diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/memcpy-avx512-no-vzeroupper.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/memcpy-avx512-no-vzeroupper.S | 408 |
1 files changed, 0 insertions, 408 deletions
diff --git a/sysdeps/x86_64/multiarch/memcpy-avx512-no-vzeroupper.S b/sysdeps/x86_64/multiarch/memcpy-avx512-no-vzeroupper.S deleted file mode 100644 index 1bb12e81b0..0000000000 --- a/sysdeps/x86_64/multiarch/memcpy-avx512-no-vzeroupper.S +++ /dev/null @@ -1,408 +0,0 @@ -/* memcpy optimized with AVX512 for KNL hardware. - Copyright (C) 2016 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 defined HAVE_AVX512_ASM_SUPPORT && IS_IN (libc) \ - && (defined SHARED \ - || defined USE_AS_MEMMOVE \ - || !defined USE_MULTIARCH) - -#include "asm-syntax.h" -#ifndef MEMCPY -# define MEMCPY __memcpy_avx512_no_vzeroupper -# define MEMCPY_CHK __memcpy_chk_avx512_no_vzeroupper -#endif - - .section .text,"ax",@progbits -#if !defined USE_AS_BCOPY -ENTRY (MEMCPY_CHK) - cmpq %rdx, %rcx - jb HIDDEN_JUMPTARGET (__chk_fail) -END (MEMCPY_CHK) -#endif - -ENTRY (MEMCPY) - mov %rdi, %rax -#ifdef USE_AS_MEMPCPY - add %rdx, %rax -#endif - lea (%rsi, %rdx), %rcx - lea (%rdi, %rdx), %r9 - cmp $512, %rdx - ja L(512bytesormore) - -L(check): - cmp $16, %rdx - jbe L(less_16bytes) - cmp $256, %rdx - jb L(less_256bytes) - vmovups (%rsi), %zmm0 - vmovups 0x40(%rsi), %zmm1 - vmovups 0x80(%rsi), %zmm2 - vmovups 0xC0(%rsi), %zmm3 - vmovups -0x100(%rcx), %zmm4 - vmovups -0xC0(%rcx), %zmm5 - vmovups -0x80(%rcx), %zmm6 - vmovups -0x40(%rcx), %zmm7 - vmovups %zmm0, (%rdi) - vmovups %zmm1, 0x40(%rdi) - vmovups %zmm2, 0x80(%rdi) - vmovups %zmm3, 0xC0(%rdi) - vmovups %zmm4, -0x100(%r9) - vmovups %zmm5, -0xC0(%r9) - vmovups %zmm6, -0x80(%r9) - vmovups %zmm7, -0x40(%r9) - ret - -L(less_256bytes): - cmp $128, %dl - jb L(less_128bytes) - vmovups (%rsi), %zmm0 - vmovups 0x40(%rsi), %zmm1 - vmovups -0x80(%rcx), %zmm2 - vmovups -0x40(%rcx), %zmm3 - vmovups %zmm0, (%rdi) - vmovups %zmm1, 0x40(%rdi) - vmovups %zmm2, -0x80(%r9) - vmovups %zmm3, -0x40(%r9) - ret - -L(less_128bytes): - cmp $64, %dl - jb L(less_64bytes) - vmovdqu (%rsi), %ymm0 - vmovdqu 0x20(%rsi), %ymm1 - vmovdqu -0x40(%rcx), %ymm2 - vmovdqu -0x20(%rcx), %ymm3 - vmovdqu %ymm0, (%rdi) - vmovdqu %ymm1, 0x20(%rdi) - vmovdqu %ymm2, -0x40(%r9) - vmovdqu %ymm3, -0x20(%r9) - ret - -L(less_64bytes): - cmp $32, %dl - jb L(less_32bytes) - vmovdqu (%rsi), %ymm0 - vmovdqu -0x20(%rcx), %ymm1 - vmovdqu %ymm0, (%rdi) - vmovdqu %ymm1, -0x20(%r9) - ret - -L(less_32bytes): - vmovdqu (%rsi), %xmm0 - vmovdqu -0x10(%rcx), %xmm1 - vmovdqu %xmm0, (%rdi) - vmovdqu %xmm1, -0x10(%r9) - ret - -L(less_16bytes): - cmp $8, %dl - jb L(less_8bytes) - movq (%rsi), %rsi - movq -0x8(%rcx), %rcx - movq %rsi, (%rdi) - movq %rcx, -0x8(%r9) - ret - -L(less_8bytes): - cmp $4, %dl - jb L(less_4bytes) - mov (%rsi), %esi - mov -0x4(%rcx), %ecx - mov %esi, (%rdi) - mov %ecx, -0x4(%r9) - ret - -L(less_4bytes): - cmp $2, %dl - jb L(less_2bytes) - mov (%rsi), %si - mov -0x2(%rcx), %cx - mov %si, (%rdi) - mov %cx, -0x2(%r9) - ret - -L(less_2bytes): - cmp $1, %dl - jb L(less_1bytes) - mov (%rsi), %cl - mov %cl, (%rdi) -L(less_1bytes): - ret - -L(512bytesormore): -#ifdef SHARED_CACHE_SIZE_HALF - mov $SHARED_CACHE_SIZE_HALF, %r8 -#else - mov __x86_shared_cache_size_half(%rip), %r8 -#endif - cmp %r8, %rdx - jae L(preloop_large) - cmp $1024, %rdx - ja L(1024bytesormore) - prefetcht1 (%rsi) - prefetcht1 0x40(%rsi) - prefetcht1 0x80(%rsi) - prefetcht1 0xC0(%rsi) - prefetcht1 0x100(%rsi) - prefetcht1 0x140(%rsi) - prefetcht1 0x180(%rsi) - prefetcht1 0x1C0(%rsi) - prefetcht1 -0x200(%rcx) - prefetcht1 -0x1C0(%rcx) - prefetcht1 -0x180(%rcx) - prefetcht1 -0x140(%rcx) - prefetcht1 -0x100(%rcx) - prefetcht1 -0xC0(%rcx) - prefetcht1 -0x80(%rcx) - prefetcht1 -0x40(%rcx) - vmovups (%rsi), %zmm0 - vmovups 0x40(%rsi), %zmm1 - vmovups 0x80(%rsi), %zmm2 - vmovups 0xC0(%rsi), %zmm3 - vmovups 0x100(%rsi), %zmm4 - vmovups 0x140(%rsi), %zmm5 - vmovups 0x180(%rsi), %zmm6 - vmovups 0x1C0(%rsi), %zmm7 - vmovups -0x200(%rcx), %zmm8 - vmovups -0x1C0(%rcx), %zmm9 - vmovups -0x180(%rcx), %zmm10 - vmovups -0x140(%rcx), %zmm11 - vmovups -0x100(%rcx), %zmm12 - vmovups -0xC0(%rcx), %zmm13 - vmovups -0x80(%rcx), %zmm14 - vmovups -0x40(%rcx), %zmm15 - vmovups %zmm0, (%rdi) - vmovups %zmm1, 0x40(%rdi) - vmovups %zmm2, 0x80(%rdi) - vmovups %zmm3, 0xC0(%rdi) - vmovups %zmm4, 0x100(%rdi) - vmovups %zmm5, 0x140(%rdi) - vmovups %zmm6, 0x180(%rdi) - vmovups %zmm7, 0x1C0(%rdi) - vmovups %zmm8, -0x200(%r9) - vmovups %zmm9, -0x1C0(%r9) - vmovups %zmm10, -0x180(%r9) - vmovups %zmm11, -0x140(%r9) - vmovups %zmm12, -0x100(%r9) - vmovups %zmm13, -0xC0(%r9) - vmovups %zmm14, -0x80(%r9) - vmovups %zmm15, -0x40(%r9) - ret - -L(1024bytesormore): - cmp %rsi, %rdi - ja L(1024bytesormore_bkw) - sub $512, %r9 - vmovups -0x200(%rcx), %zmm8 - vmovups -0x1C0(%rcx), %zmm9 - vmovups -0x180(%rcx), %zmm10 - vmovups -0x140(%rcx), %zmm11 - vmovups -0x100(%rcx), %zmm12 - vmovups -0xC0(%rcx), %zmm13 - vmovups -0x80(%rcx), %zmm14 - vmovups -0x40(%rcx), %zmm15 - prefetcht1 (%rsi) - prefetcht1 0x40(%rsi) - prefetcht1 0x80(%rsi) - prefetcht1 0xC0(%rsi) - prefetcht1 0x100(%rsi) - prefetcht1 0x140(%rsi) - prefetcht1 0x180(%rsi) - prefetcht1 0x1C0(%rsi) - -/* Loop with unaligned memory access. */ -L(gobble_512bytes_loop): - vmovups (%rsi), %zmm0 - vmovups 0x40(%rsi), %zmm1 - vmovups 0x80(%rsi), %zmm2 - vmovups 0xC0(%rsi), %zmm3 - vmovups 0x100(%rsi), %zmm4 - vmovups 0x140(%rsi), %zmm5 - vmovups 0x180(%rsi), %zmm6 - vmovups 0x1C0(%rsi), %zmm7 - add $512, %rsi - prefetcht1 (%rsi) - prefetcht1 0x40(%rsi) - prefetcht1 0x80(%rsi) - prefetcht1 0xC0(%rsi) - prefetcht1 0x100(%rsi) - prefetcht1 0x140(%rsi) - prefetcht1 0x180(%rsi) - prefetcht1 0x1C0(%rsi) - vmovups %zmm0, (%rdi) - vmovups %zmm1, 0x40(%rdi) - vmovups %zmm2, 0x80(%rdi) - vmovups %zmm3, 0xC0(%rdi) - vmovups %zmm4, 0x100(%rdi) - vmovups %zmm5, 0x140(%rdi) - vmovups %zmm6, 0x180(%rdi) - vmovups %zmm7, 0x1C0(%rdi) - add $512, %rdi - cmp %r9, %rdi - jb L(gobble_512bytes_loop) - vmovups %zmm8, (%r9) - vmovups %zmm9, 0x40(%r9) - vmovups %zmm10, 0x80(%r9) - vmovups %zmm11, 0xC0(%r9) - vmovups %zmm12, 0x100(%r9) - vmovups %zmm13, 0x140(%r9) - vmovups %zmm14, 0x180(%r9) - vmovups %zmm15, 0x1C0(%r9) - ret - -L(1024bytesormore_bkw): - add $512, %rdi - vmovups 0x1C0(%rsi), %zmm8 - vmovups 0x180(%rsi), %zmm9 - vmovups 0x140(%rsi), %zmm10 - vmovups 0x100(%rsi), %zmm11 - vmovups 0xC0(%rsi), %zmm12 - vmovups 0x80(%rsi), %zmm13 - vmovups 0x40(%rsi), %zmm14 - vmovups (%rsi), %zmm15 - prefetcht1 -0x40(%rcx) - prefetcht1 -0x80(%rcx) - prefetcht1 -0xC0(%rcx) - prefetcht1 -0x100(%rcx) - prefetcht1 -0x140(%rcx) - prefetcht1 -0x180(%rcx) - prefetcht1 -0x1C0(%rcx) - prefetcht1 -0x200(%rcx) - -/* Backward loop with unaligned memory access. */ -L(gobble_512bytes_loop_bkw): - vmovups -0x40(%rcx), %zmm0 - vmovups -0x80(%rcx), %zmm1 - vmovups -0xC0(%rcx), %zmm2 - vmovups -0x100(%rcx), %zmm3 - vmovups -0x140(%rcx), %zmm4 - vmovups -0x180(%rcx), %zmm5 - vmovups -0x1C0(%rcx), %zmm6 - vmovups -0x200(%rcx), %zmm7 - sub $512, %rcx - prefetcht1 -0x40(%rcx) - prefetcht1 -0x80(%rcx) - prefetcht1 -0xC0(%rcx) - prefetcht1 -0x100(%rcx) - prefetcht1 -0x140(%rcx) - prefetcht1 -0x180(%rcx) - prefetcht1 -0x1C0(%rcx) - prefetcht1 -0x200(%rcx) - vmovups %zmm0, -0x40(%r9) - vmovups %zmm1, -0x80(%r9) - vmovups %zmm2, -0xC0(%r9) - vmovups %zmm3, -0x100(%r9) - vmovups %zmm4, -0x140(%r9) - vmovups %zmm5, -0x180(%r9) - vmovups %zmm6, -0x1C0(%r9) - vmovups %zmm7, -0x200(%r9) - sub $512, %r9 - cmp %rdi, %r9 - ja L(gobble_512bytes_loop_bkw) - vmovups %zmm8, -0x40(%rdi) - vmovups %zmm9, -0x80(%rdi) - vmovups %zmm10, -0xC0(%rdi) - vmovups %zmm11, -0x100(%rdi) - vmovups %zmm12, -0x140(%rdi) - vmovups %zmm13, -0x180(%rdi) - vmovups %zmm14, -0x1C0(%rdi) - vmovups %zmm15, -0x200(%rdi) - ret - -L(preloop_large): - cmp %rsi, %rdi - ja L(preloop_large_bkw) - vmovups (%rsi), %zmm4 - vmovups 0x40(%rsi), %zmm5 - -/* Align destination for access with non-temporal stores in the loop. */ - mov %rdi, %r8 - and $-0x80, %rdi - add $0x80, %rdi - sub %rdi, %r8 - sub %r8, %rsi - add %r8, %rdx -L(gobble_256bytes_nt_loop): - prefetcht1 0x200(%rsi) - prefetcht1 0x240(%rsi) - prefetcht1 0x280(%rsi) - prefetcht1 0x2C0(%rsi) - prefetcht1 0x300(%rsi) - prefetcht1 0x340(%rsi) - prefetcht1 0x380(%rsi) - prefetcht1 0x3C0(%rsi) - vmovdqu64 (%rsi), %zmm0 - vmovdqu64 0x40(%rsi), %zmm1 - vmovdqu64 0x80(%rsi), %zmm2 - vmovdqu64 0xC0(%rsi), %zmm3 - vmovntdq %zmm0, (%rdi) - vmovntdq %zmm1, 0x40(%rdi) - vmovntdq %zmm2, 0x80(%rdi) - vmovntdq %zmm3, 0xC0(%rdi) - sub $256, %rdx - add $256, %rsi - add $256, %rdi - cmp $256, %rdx - ja L(gobble_256bytes_nt_loop) - sfence - vmovups %zmm4, (%rax) - vmovups %zmm5, 0x40(%rax) - jmp L(check) - -L(preloop_large_bkw): - vmovups -0x80(%rcx), %zmm4 - vmovups -0x40(%rcx), %zmm5 - -/* Align end of destination for access with non-temporal stores. */ - mov %r9, %r8 - and $-0x80, %r9 - sub %r9, %r8 - sub %r8, %rcx - sub %r8, %rdx - add %r9, %r8 -L(gobble_256bytes_nt_loop_bkw): - prefetcht1 -0x400(%rcx) - prefetcht1 -0x3C0(%rcx) - prefetcht1 -0x380(%rcx) - prefetcht1 -0x340(%rcx) - prefetcht1 -0x300(%rcx) - prefetcht1 -0x2C0(%rcx) - prefetcht1 -0x280(%rcx) - prefetcht1 -0x240(%rcx) - vmovdqu64 -0x100(%rcx), %zmm0 - vmovdqu64 -0xC0(%rcx), %zmm1 - vmovdqu64 -0x80(%rcx), %zmm2 - vmovdqu64 -0x40(%rcx), %zmm3 - vmovntdq %zmm0, -0x100(%r9) - vmovntdq %zmm1, -0xC0(%r9) - vmovntdq %zmm2, -0x80(%r9) - vmovntdq %zmm3, -0x40(%r9) - sub $256, %rdx - sub $256, %rcx - sub $256, %r9 - cmp $256, %rdx - ja L(gobble_256bytes_nt_loop_bkw) - sfence - vmovups %zmm4, -0x80(%r8) - vmovups %zmm5, -0x40(%r8) - jmp L(check) -END (MEMCPY) -#endif |