| ; |
| ; 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_subtract_b_sse2_impl(unsigned char *z, int src_stride, |
| ; short *diff, unsigned char *Predictor, |
| ; int pitch); |
| global sym(vp8_subtract_b_sse2_impl) |
| sym(vp8_subtract_b_sse2_impl): |
| push rbp |
| mov rbp, rsp |
| SHADOW_ARGS_TO_STACK 5 |
| GET_GOT rbx |
| push rsi |
| push rdi |
| ; end prolog |
| |
| mov rdi, arg(2) ;diff |
| mov rax, arg(3) ;Predictor |
| mov rsi, arg(0) ;z |
| movsxd rdx, dword ptr arg(1);src_stride; |
| movsxd rcx, dword ptr arg(4);pitch |
| pxor mm7, mm7 |
| |
| movd mm0, [rsi] |
| movd mm1, [rax] |
| punpcklbw mm0, mm7 |
| punpcklbw mm1, mm7 |
| psubw mm0, mm1 |
| movq MMWORD PTR [rdi], mm0 |
| |
| movd mm0, [rsi+rdx] |
| movd mm1, [rax+rcx] |
| punpcklbw mm0, mm7 |
| punpcklbw mm1, mm7 |
| psubw mm0, mm1 |
| movq MMWORD PTR [rdi+rcx*2], mm0 |
| |
| movd mm0, [rsi+rdx*2] |
| movd mm1, [rax+rcx*2] |
| punpcklbw mm0, mm7 |
| punpcklbw mm1, mm7 |
| psubw mm0, mm1 |
| movq MMWORD PTR [rdi+rcx*4], mm0 |
| |
| lea rsi, [rsi+rdx*2] |
| lea rcx, [rcx+rcx*2] |
| |
| movd mm0, [rsi+rdx] |
| movd mm1, [rax+rcx] |
| punpcklbw mm0, mm7 |
| punpcklbw mm1, mm7 |
| psubw mm0, mm1 |
| movq MMWORD PTR [rdi+rcx*2], mm0 |
| |
| ; begin epilog |
| pop rdi |
| pop rsi |
| RESTORE_GOT |
| UNSHADOW_ARGS |
| pop rbp |
| ret |
| |
| |
| ;void vp8_subtract_mby_sse2(short *diff, unsigned char *src, unsigned char *pred, int stride) |
| global sym(vp8_subtract_mby_sse2) |
| sym(vp8_subtract_mby_sse2): |
| push rbp |
| mov rbp, rsp |
| SHADOW_ARGS_TO_STACK 4 |
| SAVE_XMM |
| GET_GOT rbx |
| push rsi |
| push rdi |
| ; end prolog |
| |
| mov rsi, arg(1) ;src |
| mov rdi, arg(0) ;diff |
| |
| mov rax, arg(2) ;pred |
| movsxd rdx, dword ptr arg(3) ;stride |
| |
| mov rcx, 8 ; do two lines at one time |
| |
| submby_loop: |
| movdqa xmm0, XMMWORD PTR [rsi] ; src |
| movdqa xmm1, XMMWORD PTR [rax] ; pred |
| |
| movdqa xmm2, xmm0 |
| psubb xmm0, xmm1 |
| |
| pxor xmm1, [GLOBAL(t80)] ;convert to signed values |
| pxor xmm2, [GLOBAL(t80)] |
| pcmpgtb xmm1, xmm2 ; obtain sign information |
| |
| movdqa xmm2, xmm0 |
| movdqa xmm3, xmm1 |
| punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| punpckhbw xmm2, xmm3 ; put sign back to subtraction |
| |
| movdqa XMMWORD PTR [rdi], xmm0 |
| movdqa XMMWORD PTR [rdi +16], xmm2 |
| |
| movdqa xmm4, XMMWORD PTR [rsi + rdx] |
| movdqa xmm5, XMMWORD PTR [rax + 16] |
| |
| movdqa xmm6, xmm4 |
| psubb xmm4, xmm5 |
| |
| pxor xmm5, [GLOBAL(t80)] ;convert to signed values |
| pxor xmm6, [GLOBAL(t80)] |
| pcmpgtb xmm5, xmm6 ; obtain sign information |
| |
| movdqa xmm6, xmm4 |
| movdqa xmm7, xmm5 |
| punpcklbw xmm4, xmm5 ; put sign back to subtraction |
| punpckhbw xmm6, xmm7 ; put sign back to subtraction |
| |
| movdqa XMMWORD PTR [rdi +32], xmm4 |
| movdqa XMMWORD PTR [rdi +48], xmm6 |
| |
| add rdi, 64 |
| add rax, 32 |
| lea rsi, [rsi+rdx*2] |
| |
| sub rcx, 1 |
| jnz submby_loop |
| |
| pop rdi |
| pop rsi |
| ; begin epilog |
| RESTORE_GOT |
| RESTORE_XMM |
| UNSHADOW_ARGS |
| pop rbp |
| ret |
| |
| |
| ;void vp8_subtract_mbuv_sse2(short *diff, unsigned char *usrc, unsigned char *vsrc, unsigned char *pred, int stride) |
| global sym(vp8_subtract_mbuv_sse2) |
| sym(vp8_subtract_mbuv_sse2): |
| push rbp |
| mov rbp, rsp |
| SHADOW_ARGS_TO_STACK 5 |
| GET_GOT rbx |
| push rsi |
| push rdi |
| ; end prolog |
| |
| mov rdi, arg(0) ;diff |
| mov rax, arg(3) ;pred |
| mov rsi, arg(1) ;z = usrc |
| add rdi, 256*2 ;diff = diff + 256 (shorts) |
| add rax, 256 ;Predictor = pred + 256 |
| movsxd rdx, dword ptr arg(4) ;stride; |
| lea rcx, [rdx + rdx*2] |
| |
| ;u |
| ;line 0 1 |
| movq xmm0, MMWORD PTR [rsi] ; src |
| movq xmm2, MMWORD PTR [rsi+rdx] |
| movdqa xmm1, XMMWORD PTR [rax] ; pred |
| punpcklqdq xmm0, xmm2 |
| |
| movdqa xmm2, xmm0 |
| psubb xmm0, xmm1 ; subtraction with sign missed |
| |
| pxor xmm1, [GLOBAL(t80)] ;convert to signed values |
| pxor xmm2, [GLOBAL(t80)] |
| pcmpgtb xmm1, xmm2 ; obtain sign information |
| |
| movdqa xmm2, xmm0 |
| movdqa xmm3, xmm1 |
| punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| punpckhbw xmm2, xmm3 ; put sign back to subtraction |
| |
| movdqa XMMWORD PTR [rdi], xmm0 |
| movdqa XMMWORD PTR [rdi +16], xmm2 |
| |
| ;line 2 3 |
| movq xmm0, MMWORD PTR [rsi+rdx*2] ; src |
| movq xmm2, MMWORD PTR [rsi+rcx] |
| movdqa xmm1, XMMWORD PTR [rax+16] ; pred |
| punpcklqdq xmm0, xmm2 |
| |
| movdqa xmm2, xmm0 |
| psubb xmm0, xmm1 ; subtraction with sign missed |
| |
| pxor xmm1, [GLOBAL(t80)] ;convert to signed values |
| pxor xmm2, [GLOBAL(t80)] |
| pcmpgtb xmm1, xmm2 ; obtain sign information |
| |
| movdqa xmm2, xmm0 |
| movdqa xmm3, xmm1 |
| punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| punpckhbw xmm2, xmm3 ; put sign back to subtraction |
| |
| movdqa XMMWORD PTR [rdi + 32], xmm0 |
| movdqa XMMWORD PTR [rdi + 48], xmm2 |
| |
| ;line 4 5 |
| lea rsi, [rsi + rdx*4] |
| |
| movq xmm0, MMWORD PTR [rsi] ; src |
| movq xmm2, MMWORD PTR [rsi+rdx] |
| movdqa xmm1, XMMWORD PTR [rax + 32] ; pred |
| punpcklqdq xmm0, xmm2 |
| |
| movdqa xmm2, xmm0 |
| psubb xmm0, xmm1 ; subtraction with sign missed |
| |
| pxor xmm1, [GLOBAL(t80)] ;convert to signed values |
| pxor xmm2, [GLOBAL(t80)] |
| pcmpgtb xmm1, xmm2 ; obtain sign information |
| |
| movdqa xmm2, xmm0 |
| movdqa xmm3, xmm1 |
| punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| punpckhbw xmm2, xmm3 ; put sign back to subtraction |
| |
| movdqa XMMWORD PTR [rdi + 64], xmm0 |
| movdqa XMMWORD PTR [rdi + 80], xmm2 |
| |
| ;line 6 7 |
| movq xmm0, MMWORD PTR [rsi+rdx*2] ; src |
| movq xmm2, MMWORD PTR [rsi+rcx] |
| movdqa xmm1, XMMWORD PTR [rax+ 48] ; pred |
| punpcklqdq xmm0, xmm2 |
| |
| movdqa xmm2, xmm0 |
| psubb xmm0, xmm1 ; subtraction with sign missed |
| |
| pxor xmm1, [GLOBAL(t80)] ;convert to signed values |
| pxor xmm2, [GLOBAL(t80)] |
| pcmpgtb xmm1, xmm2 ; obtain sign information |
| |
| movdqa xmm2, xmm0 |
| movdqa xmm3, xmm1 |
| punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| punpckhbw xmm2, xmm3 ; put sign back to subtraction |
| |
| movdqa XMMWORD PTR [rdi + 96], xmm0 |
| movdqa XMMWORD PTR [rdi + 112], xmm2 |
| |
| ;v |
| mov rsi, arg(2) ;z = vsrc |
| add rdi, 64*2 ;diff = diff + 320 (shorts) |
| add rax, 64 ;Predictor = pred + 320 |
| |
| ;line 0 1 |
| movq xmm0, MMWORD PTR [rsi] ; src |
| movq xmm2, MMWORD PTR [rsi+rdx] |
| movdqa xmm1, XMMWORD PTR [rax] ; pred |
| punpcklqdq xmm0, xmm2 |
| |
| movdqa xmm2, xmm0 |
| psubb xmm0, xmm1 ; subtraction with sign missed |
| |
| pxor xmm1, [GLOBAL(t80)] ;convert to signed values |
| pxor xmm2, [GLOBAL(t80)] |
| pcmpgtb xmm1, xmm2 ; obtain sign information |
| |
| movdqa xmm2, xmm0 |
| movdqa xmm3, xmm1 |
| punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| punpckhbw xmm2, xmm3 ; put sign back to subtraction |
| |
| movdqa XMMWORD PTR [rdi], xmm0 |
| movdqa XMMWORD PTR [rdi +16], xmm2 |
| |
| ;line 2 3 |
| movq xmm0, MMWORD PTR [rsi+rdx*2] ; src |
| movq xmm2, MMWORD PTR [rsi+rcx] |
| movdqa xmm1, XMMWORD PTR [rax+16] ; pred |
| punpcklqdq xmm0, xmm2 |
| |
| movdqa xmm2, xmm0 |
| psubb xmm0, xmm1 ; subtraction with sign missed |
| |
| pxor xmm1, [GLOBAL(t80)] ;convert to signed values |
| pxor xmm2, [GLOBAL(t80)] |
| pcmpgtb xmm1, xmm2 ; obtain sign information |
| |
| movdqa xmm2, xmm0 |
| movdqa xmm3, xmm1 |
| punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| punpckhbw xmm2, xmm3 ; put sign back to subtraction |
| |
| movdqa XMMWORD PTR [rdi + 32], xmm0 |
| movdqa XMMWORD PTR [rdi + 48], xmm2 |
| |
| ;line 4 5 |
| lea rsi, [rsi + rdx*4] |
| |
| movq xmm0, MMWORD PTR [rsi] ; src |
| movq xmm2, MMWORD PTR [rsi+rdx] |
| movdqa xmm1, XMMWORD PTR [rax + 32] ; pred |
| punpcklqdq xmm0, xmm2 |
| |
| movdqa xmm2, xmm0 |
| psubb xmm0, xmm1 ; subtraction with sign missed |
| |
| pxor xmm1, [GLOBAL(t80)] ;convert to signed values |
| pxor xmm2, [GLOBAL(t80)] |
| pcmpgtb xmm1, xmm2 ; obtain sign information |
| |
| movdqa xmm2, xmm0 |
| movdqa xmm3, xmm1 |
| punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| punpckhbw xmm2, xmm3 ; put sign back to subtraction |
| |
| movdqa XMMWORD PTR [rdi + 64], xmm0 |
| movdqa XMMWORD PTR [rdi + 80], xmm2 |
| |
| ;line 6 7 |
| movq xmm0, MMWORD PTR [rsi+rdx*2] ; src |
| movq xmm2, MMWORD PTR [rsi+rcx] |
| movdqa xmm1, XMMWORD PTR [rax+ 48] ; pred |
| punpcklqdq xmm0, xmm2 |
| |
| movdqa xmm2, xmm0 |
| psubb xmm0, xmm1 ; subtraction with sign missed |
| |
| pxor xmm1, [GLOBAL(t80)] ;convert to signed values |
| pxor xmm2, [GLOBAL(t80)] |
| pcmpgtb xmm1, xmm2 ; obtain sign information |
| |
| movdqa xmm2, xmm0 |
| movdqa xmm3, xmm1 |
| punpcklbw xmm0, xmm1 ; put sign back to subtraction |
| punpckhbw xmm2, xmm3 ; put sign back to subtraction |
| |
| movdqa XMMWORD PTR [rdi + 96], xmm0 |
| movdqa XMMWORD PTR [rdi + 112], xmm2 |
| |
| ; begin epilog |
| pop rdi |
| pop rsi |
| RESTORE_GOT |
| UNSHADOW_ARGS |
| pop rbp |
| ret |
| |
| SECTION_RODATA |
| align 16 |
| t80: |
| times 16 db 0x80 |
