x86: Remove {w}memcmp-ssse3

With SSE2, SSE4.1, AVX2, and EVEX versions very few targets prefer
SSSE3. As a result it is no longer worth it to keep the SSSE3
versions given the code size cost.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>

5 files changed, 0 insertions, 2006 deletions

diff --git a/sysdeps/x86_64/multiarch/Makefile b/sysdeps/x86_64/multiarch/Makefile
index 6507d1b7fa..51222dfab1 100644
--- a/sysdeps/x86_64/multiarch/Makefile
+++ b/sysdeps/x86_64/multiarch/Makefile
@@ -12,7 +12,6 @@ sysdep_routines += \
   memcmp-evex-movbe \
   memcmp-sse2 \
   memcmp-sse4 \
-  memcmp-ssse3 \
   memcmpeq-avx2 \
   memcmpeq-avx2-rtm \
   memcmpeq-evex \
@@ -179,7 +178,6 @@ sysdep_routines += \
   wmemcmp-c \
   wmemcmp-evex-movbe \
   wmemcmp-sse4 \
-  wmemcmp-ssse3 \
 # sysdep_routines
 endif
 
diff --git a/sysdeps/x86_64/multiarch/ifunc-impl-list.c b/sysdeps/x86_64/multiarch/ifunc-impl-list.c
index 40cc6cc49e..f389928a4e 100644
--- a/sysdeps/x86_64/multiarch/ifunc-impl-list.c
+++ b/sysdeps/x86_64/multiarch/ifunc-impl-list.c
@@ -98,8 +98,6 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      __memcmp_evex_movbe)
 	      IFUNC_IMPL_ADD (array, i, memcmp, CPU_FEATURE_USABLE (SSE4_1),
 			      __memcmp_sse4_1)
-	      IFUNC_IMPL_ADD (array, i, memcmp, CPU_FEATURE_USABLE (SSSE3),
-			      __memcmp_ssse3)
 	      IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_sse2))
 
 #ifdef SHARED
@@ -844,8 +842,6 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      __wmemcmp_evex_movbe)
 	      IFUNC_IMPL_ADD (array, i, wmemcmp, CPU_FEATURE_USABLE (SSE4_1),
 			      __wmemcmp_sse4_1)
-	      IFUNC_IMPL_ADD (array, i, wmemcmp, CPU_FEATURE_USABLE (SSSE3),
-			      __wmemcmp_ssse3)
 	      IFUNC_IMPL_ADD (array, i, wmemcmp, 1, __wmemcmp_sse2))
 
   /* Support sysdeps/x86_64/multiarch/wmemset.c.  */
diff --git a/sysdeps/x86_64/multiarch/ifunc-memcmp.h b/sysdeps/x86_64/multiarch/ifunc-memcmp.h
index cd12613699..44759a3ad5 100644
--- a/sysdeps/x86_64/multiarch/ifunc-memcmp.h
+++ b/sysdeps/x86_64/multiarch/ifunc-memcmp.h
@@ -20,7 +20,6 @@
 # include <init-arch.h>
 
 extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2) attribute_hidden;
-extern __typeof (REDIRECT_NAME) OPTIMIZE (ssse3) attribute_hidden;
 extern __typeof (REDIRECT_NAME) OPTIMIZE (sse4_1) attribute_hidden;
 extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2_movbe) attribute_hidden;
 extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2_movbe_rtm) attribute_hidden;
@@ -50,8 +49,5 @@ IFUNC_SELECTOR (void)
   if (CPU_FEATURE_USABLE_P (cpu_features, SSE4_1))
     return OPTIMIZE (sse4_1);
 
-  if (CPU_FEATURE_USABLE_P (cpu_features, SSSE3))
-    return OPTIMIZE (ssse3);
-
   return OPTIMIZE (sse2);
 }
diff --git a/sysdeps/x86_64/multiarch/memcmp-ssse3.S b/sysdeps/x86_64/multiarch/memcmp-ssse3.S
deleted file mode 100644
index df1b1fc494..0000000000
--- a/sysdeps/x86_64/multiarch/memcmp-ssse3.S
+++ /dev/null
@@ -1,1992 +0,0 @@
-/* memcmp with SSSE3, wmemcmp with SSSE3
-   Copyright (C) 2011-2022 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
-   <https://www.gnu.org/licenses/>.  */
-
-#if IS_IN (libc)
-
-# include <sysdep.h>
-
-# ifndef MEMCMP
-#  define MEMCMP	__memcmp_ssse3
-# endif
-
-/* Warning!
-	   wmemcmp has to use SIGNED comparison for elements.
-	   memcmp has to use UNSIGNED comparison for elemnts.
-*/
-
-	atom_text_section
-ENTRY (MEMCMP)
-# ifdef USE_AS_WMEMCMP
-	shl	$2, %RDX_LP
-	test	%RDX_LP, %RDX_LP
-	jz	L(equal)
-# elif defined __ILP32__
-	/* Clear the upper 32 bits.  */
-	mov	%edx, %edx
-# endif
-	mov	%rdx, %rcx
-	mov	%rdi, %rdx
-	cmp	$48, %rcx;
-	jae	L(48bytesormore)	/* LEN => 48  */
-
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-/* ECX >= 32.  */
-L(48bytesormore):
-	movdqu	(%rdi), %xmm3
-	movdqu	(%rsi), %xmm0
-	pcmpeqb	%xmm0, %xmm3
-	pmovmskb %xmm3, %edx
-	lea	16(%rdi), %rdi
-	lea	16(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(less16bytes)
-	mov	%edi, %edx
-	and	$0xf, %edx
-	xor	%rdx, %rdi
-	sub	%rdx, %rsi
-	add	%rdx, %rcx
-	mov	%esi, %edx
-	and	$0xf, %edx
-	jz	L(shr_0)
-	xor	%rdx, %rsi
-
-# ifndef USE_AS_WMEMCMP
-	cmp	$8, %edx
-	jae	L(next_unaligned_table)
-	cmp	$0, %edx
-	je	L(shr_0)
-	cmp	$1, %edx
-	je	L(shr_1)
-	cmp	$2, %edx
-	je	L(shr_2)
-	cmp	$3, %edx
-	je	L(shr_3)
-	cmp	$4, %edx
-	je	L(shr_4)
-	cmp	$5, %edx
-	je	L(shr_5)
-	cmp	$6, %edx
-	je	L(shr_6)
-	jmp	L(shr_7)
-
-	.p2align 2
-L(next_unaligned_table):
-	cmp	$8, %edx
-	je	L(shr_8)
-	cmp	$9, %edx
-	je	L(shr_9)
-	cmp	$10, %edx
-	je	L(shr_10)
-	cmp	$11, %edx
-	je	L(shr_11)
-	cmp	$12, %edx
-	je	L(shr_12)
-	cmp	$13, %edx
-	je	L(shr_13)
-	cmp	$14, %edx
-	je	L(shr_14)
-	jmp	L(shr_15)
-# else
-	cmp	$0, %edx
-	je	L(shr_0)
-	cmp	$4, %edx
-	je	L(shr_4)
-	cmp	$8, %edx
-	je	L(shr_8)
-	jmp	L(shr_12)
-# endif
-
-	.p2align 4
-L(shr_0):
-	cmp	$80, %rcx
-	lea	-48(%rcx), %rcx
-	jae	L(shr_0_gobble)
-	xor	%eax, %eax
-	movdqa	(%rsi), %xmm1
-	pcmpeqb	(%rdi), %xmm1
-	movdqa	16(%rsi), %xmm2
-	pcmpeqb	16(%rdi), %xmm2
-	pand	%xmm1, %xmm2
-	pmovmskb %xmm2, %edx
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_0_gobble):
-	movdqa	(%rsi), %xmm0
-	xor	%eax, %eax
-	pcmpeqb	(%rdi), %xmm0
-	sub	$32, %rcx
-	movdqa	16(%rsi), %xmm2
-	pcmpeqb	16(%rdi), %xmm2
-L(shr_0_gobble_loop):
-	pand	%xmm0, %xmm2
-	sub	$32, %rcx
-	pmovmskb %xmm2, %edx
-	movdqa	%xmm0, %xmm1
-	movdqa	32(%rsi), %xmm0
-	movdqa	48(%rsi), %xmm2
-	sbb	$0xffff, %edx
-	pcmpeqb	32(%rdi), %xmm0
-	pcmpeqb	48(%rdi), %xmm2
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	jz	L(shr_0_gobble_loop)
-
-	pand	%xmm0, %xmm2
-	cmp	$0, %rcx
-	jge	L(next)
-	inc	%edx
-	add	$32, %rcx
-L(next):
-	test	%edx, %edx
-	jnz	L(exit)
-
-	pmovmskb %xmm2, %edx
-	movdqa	%xmm0, %xmm1
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-# ifndef USE_AS_WMEMCMP
-
-	.p2align 4
-L(shr_1):
-	cmp	$80, %rcx
-	lea	-48(%rcx), %rcx
-	mov	%edx, %eax
-	jae	L(shr_1_gobble)
-
-	movdqa	16(%rsi), %xmm1
-	movdqa	%xmm1, %xmm2
-	palignr	$1, (%rsi), %xmm1
-	pcmpeqb	(%rdi), %xmm1
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$1, %xmm2, %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-	pand	%xmm1, %xmm3
-	pmovmskb %xmm3, %edx
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-	add	$1, %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_1_gobble):
-	sub	$32, %rcx
-	movdqa	16(%rsi), %xmm0
-	palignr	$1, (%rsi), %xmm0
-	pcmpeqb	(%rdi), %xmm0
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$1, 16(%rsi), %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-L(shr_1_gobble_loop):
-	pand	%xmm0, %xmm3
-	sub	$32, %rcx
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-
-	movdqa	64(%rsi), %xmm3
-	palignr	$1, 48(%rsi), %xmm3
-	sbb	$0xffff, %edx
-	movdqa	48(%rsi), %xmm0
-	palignr	$1, 32(%rsi), %xmm0
-	pcmpeqb	32(%rdi), %xmm0
-	lea	32(%rsi), %rsi
-	pcmpeqb	48(%rdi), %xmm3
-
-	lea	32(%rdi), %rdi
-	jz	L(shr_1_gobble_loop)
-	pand	%xmm0, %xmm3
-
-	cmp	$0, %rcx
-	jge	L(shr_1_gobble_next)
-	inc	%edx
-	add	$32, %rcx
-L(shr_1_gobble_next):
-	test	%edx, %edx
-	jnz	L(exit)
-
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-
-	lea	1(%rsi), %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-
-	.p2align 4
-L(shr_2):
-	cmp	$80, %rcx
-	lea	-48(%rcx), %rcx
-	mov	%edx, %eax
-	jae	L(shr_2_gobble)
-
-	movdqa	16(%rsi), %xmm1
-	movdqa	%xmm1, %xmm2
-	palignr	$2, (%rsi), %xmm1
-	pcmpeqb	(%rdi), %xmm1
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$2, %xmm2, %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-	pand	%xmm1, %xmm3
-	pmovmskb %xmm3, %edx
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-	add	$2, %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_2_gobble):
-	sub	$32, %rcx
-	movdqa	16(%rsi), %xmm0
-	palignr	$2, (%rsi), %xmm0
-	pcmpeqb	(%rdi), %xmm0
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$2, 16(%rsi), %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-L(shr_2_gobble_loop):
-	pand	%xmm0, %xmm3
-	sub	$32, %rcx
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-
-	movdqa	64(%rsi), %xmm3
-	palignr	$2, 48(%rsi), %xmm3
-	sbb	$0xffff, %edx
-	movdqa	48(%rsi), %xmm0
-	palignr	$2, 32(%rsi), %xmm0
-	pcmpeqb	32(%rdi), %xmm0
-	lea	32(%rsi), %rsi
-	pcmpeqb	48(%rdi), %xmm3
-
-	lea	32(%rdi), %rdi
-	jz	L(shr_2_gobble_loop)
-	pand	%xmm0, %xmm3
-
-	cmp	$0, %rcx
-	jge	L(shr_2_gobble_next)
-	inc	%edx
-	add	$32, %rcx
-L(shr_2_gobble_next):
-	test	%edx, %edx
-	jnz	L(exit)
-
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-
-	lea	2(%rsi), %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_3):
-	cmp	$80, %rcx
-	lea	-48(%rcx), %rcx
-	mov	%edx, %eax
-	jae	L(shr_3_gobble)
-
-	movdqa	16(%rsi), %xmm1
-	movdqa	%xmm1, %xmm2
-	palignr	$3, (%rsi), %xmm1
-	pcmpeqb	(%rdi), %xmm1
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$3, %xmm2, %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-	pand	%xmm1, %xmm3
-	pmovmskb %xmm3, %edx
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-	add	$3, %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_3_gobble):
-	sub	$32, %rcx
-	movdqa	16(%rsi), %xmm0
-	palignr	$3, (%rsi), %xmm0
-	pcmpeqb	(%rdi), %xmm0
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$3, 16(%rsi), %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-L(shr_3_gobble_loop):
-	pand	%xmm0, %xmm3
-	sub	$32, %rcx
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-
-	movdqa	64(%rsi), %xmm3
-	palignr	$3, 48(%rsi), %xmm3
-	sbb	$0xffff, %edx
-	movdqa	48(%rsi), %xmm0
-	palignr	$3, 32(%rsi), %xmm0
-	pcmpeqb	32(%rdi), %xmm0
-	lea	32(%rsi), %rsi
-	pcmpeqb	48(%rdi), %xmm3
-
-	lea	32(%rdi), %rdi
-	jz	L(shr_3_gobble_loop)
-	pand	%xmm0, %xmm3
-
-	cmp	$0, %rcx
-	jge	L(shr_3_gobble_next)
-	inc	%edx
-	add	$32, %rcx
-L(shr_3_gobble_next):
-	test	%edx, %edx
-	jnz	L(exit)
-
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-
-	lea	3(%rsi), %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-# endif
-
-	.p2align 4
-L(shr_4):
-	cmp	$80, %rcx
-	lea	-48(%rcx), %rcx
-	mov	%edx, %eax
-	jae	L(shr_4_gobble)
-
-	movdqa	16(%rsi), %xmm1
-	movdqa	%xmm1, %xmm2
-	palignr	$4, (%rsi), %xmm1
-	pcmpeqb	(%rdi), %xmm1
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$4, %xmm2, %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-	pand	%xmm1, %xmm3
-	pmovmskb %xmm3, %edx
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-	add	$4, %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_4_gobble):
-	sub	$32, %rcx
-	movdqa	16(%rsi), %xmm0
-	palignr	$4, (%rsi), %xmm0
-	pcmpeqb	(%rdi), %xmm0
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$4, 16(%rsi), %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-L(shr_4_gobble_loop):
-	pand	%xmm0, %xmm3
-	sub	$32, %rcx
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-
-	movdqa	64(%rsi), %xmm3
-	palignr	$4, 48(%rsi), %xmm3
-	sbb	$0xffff, %edx
-	movdqa	48(%rsi), %xmm0
-	palignr	$4, 32(%rsi), %xmm0
-	pcmpeqb	32(%rdi), %xmm0
-	lea	32(%rsi), %rsi
-	pcmpeqb	48(%rdi), %xmm3
-
-	lea	32(%rdi), %rdi
-	jz	L(shr_4_gobble_loop)
-	pand	%xmm0, %xmm3
-
-	cmp	$0, %rcx
-	jge	L(shr_4_gobble_next)
-	inc	%edx
-	add	$32, %rcx
-L(shr_4_gobble_next):
-	test	%edx, %edx
-	jnz	L(exit)
-
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-
-	lea	4(%rsi), %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-# ifndef USE_AS_WMEMCMP
-
-	.p2align 4
-L(shr_5):
-	cmp	$80, %rcx
-	lea	-48(%rcx), %rcx
-	mov	%edx, %eax
-	jae	L(shr_5_gobble)
-
-	movdqa	16(%rsi), %xmm1
-	movdqa	%xmm1, %xmm2
-	palignr	$5, (%rsi), %xmm1
-	pcmpeqb	(%rdi), %xmm1
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$5, %xmm2, %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-	pand	%xmm1, %xmm3
-	pmovmskb %xmm3, %edx
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-	add	$5, %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_5_gobble):
-	sub	$32, %rcx
-	movdqa	16(%rsi), %xmm0
-	palignr	$5, (%rsi), %xmm0
-	pcmpeqb	(%rdi), %xmm0
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$5, 16(%rsi), %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-L(shr_5_gobble_loop):
-	pand	%xmm0, %xmm3
-	sub	$32, %rcx
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-
-	movdqa	64(%rsi), %xmm3
-	palignr	$5, 48(%rsi), %xmm3
-	sbb	$0xffff, %edx
-	movdqa	48(%rsi), %xmm0
-	palignr	$5, 32(%rsi), %xmm0
-	pcmpeqb	32(%rdi), %xmm0
-	lea	32(%rsi), %rsi
-	pcmpeqb	48(%rdi), %xmm3
-
-	lea	32(%rdi), %rdi
-	jz	L(shr_5_gobble_loop)
-	pand	%xmm0, %xmm3
-
-	cmp	$0, %rcx
-	jge	L(shr_5_gobble_next)
-	inc	%edx
-	add	$32, %rcx
-L(shr_5_gobble_next):
-	test	%edx, %edx
-	jnz	L(exit)
-
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-
-	lea	5(%rsi), %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_6):
-	cmp	$80, %rcx
-	lea	-48(%rcx), %rcx
-	mov	%edx, %eax
-	jae	L(shr_6_gobble)
-
-	movdqa	16(%rsi), %xmm1
-	movdqa	%xmm1, %xmm2
-	palignr	$6, (%rsi), %xmm1
-	pcmpeqb	(%rdi), %xmm1
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$6, %xmm2, %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-	pand	%xmm1, %xmm3
-	pmovmskb %xmm3, %edx
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-	add	$6, %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_6_gobble):
-	sub	$32, %rcx
-	movdqa	16(%rsi), %xmm0
-	palignr	$6, (%rsi), %xmm0
-	pcmpeqb	(%rdi), %xmm0
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$6, 16(%rsi), %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-L(shr_6_gobble_loop):
-	pand	%xmm0, %xmm3
-	sub	$32, %rcx
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-
-	movdqa	64(%rsi), %xmm3
-	palignr	$6, 48(%rsi), %xmm3
-	sbb	$0xffff, %edx
-	movdqa	48(%rsi), %xmm0
-	palignr	$6, 32(%rsi), %xmm0
-	pcmpeqb	32(%rdi), %xmm0
-	lea	32(%rsi), %rsi
-	pcmpeqb	48(%rdi), %xmm3
-
-	lea	32(%rdi), %rdi
-	jz	L(shr_6_gobble_loop)
-	pand	%xmm0, %xmm3
-
-	cmp	$0, %rcx
-	jge	L(shr_6_gobble_next)
-	inc	%edx
-	add	$32, %rcx
-L(shr_6_gobble_next):
-	test	%edx, %edx
-	jnz	L(exit)
-
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-
-	lea	6(%rsi), %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_7):
-	cmp	$80, %rcx
-	lea	-48(%rcx), %rcx
-	mov	%edx, %eax
-	jae	L(shr_7_gobble)
-
-	movdqa	16(%rsi), %xmm1
-	movdqa	%xmm1, %xmm2
-	palignr	$7, (%rsi), %xmm1
-	pcmpeqb	(%rdi), %xmm1
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$7, %xmm2, %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-	pand	%xmm1, %xmm3
-	pmovmskb %xmm3, %edx
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-	add	$7, %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_7_gobble):
-	sub	$32, %rcx
-	movdqa	16(%rsi), %xmm0
-	palignr	$7, (%rsi), %xmm0
-	pcmpeqb	(%rdi), %xmm0
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$7, 16(%rsi), %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-L(shr_7_gobble_loop):
-	pand	%xmm0, %xmm3
-	sub	$32, %rcx
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-
-	movdqa	64(%rsi), %xmm3
-	palignr	$7, 48(%rsi), %xmm3
-	sbb	$0xffff, %edx
-	movdqa	48(%rsi), %xmm0
-	palignr	$7, 32(%rsi), %xmm0
-	pcmpeqb	32(%rdi), %xmm0
-	lea	32(%rsi), %rsi
-	pcmpeqb	48(%rdi), %xmm3
-
-	lea	32(%rdi), %rdi
-	jz	L(shr_7_gobble_loop)
-	pand	%xmm0, %xmm3
-
-	cmp	$0, %rcx
-	jge	L(shr_7_gobble_next)
-	inc	%edx
-	add	$32, %rcx
-L(shr_7_gobble_next):
-	test	%edx, %edx
-	jnz	L(exit)
-
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-
-	lea	7(%rsi), %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-# endif
-
-	.p2align 4
-L(shr_8):
-	cmp	$80, %rcx
-	lea	-48(%rcx), %rcx
-	mov	%edx, %eax
-	jae	L(shr_8_gobble)
-
-	movdqa	16(%rsi), %xmm1
-	movdqa	%xmm1, %xmm2
-	palignr	$8, (%rsi), %xmm1
-	pcmpeqb	(%rdi), %xmm1
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$8, %xmm2, %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-	pand	%xmm1, %xmm3
-	pmovmskb %xmm3, %edx
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-	add	$8, %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-	.p2align 4
-L(shr_8_gobble):
-	sub	$32, %rcx
-	movdqa	16(%rsi), %xmm0
-	palignr	$8, (%rsi), %xmm0
-	pcmpeqb	(%rdi), %xmm0
-
-	movdqa	32(%rsi), %xmm3
-	palignr	$8, 16(%rsi), %xmm3
-	pcmpeqb	16(%rdi), %xmm3
-
-L(shr_8_gobble_loop):
-	pand	%xmm0, %xmm3
-	sub	$32, %rcx
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-
-	movdqa	64(%rsi), %xmm3
-	palignr	$8, 48(%rsi), %xmm3
-	sbb	$0xffff, %edx
-	movdqa	48(%rsi), %xmm0
-	palignr	$8, 32(%rsi), %xmm0
-	pcmpeqb	32(%rdi), %xmm0
-	lea	32(%rsi), %rsi
-	pcmpeqb	48(%rdi), %xmm3
-
-	lea	32(%rdi), %rdi
-	jz	L(shr_8_gobble_loop)
-	pand	%xmm0, %xmm3
-
-	cmp	$0, %rcx
-	jge	L(shr_8_gobble_next)
-	inc	%edx
-	add	$32, %rcx
-L(shr_8_gobble_next):
-	test	%edx, %edx
-	jnz	L(exit)
-
-	pmovmskb %xmm3, %edx
-	movdqa	%xmm0, %xmm1
-	lea	32(%rdi), %rdi
-	lea	32(%rsi), %rsi
-	sub	$0xffff, %edx
-	jnz	L(exit)
-
-	lea	8(%rsi), %rsi
-	add	%rcx, %rsi
-	add	%rcx, %rdi
-	jmp	L(less48bytes)
-
-# ifndef USE_AS_WMEMCMP
-
-	.p2align 4
-L(shr_9):
-	cmp	$80, %rcx
-	lea	-48(%rcx), %rcx
-	mov	%edx, %eax
-	jae	L(shr_9_gobble)