+CFLAGS-.oS += -Wa,-mtune=i686
+
+ASFLAGS-.o += -Wa,-mtune=i686
+ASFLAGS-.os += -Wa,-mtune=i686
+ASFLAGS-.op += -Wa,-mtune=i686
+ASFLAGS-.og += -Wa,-mtune=i686
+ASFLAGS-.ob += -Wa,-mtune=i686
+ASFLAGS-.oS += -Wa,-mtune=i686
+endif