; ; 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 vp9_short_inv_walsh4x4_1_mmx(short *input, short *output) global sym(vp9_short_inv_walsh4x4_1_mmx) sym(vp9_short_inv_walsh4x4_1_mmx): push rbp mov rbp, rsp SHADOW_ARGS_TO_STACK 2 push rsi push rdi ; end prolog mov rsi, arg(0) mov rax, 3 mov rdi, arg(1) add rax, [rsi] ;input[0] + 3 movd mm0, eax punpcklwd mm0, mm0 ;x x val val punpckldq mm0, mm0 ;val val val val psraw mm0, 3 ;(input[0] + 3) >> 3 movq [rdi + 0], mm0 movq [rdi + 8], mm0 movq [rdi + 16], mm0 movq [rdi + 24], mm0 ; begin epilog pop rdi pop rsi UNSHADOW_ARGS pop rbp ret ;void vp9_short_inv_walsh4x4_mmx(short *input, short *output) global sym(vp9_short_inv_walsh4x4_mmx) sym(vp9_short_inv_walsh4x4_mmx): push rbp mov rbp, rsp SHADOW_ARGS_TO_STACK 2 push rsi push rdi ; end prolog mov rax, 3 mov rsi, arg(0) mov rdi, arg(1) shl rax, 16 movq mm0, [rsi + 0] ;ip[0] movq mm1, [rsi + 8] ;ip[4] or rax, 3 ;00030003h movq mm2, [rsi + 16] ;ip[8] movq mm3, [rsi + 24] ;ip[12] movq mm7, rax movq mm4, mm0 punpcklwd mm7, mm7 ;0003000300030003h movq mm5, mm1 paddw mm4, mm3 ;ip[0] + ip[12] aka al paddw mm5, mm2 ;ip[4] + ip[8] aka bl movq mm6, mm4 ;temp al paddw mm4, mm5 ;al + bl psubw mm6, mm5 ;al - bl psubw mm0, mm3 ;ip[0] - ip[12] aka d1 psubw mm1, mm2 ;ip[4] - ip[8] aka c1 movq mm5, mm0 ;temp dl paddw mm0, mm1 ;dl + cl psubw mm5, mm1 ;dl - cl ; 03 02 01 00 ; 13 12 11 10 ; 23 22 21 20 ; 33 32 31 30 movq mm3, mm4 ; 03 02 01 00 punpcklwd mm4, mm0 ; 11 01 10 00 punpckhwd mm3, mm0 ; 13 03 12 02 movq mm1, mm6 ; 23 22 21 20 punpcklwd mm6, mm5 ; 31 21 30 20 punpckhwd mm1, mm5 ; 33 23 32 22 movq mm0, mm4 ; 11 01 10 00 movq mm2, mm3 ; 13 03 12 02 punpckldq mm0, mm6 ; 30 20 10 00 aka ip[0] punpckhdq mm4, mm6 ; 31 21 11 01 aka ip[4] punpckldq mm2, mm1 ; 32 22 12 02 aka ip[8] punpckhdq mm3, mm1 ; 33 23 13 03 aka ip[12] ;~~~~~~~~~~~~~~~~~~~~~ movq mm1, mm0 movq mm5, mm4 paddw mm1, mm3 ;ip[0] + ip[12] aka al paddw mm5, mm2 ;ip[4] + ip[8] aka bl movq mm6, mm1 ;temp al paddw mm1, mm5 ;al + bl psubw mm6, mm5 ;al - bl psubw mm0, mm3 ;ip[0] - ip[12] aka d1 psubw mm4, mm2 ;ip[4] - ip[8] aka c1 movq mm5, mm0 ;temp dl paddw mm0, mm4 ;dl + cl psubw mm5, mm4 ;dl - cl ;~~~~~~~~~~~~~~~~~~~~~ movq mm3, mm1 ; 03 02 01 00 punpcklwd mm1, mm0 ; 11 01 10 00 punpckhwd mm3, mm0 ; 13 03 12 02 movq mm4, mm6 ; 23 22 21 20 punpcklwd mm6, mm5 ; 31 21 30 20 punpckhwd mm4, mm5 ; 33 23 32 22 movq mm0, mm1 ; 11 01 10 00 movq mm2, mm3 ; 13 03 12 02 punpckldq mm0, mm6 ; 30 20 10 00 aka ip[0] punpckhdq mm1, mm6 ; 31 21 11 01 aka ip[4] punpckldq mm2, mm4 ; 32 22 12 02 aka ip[8] punpckhdq mm3, mm4 ; 33 23 13 03 aka ip[12] paddw mm0, mm7 paddw mm1, mm7 paddw mm2, mm7 paddw mm3, mm7 psraw mm0, 3 psraw mm1, 3 psraw mm2, 3 psraw mm3, 3 movq [rdi + 0], mm0 movq [rdi + 8], mm1 movq [rdi + 16], mm2 movq [rdi + 24], mm3 ; begin epilog pop rdi pop rsi UNSHADOW_ARGS pop rbp ret