diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/memset-avx2.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/memset-avx2.S | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/sysdeps/x86_64/multiarch/memset-avx2.S b/sysdeps/x86_64/multiarch/memset-avx2.S deleted file mode 100644 index 28eabade35..0000000000 --- a/sysdeps/x86_64/multiarch/memset-avx2.S +++ /dev/null @@ -1,168 +0,0 @@ -/* memset with AVX2 - Copyright (C) 2014-2015 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 - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> - -#if IS_IN (libc) - -#include "asm-syntax.h" -#ifndef MEMSET -# define MEMSET __memset_avx2 -# define MEMSET_CHK __memset_chk_avx2 -#endif - - .section .text.avx2,"ax",@progbits -#if defined PIC -ENTRY (MEMSET_CHK) - cmpq %rdx, %rcx - jb HIDDEN_JUMPTARGET (__chk_fail) -END (MEMSET_CHK) -#endif - -ENTRY (MEMSET) - vpxor %xmm0, %xmm0, %xmm0 - vmovd %esi, %xmm1 - lea (%rdi, %rdx), %rsi - mov %rdi, %rax - vpshufb %xmm0, %xmm1, %xmm0 - cmp $16, %rdx - jb L(less_16bytes) - cmp $256, %rdx - jae L(256bytesormore) - cmp $128, %dl - jb L(less_128bytes) - vmovdqu %xmm0, (%rdi) - vmovdqu %xmm0, 0x10(%rdi) - vmovdqu %xmm0, 0x20(%rdi) - vmovdqu %xmm0, 0x30(%rdi) - vmovdqu %xmm0, 0x40(%rdi) - vmovdqu %xmm0, 0x50(%rdi) - vmovdqu %xmm0, 0x60(%rdi) - vmovdqu %xmm0, 0x70(%rdi) - vmovdqu %xmm0, -0x80(%rsi) - vmovdqu %xmm0, -0x70(%rsi) - vmovdqu %xmm0, -0x60(%rsi) - vmovdqu %xmm0, -0x50(%rsi) - vmovdqu %xmm0, -0x40(%rsi) - vmovdqu %xmm0, -0x30(%rsi) - vmovdqu %xmm0, -0x20(%rsi) - vmovdqu %xmm0, -0x10(%rsi) - ret - - .p2align 4 -L(less_128bytes): - cmp $64, %dl - jb L(less_64bytes) - vmovdqu %xmm0, (%rdi) - vmovdqu %xmm0, 0x10(%rdi) - vmovdqu %xmm0, 0x20(%rdi) - vmovdqu %xmm0, 0x30(%rdi) - vmovdqu %xmm0, -0x40(%rsi) - vmovdqu %xmm0, -0x30(%rsi) - vmovdqu %xmm0, -0x20(%rsi) - vmovdqu %xmm0, -0x10(%rsi) - ret - - .p2align 4 -L(less_64bytes): - cmp $32, %dl - jb L(less_32bytes) - vmovdqu %xmm0, (%rdi) - vmovdqu %xmm0, 0x10(%rdi) - vmovdqu %xmm0, -0x20(%rsi) - vmovdqu %xmm0, -0x10(%rsi) - ret - - .p2align 4 -L(less_32bytes): - vmovdqu %xmm0, (%rdi) - vmovdqu %xmm0, -0x10(%rsi) - ret - - .p2align 4 -L(less_16bytes): - cmp $8, %dl - jb L(less_8bytes) - vmovq %xmm0, (%rdi) - vmovq %xmm0, -0x08(%rsi) - ret - - .p2align 4 -L(less_8bytes): - vmovd %xmm0, %ecx - cmp $4, %dl - jb L(less_4bytes) - mov %ecx, (%rdi) - mov %ecx, -0x04(%rsi) - ret - - .p2align 4 -L(less_4bytes): - cmp $2, %dl - jb L(less_2bytes) - mov %cx, (%rdi) - mov %cx, -0x02(%rsi) - ret - - .p2align 4 -L(less_2bytes): - cmp $1, %dl - jb L(less_1bytes) - mov %cl, (%rdi) -L(less_1bytes): - ret - - .p2align 4 -L(256bytesormore): - vinserti128 $1, %xmm0, %ymm0, %ymm0 - and $-0x20, %rdi - add $0x20, %rdi - vmovdqu %ymm0, (%rax) - sub %rdi, %rax - lea -0x80(%rax, %rdx), %rcx - cmp $4096, %rcx - ja L(gobble_data) -L(gobble_128_loop): - vmovdqa %ymm0, (%rdi) - vmovdqa %ymm0, 0x20(%rdi) - vmovdqa %ymm0, 0x40(%rdi) - vmovdqa %ymm0, 0x60(%rdi) - sub $-0x80, %rdi - add $-0x80, %ecx - jb L(gobble_128_loop) - mov %rsi, %rax - vmovdqu %ymm0, -0x80(%rsi) - vmovdqu %ymm0, -0x60(%rsi) - vmovdqu %ymm0, -0x40(%rsi) - vmovdqu %ymm0, -0x20(%rsi) - sub %rdx, %rax - vzeroupper - ret - - .p2align 4 -L(gobble_data): - sub $-0x80, %rcx - vmovd %xmm0, %eax - rep stosb - mov %rsi, %rax - sub %rdx, %rax - vzeroupper - ret - -END (MEMSET) -#endif |