diff options
Diffstat (limited to 'sysdeps/i386/i686/multiarch/wcslen-sse2.S')
| -rw-r--r-- | sysdeps/i386/i686/multiarch/wcslen-sse2.S | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/sysdeps/i386/i686/multiarch/wcslen-sse2.S b/sysdeps/i386/i686/multiarch/wcslen-sse2.S deleted file mode 100644 index bd3fc4c79b..0000000000 --- a/sysdeps/i386/i686/multiarch/wcslen-sse2.S +++ /dev/null @@ -1,193 +0,0 @@ -/* wcslen with SSE2 - 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 STR 4 - - .text -ENTRY (__wcslen_sse2) - mov STR(%esp), %edx - - cmp $0, (%edx) - jz L(exit_tail0) - cmp $0, 4(%edx) - jz L(exit_tail1) - cmp $0, 8(%edx) - jz L(exit_tail2) - cmp $0, 12(%edx) - jz L(exit_tail3) - cmp $0, 16(%edx) - jz L(exit_tail4) - cmp $0, 20(%edx) - jz L(exit_tail5) - cmp $0, 24(%edx) - jz L(exit_tail6) - cmp $0, 28(%edx) - jz L(exit_tail7) - - pxor %xmm0, %xmm0 - - lea 32(%edx), %eax - lea 16(%edx), %ecx - and $-16, %eax - - pcmpeqd (%eax), %xmm0 - pmovmskb %xmm0, %edx - pxor %xmm1, %xmm1 - test %edx, %edx - lea 16(%eax), %eax - jnz L(exit) - - pcmpeqd (%eax), %xmm1 - pmovmskb %xmm1, %edx - pxor %xmm2, %xmm2 - test %edx, %edx - lea 16(%eax), %eax - jnz L(exit) - - pcmpeqd (%eax), %xmm2 - pmovmskb %xmm2, %edx - pxor %xmm3, %xmm3 - test %edx, %edx - lea 16(%eax), %eax - jnz L(exit) - - pcmpeqd (%eax), %xmm3 - pmovmskb %xmm3, %edx - test %edx, %edx - lea 16(%eax), %eax - jnz L(exit) - - and $-0x40, %eax - - .p2align 4 -L(aligned_64_loop): - movaps (%eax), %xmm0 - movaps 16(%eax), %xmm1 - movaps 32(%eax), %xmm2 - movaps 48(%eax), %xmm6 - - pminub %xmm1, %xmm0 - pminub %xmm6, %xmm2 - pminub %xmm0, %xmm2 - pcmpeqd %xmm3, %xmm2 - pmovmskb %xmm2, %edx - test %edx, %edx - lea 64(%eax), %eax - jz L(aligned_64_loop) - - pcmpeqd -64(%eax), %xmm3 - pmovmskb %xmm3, %edx - test %edx, %edx - lea 48(%ecx), %ecx - jnz L(exit) - - pcmpeqd %xmm1, %xmm3 - pmovmskb %xmm3, %edx - test %edx, %edx - lea -16(%ecx), %ecx - jnz L(exit) - - pcmpeqd -32(%eax), %xmm3 - pmovmskb %xmm3, %edx - test %edx, %edx - lea -16(%ecx), %ecx - jnz L(exit) - - pcmpeqd %xmm6, %xmm3 - pmovmskb %xmm3, %edx - test %edx, %edx - lea -16(%ecx), %ecx - jnz L(exit) - - jmp L(aligned_64_loop) - - .p2align 4 -L(exit): - sub %ecx, %eax - shr $2, %eax - test %dl, %dl - jz L(exit_high) - - mov %dl, %cl - and $15, %cl - jz L(exit_1) - ret - - .p2align 4 -L(exit_high): - mov %dh, %ch - and $15, %ch - jz L(exit_3) - add $2, %eax - ret - - .p2align 4 -L(exit_1): - add $1, %eax - ret - - .p2align 4 -L(exit_3): - add $3, %eax - ret - - .p2align 4 -L(exit_tail0): - xor %eax, %eax - ret - - .p2align 4 -L(exit_tail1): - mov $1, %eax - ret - - .p2align 4 -L(exit_tail2): - mov $2, %eax - ret - - .p2align 4 -L(exit_tail3): - mov $3, %eax - ret - - .p2align 4 -L(exit_tail4): - mov $4, %eax - ret - - .p2align 4 -L(exit_tail5): - mov $5, %eax - ret - - .p2align 4 -L(exit_tail6): - mov $6, %eax - ret - - .p2align 4 -L(exit_tail7): - mov $7, %eax - ret - -END (__wcslen_sse2) -#endif |