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authorJakub Jelinek <jakub@redhat.com>2010-12-09 10:38:18 -0500
committerUlrich Drepper <drepper@gmail.com>2010-12-09 10:38:18 -0500
commit42acbb92c861e97a6e1293ea853db88342a1bf53 (patch)
tree88e096f0d2144fd9f2e9d6ba8cc093bcd56084ec /sysdeps/i386/i686
parenta5b913e299027a799ae5435d66e3f20e95859654 (diff)
downloadglibc-42acbb92c861e97a6e1293ea853db88342a1bf53.tar.gz
glibc-42acbb92c861e97a6e1293ea853db88342a1bf53.tar.xz
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Fix -D_FORTIFY_SOURCE memmove and bcop
Diffstat (limited to 'sysdeps/i386/i686')
-rw-r--r--sysdeps/i386/i686/multiarch/strcmp.S55
1 files changed, 25 insertions, 30 deletions
diff --git a/sysdeps/i386/i686/multiarch/strcmp.S b/sysdeps/i386/i686/multiarch/strcmp.S
index 7136d47e85..8724594881 100644
--- a/sysdeps/i386/i686/multiarch/strcmp.S
+++ b/sysdeps/i386/i686/multiarch/strcmp.S
@@ -40,37 +40,32 @@
    need strncmp before the initialization happened.  */
 #if (defined SHARED || !defined USE_AS_STRNCMP) && !defined NOT_IN_libc
 # ifdef SHARED
-	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
-	.globl	__i686.get_pc_thunk.bx
-	.hidden	__i686.get_pc_thunk.bx
-	.p2align 4
-	.type	__i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
-	movl	(%esp), %ebx
+	.section	.gnu.linkonce.t.__i686.get_pc_thunk.dx,"ax",@progbits
+	.globl	__i686.get_pc_thunk.dx
+	.hidden	__i686.get_pc_thunk.dx
+	.p2align 2
+	.type	__i686.get_pc_thunk.dx,@function
+__i686.get_pc_thunk.dx:
+	movl	(%esp), %edx
 	ret
+	.size	__i686.get_pc_thunk.dx, .-__i686.get_pc_thunk.dx
 
 	.text
 ENTRY(STRCMP)
 	.type	STRCMP, @gnu_indirect_function
-	pushl	%ebx
-	cfi_adjust_cfa_offset (4)
-	cfi_rel_offset (ebx, 0)
-	call	__i686.get_pc_thunk.bx
-	addl	$_GLOBAL_OFFSET_TABLE_, %ebx
-	cmpl	$0, KIND_OFFSET+__cpu_features@GOTOFF(%ebx)
+	call	__i686.get_pc_thunk.dx
+	addl	$_GLOBAL_OFFSET_TABLE_, %edx
+	cmpl	$0, KIND_OFFSET+__cpu_features@GOTOFF(%edx)
 	jne	1f
 	call	__init_cpu_features
-1:	leal	__STRCMP_IA32@GOTOFF(%ebx), %eax
-	testl	$bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features@GOTOFF(%ebx)
-	jz	2f
-	leal	__STRCMP_SSSE3@GOTOFF(%ebx), %eax
-	testl	$bit_SSE4_2, CPUID_OFFSET+index_SSE4_2+__cpu_features@GOTOFF(%ebx)
-	jz	2f
-	leal	__STRCMP_SSE4_2@GOTOFF(%ebx), %eax
-2:	popl	%ebx
-	cfi_adjust_cfa_offset (-4)
-	cfi_restore (ebx)
-	ret
+1:	leal	__STRCMP_SSE4_2@GOTOFF(%edx), %eax
+	testl	$bit_SSE4_2, CPUID_OFFSET+index_SSE4_2+__cpu_features@GOTOFF(%edx)
+	jnz	2f
+	leal	__STRCMP_SSSE3@GOTOFF(%edx), %eax
+	testl	$bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features@GOTOFF(%edx)
+	jnz	2f
+	leal	__STRCMP_IA32@GOTOFF(%edx), %ecx
+2:	ret
 END(STRCMP)
 # else
 	.text
@@ -79,13 +74,13 @@ ENTRY(STRCMP)
 	cmpl	$0, KIND_OFFSET+__cpu_features
 	jne	1f
 	call	__init_cpu_features
-1:	leal	__STRCMP_IA32, %eax
-	testl	$bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features
-	jz	2f
-	leal	__STRCMP_SSSE3, %eax
+1:	leal	__STRCMP_SSE4_2, %eax
 	testl	$bit_SSE4_2, CPUID_OFFSET+index_SSE4_2+__cpu_features
-	jz	2f
-	leal	__STRCMP_SSE4_2, %eax
+	jnz	2f
+	leal	__STRCMP_SSSE3, %eax
+	testl	$bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features
+	jnz	2f
+	leal	__STRCMP_IA32, %eax
 2:	ret
 END(STRCMP)
 # endif