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predict-a.asm
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上传日期：2021-12-09
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Visual C++
- ;*****************************************************************************
- ;* predict-a.asm: h264 encoder library
- ;*****************************************************************************
- ;* Copyright (C) 2005-2008 x264 project
- ;*
- ;* Authors: Loren Merritt <lorenm@u.washington.edu>
- ;* Jason Garrett-Glaser <darkshikari@gmail.com>
- ;*
- ;* This program is free software; you can redistribute it and/or modify
- ;* it under the terms of the GNU General Public License as published by
- ;* the Free Software Foundation; either version 2 of the License, or
- ;* (at your option) any later version.
- ;*
- ;* This program is distributed in the hope that it will be useful,
- ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
- ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ;* GNU General Public License for more details.
- ;*
- ;* You should have received a copy of the GNU General Public License
- ;* along with this program; if not, write to the Free Software
- ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
- ;*****************************************************************************
- %include "x86inc.asm"
- %include "x86util.asm"
- %macro STORE8x8 2
- movq [r0 + 0*FDEC_STRIDE], %1
- movq [r0 + 1*FDEC_STRIDE], %1
- movq [r0 + 2*FDEC_STRIDE], %1
- movq [r0 + 3*FDEC_STRIDE], %1
- movq [r0 + 4*FDEC_STRIDE], %2
- movq [r0 + 5*FDEC_STRIDE], %2
- movq [r0 + 6*FDEC_STRIDE], %2
- movq [r0 + 7*FDEC_STRIDE], %2
- %endmacro
- %macro STORE16x16 2
- mov r1d, 4
- .loop:
- movq [r0 + 0*FDEC_STRIDE], %1
- movq [r0 + 1*FDEC_STRIDE], %1
- movq [r0 + 2*FDEC_STRIDE], %1
- movq [r0 + 3*FDEC_STRIDE], %1
- movq [r0 + 0*FDEC_STRIDE + 8], %2
- movq [r0 + 1*FDEC_STRIDE + 8], %2
- movq [r0 + 2*FDEC_STRIDE + 8], %2
- movq [r0 + 3*FDEC_STRIDE + 8], %2
- add r0, 4*FDEC_STRIDE
- dec r1d
- jg .loop
- %endmacro
- %macro STORE16x16_SSE2 1
- mov r1d, 4
- .loop:
- movdqa [r0 + 0*FDEC_STRIDE], %1
- movdqa [r0 + 1*FDEC_STRIDE], %1
- movdqa [r0 + 2*FDEC_STRIDE], %1
- movdqa [r0 + 3*FDEC_STRIDE], %1
- add r0, 4*FDEC_STRIDE
- dec r1d
- jg .loop
- %endmacro
- SECTION_RODATA
- ALIGN 16
- pb_1: times 16 db 1
- pb_3: times 16 db 3
- pw_2: times 4 dw 2
- pw_4: times 4 dw 4
- pw_8: times 8 dw 8
- pw_76543210:
- pw_3210: dw 0, 1, 2, 3, 4, 5, 6, 7
- pb_00s_ff: times 8 db 0
- pb_0s_ff: times 7 db 0
- db 0xff
- SECTION .text
- ; dest, left, right, src, tmp
- ; output: %1 = (t[n-1] + t[n]*2 + t[n+1] + 2) >> 2
- %macro PRED8x8_LOWPASS0 6
- mov%6 %5, %2
- pavgb %2, %3
- pxor %3, %5
- mov%6 %1, %4
- pand %3, [pb_1 GLOBAL]
- psubusb %2, %3
- pavgb %1, %2
- %endmacro
- %macro PRED8x8_LOWPASS 5
- PRED8x8_LOWPASS0 %1, %2, %3, %4, %5, q
- %endmacro
- %macro PRED8x8_LOWPASS_XMM 5
- PRED8x8_LOWPASS0 %1, %2, %3, %4, %5, dqa
- %endmacro
- ;-----------------------------------------------------------------------------
- ; void predict_4x4_ddl_mmxext( uint8_t *src )
- ;-----------------------------------------------------------------------------
- cglobal predict_4x4_ddl_mmxext, 1,1
- sub r0, FDEC_STRIDE
- movq mm3, [r0]
- movq mm1, [r0-1]
- movq mm2, mm3
- movq mm4, [pb_0s_ff GLOBAL]
- psrlq mm2, 8
- pand mm4, mm3
- por mm2, mm4
- PRED8x8_LOWPASS mm0, mm1, mm2, mm3, mm5
- %assign Y 1
- %rep 4
- psrlq mm0, 8
- movd [r0+Y*FDEC_STRIDE], mm0
- %assign Y (Y+1)
- %endrep
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_4x4_vl_mmxext( uint8_t *src )
- ;-----------------------------------------------------------------------------
- cglobal predict_4x4_vl_mmxext, 1,1
- movq mm1, [r0-FDEC_STRIDE]
- movq mm3, mm1
- movq mm2, mm1
- psrlq mm3, 8
- psrlq mm2, 16
- movq mm4, mm3
- pavgb mm4, mm1
- PRED8x8_LOWPASS mm0, mm1, mm2, mm3, mm5
- movd [r0+0*FDEC_STRIDE], mm4
- movd [r0+1*FDEC_STRIDE], mm0
- psrlq mm4, 8
- psrlq mm0, 8
- movd [r0+2*FDEC_STRIDE], mm4
- movd [r0+3*FDEC_STRIDE], mm0
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_4x4_dc( uint8_t *src )
- ;-----------------------------------------------------------------------------
- cglobal predict_4x4_dc_mmxext, 1,4
- pxor mm7, mm7
- movd mm0, [r0-FDEC_STRIDE]
- psadbw mm0, mm7
- movd r3d, mm0
- movzx r1d, byte [r0-1]
- %assign n 1
- %rep 3
- movzx r2d, byte [r0+FDEC_STRIDE*n-1]
- add r1d, r2d
- %assign n n+1
- %endrep
- lea r1d, [r1+r3+4]
- shr r1d, 3
- imul r1d, 0x01010101
- mov [r0+FDEC_STRIDE*0], r1d
- mov [r0+FDEC_STRIDE*1], r1d
- mov [r0+FDEC_STRIDE*2], r1d
- mov [r0+FDEC_STRIDE*3], r1d
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_8x8_v_mmxext( uint8_t *src, uint8_t *edge )
- ;-----------------------------------------------------------------------------
- cglobal predict_8x8_v_mmxext, 2,2
- movq mm0, [r1+16]
- STORE8x8 mm0, mm0
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_8x8_h_mmxext( uint8_t *src, uint8_t edge[33] )
- ;-----------------------------------------------------------------------------
- INIT_MMX
- cglobal predict_8x8_h_mmxext, 2,2
- movu m3, [r1+7]
- mova m7, m3
- punpckhbw m3, m3
- punpcklbw m7, m7
- pshufw m0, m3, 0xff
- pshufw m1, m3, 0xaa
- pshufw m2, m3, 0x55
- pshufw m3, m3, 0x00
- pshufw m4, m7, 0xff
- pshufw m5, m7, 0xaa
- pshufw m6, m7, 0x55
- pshufw m7, m7, 0x00
- %assign n 0
- %rep 8
- mova [r0+n*FDEC_STRIDE], m %+ n
- %assign n n+1
- %endrep
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_8x8_dc_mmxext( uint8_t *src, uint8_t *edge );
- ;-----------------------------------------------------------------------------
- cglobal predict_8x8_dc_mmxext, 2,2
- pxor mm0, mm0
- pxor mm1, mm1
- psadbw mm0, [r1+7]
- psadbw mm1, [r1+16]
- paddw mm0, [pw_8 GLOBAL]
- paddw mm0, mm1
- psrlw mm0, 4
- pshufw mm0, mm0, 0
- packuswb mm0, mm0
- STORE8x8 mm0, mm0
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_8x8_dc_top_mmxext( uint8_t *src, uint8_t *edge );
- ;-----------------------------------------------------------------------------
- %macro PRED8x8_DC 2
- cglobal %1, 2,2
- pxor mm0, mm0
- psadbw mm0, [r1+%2]
- paddw mm0, [pw_4 GLOBAL]
- psrlw mm0, 3
- pshufw mm0, mm0, 0
- packuswb mm0, mm0
- STORE8x8 mm0, mm0
- RET
- %endmacro
- PRED8x8_DC predict_8x8_dc_top_mmxext, 16
- PRED8x8_DC predict_8x8_dc_left_mmxext, 7
- %ifndef ARCH_X86_64
- ; sse2 is faster even on amd, so there's no sense in spending exe size on these
- ; functions if we know sse2 is available.
- ;-----------------------------------------------------------------------------
- ; void predict_8x8_ddl_mmxext( uint8_t *src, uint8_t *edge )
- ;-----------------------------------------------------------------------------
- cglobal predict_8x8_ddl_mmxext, 2,2
- movq mm5, [r1+16]
- movq mm2, [r1+17]
- movq mm3, [r1+23]
- movq mm4, [r1+25]
- movq mm1, mm5
- psllq mm1, 8
- PRED8x8_LOWPASS mm0, mm1, mm2, mm5, mm7
- PRED8x8_LOWPASS mm1, mm3, mm4, [r1+24], mm6
- %assign Y 7
- %rep 6
- movq [r0+Y*FDEC_STRIDE], mm1
- movq mm2, mm0
- psllq mm1, 8
- psrlq mm2, 56
- psllq mm0, 8
- por mm1, mm2
- %assign Y (Y-1)
- %endrep
- movq [r0+Y*FDEC_STRIDE], mm1
- psllq mm1, 8
- psrlq mm0, 56
- por mm1, mm0
- %assign Y (Y-1)
- movq [r0+Y*FDEC_STRIDE], mm1
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_8x8_ddr_mmxext( uint8_t *src, uint8_t *edge )
- ;-----------------------------------------------------------------------------
- cglobal predict_8x8_ddr_mmxext, 2,2
- movq mm1, [r1+7]
- movq mm2, [r1+9]
- movq mm3, [r1+15]
- movq mm4, [r1+17]
- PRED8x8_LOWPASS mm0, mm1, mm2, [r1+8], mm7
- PRED8x8_LOWPASS mm1, mm3, mm4, [r1+16], mm6
- %assign Y 7
- %rep 6
- movq [r0+Y*FDEC_STRIDE], mm0
- movq mm2, mm1
- psrlq mm0, 8
- psllq mm2, 56
- psrlq mm1, 8
- por mm0, mm2
- %assign Y (Y-1)
- %endrep
- movq [r0+Y*FDEC_STRIDE], mm0
- psrlq mm0, 8
- psllq mm1, 56
- por mm0, mm1
- %assign Y (Y-1)
- movq [r0+Y*FDEC_STRIDE], mm0
- RET
- %endif ; !ARCH_X86_64
- ;-----------------------------------------------------------------------------
- ; void predict_8x8_ddl_sse2( uint8_t *src, uint8_t *edge )
- ;-----------------------------------------------------------------------------
- cglobal predict_8x8_ddl_sse2, 2,2
- movdqa xmm3, [r1+16]
- movdqu xmm2, [r1+17]
- movdqa xmm1, xmm3
- pslldq xmm1, 1
- PRED8x8_LOWPASS_XMM xmm0, xmm1, xmm2, xmm3, xmm4
- %assign Y 0
- %rep 8
- psrldq xmm0, 1
- movq [r0+Y*FDEC_STRIDE], xmm0
- %assign Y (Y+1)
- %endrep
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_8x8_ddr_sse2( uint8_t *src, uint8_t *edge )
- ;-----------------------------------------------------------------------------
- cglobal predict_8x8_ddr_sse2, 2,2
- movdqu xmm3, [r1+8]
- movdqu xmm1, [r1+7]
- movdqa xmm2, xmm3
- psrldq xmm2, 1
- PRED8x8_LOWPASS_XMM xmm0, xmm1, xmm2, xmm3, xmm4
- movdqa xmm1, xmm0
- psrldq xmm1, 1
- %assign Y 7
- %rep 3
- movq [r0+Y*FDEC_STRIDE], xmm0
- movq [r0+(Y-1)*FDEC_STRIDE], xmm1
- psrldq xmm0, 2
- psrldq xmm1, 2
- %assign Y (Y-2)
- %endrep
- movq [r0+1*FDEC_STRIDE], xmm0
- movq [r0+0*FDEC_STRIDE], xmm1
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_8x8_vl_sse2( uint8_t *src, uint8_t *edge )
- ;-----------------------------------------------------------------------------
- cglobal predict_8x8_vl_sse2, 2,2
- movdqa xmm4, [r1+16]
- movdqa xmm2, xmm4
- movdqa xmm1, xmm4
- movdqa xmm3, xmm4
- psrldq xmm2, 1
- pslldq xmm1, 1
- pavgb xmm3, xmm2
- PRED8x8_LOWPASS_XMM xmm0, xmm1, xmm2, xmm4, xmm5
- ; xmm0: (t0 + 2*t1 + t2 + 2) >> 2
- ; xmm3: (t0 + t1 + 1) >> 1
- %assign Y 0
- %rep 3
- psrldq xmm0, 1
- movq [r0+ Y *FDEC_STRIDE], xmm3
- movq [r0+(Y+1)*FDEC_STRIDE], xmm0
- psrldq xmm3, 1
- %assign Y (Y+2)
- %endrep
- psrldq xmm0, 1
- movq [r0+ Y *FDEC_STRIDE], xmm3
- movq [r0+(Y+1)*FDEC_STRIDE], xmm0
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_8x8_vr_core_mmxext( uint8_t *src, uint8_t *edge )
- ;-----------------------------------------------------------------------------
- ; fills only some pixels:
- ; f01234567
- ; 0........
- ; 1,,,,,,,,
- ; 2 .......
- ; 3 ,,,,,,,
- ; 4 ......
- ; 5 ,,,,,,
- ; 6 .....
- ; 7 ,,,,,
- cglobal predict_8x8_vr_core_mmxext, 2,2
- movq mm2, [r1+16]
- movq mm3, [r1+15]
- movq mm1, [r1+14]
- movq mm4, mm3
- pavgb mm3, mm2
- PRED8x8_LOWPASS mm0, mm1, mm2, mm4, mm7
- %assign Y 0
- %rep 3
- movq [r0+ Y *FDEC_STRIDE], mm3
- movq [r0+(Y+1)*FDEC_STRIDE], mm0
- psllq mm3, 8
- psllq mm0, 8
- %assign Y (Y+2)
- %endrep
- movq [r0+ Y *FDEC_STRIDE], mm3
- movq [r0+(Y+1)*FDEC_STRIDE], mm0
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_8x8c_v_mmx( uint8_t *src )
- ;-----------------------------------------------------------------------------
- cglobal predict_8x8c_v_mmx, 1,1
- movq mm0, [r0 - FDEC_STRIDE]
- STORE8x8 mm0, mm0
- RET
- ;-----------------------------------------------------------------------------
- ; void predict_8x8c_h_mmxext( uint8_t *src )
- ;-----------------------------------------------------------------------------
- %macro PRED_8x8C_H 1
- cglobal predict_8x8c_h_%1, 1,1
- %ifidn %1, ssse3
- mova m1, [pb_3 GLOBAL]
- %endif
- %assign n 0
- %rep 8
- SPLATB m0, r0+FDEC_STRIDE*n-1, m1
- mova [r0+FDEC_STRIDE*n], m0
- %assign n n+1
- %endrep
- REP_RET
- %endmacro
- INIT_MMX
- %define SPLATB SPLATB_MMX
- PRED_8x8C_H mmxext
- %define SPLATB SPLATB_SSSE3
- PRED_8x8C_H ssse3
- ;-----------------------------------------------------------------------------
- ; void predict_8x8c_dc_core_mmxext( uint8_t *src, int s2, int s3 )
- ;-----------------------------------------------------------------------------
- cglobal predict_8x8c_dc_core_mmxext, 1,1
- movq mm0, [r0 - FDEC_STRIDE]
- pxor mm1, mm1
- pxor mm2, mm2
- punpckhbw mm1, mm0
- punpcklbw mm0, mm2
- psadbw mm1, mm2 ; s1
- psadbw mm0, mm2 ; s0
- %ifdef ARCH_X86_64
- movd mm4, r1d
- movd mm5, r2d
- paddw mm0, mm4
- pshufw mm2, mm5, 0
- %else
- paddw mm0, r1m
- pshufw mm2, r2m, 0
- %endif
- psrlw mm0, 3
- paddw mm1, [pw_2 GLOBAL]
- movq mm3, mm2
- pshufw mm1, mm1, 0
- pshufw mm0, mm0, 0 ; dc0 (w)
- paddw mm3, mm1
- psrlw mm3, 3 ; dc3 (w)
- psrlw mm2, 2 ; dc2 (w)
- psrlw mm1, 2 ; dc1 (w)
- packuswb mm0, mm1 ; dc0,dc1 (b)
- packuswb mm2, mm3 ; dc2,dc3 (b)
- STORE8x8 mm0, mm2
- RET
- %macro LOAD_PLANE_ARGS 0
- %ifdef ARCH_X86_64
- movd mm0, r1d
- movd mm2, r2d
- movd mm4, r3d
- pshufw mm0, mm0, 0
- pshufw mm2, mm2, 0
- pshufw mm4, mm4, 0
- %else
- pshufw mm0, r1m, 0
- pshufw mm2, r2m, 0
- pshufw mm4, r3m, 0
- %endif
- %endmacro
- ;-----------------------------------------------------------------------------
- ; void predict_8x8c_p_core_mmxext( uint8_t *src, int i00, int b, int c )
- ;-----------------------------------------------------------------------------
- cglobal predict_8x8c_p_core_mmxext, 1,2
- LOAD_PLANE_ARGS
- movq mm1, mm2
- pmullw mm2, [pw_3210 GLOBAL]
- psllw mm1, 2
- paddsw mm0, mm2 ; mm0 = {i+0*b, i+1*b, i+2*b, i+3*b}
- paddsw mm1, mm0 ; mm1 = {i+4*b, i+5*b, i+6*b, i+7*b}
- mov r1d, 8
- ALIGN 4
- .loop:
- movq mm5, mm0
- movq mm6, mm1
- psraw mm5, 5
- psraw mm6, 5
- packuswb mm5, mm6
- movq [r0], mm5
- paddsw mm0, mm4
- paddsw mm1, mm4
- add r0, FDEC_STRIDE
- dec r1d
- jg .loop
- REP_RET
- ;-----------------------------------------------------------------------------
- ; void predict_16x16_p_core_mmxext( uint8_t *src, int i00, int b, int c )
- ;-----------------------------------------------------------------------------
- cglobal predict_16x16_p_core_mmxext, 1,2
- LOAD_PLANE_ARGS
- movq mm5, mm2
- movq mm1, mm2
- pmullw mm5, [pw_3210 GLOBAL]
- psllw mm2, 3
- psllw mm1, 2
- movq mm3, mm2
- paddsw mm0, mm5 ; mm0 = {i+ 0*b, i+ 1*b, i+ 2*b, i+ 3*b}
- paddsw mm1, mm0 ; mm1 = {i+ 4*b, i+ 5*b, i+ 6*b, i+ 7*b}
- paddsw mm2, mm0 ; mm2 = {i+ 8*b, i+ 9*b, i+10*b, i+11*b}
- paddsw mm3, mm1 ; mm3 = {i+12*b, i+13*b, i+14*b, i+15*b}
- mov r1d, 16
- ALIGN 4
- .loop:
- movq mm5, mm0
- movq mm6, mm1
- psraw mm5, 5
- psraw mm6, 5
- packuswb mm5, mm6
- movq [r0], mm5
- movq mm5, mm2
- movq mm6, mm3
- psraw mm5, 5
- psraw mm6, 5
- packuswb mm5, mm6
- movq [r0+8], mm5
- paddsw mm0, mm4
- paddsw mm1, mm4
- paddsw mm2, mm4
- paddsw mm3, mm4
- add r0, FDEC_STRIDE
- dec r1d
- jg .loop
- REP_RET
- ;-----------------------------------------------------------------------------
- ; void predict_16x16_p_core_sse2( uint8_t *src, int i00, int b, int c )
- ;-----------------------------------------------------------------------------
- cglobal predict_16x16_p_core_sse2, 1,2
- movd xmm0, r1m
- movd xmm1, r2m
- movd xmm2, r3m
- pshuflw xmm0, xmm0, 0
- pshuflw xmm1, xmm1, 0
- pshuflw xmm2, xmm2, 0
- punpcklqdq xmm0, xmm0
- punpcklqdq xmm1, xmm1
- punpcklqdq xmm2, xmm2
- movdqa xmm3, xmm1
- pmullw xmm3, [pw_76543210 GLOBAL]
- psllw xmm1, 3
- paddsw xmm0, xmm3 ; xmm0 = {i+ 0*b, i+ 1*b, i+ 2*b, i+ 3*b, i+ 4*b, i+ 5*b, i+ 6*b, i+ 7*b}
- paddsw xmm1, xmm0 ; xmm1 = {i+ 8*b, i+ 9*b, i+10*b, i+11*b, i+12*b, i+13*b, i+14*b, i+15*b}
- mov r1d, 16
- ALIGN 4
- .loop:
- movdqa xmm3, xmm0
- movdqa xmm4, xmm1
- psraw xmm3, 5
- psraw xmm4, 5
- packuswb xmm3, xmm4
- movdqa [r0], xmm3
- paddsw xmm0, xmm2
- paddsw xmm1, xmm2
- add r0, FDEC_STRIDE
- dec r1d
- jg .loop
- REP_RET
- ;-----------------------------------------------------------------------------
- ; void predict_16x16_v_mmx( uint8_t *src )
- ;-----------------------------------------------------------------------------
- cglobal predict_16x16_v_mmx, 1,2
- movq mm0, [r0 - FDEC_STRIDE]
- movq mm1, [r0 - FDEC_STRIDE + 8]
- STORE16x16 mm0, mm1
- REP_RET
- ;-----------------------------------------------------------------------------
- ; void predict_16x16_v_sse2( uint8_t *src )
- ;-----------------------------------------------------------------------------
- cglobal predict_16x16_v_sse2, 1,2
- movdqa xmm0, [r0 - FDEC_STRIDE]
- STORE16x16_SSE2 xmm0
- REP_RET
- ;-----------------------------------------------------------------------------
- ; void predict_16x16_h_mmxext( uint8_t *src )
- ;-----------------------------------------------------------------------------
- %macro PRED_16x16_H 1
- cglobal predict_16x16_h_%1, 1,2
- mov r1, FDEC_STRIDE*12
- %ifidn %1, ssse3
- mova m1, [pb_3 GLOBAL]
- %endif
- .vloop:
- %assign n 0
- %rep 4
- SPLATB m0, r0+r1+FDEC_STRIDE*n-1, m1
- mova [r0+r1+FDEC_STRIDE*n], m0
- %if mmsize==8
- mova [r0+r1+FDEC_STRIDE*n+8], m0
- %endif
- %assign n n+1
- %endrep
- add r1, -FDEC_STRIDE*4
- jge .vloop
- REP_RET
- %endmacro
- ;no SSE2, its slower than MMX on all systems that don't support SSSE3
- INIT_MMX
- %define SPLATB SPLATB_MMX
- PRED_16x16_H mmxext
- INIT_XMM
- %define SPLATB SPLATB_SSSE3
- PRED_16x16_H ssse3
- ;-----------------------------------------------------------------------------
- ; void predict_16x16_dc_core_mmxext( uint8_t *src, int i_dc_left )
- ;-----------------------------------------------------------------------------
- %macro PRED16x16_DC 2
- pxor mm0, mm0
- pxor mm1, mm1
- psadbw mm0, [r0 - FDEC_STRIDE]
- psadbw mm1, [r0 - FDEC_STRIDE + 8]
- paddusw mm0, mm1
- paddusw mm0, %1
- psrlw mm0, %2 ; dc
- pshufw mm0, mm0, 0
- packuswb mm0, mm0 ; dc in bytes
- STORE16x16 mm0, mm0
- %endmacro
- cglobal predict_16x16_dc_core_mmxext, 1,2
- %ifdef ARCH_X86_64
- movd mm2, r1d
- PRED16x16_DC mm2, 5
- %else
- PRED16x16_DC r1m, 5
- %endif
- REP_RET
- cglobal predict_16x16_dc_top_mmxext, 1,2
- PRED16x16_DC [pw_8 GLOBAL], 4
- REP_RET
- ;-----------------------------------------------------------------------------
- ; void predict_16x16_dc_core_sse2( uint8_t *src, int i_dc_left )
- ;-----------------------------------------------------------------------------
- %macro PRED16x16_DC_SSE2 2
- pxor xmm0, xmm0
- psadbw xmm0, [r0 - FDEC_STRIDE]
- movhlps xmm1, xmm0
- paddw xmm0, xmm1
- paddusw xmm0, %1
- psrlw xmm0, %2 ; dc
- pshuflw xmm0, xmm0, 0
- punpcklqdq xmm0, xmm0
- packuswb xmm0, xmm0 ; dc in bytes
- STORE16x16_SSE2 xmm0
- %endmacro
- cglobal predict_16x16_dc_core_sse2, 1,2
- movd xmm2, r1m
- PRED16x16_DC_SSE2 xmm2, 5
- REP_RET
- cglobal predict_16x16_dc_top_sse2, 1,2
- PRED16x16_DC_SSE2 [pw_8 GLOBAL], 4
- REP_RET
