diff options
Diffstat (limited to 'sysdeps/i386/i686/multiarch/wcschr-sse2.S')
| -rw-r--r-- | sysdeps/i386/i686/multiarch/wcschr-sse2.S | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/sysdeps/i386/i686/multiarch/wcschr-sse2.S b/sysdeps/i386/i686/multiarch/wcschr-sse2.S deleted file mode 100644 index 9ff6c3b8d6..0000000000 --- a/sysdeps/i386/i686/multiarch/wcschr-sse2.S +++ /dev/null @@ -1,219 +0,0 @@ -/* wcschr with SSE2, without using bsf instructions - Copyright (C) 2011-2017 Free Software Foundation, Inc. - Contributed by Intel Corporation. - 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/>. */ - -#if IS_IN (libc) -# include <sysdep.h> - -# define CFI_PUSH(REG) \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (REG, 0) - -# define CFI_POP(REG) \ - cfi_adjust_cfa_offset (-4); \ - cfi_restore (REG) - -# define PUSH(REG) pushl REG; CFI_PUSH (REG) -# define POP(REG) popl REG; CFI_POP (REG) - -# define PARMS 4 -# define STR1 PARMS -# define STR2 STR1+4 - - atom_text_section -ENTRY (__wcschr_sse2) - - mov STR1(%esp), %ecx - movd STR2(%esp), %xmm1 - - mov %ecx, %eax - punpckldq %xmm1, %xmm1 - pxor %xmm2, %xmm2 - punpckldq %xmm1, %xmm1 - - and $63, %eax - cmp $48, %eax - ja L(cross_cache) - - movdqu (%ecx), %xmm0 - pcmpeqd %xmm0, %xmm2 - pcmpeqd %xmm1, %xmm0 - pmovmskb %xmm2, %edx - pmovmskb %xmm0, %eax - or %eax, %edx - jnz L(matches) - and $-16, %ecx - jmp L(loop) - - .p2align 4 -L(cross_cache): - PUSH (%edi) - mov %ecx, %edi - mov %eax, %ecx - and $-16, %edi - and $15, %ecx - movdqa (%edi), %xmm0 - pcmpeqd %xmm0, %xmm2 - pcmpeqd %xmm1, %xmm0 - pmovmskb %xmm2, %edx - pmovmskb %xmm0, %eax - - sarl %cl, %edx - sarl %cl, %eax - test %eax, %eax - jz L(unaligned_no_match) - - add %edi, %ecx - POP (%edi) - - test %edx, %edx - jz L(match_case1) - test %al, %al - jz L(match_higth_case2) - test $15, %al - jnz L(match_case2_4) - test $15, %dl - jnz L(return_null) - lea 4(%ecx), %eax - ret - - CFI_PUSH (%edi) - - .p2align 4 -L(unaligned_no_match): - mov %edi, %ecx - POP (%edi) - - test %edx, %edx - jnz L(return_null) - - pxor %xmm2, %xmm2 - -/* Loop start on aligned string. */ - .p2align 4 -L(loop): - add $16, %ecx - movdqa (%ecx), %xmm0 - pcmpeqd %xmm0, %xmm2 - pcmpeqd %xmm1, %xmm0 - pmovmskb %xmm2, %edx - pmovmskb %xmm0, %eax - or %eax, %edx - jnz L(matches) - add $16, %ecx - - movdqa (%ecx), %xmm0 - pcmpeqd %xmm0, %xmm2 - pcmpeqd %xmm1, %xmm0 - pmovmskb %xmm2, %edx - pmovmskb %xmm0, %eax - or %eax, %edx - jnz L(matches) - add $16, %ecx - - movdqa (%ecx), %xmm0 - pcmpeqd %xmm0, %xmm2 - pcmpeqd %xmm1, %xmm0 - pmovmskb %xmm2, %edx - pmovmskb %xmm0, %eax - or %eax, %edx - jnz L(matches) - add $16, %ecx - - movdqa (%ecx), %xmm0 - pcmpeqd %xmm0, %xmm2 - pcmpeqd %xmm1, %xmm0 - pmovmskb %xmm2, %edx - pmovmskb %xmm0, %eax - or %eax, %edx - jz L(loop) - - .p2align 4 -L(matches): - pmovmskb %xmm2, %edx - test %eax, %eax - jz L(return_null) - test %edx, %edx - jz L(match_case1) - - .p2align 4 -L(match_case2): - test %al, %al - jz L(match_higth_case2) - test $15, %al - jnz L(match_case2_4) - test $15, %dl - jnz L(return_null) - lea 4(%ecx), %eax - ret - - .p2align 4 -L(match_case2_4): - mov %ecx, %eax - ret - - .p2align 4 -L(match_higth_case2): - test %dl, %dl - jnz L(return_null) - test $15, %ah - jnz L(match_case2_12) - test $15, %dh - jnz L(return_null) - lea 12(%ecx), %eax - ret - - .p2align 4 -L(match_case2_12): - lea 8(%ecx), %eax - ret - - .p2align 4 -L(match_case1): - test %al, %al - jz L(match_higth_case1) - - test $0x01, %al - jnz L(exit0) - lea 4(%ecx), %eax - ret - - .p2align 4 -L(match_higth_case1): - test $0x01, %ah - jnz L(exit3) - lea 12(%ecx), %eax - ret - - .p2align 4 -L(exit0): - mov %ecx, %eax - ret - - .p2align 4 -L(exit3): - lea 8(%ecx), %eax - ret - - .p2align 4 -L(return_null): - xor %eax, %eax - ret - -END (__wcschr_sse2) -#endif |