2 Copyright (C) 2010 Free Software Foundation, Inc.
3 Contributed by Intel Corporation.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 #include "asm-syntax.h"
26 #define CFI_PUSH(REG) \
27 cfi_adjust_cfa_offset (4); \
28 cfi_rel_offset (REG, 0)
30 #define CFI_POP(REG) \
31 cfi_adjust_cfa_offset (-4); \
34 #define PUSH(REG) pushl REG; CFI_PUSH (REG)
35 #define POP(REG) popl REG; CFI_POP (REG)
37 #ifndef USE_AS_STRNCMP
39 # define STRCMP __strcmp_sse4_2
45 # define STRCMP __strncmp_sse4_2
52 .section .text.sse4.2,"ax",@progbits
109 #ifdef USE_AS_STRNCMP
119 #ifdef USE_AS_STRNCMP
129 #ifdef USE_AS_STRNCMP
139 #ifdef USE_AS_STRNCMP
149 #ifdef USE_AS_STRNCMP
159 #ifdef USE_AS_STRNCMP
169 #ifdef USE_AS_STRNCMP
189 lea -0xff0(%ecx), %edx
195 movdqu (%esi,%edx), %xmm2
196 movdqu (%edi,%edx), %xmm1
197 pcmpistri $0x1a, %xmm2, %xmm1
200 #ifdef USE_AS_STRNCMP
208 movzbl (%edi,%edx), %eax
209 movzbl (%esi,%edx), %ebx
214 #ifdef USE_AS_STRNCMP
227 #ifdef USE_AS_STRNCMP
231 lea (%ecx,%edx), %ebx
232 movzbl (%edi,%ebx), %eax
233 movzbl (%esi,%ebx), %ecx
239 #ifdef USE_AS_STRNCMP
244 #ifdef USE_AS_STRNCMP
252 #ifdef USE_AS_STRNCMP
261 #ifdef USE_AS_STRNCMP
267 add $0xfefefeff, %ecx
274 #ifdef USE_AS_STRNCMP
281 add $0xfefefeff, %ecx
288 #ifdef USE_AS_STRNCMP
303 #ifdef USE_AS_STRNCMP
313 #ifdef USE_AS_STRNCMP
324 #ifdef USE_AS_STRNCMP
335 #ifdef USE_AS_STRNCMP
346 #ifdef USE_AS_STRNCMP
356 #ifdef USE_AS_STRNCMP
366 #ifdef USE_AS_STRNCMP