| ; |
| ; Copyright (c) 2010 The VP8 project authors. All Rights Reserved. |
| ; |
| ; Use of this source code is governed by a BSD-style license and patent |
| ; grant that can be found in the LICENSE file in the root of the source |
| ; tree. 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_1_mmx(short *input, short *output) |
| global sym(vp8_short_inv_walsh4x4_1_mmx) |
| sym(vp8_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 vp8_short_inv_walsh4x4_mmx(short *input, short *output) |
| global sym(vp8_short_inv_walsh4x4_mmx) |
| sym(vp8_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] |
| |
| movd 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 |
| |
