1 ; 2 ; Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 ; 4 ; Use of this source code is governed by a BSD-style license 5 ; that can be found in the LICENSE file in the root of the source 6 ; tree. An additional intellectual property rights grant can be found 7 ; in the file PATENTS. All contributing project authors may 8 ; be found in the AUTHORS file in the root of the source tree. 9 ; 10 11 12 %include "vpx_ports/x86_abi_support.asm" 13 14 ;void vp8_short_inv_walsh4x4_sse2(short *input, short *output) 15 global sym(vp8_short_inv_walsh4x4_sse2) 16 sym(vp8_short_inv_walsh4x4_sse2): 17 push rbp 18 mov rbp, rsp 19 SHADOW_ARGS_TO_STACK 2 20 SAVE_XMM 21 push rsi 22 push rdi 23 ; end prolog 24 25 mov rsi, arg(0) 26 mov rdi, arg(1) 27 mov rax, 3 28 29 movdqa xmm0, [rsi + 0] ;ip[4] ip[0] 30 movdqa xmm1, [rsi + 16] ;ip[12] ip[8] 31 32 shl rax, 16 33 or rax, 3 ;00030003h 34 35 pshufd xmm2, xmm1, 4eh ;ip[8] ip[12] 36 movdqa xmm3, xmm0 ;ip[4] ip[0] 37 38 paddw xmm0, xmm2 ;ip[4]+ip[8] ip[0]+ip[12] aka b1 a1 39 psubw xmm3, xmm2 ;ip[4]-ip[8] ip[0]-ip[12] aka c1 d1 40 41 movdqa xmm4, xmm0 42 punpcklqdq xmm0, xmm3 ;d1 a1 43 punpckhqdq xmm4, xmm3 ;c1 b1 44 movd xmm7, eax 45 46 movdqa xmm1, xmm4 ;c1 b1 47 paddw xmm4, xmm0 ;dl+cl a1+b1 aka op[4] op[0] 48 psubw xmm0, xmm1 ;d1-c1 a1-b1 aka op[12] op[8] 49 50 ;;;temp output 51 ;; movdqu [rdi + 0], xmm4 52 ;; movdqu [rdi + 16], xmm3 53 54 ;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 55 ; 13 12 11 10 03 02 01 00 56 ; 57 ; 33 32 31 30 23 22 21 20 58 ; 59 movdqa xmm3, xmm4 ; 13 12 11 10 03 02 01 00 60 punpcklwd xmm4, xmm0 ; 23 03 22 02 21 01 20 00 61 punpckhwd xmm3, xmm0 ; 33 13 32 12 31 11 30 10 62 movdqa xmm1, xmm4 ; 23 03 22 02 21 01 20 00 63 punpcklwd xmm4, xmm3 ; 31 21 11 01 30 20 10 00 64 punpckhwd xmm1, xmm3 ; 33 23 13 03 32 22 12 02 65 ;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 66 pshufd xmm2, xmm1, 4eh ;ip[8] ip[12] 67 movdqa xmm3, xmm4 ;ip[4] ip[0] 68 69 pshufd xmm7, xmm7, 0 ;03 03 03 03 03 03 03 03 70 71 paddw xmm4, xmm2 ;ip[4]+ip[8] ip[0]+ip[12] aka b1 a1 72 psubw xmm3, xmm2 ;ip[4]-ip[8] ip[0]-ip[12] aka c1 d1 73 74 movdqa xmm5, xmm4 75 punpcklqdq xmm4, xmm3 ;d1 a1 76 punpckhqdq xmm5, xmm3 ;c1 b1 77 78 movdqa xmm1, xmm5 ;c1 b1 79 paddw xmm5, xmm4 ;dl+cl a1+b1 aka op[4] op[0] 80 psubw xmm4, xmm1 ;d1-c1 a1-b1 aka op[12] op[8] 81 ;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 82 ; 13 12 11 10 03 02 01 00 83 ; 84 ; 33 32 31 30 23 22 21 20 85 ; 86 movdqa xmm0, xmm5 ; 13 12 11 10 03 02 01 00 87 punpcklwd xmm5, xmm4 ; 23 03 22 02 21 01 20 00 88 punpckhwd xmm0, xmm4 ; 33 13 32 12 31 11 30 10 89 movdqa xmm1, xmm5 ; 23 03 22 02 21 01 20 00 90 punpcklwd xmm5, xmm0 ; 31 21 11 01 30 20 10 00 91 punpckhwd xmm1, xmm0 ; 33 23 13 03 32 22 12 02 92 ;~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 93 paddw xmm5, xmm7 94 paddw xmm1, xmm7 95 96 psraw xmm5, 3 97 psraw xmm1, 3 98 99 movdqa [rdi + 0], xmm5 100 movdqa [rdi + 16], xmm1 101 102 ; begin epilog 103 pop rdi 104 pop rsi 105 RESTORE_XMM 106 UNSHADOW_ARGS 107 pop rbp 108 ret 109 110 SECTION_RODATA 111 align 16 112 x_s1sqr2: 113 times 4 dw 0x8A8C 114 align 16 115 x_c1sqr2less1: 116 times 4 dw 0x4E7B 117 align 16 118 fours: 119 times 4 dw 0x0004 120
