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- ;
- ; 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
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