diff options
Diffstat (limited to 'media/libvpx/vp8/common/x86/iwalsh_sse2.asm')
| -rw-r--r-- | media/libvpx/vp8/common/x86/iwalsh_sse2.asm | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/x86/iwalsh_sse2.asm b/media/libvpx/vp8/common/x86/iwalsh_sse2.asm new file mode 100644 index 000000000..06e86a80b --- /dev/null +++ b/media/libvpx/vp8/common/x86/iwalsh_sse2.asm @@ -0,0 +1,121 @@ +; +; 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" + +;void vp8_short_inv_walsh4x4_sse2(short *input, short *output) +global sym(vp8_short_inv_walsh4x4_sse2) PRIVATE +sym(vp8_short_inv_walsh4x4_sse2): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 2 + ; end prolog + + mov rcx, arg(0) + mov rdx, arg(1) + mov rax, 30003h + + movdqa xmm0, [rcx + 0] ;ip[4] ip[0] + movdqa xmm1, [rcx + 16] ;ip[12] ip[8] + + + pshufd xmm2, xmm1, 4eh ;ip[8] ip[12] + movdqa xmm3, xmm0 ;ip[4] ip[0] + + paddw xmm0, xmm2 ;ip[4]+ip[8] ip[0]+ip[12] aka b1 a1 + psubw xmm3, xmm2 ;ip[4]-ip[8] ip[0]-ip[12] aka c1 d1 + + movdqa xmm4, xmm0 + punpcklqdq xmm0, xmm3 ;d1 a1 + punpckhqdq xmm4, xmm3 ;c1 b1 + + movdqa xmm1, xmm4 ;c1 b1 + paddw xmm4, xmm0 ;dl+cl a1+b1 aka op[4] op[0] + psubw xmm0, xmm1 ;d1-c1 a1-b1 aka op[12] op[8] + + ;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + ; 13 12 11 10 03 02 01 00 + ; + ; 33 32 31 30 23 22 21 20 + ; + movdqa xmm3, xmm4 ; 13 12 11 10 03 02 01 00 + punpcklwd xmm4, xmm0 ; 23 03 22 02 21 01 20 00 + punpckhwd xmm3, xmm0 ; 33 13 32 12 31 11 30 10 + movdqa xmm1, xmm4 ; 23 03 22 02 21 01 20 00 + punpcklwd xmm4, xmm3 ; 31 21 11 01 30 20 10 00 + punpckhwd xmm1, xmm3 ; 33 23 13 03 32 22 12 02 + ;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + movd xmm0, eax + pshufd xmm2, xmm1, 4eh ;ip[8] ip[12] + movdqa xmm3, xmm4 ;ip[4] ip[0] + + pshufd xmm0, xmm0, 0 ;03 03 03 03 03 03 03 03 + + paddw xmm4, xmm2 ;ip[4]+ip[8] ip[0]+ip[12] aka b1 a1 + psubw xmm3, xmm2 ;ip[4]-ip[8] ip[0]-ip[12] aka c1 d1 + + movdqa xmm5, xmm4 + punpcklqdq xmm4, xmm3 ;d1 a1 + punpckhqdq xmm5, xmm3 ;c1 b1 + + movdqa xmm1, xmm5 ;c1 b1 + paddw xmm5, xmm4 ;dl+cl a1+b1 aka op[4] op[0] + psubw xmm4, xmm1 ;d1-c1 a1-b1 aka op[12] op[8] + + paddw xmm5, xmm0 + paddw xmm4, xmm0 + psraw xmm5, 3 + psraw xmm4, 3 + + movd eax, xmm5 + movd ecx, xmm4 + psrldq xmm5, 4 + psrldq xmm4, 4 + mov word ptr[rdx+32*0], ax + mov word ptr[rdx+32*2], cx + shr eax, 16 + shr ecx, 16 + mov word ptr[rdx+32*4], ax + mov word ptr[rdx+32*6], cx + movd eax, xmm5 + movd ecx, xmm4 + psrldq xmm5, 4 + psrldq xmm4, 4 + mov word ptr[rdx+32*8], ax + mov word ptr[rdx+32*10], cx + shr eax, 16 + shr ecx, 16 + mov word ptr[rdx+32*12], ax + mov word ptr[rdx+32*14], cx + + movd eax, xmm5 + movd ecx, xmm4 + psrldq xmm5, 4 + psrldq xmm4, 4 + mov word ptr[rdx+32*1], ax + mov word ptr[rdx+32*3], cx + shr eax, 16 + shr ecx, 16 + mov word ptr[rdx+32*5], ax + mov word ptr[rdx+32*7], cx + movd eax, xmm5 + movd ecx, xmm4 + mov word ptr[rdx+32*9], ax + mov word ptr[rdx+32*11], cx + shr eax, 16 + shr ecx, 16 + mov word ptr[rdx+32*13], ax + mov word ptr[rdx+32*15], cx + + ; begin epilog + UNSHADOW_ARGS + pop rbp + ret |