diff options
Diffstat (limited to 'media/libvpx/vp8/common/x86/dequantize_mmx.asm')
| -rw-r--r-- | media/libvpx/vp8/common/x86/dequantize_mmx.asm | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/x86/dequantize_mmx.asm b/media/libvpx/vp8/common/x86/dequantize_mmx.asm new file mode 100644 index 000000000..4e551f00a --- /dev/null +++ b/media/libvpx/vp8/common/x86/dequantize_mmx.asm @@ -0,0 +1,258 @@ +; +; 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_dequantize_b_impl_mmx(short *sq, short *dq, short *q) +global sym(vp8_dequantize_b_impl_mmx) PRIVATE +sym(vp8_dequantize_b_impl_mmx): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 3 + push rsi + push rdi + ; end prolog + + mov rsi, arg(0) ;sq + mov rdi, arg(1) ;dq + mov rax, arg(2) ;q + + movq mm1, [rsi] + pmullw mm1, [rax+0] ; mm4 *= kernel 0 modifiers. + movq [rdi], mm1 + + movq mm1, [rsi+8] + pmullw mm1, [rax+8] ; mm4 *= kernel 0 modifiers. + movq [rdi+8], mm1 + + movq mm1, [rsi+16] + pmullw mm1, [rax+16] ; mm4 *= kernel 0 modifiers. + movq [rdi+16], mm1 + + movq mm1, [rsi+24] + pmullw mm1, [rax+24] ; mm4 *= kernel 0 modifiers. + movq [rdi+24], mm1 + + ; begin epilog + pop rdi + pop rsi + UNSHADOW_ARGS + pop rbp + ret + + +;void dequant_idct_add_mmx( +;short *input, 0 +;short *dq, 1 +;unsigned char *dest, 2 +;int stride) 3 +global sym(vp8_dequant_idct_add_mmx) PRIVATE +sym(vp8_dequant_idct_add_mmx): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 4 + GET_GOT rbx + push rdi + ; end prolog + + mov rax, arg(0) ;input + mov rdx, arg(1) ;dq + + + movq mm0, [rax ] + pmullw mm0, [rdx] + + movq mm1, [rax +8] + pmullw mm1, [rdx +8] + + movq mm2, [rax+16] + pmullw mm2, [rdx+16] + + movq mm3, [rax+24] + pmullw mm3, [rdx+24] + + mov rdx, arg(2) ;dest + + pxor mm7, mm7 + + + movq [rax], mm7 + movq [rax+8], mm7 + + movq [rax+16],mm7 + movq [rax+24],mm7 + + + movsxd rdi, dword ptr arg(3) ;stride + + psubw mm0, mm2 ; b1= 0-2 + paddw mm2, mm2 ; + + movq mm5, mm1 + paddw mm2, mm0 ; a1 =0+2 + + pmulhw mm5, [GLOBAL(x_s1sqr2)]; + paddw mm5, mm1 ; ip1 * sin(pi/8) * sqrt(2) + + movq mm7, mm3 ; + pmulhw mm7, [GLOBAL(x_c1sqr2less1)]; + + paddw mm7, mm3 ; ip3 * cos(pi/8) * sqrt(2) + psubw mm7, mm5 ; c1 + + movq mm5, mm1 + movq mm4, mm3 + + pmulhw mm5, [GLOBAL(x_c1sqr2less1)] + paddw mm5, mm1 + + pmulhw mm3, [GLOBAL(x_s1sqr2)] + paddw mm3, mm4 + + paddw mm3, mm5 ; d1 + movq mm6, mm2 ; a1 + + movq mm4, mm0 ; b1 + paddw mm2, mm3 ;0 + + paddw mm4, mm7 ;1 + psubw mm0, mm7 ;2 + + psubw mm6, mm3 ;3 + + movq mm1, mm2 ; 03 02 01 00 + movq mm3, mm4 ; 23 22 21 20 + + punpcklwd mm1, mm0 ; 11 01 10 00 + punpckhwd mm2, mm0 ; 13 03 12 02 + + punpcklwd mm3, mm6 ; 31 21 30 20 + punpckhwd mm4, mm6 ; 33 23 32 22 + + movq mm0, mm1 ; 11 01 10 00 + movq mm5, mm2 ; 13 03 12 02 + + punpckldq mm0, mm3 ; 30 20 10 00 + punpckhdq mm1, mm3 ; 31 21 11 01 + + punpckldq mm2, mm4 ; 32 22 12 02 + punpckhdq mm5, mm4 ; 33 23 13 03 + + movq mm3, mm5 ; 33 23 13 03 + + psubw mm0, mm2 ; b1= 0-2 + paddw mm2, mm2 ; + + movq mm5, mm1 + paddw mm2, mm0 ; a1 =0+2 + + pmulhw mm5, [GLOBAL(x_s1sqr2)]; + paddw mm5, mm1 ; ip1 * sin(pi/8) * sqrt(2) + + movq mm7, mm3 ; + pmulhw mm7, [GLOBAL(x_c1sqr2less1)]; + + paddw mm7, mm3 ; ip3 * cos(pi/8) * sqrt(2) + psubw mm7, mm5 ; c1 + + movq mm5, mm1 + movq mm4, mm3 + + pmulhw mm5, [GLOBAL(x_c1sqr2less1)] + paddw mm5, mm1 + + pmulhw mm3, [GLOBAL(x_s1sqr2)] + paddw mm3, mm4 + + paddw mm3, mm5 ; d1 + paddw mm0, [GLOBAL(fours)] + + paddw mm2, [GLOBAL(fours)] + movq mm6, mm2 ; a1 + + movq mm4, mm0 ; b1 + paddw mm2, mm3 ;0 + + paddw mm4, mm7 ;1 + psubw mm0, mm7 ;2 + + psubw mm6, mm3 ;3 + psraw mm2, 3 + + psraw mm0, 3 + psraw mm4, 3 + + psraw mm6, 3 + + movq mm1, mm2 ; 03 02 01 00 + movq mm3, mm4 ; 23 22 21 20 + + punpcklwd mm1, mm0 ; 11 01 10 00 + punpckhwd mm2, mm0 ; 13 03 12 02 + + punpcklwd mm3, mm6 ; 31 21 30 20 + punpckhwd mm4, mm6 ; 33 23 32 22 + + movq mm0, mm1 ; 11 01 10 00 + movq mm5, mm2 ; 13 03 12 02 + + punpckldq mm0, mm3 ; 30 20 10 00 + punpckhdq mm1, mm3 ; 31 21 11 01 + + punpckldq mm2, mm4 ; 32 22 12 02 + punpckhdq mm5, mm4 ; 33 23 13 03 + + pxor mm7, mm7 + + movd mm4, [rdx] + punpcklbw mm4, mm7 + paddsw mm0, mm4 + packuswb mm0, mm7 + movd [rdx], mm0 + + movd mm4, [rdx+rdi] + punpcklbw mm4, mm7 + paddsw mm1, mm4 + packuswb mm1, mm7 + movd [rdx+rdi], mm1 + + movd mm4, [rdx+2*rdi] + punpcklbw mm4, mm7 + paddsw mm2, mm4 + packuswb mm2, mm7 + movd [rdx+rdi*2], mm2 + + add rdx, rdi + + movd mm4, [rdx+2*rdi] + punpcklbw mm4, mm7 + paddsw mm5, mm4 + packuswb mm5, mm7 + movd [rdx+rdi*2], mm5 + + ; begin epilog + pop rdi + RESTORE_GOT + UNSHADOW_ARGS + pop rbp + ret + +SECTION_RODATA +align 16 +x_s1sqr2: + times 4 dw 0x8A8C +align 16 +x_c1sqr2less1: + times 4 dw 0x4E7B +align 16 +fours: + times 4 dw 0x0004 |