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GNU C Library master sources branch azanella/ifunc-c updated. glibc-2.26-593-gb86bbf3


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The branch, azanella/ifunc-c has been updated
       via  b86bbf39bc521556fec7cbb0f3677f866491ea09 (commit)
       via  9a905995fbc49d28d2ceb7ba9afa9da54644679a (commit)
      from  9e8bca9658ca1385d2b3405c3a690e50f5669e99 (commit)

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not appeared on any other notification email; so we list those
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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=b86bbf39bc521556fec7cbb0f3677f866491ea09

commit b86bbf39bc521556fec7cbb0f3677f866491ea09
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Sat Oct 14 09:47:08 2017 -0300

    sparc: cpu_relax ifunc

diff --git a/sysdeps/sparc/sparc64/cpu_relax.S b/sysdeps/sparc/sparc64/cpu_relax.S
deleted file mode 100644
index 5271164..0000000
--- a/sysdeps/sparc/sparc64/cpu_relax.S
+++ /dev/null
@@ -1,67 +0,0 @@
-/* CPU strand yielding for busy loops.
-   Copyright (C) 2012-2017 Free Software Foundation, Inc.
-   Contributed by David S. Miller (davem@davemloft.net)
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-
-	.text
-__cpu_relax_generic:
-	rd	%ccr, %g0
-	rd	%ccr, %g0
-	rd	%ccr, %g0
-	retl
-	 nop
-	.size	__cpu_relax_generic,.-__cpu_relax_generic
-
-__cpu_relax_pause:
-	wr	%g0, 128, %asr27
-	retl
-	 nop
-	.size	__cpu_relax_pause,.-__cpu_relax_pause
-
-ENTRY(__cpu_relax)
-	.type	__cpu_relax, @gnu_indirect_function
-# ifdef SHARED
-	SETUP_PIC_REG_LEAF(o3, o5)
-# endif
-	set	HWCAP_SPARC_PAUSE, %o1
-	andcc	%o0, %o1, %g0
-	be	1f
-	 nop
-# ifdef SHARED
-	sethi	%gdop_hix22(__cpu_relax_pause), %o1
-	xor	%o1, %gdop_lox10(__cpu_relax_pause), %o1
-# else
-	set	__cpu_relax_pause, %o1
-# endif
-	ba	10f
-	 nop
-1:
-# ifdef SHARED
-	sethi	%gdop_hix22(__cpu_relax_generic), %o1
-	xor	%o1, %gdop_lox10(__cpu_relax_generic), %o1
-# else
-	set	__cpu_relax_generic, %o1
-# endif
-10:
-# ifdef SHARED
-	add	%o3, %o1, %o1
-# endif
-	retl
-	 mov	%o1, %o0
-END(__cpu_relax)
diff --git a/sysdeps/sparc/sparc64/cpu_relax.c b/sysdeps/sparc/sparc64/cpu_relax.c
new file mode 100644
index 0000000..00c94d5
--- /dev/null
+++ b/sysdeps/sparc/sparc64/cpu_relax.c
@@ -0,0 +1,20 @@
+#include <sparc-ifunc.h>
+
+static void
+__cpu_relax_generic (void)
+{
+  asm volatile ("rd %ccr, %g0;"
+		"rd %ccr, %g0;"
+		"rd %ccr, %g0");
+}
+
+static void
+__cpu_relax_pause (void)
+{
+  asm volatile ("wr %g0, 128, %asr27;");
+}
+
+sparc_libc_ifunc (__cpu_relax,
+		  hwcap & HWCAP_SPARC_PAUSE
+		  ? __cpu_relax_pause
+		  : __cpu_relax_generic)

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=9a905995fbc49d28d2ceb7ba9afa9da54644679a

commit 9a905995fbc49d28d2ceb7ba9afa9da54644679a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Sat Oct 14 07:55:54 2017 -0300

    Remove x32 getcpu

diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/getcpu.c b/sysdeps/unix/sysv/linux/x86_64/x32/getcpu.c
deleted file mode 100644
index cd26d2e..0000000
--- a/sysdeps/unix/sysv/linux/x86_64/x32/getcpu.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Copyright (C) 2012-2017 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifdef SHARED
-# include <dl-vdso.h>
-
-void *getcpu_ifunc (void) __asm__ ("__getcpu");
-
-void *
-inhibit_stack_protector
-getcpu_ifunc (void)
-{
-  PREPARE_VERSION (linux26, "LINUX_2.6", 61765110);
-
-  return _dl_vdso_vsym ("__vdso_getcpu", &linux26);
-}
-__asm (".type __getcpu, %gnu_indirect_function");
-#endif

-----------------------------------------------------------------------

Summary of changes:
 sysdeps/sparc/sparc64/cpu_relax.S           |   67 ---------------------------
 sysdeps/sparc/sparc64/cpu_relax.c           |   20 ++++++++
 sysdeps/unix/sysv/linux/x86_64/x32/getcpu.c |   32 -------------
 3 files changed, 20 insertions(+), 99 deletions(-)
 delete mode 100644 sysdeps/sparc/sparc64/cpu_relax.S
 create mode 100644 sysdeps/sparc/sparc64/cpu_relax.c
 delete mode 100644 sysdeps/unix/sysv/linux/x86_64/x32/getcpu.c


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