diff options
Diffstat (limited to 'media/libvpx/vp8/encoder/x86/subtract_mmx.asm')
| -rw-r--r-- | media/libvpx/vp8/encoder/x86/subtract_mmx.asm | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/media/libvpx/vp8/encoder/x86/subtract_mmx.asm b/media/libvpx/vp8/encoder/x86/subtract_mmx.asm new file mode 100644 index 000000000..794dd22f7 --- /dev/null +++ b/media/libvpx/vp8/encoder/x86/subtract_mmx.asm @@ -0,0 +1,223 @@ +; +; 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_mmx_impl(unsigned char *z, int src_stride, +; short *diff, unsigned char *Predictor, +; int pitch); +global sym(vp8_subtract_b_mmx_impl) PRIVATE +sym(vp8_subtract_b_mmx_impl): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 5 + 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 [rdi], mm0 + + + movd mm0, [rsi+rdx] + movd mm1, [rax+rcx] + punpcklbw mm0, mm7 + punpcklbw mm1, mm7 + psubw mm0, mm1 + movq [rdi+rcx*2],mm0 + + + movd mm0, [rsi+rdx*2] + movd mm1, [rax+rcx*2] + punpcklbw mm0, mm7 + punpcklbw mm1, mm7 + psubw mm0, mm1 + movq [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 [rdi+rcx*2], mm0 + + ; begin epilog + pop rdi + pop rsi + UNSHADOW_ARGS + pop rbp + ret + +;void vp8_subtract_mby_mmx(short *diff, unsigned char *src, int src_stride, +;unsigned char *pred, int pred_stride) +global sym(vp8_subtract_mby_mmx) PRIVATE +sym(vp8_subtract_mby_mmx): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 5 + push rsi + push rdi + ; end prolog + + mov rdi, arg(0) ;diff + mov rsi, arg(1) ;src + movsxd rdx, dword ptr arg(2);src_stride + mov rax, arg(3) ;pred + push rbx + movsxd rbx, dword ptr arg(4);pred_stride + + pxor mm0, mm0 + mov rcx, 16 + + +.submby_loop: + movq mm1, [rsi] + movq mm3, [rax] + + movq mm2, mm1 + movq mm4, mm3 + + punpcklbw mm1, mm0 + punpcklbw mm3, mm0 + + punpckhbw mm2, mm0 + punpckhbw mm4, mm0 + + psubw mm1, mm3 + psubw mm2, mm4 + + movq [rdi], mm1 + movq [rdi+8], mm2 + + movq mm1, [rsi+8] + movq mm3, [rax+8] + + movq mm2, mm1 + movq mm4, mm3 + + punpcklbw mm1, mm0 + punpcklbw mm3, mm0 + + punpckhbw mm2, mm0 + punpckhbw mm4, mm0 + + psubw mm1, mm3 + psubw mm2, mm4 + + movq [rdi+16], mm1 + movq [rdi+24], mm2 + add rdi, 32 + lea rax, [rax+rbx] + lea rsi, [rsi+rdx] + dec rcx + jnz .submby_loop + + pop rbx + pop rdi + pop rsi + ; begin epilog + UNSHADOW_ARGS + pop rbp + ret + + +;vp8_subtract_mbuv_mmx(short *diff, unsigned char *usrc, unsigned char *vsrc, +; int src_stride, unsigned char *upred, +; unsigned char *vpred, int pred_stride) + +global sym(vp8_subtract_mbuv_mmx) PRIVATE +sym(vp8_subtract_mbuv_mmx): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 7 + push rsi + push rdi + ; end prolog + + mov rdi, arg(0) ;diff + mov rsi, arg(1) ;usrc + movsxd rdx, dword ptr arg(3);src_stride; + mov rax, arg(4) ;upred + add rdi, 256*2 ;diff = diff + 256 (shorts) + mov rcx, 8 + push rbx + movsxd rbx, dword ptr arg(6);pred_stride + + pxor mm7, mm7 + +.submbu_loop: + movq mm0, [rsi] + movq mm1, [rax] + movq mm3, mm0 + movq mm4, mm1 + punpcklbw mm0, mm7 + punpcklbw mm1, mm7 + punpckhbw mm3, mm7 + punpckhbw mm4, mm7 + psubw mm0, mm1 + psubw mm3, mm4 + movq [rdi], mm0 + movq [rdi+8], mm3 + add rdi, 16 + add rsi, rdx + add rax, rbx + + dec rcx + jnz .submbu_loop + + mov rsi, arg(2) ;vsrc + mov rax, arg(5) ;vpred + mov rcx, 8 + +.submbv_loop: + movq mm0, [rsi] + movq mm1, [rax] + movq mm3, mm0 + movq mm4, mm1 + punpcklbw mm0, mm7 + punpcklbw mm1, mm7 + punpckhbw mm3, mm7 + punpckhbw mm4, mm7 + psubw mm0, mm1 + psubw mm3, mm4 + movq [rdi], mm0 + movq [rdi+8], mm3 + add rdi, 16 + add rsi, rdx + add rax, rbx + + dec rcx + jnz .submbv_loop + + pop rbx + ; begin epilog + pop rdi + pop rsi + UNSHADOW_ARGS + pop rbp + ret |