GNU C Library master sources branch master updated. glibc-2.18-50-g0186c6e

[neleai at sourceware dot org]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".

The branch, master has been updated
       via  0186c6e97ecd58e91a45cbb74e5643325777fd6f (commit)
      from  99541e80777c82fb0cea14944209877ef961aa9f (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=0186c6e97ecd58e91a45cbb74e5643325777fd6f

commit 0186c6e97ecd58e91a45cbb74e5643325777fd6f
Author: OndÅ?ej Bílka <neleai@seznam.cz>
Date:   Fri Aug 30 10:14:37 2013 +0200

    Fix rawmemchr regression on bulldozer.

diff --git a/ChangeLog b/ChangeLog
index 5fa802c..ac8c4b2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-08-30  OndÅ?ej Bílka  <neleai@seznam.cz>
+
+	* sysdeps/x86_64/multiarch/rawmemchr.S: Delete.
+	* sysdeps/x86_64/multiarch/ifunc-impl-list.c: Remove rawmemchr ifunc.
+
 2013-08-29  OndÅ?ej Bílka  <neleai@seznam.cz>
 
 	* sysdeps/unix/sysv/linux/powerpc/aix/aix-dirent.h: Remove
diff --git a/sysdeps/x86_64/multiarch/ifunc-impl-list.c b/sysdeps/x86_64/multiarch/ifunc-impl-list.c
index 28d3579..d0992e1 100644
--- a/sysdeps/x86_64/multiarch/ifunc-impl-list.c
+++ b/sysdeps/x86_64/multiarch/ifunc-impl-list.c
@@ -61,12 +61,6 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      __memmove_ssse3)
 	      IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_sse2))
 
-  /* Support sysdeps/x86_64/multiarch/rawmemchr.S.  */
-  IFUNC_IMPL (i, name, rawmemchr,
-	      IFUNC_IMPL_ADD (array, i, rawmemchr, HAS_SSE4_2,
-			      __rawmemchr_sse42)
-	      IFUNC_IMPL_ADD (array, i, rawmemchr, 1, __rawmemchr_sse2))
-
   /* Support sysdeps/x86_64/multiarch/stpncpy.S.  */
   IFUNC_IMPL (i, name, stpncpy,
 	      IFUNC_IMPL_ADD (array, i, stpncpy, HAS_SSSE3,
diff --git a/sysdeps/x86_64/multiarch/rawmemchr.S b/sysdeps/x86_64/multiarch/rawmemchr.S
deleted file mode 100644
index 50de38f..0000000
--- a/sysdeps/x86_64/multiarch/rawmemchr.S
+++ /dev/null
@@ -1,103 +0,0 @@
-/* Multiple versions of rawmemchr
-   All versions must be listed in ifunc-impl-list.c.
-   Copyright (C) 2009-2013 Free Software Foundation, Inc.
-   Contributed by Ulrich Drepper <drepper@redhat.com>.
-   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>
-#include <init-arch.h>
-
-
-/* Define multiple versions only for the definition in lib.  */
-#ifndef NOT_IN_libc
-	.text
-ENTRY(rawmemchr)
-	.type	rawmemchr, @gnu_indirect_function
-	cmpl	$0, __cpu_features+KIND_OFFSET(%rip)
-	jne	1f
-	call	__init_cpu_features
-1:	testl	$bit_Prefer_PMINUB_for_stringop, __cpu_features+FEATURE_OFFSET+index_Prefer_PMINUB_for_stringop(%rip)
-	jnz	2f
-	testl	$bit_SSE4_2, __cpu_features+CPUID_OFFSET+index_SSE4_2(%rip)
-	jz	2f
-	leaq	__rawmemchr_sse42(%rip), %rax
-	ret
-2:	leaq	__rawmemchr_sse2(%rip), %rax
-	ret
-
-END(rawmemchr)
-strong_alias (rawmemchr, __rawmemchr)
-
-
-	.section .text.sse4.2,"ax",@progbits
-	.align	16
-	.type	__rawmemchr_sse42, @function
-	.globl __rawmemchr_sse42
-	.hidden __rawmemchr_sse42
-__rawmemchr_sse42:
-	cfi_startproc
-	CALL_MCOUNT
-	movd	%esi, %xmm1
-	movq	%rdi, %rcx
-	pxor	%xmm2, %xmm2
-	andq	$~15, %rdi
-	orl	$0xffffffff, %esi
-	pshufb	%xmm2, %xmm1
-	movdqa	(%rdi), %xmm0
-	subq	%rdi, %rcx
-	pcmpeqb	%xmm1, %xmm0
-	shl	%cl, %esi
-	pmovmskb %xmm0, %ecx
-	movl	$16, %eax
-	movl	$16, %edx
-	andl	%esi, %ecx
-	jnz	1f
-
-2:	pcmpestri $0x08, 16(%rdi), %xmm1
-	leaq	16(%rdi), %rdi
-	jnc	2b
-
-	leaq	(%rdi,%rcx), %rax
-	ret
-
-1:	bsfl	%ecx, %eax
-	addq	%rdi, %rax
-	ret
-	cfi_endproc
-	.size	__rawmemchr_sse42, .-__rawmemchr_sse42
-
-
-# undef ENTRY
-# define ENTRY(name) \
-	.type __rawmemchr_sse2, @function; \
-	.align 16; \
-	.globl __rawmemchr_sse2; \
-	.hidden __rawmemchr_sse2; \
-	__rawmemchr_sse2: cfi_startproc; \
-	CALL_MCOUNT
-# undef END
-# define END(name) \
-	cfi_endproc; .size __rawmemchr_sse2, .-__rawmemchr_sse2
-# undef libc_hidden_builtin_def
-/* It doesn't make sense to send libc-internal rawmemchr calls through a PLT.
-   The speedup we get from using SSE4.2 instruction is likely eaten away
-   by the indirect call in the PLT.  */
-# define libc_hidden_builtin_def(name) \
-	.globl __GI___rawmemchr; __GI___rawmemchr = __rawmemchr_sse2
-#endif
-
-#include "../rawmemchr.S"

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

Summary of changes:
 ChangeLog                                  |    5 ++
 sysdeps/x86_64/multiarch/ifunc-impl-list.c |    6 --
 sysdeps/x86_64/multiarch/rawmemchr.S       |  103 ----------------------------
 3 files changed, 5 insertions(+), 109 deletions(-)
 delete mode 100644 sysdeps/x86_64/multiarch/rawmemchr.S


hooks/post-receive
-- 
GNU C Library master sources