platform_bionic/libc/arch-x86_64/string/avx2-wmemset-kbl.S
Shalini Salomi Bodapati 4ed2f475d8 Add avx2 version of wmemset in binoic
Test: ./tests/run-on-host.sh 64
Change-Id: Id2f696cc60a10c01846ca3fe0d3a5d513020afe3
Signed-off-by: Shalini Salomi Bodapati <shalini.salomi.bodapati@intel.com>
2019-07-16 18:06:57 +05:30

140 lines
3.8 KiB
ArmAsm

/*
Copyright (C) 2019 The Android Open Source Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/
#include <private/bionic_asm.h>
#ifndef WMEMSET
#define WMEMSET wmemset_avx2
#endif
.section .text.avx2,"ax",@progbits
ENTRY (WMEMSET)
# BB#0:
testq %rdx, %rdx
je .LBB0_14
# BB#1:
cmpq $32, %rdx
jae .LBB0_3
# BB#2:
xorl %r8d, %r8d
movq %rdi, %rax
jmp .LBB0_12
.LBB0_3:
movq %rdx, %r8
andq $-32, %r8
vmovd %esi, %xmm0
vpbroadcastd %xmm0, %ymm0
leaq -32(%r8), %rcx
movq %rcx, %rax
shrq $5, %rax
leal 1(%rax), %r9d
andl $7, %r9d
cmpq $224, %rcx
jae .LBB0_5
# BB#4:
xorl %eax, %eax
testq %r9, %r9
jne .LBB0_8
jmp .LBB0_10
.LBB0_5:
leaq 992(%rdi), %rcx
leaq -1(%r9), %r10
subq %rax, %r10
xorl %eax, %eax
.p2align 4, 0x90
.LBB0_6: # =>This Inner Loop Header: Depth=1
vmovdqu %ymm0, -992(%rcx,%rax,4)
vmovdqu %ymm0, -960(%rcx,%rax,4)
vmovdqu %ymm0, -928(%rcx,%rax,4)
vmovdqu %ymm0, -896(%rcx,%rax,4)
vmovdqu %ymm0, -864(%rcx,%rax,4)
vmovdqu %ymm0, -832(%rcx,%rax,4)
vmovdqu %ymm0, -800(%rcx,%rax,4)
vmovdqu %ymm0, -768(%rcx,%rax,4)
vmovdqu %ymm0, -736(%rcx,%rax,4)
vmovdqu %ymm0, -704(%rcx,%rax,4)
vmovdqu %ymm0, -672(%rcx,%rax,4)
vmovdqu %ymm0, -640(%rcx,%rax,4)
vmovdqu %ymm0, -608(%rcx,%rax,4)
vmovdqu %ymm0, -576(%rcx,%rax,4)
vmovdqu %ymm0, -544(%rcx,%rax,4)
vmovdqu %ymm0, -512(%rcx,%rax,4)
vmovdqu %ymm0, -480(%rcx,%rax,4)
vmovdqu %ymm0, -448(%rcx,%rax,4)
vmovdqu %ymm0, -416(%rcx,%rax,4)
vmovdqu %ymm0, -384(%rcx,%rax,4)
vmovdqu %ymm0, -352(%rcx,%rax,4)
vmovdqu %ymm0, -320(%rcx,%rax,4)
vmovdqu %ymm0, -288(%rcx,%rax,4)
vmovdqu %ymm0, -256(%rcx,%rax,4)
vmovdqu %ymm0, -224(%rcx,%rax,4)
vmovdqu %ymm0, -192(%rcx,%rax,4)
vmovdqu %ymm0, -160(%rcx,%rax,4)
vmovdqu %ymm0, -128(%rcx,%rax,4)
vmovdqu %ymm0, -96(%rcx,%rax,4)
vmovdqu %ymm0, -64(%rcx,%rax,4)
vmovdqu %ymm0, -32(%rcx,%rax,4)
vmovdqu %ymm0, (%rcx,%rax,4)
addq $256, %rax # imm = 0x100
addq $8, %r10
jne .LBB0_6
# BB#7:
testq %r9, %r9
je .LBB0_10
.LBB0_8:
leaq (%rdi,%rax,4), %rax
addq $96, %rax
negq %r9
.p2align 4, 0x90
.LBB0_9: # =>This Inner Loop Header: Depth=1
vmovdqu %ymm0, -96(%rax)
vmovdqu %ymm0, -64(%rax)
vmovdqu %ymm0, -32(%rax)
vmovdqu %ymm0, (%rax)
subq $-128, %rax
addq $1, %r9
jne .LBB0_9
.LBB0_10:
cmpq %rdx, %r8
je .LBB0_14
# BB#11:
leaq (%rdi,%r8,4), %rax
.LBB0_12:
subq %r8, %rdx
.p2align 4, 0x90
.LBB0_13: # =>This Inner Loop Header: Depth=1
movl %esi, (%rax)
addq $4, %rax
addq $-1, %rdx
jne .LBB0_13
.LBB0_14:
movq %rdi, %rax
vzeroupper
retq
END(WMEMSET)