259 lines
7.9 KiB
NASM
259 lines
7.9 KiB
NASM
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; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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%include "vpx_ports/x86_abi_support.asm"
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;void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q)
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global sym(vp8_dequantize_b_impl_mmx) PRIVATE
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sym(vp8_dequantize_b_impl_mmx):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 3
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push rsi
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push rdi
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; end prolog
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mov rsi, arg(0) ;sq
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mov rdi, arg(1) ;dq
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mov rax, arg(2) ;q
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movq mm1, [rsi]
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pmullw mm1, [rax+0] ; mm4 *= kernel 0 modifiers.
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movq [rdi], mm1
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movq mm1, [rsi+8]
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pmullw mm1, [rax+8] ; mm4 *= kernel 0 modifiers.
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movq [rdi+8], mm1
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movq mm1, [rsi+16]
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pmullw mm1, [rax+16] ; mm4 *= kernel 0 modifiers.
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movq [rdi+16], mm1
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movq mm1, [rsi+24]
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pmullw mm1, [rax+24] ; mm4 *= kernel 0 modifiers.
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movq [rdi+24], mm1
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; begin epilog
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pop rdi
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pop rsi
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UNSHADOW_ARGS
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pop rbp
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ret
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;void dequant_idct_add_mmx(
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;short *input, 0
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;short *dq, 1
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;unsigned char *dest, 2
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;int stride) 3
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global sym(vp8_dequant_idct_add_mmx) PRIVATE
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sym(vp8_dequant_idct_add_mmx):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 4
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GET_GOT rbx
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push rdi
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; end prolog
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mov rax, arg(0) ;input
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mov rdx, arg(1) ;dq
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movq mm0, [rax ]
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pmullw mm0, [rdx]
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movq mm1, [rax +8]
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pmullw mm1, [rdx +8]
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movq mm2, [rax+16]
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pmullw mm2, [rdx+16]
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movq mm3, [rax+24]
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pmullw mm3, [rdx+24]
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mov rdx, arg(2) ;dest
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pxor mm7, mm7
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movq [rax], mm7
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movq [rax+8], mm7
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movq [rax+16],mm7
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movq [rax+24],mm7
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movsxd rdi, dword ptr arg(3) ;stride
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psubw mm0, mm2 ; b1= 0-2
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paddw mm2, mm2 ;
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movq mm5, mm1
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paddw mm2, mm0 ; a1 =0+2
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pmulhw mm5, [GLOBAL(x_s1sqr2)];
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paddw mm5, mm1 ; ip1 * sin(pi/8) * sqrt(2)
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movq mm7, mm3 ;
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pmulhw mm7, [GLOBAL(x_c1sqr2less1)];
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paddw mm7, mm3 ; ip3 * cos(pi/8) * sqrt(2)
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psubw mm7, mm5 ; c1
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movq mm5, mm1
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movq mm4, mm3
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pmulhw mm5, [GLOBAL(x_c1sqr2less1)]
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paddw mm5, mm1
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pmulhw mm3, [GLOBAL(x_s1sqr2)]
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paddw mm3, mm4
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paddw mm3, mm5 ; d1
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movq mm6, mm2 ; a1
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movq mm4, mm0 ; b1
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paddw mm2, mm3 ;0
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paddw mm4, mm7 ;1
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psubw mm0, mm7 ;2
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psubw mm6, mm3 ;3
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movq mm1, mm2 ; 03 02 01 00
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movq mm3, mm4 ; 23 22 21 20
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punpcklwd mm1, mm0 ; 11 01 10 00
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punpckhwd mm2, mm0 ; 13 03 12 02
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punpcklwd mm3, mm6 ; 31 21 30 20
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punpckhwd mm4, mm6 ; 33 23 32 22
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movq mm0, mm1 ; 11 01 10 00
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movq mm5, mm2 ; 13 03 12 02
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punpckldq mm0, mm3 ; 30 20 10 00
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punpckhdq mm1, mm3 ; 31 21 11 01
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punpckldq mm2, mm4 ; 32 22 12 02
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punpckhdq mm5, mm4 ; 33 23 13 03
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movq mm3, mm5 ; 33 23 13 03
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psubw mm0, mm2 ; b1= 0-2
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paddw mm2, mm2 ;
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movq mm5, mm1
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paddw mm2, mm0 ; a1 =0+2
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pmulhw mm5, [GLOBAL(x_s1sqr2)];
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paddw mm5, mm1 ; ip1 * sin(pi/8) * sqrt(2)
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movq mm7, mm3 ;
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pmulhw mm7, [GLOBAL(x_c1sqr2less1)];
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paddw mm7, mm3 ; ip3 * cos(pi/8) * sqrt(2)
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psubw mm7, mm5 ; c1
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movq mm5, mm1
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movq mm4, mm3
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pmulhw mm5, [GLOBAL(x_c1sqr2less1)]
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paddw mm5, mm1
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pmulhw mm3, [GLOBAL(x_s1sqr2)]
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paddw mm3, mm4
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paddw mm3, mm5 ; d1
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paddw mm0, [GLOBAL(fours)]
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paddw mm2, [GLOBAL(fours)]
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movq mm6, mm2 ; a1
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movq mm4, mm0 ; b1
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paddw mm2, mm3 ;0
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paddw mm4, mm7 ;1
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psubw mm0, mm7 ;2
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psubw mm6, mm3 ;3
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psraw mm2, 3
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psraw mm0, 3
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psraw mm4, 3
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psraw mm6, 3
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movq mm1, mm2 ; 03 02 01 00
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movq mm3, mm4 ; 23 22 21 20
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punpcklwd mm1, mm0 ; 11 01 10 00
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punpckhwd mm2, mm0 ; 13 03 12 02
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punpcklwd mm3, mm6 ; 31 21 30 20
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punpckhwd mm4, mm6 ; 33 23 32 22
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movq mm0, mm1 ; 11 01 10 00
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movq mm5, mm2 ; 13 03 12 02
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punpckldq mm0, mm3 ; 30 20 10 00
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punpckhdq mm1, mm3 ; 31 21 11 01
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punpckldq mm2, mm4 ; 32 22 12 02
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punpckhdq mm5, mm4 ; 33 23 13 03
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pxor mm7, mm7
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movd mm4, [rdx]
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punpcklbw mm4, mm7
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paddsw mm0, mm4
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packuswb mm0, mm7
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movd [rdx], mm0
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movd mm4, [rdx+rdi]
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punpcklbw mm4, mm7
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paddsw mm1, mm4
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packuswb mm1, mm7
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movd [rdx+rdi], mm1
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movd mm4, [rdx+2*rdi]
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punpcklbw mm4, mm7
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paddsw mm2, mm4
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packuswb mm2, mm7
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movd [rdx+rdi*2], mm2
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add rdx, rdi
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movd mm4, [rdx+2*rdi]
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punpcklbw mm4, mm7
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paddsw mm5, mm4
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packuswb mm5, mm7
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movd [rdx+rdi*2], mm5
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; begin epilog
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pop rdi
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RESTORE_GOT
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UNSHADOW_ARGS
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pop rbp
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ret
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SECTION_RODATA
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align 16
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x_s1sqr2:
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times 4 dw 0x8A8C
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align 16
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x_c1sqr2less1:
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times 4 dw 0x4E7B
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align 16
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fours:
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times 4 dw 0x0004
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