platform_bionic/libc/arch-x86/kabylake/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

148 lines
4 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
ENTRY(WMEMSET)
# BB#0:
pushl %ebp
pushl %ebx
pushl %edi
pushl %esi
pushl %eax
movl 32(%esp), %ecx
movl 24(%esp), %eax
testl %ecx, %ecx
je .LBB0_12
# BB#1:
movl 28(%esp), %edx
xorl %edi, %edi
movl %eax, %esi
cmpl $32, %ecx
jb .LBB0_10
# BB#2:
movl %ecx, %eax
andl $-32, %eax
vmovd %edx, %xmm0
vpbroadcastd %xmm0, %ymm0
movl %eax, (%esp) # 4-byte Spill
leal -32(%eax), %esi
movl %esi, %eax
shrl $5, %eax
leal 1(%eax), %edi
andl $7, %edi
xorl %ebx, %ebx
cmpl $224, %esi
jb .LBB0_5
# BB#3:
movl 24(%esp), %esi
leal 992(%esi), %ebp
leal -1(%edi), %esi
subl %eax, %esi
xorl %ebx, %ebx
.p2align 4, 0x90
.LBB0_4: # =>This Inner Loop Header: Depth=1
vmovdqu %ymm0, -992(%ebp,%ebx,4)
vmovdqu %ymm0, -960(%ebp,%ebx,4)
vmovdqu %ymm0, -928(%ebp,%ebx,4)
vmovdqu %ymm0, -896(%ebp,%ebx,4)
vmovdqu %ymm0, -864(%ebp,%ebx,4)
vmovdqu %ymm0, -832(%ebp,%ebx,4)
vmovdqu %ymm0, -800(%ebp,%ebx,4)
vmovdqu %ymm0, -768(%ebp,%ebx,4)
vmovdqu %ymm0, -736(%ebp,%ebx,4)
vmovdqu %ymm0, -704(%ebp,%ebx,4)
vmovdqu %ymm0, -672(%ebp,%ebx,4)
vmovdqu %ymm0, -640(%ebp,%ebx,4)
vmovdqu %ymm0, -608(%ebp,%ebx,4)
vmovdqu %ymm0, -576(%ebp,%ebx,4)
vmovdqu %ymm0, -544(%ebp,%ebx,4)
vmovdqu %ymm0, -512(%ebp,%ebx,4)
vmovdqu %ymm0, -480(%ebp,%ebx,4)
vmovdqu %ymm0, -448(%ebp,%ebx,4)
vmovdqu %ymm0, -416(%ebp,%ebx,4)
vmovdqu %ymm0, -384(%ebp,%ebx,4)
vmovdqu %ymm0, -352(%ebp,%ebx,4)
vmovdqu %ymm0, -320(%ebp,%ebx,4)
vmovdqu %ymm0, -288(%ebp,%ebx,4)
vmovdqu %ymm0, -256(%ebp,%ebx,4)
vmovdqu %ymm0, -224(%ebp,%ebx,4)
vmovdqu %ymm0, -192(%ebp,%ebx,4)
vmovdqu %ymm0, -160(%ebp,%ebx,4)
vmovdqu %ymm0, -128(%ebp,%ebx,4)
vmovdqu %ymm0, -96(%ebp,%ebx,4)
vmovdqu %ymm0, -64(%ebp,%ebx,4)
vmovdqu %ymm0, -32(%ebp,%ebx,4)
vmovdqu %ymm0, (%ebp,%ebx,4)
addl $256, %ebx # imm = 0x100
addl $8, %esi
jne .LBB0_4
.LBB0_5:
testl %edi, %edi
movl 24(%esp), %eax
je .LBB0_8
# BB#6:
leal (%eax,%ebx,4), %esi
addl $96, %esi
negl %edi
.p2align 4, 0x90
.LBB0_7: # =>This Inner Loop Header: Depth=1
vmovdqu %ymm0, -96(%esi)
vmovdqu %ymm0, -64(%esi)
vmovdqu %ymm0, -32(%esi)
vmovdqu %ymm0, (%esi)
subl $-128, %esi
addl $1, %edi
jne .LBB0_7
.LBB0_8:
movl (%esp), %edi # 4-byte Reload
cmpl %ecx, %edi
je .LBB0_12
# BB#9:
leal (%eax,%edi,4), %esi
.LBB0_10:
subl %edi, %ecx
.p2align 4, 0x90
.LBB0_11: # =>This Inner Loop Header: Depth=1
movl %edx, (%esi)
addl $4, %esi
addl $-1, %ecx
jne .LBB0_11
.LBB0_12:
addl $4, %esp
popl %esi
popl %edi
popl %ebx
popl %ebp
vzeroupper
retl
END(WMEMSET)