diff options
Diffstat (limited to 'media/libvpx/libvpx/vp8/encoder/x86/fwalsh_sse2.asm')
| -rw-r--r-- | media/libvpx/libvpx/vp8/encoder/x86/fwalsh_sse2.asm | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/encoder/x86/fwalsh_sse2.asm b/media/libvpx/libvpx/vp8/encoder/x86/fwalsh_sse2.asm new file mode 100644 index 0000000000..938fc173ff --- /dev/null +++ b/media/libvpx/libvpx/vp8/encoder/x86/fwalsh_sse2.asm @@ -0,0 +1,166 @@ +; +; Copyright (c) 2010 The WebM project authors. All Rights Reserved. +; +; Use of this source code is governed by a BSD-style license +; that can be found in the LICENSE file in the root of the source +; tree. An additional intellectual property rights grant can be found +; in the file PATENTS. All contributing project authors may +; be found in the AUTHORS file in the root of the source tree. +; + + +%include "vpx_ports/x86_abi_support.asm" + +SECTION .text + +;void vp8_short_walsh4x4_sse2(short *input, short *output, int pitch) +globalsym(vp8_short_walsh4x4_sse2) +sym(vp8_short_walsh4x4_sse2): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 3 + SAVE_XMM 7 + GET_GOT rbx + push rsi + push rdi + ; end prolog + + mov rsi, arg(0) ; input + mov rdi, arg(1) ; output + movsxd rdx, dword ptr arg(2) ; pitch + + ; first for loop + movq xmm0, MMWORD PTR [rsi] ; load input + movq xmm1, MMWORD PTR [rsi + rdx] + lea rsi, [rsi + rdx*2] + movq xmm2, MMWORD PTR [rsi] + movq xmm3, MMWORD PTR [rsi + rdx] + + punpcklwd xmm0, xmm1 + punpcklwd xmm2, xmm3 + + movdqa xmm1, xmm0 + punpckldq xmm0, xmm2 ; ip[1] ip[0] + punpckhdq xmm1, xmm2 ; ip[3] ip[2] + + movdqa xmm2, xmm0 + paddw xmm0, xmm1 + psubw xmm2, xmm1 + + psllw xmm0, 2 ; d1 a1 + psllw xmm2, 2 ; c1 b1 + + movdqa xmm1, xmm0 + punpcklqdq xmm0, xmm2 ; b1 a1 + punpckhqdq xmm1, xmm2 ; c1 d1 + + pxor xmm6, xmm6 + movq xmm6, xmm0 + pxor xmm7, xmm7 + pcmpeqw xmm7, xmm6 + paddw xmm7, [GLOBAL(c1)] + + movdqa xmm2, xmm0 + paddw xmm0, xmm1 ; b1+c1 a1+d1 + psubw xmm2, xmm1 ; b1-c1 a1-d1 + paddw xmm0, xmm7 ; b1+c1 a1+d1+(a1!=0) + + ; second for loop + ; input: 13 9 5 1 12 8 4 0 (xmm0) + ; 14 10 6 2 15 11 7 3 (xmm2) + ; after shuffle: + ; 13 5 9 1 12 4 8 0 (xmm0) + ; 14 6 10 2 15 7 11 3 (xmm1) + pshuflw xmm3, xmm0, 0xd8 + pshufhw xmm0, xmm3, 0xd8 + pshuflw xmm3, xmm2, 0xd8 + pshufhw xmm1, xmm3, 0xd8 + + movdqa xmm2, xmm0 + pmaddwd xmm0, [GLOBAL(c1)] ; d11 a11 d10 a10 + pmaddwd xmm2, [GLOBAL(cn1)] ; c11 b11 c10 b10 + movdqa xmm3, xmm1 + pmaddwd xmm1, [GLOBAL(c1)] ; d12 a12 d13 a13 + pmaddwd xmm3, [GLOBAL(cn1)] ; c12 b12 c13 b13 + + pshufd xmm4, xmm0, 0xd8 ; d11 d10 a11 a10 + pshufd xmm5, xmm2, 0xd8 ; c11 c10 b11 b10 + pshufd xmm6, xmm1, 0x72 ; d13 d12 a13 a12 + pshufd xmm7, xmm3, 0x72 ; c13 c12 b13 b12 + + movdqa xmm0, xmm4 + punpcklqdq xmm0, xmm5 ; b11 b10 a11 a10 + punpckhqdq xmm4, xmm5 ; c11 c10 d11 d10 + movdqa xmm1, xmm6 + punpcklqdq xmm1, xmm7 ; b13 b12 a13 a12 + punpckhqdq xmm6, xmm7 ; c13 c12 d13 d12 + + movdqa xmm2, xmm0 + paddd xmm0, xmm4 ; b21 b20 a21 a20 + psubd xmm2, xmm4 ; c21 c20 d21 d20 + movdqa xmm3, xmm1 + paddd xmm1, xmm6 ; b23 b22 a23 a22 + psubd xmm3, xmm6 ; c23 c22 d23 d22 + + pxor xmm4, xmm4 + movdqa xmm5, xmm4 + pcmpgtd xmm4, xmm0 + pcmpgtd xmm5, xmm2 + pand xmm4, [GLOBAL(cd1)] + pand xmm5, [GLOBAL(cd1)] + + pxor xmm6, xmm6 + movdqa xmm7, xmm6 + pcmpgtd xmm6, xmm1 + pcmpgtd xmm7, xmm3 + pand xmm6, [GLOBAL(cd1)] + pand xmm7, [GLOBAL(cd1)] + + paddd xmm0, xmm4 + paddd xmm2, xmm5 + paddd xmm0, [GLOBAL(cd3)] + paddd xmm2, [GLOBAL(cd3)] + paddd xmm1, xmm6 + paddd xmm3, xmm7 + paddd xmm1, [GLOBAL(cd3)] + paddd xmm3, [GLOBAL(cd3)] + + psrad xmm0, 3 + psrad xmm1, 3 + psrad xmm2, 3 + psrad xmm3, 3 + movdqa xmm4, xmm0 + punpcklqdq xmm0, xmm1 ; a23 a22 a21 a20 + punpckhqdq xmm4, xmm1 ; b23 b22 b21 b20 + movdqa xmm5, xmm2 + punpckhqdq xmm2, xmm3 ; c23 c22 c21 c20 + punpcklqdq xmm5, xmm3 ; d23 d22 d21 d20 + + packssdw xmm0, xmm4 ; b23 b22 b21 b20 a23 a22 a21 a20 + packssdw xmm2, xmm5 ; d23 d22 d21 d20 c23 c22 c21 c20 + + movdqa XMMWORD PTR [rdi], xmm0 + movdqa XMMWORD PTR [rdi + 16], xmm2 + + ; begin epilog + pop rdi + pop rsi + RESTORE_GOT + RESTORE_XMM + UNSHADOW_ARGS + pop rbp + ret + +SECTION_RODATA +align 16 +c1: + dw 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001 +align 16 +cn1: + dw 0x0001, 0xffff, 0x0001, 0xffff, 0x0001, 0xffff, 0x0001, 0xffff +align 16 +cd1: + dd 0x00000001, 0x00000001, 0x00000001, 0x00000001 +align 16 +cd3: + dd 0x00000003, 0x00000003, 0x00000003, 0x00000003 |