/* 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 #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)