Revert "Optimize 32bit memset/memcpy with SSE2/SSSE3."

This reverts commit 3af48cb.

ChangeLog

@@ -169,68 +169,6 @@
 
 	* posix/sched.h: Define time_t and pid_t for XPG7.
 
-2010-01-12  H.J. Lu  <hongjiu.lu@intel.com>
-
-	* sysdeps/i386/i686/bcopy.S: New file.
-
-	* sysdeps/i386/i686/cacheinfo.c (__x86_64_data_cache_size): Define.
-
-	* sysdeps/i386/i686/memcpy.S (__memcpy_chk): Use ENTRY_CHK
-	and END_CHK.
-	* sysdeps/i386/i686/memmove.S (__memmove_chk): Likewise.
-	* sysdeps/i386/i686/mempcpy.S (__mempcpy_chk): Likewise.
-	* sysdeps/i386/i686/memset.S (__memset_chk): Likewise.
-
-	* sysdeps/i386/i686/memmove.S: Support USE_AS_BCOPY.
-
-	* sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add
-	bzero-sse2 memset-sse2 memcpy-ssse3 mempcpy-ssse3 memmove-ssse3
-	memcpy-ssse3-rep mempcpy-ssse3-rep memmove-ssse3-rep
-	bcopy-ssse3 bcopy-ssse3-rep memset-sse2-rep bzero-sse2-rep
-	* sysdeps/i386/i686/multiarch/bcopy-ssse3-rep.S: New file.
-	* sysdeps/i386/i686/multiarch/bcopy-ssse3.S: New file.
-	* sysdeps/i386/i686/multiarch/bcopy.S: New file.
-	* sysdeps/i386/i686/multiarch/bzero-sse2-rep.S: New file.
-	* sysdeps/i386/i686/multiarch/bzero-sse2.S: New file.
-	* sysdeps/i386/i686/multiarch/bzero.S: New file.
-	* sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S: New file.
-	* sysdeps/i386/i686/multiarch/memcpy-ssse3.S: New file.
-	* sysdeps/i386/i686/multiarch/memcpy.S: New file.
-	* sysdeps/i386/i686/multiarch/memcpy_chk.S: New file.
-	* sysdeps/i386/i686/multiarch/memmove-ssse3-rep.S: New file.
-	* sysdeps/i386/i686/multiarch/memmove-ssse3.S: New file.
-	* sysdeps/i386/i686/multiarch/memmove.S: New file.
-	* sysdeps/i386/i686/multiarch/memmove_chk.S: New file.
-	* sysdeps/i386/i686/multiarch/mempcpy-ssse3-rep.S: New file.
-	* sysdeps/i386/i686/multiarch/mempcpy-ssse3.S: New file.
-	* sysdeps/i386/i686/multiarch/mempcpy.S: New file.
-	* sysdeps/i386/i686/multiarch/mempcpy_chk.S: New file.
-	* sysdeps/i386/i686/multiarch/memset-sse2-rep.S: New file.
-	* sysdeps/i386/i686/multiarch/memset-sse2.S: New file.
-	* sysdeps/i386/i686/multiarch/memset.S: New file.
-	* sysdeps/i386/i686/multiarch/memset_chk.S: New file.
-
-	* sysdeps/i386/sysdep.h (ENTRY_CHK): New.
-	(END_CHK): Likewise.
-
-	* sysdeps/i386/i686/multiarch/ifunc-defines.sym: Add
-	FEATURE_OFFSET, FEATURE_SIZE and FEATURE_INDEX_1.
-	* sysdeps/x86_64/multiarch/ifunc-defines.sym: Likewise.
-
-	* sysdeps/x86_64/cacheinfo.c (intel_02_cache_info): Add entries
-	for 0x0e and 0x80.
-	(__x86_64_data_cache_size): New.
-	(init_cacheinfo): Set __x86_64_data_cache_size.
-
-	* sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features): Turn
-	on bit_Fast_Rep_String for Intel Core i7.
-
-	* sysdeps/x86_64/multiarch/init-arch.h (bit_Fast_Rep_String): New.
-	(index_Fast_Rep_String): Likewise.
-	(FEATURE_INDEX_1): Likewise.
-	(FEATURE_INDEX_MAX): Likewise.
-	(cpu_features): Add feature.
-
 2010-01-12  Ulrich Drepper  <drepper@redhat.com>
 
 	* conform/data/sys/select.h-data: Fix up for XPG7.

sysdeps/i386/i686/cacheinfo.c

@@ -1,4 +1,3 @@
-#define __x86_64_data_cache_size __x86_data_cache_size
 #define __x86_64_data_cache_size_half __x86_data_cache_size_half
 #define __x86_64_shared_cache_size __x86_shared_cache_size
 #define __x86_64_shared_cache_size_half __x86_shared_cache_size_half

sysdeps/i386/i686/memcpy.S

@@ -32,11 +32,11 @@
 
 	.text
 #if defined PIC && !defined NOT_IN_libc
-ENTRY_CHK (__memcpy_chk)
+ENTRY (__memcpy_chk)
 	movl	12(%esp), %eax
 	cmpl	%eax, 16(%esp)
 	jb	HIDDEN_JUMPTARGET (__chk_fail)
-END_CHK (__memcpy_chk)
+END (__memcpy_chk)
 #endif
 ENTRY (BP_SYM (memcpy))
 	ENTER

sysdeps/i386/i686/memmove.S

@@ -26,27 +26,18 @@
 
 #define PARMS	LINKAGE+4	/* one spilled register */
 #define RTN	PARMS
+#define DEST	RTN+RTN_SIZE
+#define SRC	DEST+PTR_SIZE
+#define LEN	SRC+PTR_SIZE
 
 	.text
-
-#ifdef USE_AS_BCOPY
-# define SRC	RTN+RTN_SIZE
-# define DEST	SRC+PTR_SIZE
-# define LEN	DEST+PTR_SIZE
-#else
-# define DEST	RTN+RTN_SIZE
-# define SRC	DEST+PTR_SIZE
-# define LEN	SRC+PTR_SIZE
-
-# if defined PIC && !defined NOT_IN_libc
-ENTRY_CHK (__memmove_chk)
+#if defined PIC && !defined NOT_IN_libc
+ENTRY (__memmove_chk)
 	movl	12(%esp), %eax
 	cmpl	%eax, 16(%esp)
 	jb	HIDDEN_JUMPTARGET (__chk_fail)
-END_CHK (__memmove_chk)
-# endif
+END (__memmove_chk)
 #endif
-
 ENTRY (BP_SYM (memmove))
 	ENTER
 
@@ -78,10 +69,8 @@ ENTRY (BP_SYM (memmove))
 	movsl
 	movl	%edx, %esi
 	cfi_restore (esi)
-#ifndef USE_AS_BCOPY
 	movl	DEST(%esp), %eax
 	RETURN_BOUNDED_POINTER (DEST(%esp))
-#endif
 
 	popl	%edi
 	cfi_adjust_cfa_offset (-4)
@@ -112,10 +101,8 @@ ENTRY (BP_SYM (memmove))
 	movsl
 	movl	%edx, %esi
 	cfi_restore (esi)
-#ifndef USE_AS_BCOPY
 	movl	DEST(%esp), %eax
 	RETURN_BOUNDED_POINTER (DEST(%esp))
-#endif
 
 	cld
 	popl	%edi
@@ -125,6 +112,4 @@ ENTRY (BP_SYM (memmove))
 	LEAVE
 	RET_PTR
 END (BP_SYM (memmove))
-#ifndef USE_AS_BCOPY
 libc_hidden_builtin_def (memmove)
-#endif

sysdeps/i386/i686/mempcpy.S

@@ -32,11 +32,11 @@
 
 	.text
 #if defined PIC && !defined NOT_IN_libc
-ENTRY_CHK (__mempcpy_chk)
+ENTRY (__mempcpy_chk)
 	movl	12(%esp), %eax
 	cmpl	%eax, 16(%esp)
 	jb	HIDDEN_JUMPTARGET (__chk_fail)
-END_CHK (__mempcpy_chk)
+END (__mempcpy_chk)
 #endif
 ENTRY (BP_SYM (__mempcpy))
 	ENTER

sysdeps/i386/i686/memset.S

@@ -40,11 +40,11 @@
 
         .text
 #if defined PIC && !defined NOT_IN_libc && !BZERO_P
-ENTRY_CHK (__memset_chk)
+ENTRY (__memset_chk)
 	movl	12(%esp), %eax
 	cmpl	%eax, 16(%esp)
 	jb	HIDDEN_JUMPTARGET (__chk_fail)
-END_CHK (__memset_chk)
+END (__memset_chk)
 #endif
 ENTRY (BP_SYM (memset))
 	ENTER

sysdeps/i386/i686/multiarch/Makefile

@@ -4,10 +4,6 @@ gen-as-const-headers += ifunc-defines.sym
 endif
 
 ifeq ($(subdir),string)
-sysdep_routines += bzero-sse2 memset-sse2 memcpy-ssse3 mempcpy-ssse3 \
-		   memmove-ssse3 memcpy-ssse3-rep mempcpy-ssse3-rep \
-		   memmove-ssse3-rep bcopy-ssse3 bcopy-ssse3-rep \
-		   memset-sse2-rep bzero-sse2-rep
 ifeq (yes,$(config-cflags-sse4))
 sysdep_routines += strcspn-c strpbrk-c strspn-c strstr-c strcasestr-c
 CFLAGS-strcspn-c.c += -msse4