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FFmpeg/libavcodec/x86/h264_intrapred.asm
Jason Garrett-Glaser 17dc7c7a60 Fix h264/vp8 intra pred on Athlon XP 
Whose idea was it to have a CPU that didn't SIGILL on an invalid instruction?

Originally committed as revision 23927 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-01 10:29:47 +00:00

603 lines
14 KiB
NASM
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;******************************************************************************
;* H.264 intra prediction asm optimizations
;* Copyright (c) 2010 Jason Garrett-Glaser
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg 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
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "x86inc.asm"
SECTION_RODATA
tm_shuf: times 8 db 0x03, 0x80
SECTION .text
cextern pb_1
cextern pb_3
;-----------------------------------------------------------------------------
; void pred16x16_vertical(uint8_t *src, int stride)
;-----------------------------------------------------------------------------
cglobal pred16x16_vertical_mmx, 2,3
sub r0, r1
mov r2, 8
movq mm0, [r0+0]
movq mm1, [r0+8]
.loop:
movq [r0+r1*1+0], mm0
movq [r0+r1*1+8], mm1
movq [r0+r1*2+0], mm0
movq [r0+r1*2+8], mm1
lea r0, [r0+r1*2]
dec r2
jg .loop
REP_RET
cglobal pred16x16_vertical_sse, 2,3
sub r0, r1
mov r2, 4
movaps xmm0, [r0]
.loop:
movaps [r0+r1*1], xmm0
movaps [r0+r1*2], xmm0
lea r0, [r0+r1*2]
movaps [r0+r1*1], xmm0
movaps [r0+r1*2], xmm0
lea r0, [r0+r1*2]
dec r2
jg .loop
REP_RET
;-----------------------------------------------------------------------------
; void pred16x16_horizontal(uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro PRED16x16_H 1
cglobal pred16x16_horizontal_%1, 2,3
mov r2, 8
%ifidn %1, ssse3
mova m2, [pb_3]
%endif
.loop:
movd m0, [r0+r1*0-4]
movd m1, [r0+r1*1-4]
%ifidn %1, ssse3
pshufb m0, m2
pshufb m1, m2
%else
punpcklbw m0, m0
punpcklbw m1, m1
%ifidn %1, mmxext
pshufw m0, m0, 0xff
pshufw m1, m1, 0xff
%else
punpckhwd m0, m0
punpckhwd m1, m1
punpckhdq m0, m0
punpckhdq m1, m1
%endif
mova [r0+r1*0+8], m0
mova [r0+r1*1+8], m1
%endif
mova [r0+r1*0], m0
mova [r0+r1*1], m1
lea r0, [r0+r1*2]
dec r2
jg .loop
REP_RET
%endmacro
INIT_MMX
PRED16x16_H mmx
PRED16x16_H mmxext
INIT_XMM
PRED16x16_H ssse3
;-----------------------------------------------------------------------------
; void pred16x16_dc(uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro PRED16x16_DC 1
cglobal pred16x16_dc_%1, 2,7
mov r4, r0
sub r0, r1
pxor mm0, mm0
pxor mm1, mm1
psadbw mm0, [r0+0]
psadbw mm1, [r0+8]
dec r0
movzx r5d, byte [r0+r1*1]
paddw mm0, mm1
movd r6d, mm0
lea r0, [r0+r1*2]
%rep 7
movzx r2d, byte [r0+r1*0]
movzx r3d, byte [r0+r1*1]
add r5d, r2d
add r6d, r3d
lea r0, [r0+r1*2]
%endrep
movzx r2d, byte [r0+r1*0]
add r5d, r6d
lea r2d, [r2+r5+16]
shr r2d, 5
%ifidn %1, mmxext
movd m0, r2d
punpcklbw m0, m0
pshufw m0, m0, 0
%elifidn %1, sse2
movd m0, r2d
punpcklbw m0, m0
pshuflw m0, m0, 0
punpcklqdq m0, m0
%elifidn %1, ssse3
pxor m1, m1
movd m0, r2d
pshufb m0, m1
%endif
%if mmsize==8
mov r3d, 8
.loop:
mova [r4+r1*0+0], m0
mova [r4+r1*0+8], m0
mova [r4+r1*1+0], m0
mova [r4+r1*1+8], m0
%else
mov r3d, 4
.loop:
mova [r4+r1*0], m0
mova [r4+r1*1], m0
lea r4, [r4+r1*2]
mova [r4+r1*0], m0
mova [r4+r1*1], m0
%endif
lea r4, [r4+r1*2]
dec r3d
jg .loop
REP_RET
%endmacro
INIT_MMX
PRED16x16_DC mmxext
INIT_XMM
PRED16x16_DC sse2
PRED16x16_DC ssse3
;-----------------------------------------------------------------------------
; void pred16x16_tm_vp8(uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro PRED16x16_TM_MMX 1
cglobal pred16x16_tm_vp8_%1, 2,5
sub r0, r1
pxor mm7, mm7
movq mm0, [r0+0]
movq mm2, [r0+8]
movq mm1, mm0
movq mm3, mm2
punpcklbw mm0, mm7
punpckhbw mm1, mm7
punpcklbw mm2, mm7
punpckhbw mm3, mm7
movzx r3d, byte [r0-1]
mov r4d, 16
.loop:
movzx r2d, byte [r0+r1-1]
sub r2d, r3d
movd mm4, r2d
%ifidn %1, mmx
punpcklwd mm4, mm4
punpckldq mm4, mm4
%else
pshufw mm4, mm4, 0
%endif
movq mm5, mm4
movq mm6, mm4
movq mm7, mm4
paddw mm4, mm0
paddw mm5, mm1
paddw mm6, mm2
paddw mm7, mm3
packuswb mm4, mm5
packuswb mm6, mm7
movq [r0+r1+0], mm4
movq [r0+r1+8], mm6
add r0, r1
dec r4d
jg .loop
REP_RET
%endmacro
PRED16x16_TM_MMX mmx
PRED16x16_TM_MMX mmxext
cglobal pred16x16_tm_vp8_sse2, 2,6,6
sub r0, r1
pxor xmm2, xmm2
movdqa xmm0, [r0]
movdqa xmm1, xmm0
punpcklbw xmm0, xmm2
punpckhbw xmm1, xmm2
movzx r4d, byte [r0-1]
mov r5d, 8
.loop:
movzx r2d, byte [r0+r1*1-1]
movzx r3d, byte [r0+r1*2-1]
sub r2d, r4d
sub r3d, r4d
movd xmm2, r2d
movd xmm4, r3d
pshuflw xmm2, xmm2, 0
pshuflw xmm4, xmm4, 0
punpcklqdq xmm2, xmm2
punpcklqdq xmm4, xmm4
movdqa xmm3, xmm2
movdqa xmm5, xmm4
paddw xmm2, xmm0
paddw xmm3, xmm1
paddw xmm4, xmm0
paddw xmm5, xmm1
packuswb xmm2, xmm3
packuswb xmm4, xmm5
movdqa [r0+r1*1], xmm2
movdqa [r0+r1*2], xmm4
lea r0, [r0+r1*2]
dec r5d
jg .loop
REP_RET
;-----------------------------------------------------------------------------
; void pred8x8_vertical(uint8_t *src, int stride)
;-----------------------------------------------------------------------------
cglobal pred8x8_vertical_mmx, 2,2
sub r0, r1
movq mm0, [r0]
%rep 3
movq [r0+r1*1], mm0
movq [r0+r1*2], mm0
lea r0, [r0+r1*2]
%endrep
movq [r0+r1*1], mm0
movq [r0+r1*2], mm0
RET
;-----------------------------------------------------------------------------
; void pred8x8_horizontal(uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro PRED8x8_H 1
cglobal pred8x8_horizontal_%1, 2,3
mov r2, 4
%ifidn %1, ssse3
mova m2, [pb_3]
%endif
.loop:
movd m0, [r0+r1*0-4]
movd m1, [r0+r1*1-4]
%ifidn %1, ssse3
pshufb m0, m2
pshufb m1, m2
%else
punpcklbw m0, m0
punpcklbw m1, m1
%ifidn %1, mmxext
pshufw m0, m0, 0xff
pshufw m1, m1, 0xff
%else
punpckhwd m0, m0
punpckhwd m1, m1
punpckhdq m0, m0
punpckhdq m1, m1
%endif
%endif
mova [r0+r1*0], m0
mova [r0+r1*1], m1
lea r0, [r0+r1*2]
dec r2
jg .loop
REP_RET
%endmacro
INIT_MMX
PRED8x8_H mmx
PRED8x8_H mmxext
PRED8x8_H ssse3
;-----------------------------------------------------------------------------
; void pred8x8_dc_rv40(uint8_t *src, int stride)
;-----------------------------------------------------------------------------
cglobal pred8x8_dc_rv40_mmxext, 2,7
mov r4, r0
sub r0, r1
pxor mm0, mm0
psadbw mm0, [r0]
dec r0
movzx r5d, byte [r0+r1*1]
movd r6d, mm0
lea r0, [r0+r1*2]
%rep 3
movzx r2d, byte [r0+r1*0]
movzx r3d, byte [r0+r1*1]
add r5d, r2d
add r6d, r3d
lea r0, [r0+r1*2]
%endrep
movzx r2d, byte [r0+r1*0]
add r5d, r6d
lea r2d, [r2+r5+8]
shr r2d, 4
movd mm0, r2d
punpcklbw mm0, mm0
pshufw mm0, mm0, 0
mov r3d, 4
.loop:
movq [r4+r1*0], mm0
movq [r4+r1*1], mm0
lea r4, [r4+r1*2]
dec r3d
jg .loop
REP_RET
;-----------------------------------------------------------------------------
; void pred8x8_tm_vp8(uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro PRED8x8_TM_MMX 1
cglobal pred8x8_tm_vp8_%1, 2,6
sub r0, r1
pxor mm7, mm7
movq mm0, [r0]
movq mm1, mm0
punpcklbw mm0, mm7
punpckhbw mm1, mm7
movzx r4d, byte [r0-1]
mov r5d, 4
.loop:
movzx r2d, byte [r0+r1*1-1]
movzx r3d, byte [r0+r1*2-1]
sub r2d, r4d
sub r3d, r4d
movd mm2, r2d
movd mm4, r3d
%ifidn %1, mmx
punpcklwd mm2, mm2
punpcklwd mm4, mm4
punpckldq mm2, mm2
punpckldq mm4, mm4
%else
pshufw mm2, mm2, 0
pshufw mm4, mm4, 0
%endif
movq mm3, mm2
movq mm5, mm4
paddw mm2, mm0
paddw mm3, mm1
paddw mm4, mm0
paddw mm5, mm1
packuswb mm2, mm3
packuswb mm4, mm5
movq [r0+r1*1], mm2
movq [r0+r1*2], mm4
lea r0, [r0+r1*2]
dec r5d
jg .loop
REP_RET
%endmacro
PRED8x8_TM_MMX mmx
PRED8x8_TM_MMX mmxext
cglobal pred8x8_tm_vp8_sse2, 2,6,4
sub r0, r1
pxor xmm1, xmm1
movq xmm0, [r0]
punpcklbw xmm0, xmm1
movzx r4d, byte [r0-1]
mov r5d, 4
.loop:
movzx r2d, byte [r0+r1*1-1]
movzx r3d, byte [r0+r1*2-1]
sub r2d, r4d
sub r3d, r4d
movd xmm2, r2d
movd xmm3, r3d
pshuflw xmm2, xmm2, 0
pshuflw xmm3, xmm3, 0
punpcklqdq xmm2, xmm2
punpcklqdq xmm3, xmm3
paddw xmm2, xmm0
paddw xmm3, xmm0
packuswb xmm2, xmm3
movq [r0+r1*1], xmm2
movhps [r0+r1*2], xmm2
lea r0, [r0+r1*2]
dec r5d
jg .loop
REP_RET
cglobal pred8x8_tm_vp8_ssse3, 2,3,6
sub r0, r1
movdqa xmm4, [tm_shuf]
pxor xmm1, xmm1
movq xmm0, [r0]
punpcklbw xmm0, xmm1
movd xmm5, [r0-4]
pshufb xmm5, xmm4
mov r2d, 4
.loop:
movd xmm2, [r0+r1*1-4]
movd xmm3, [r0+r1*2-4]
pshufb xmm2, xmm4
pshufb xmm3, xmm4
psubw xmm2, xmm5
psubw xmm3, xmm5
paddw xmm2, xmm0
paddw xmm3, xmm0
packuswb xmm2, xmm3
movq [r0+r1*1], xmm2
movhps [r0+r1*2], xmm2
lea r0, [r0+r1*2]
dec r2d
jg .loop
REP_RET
;-----------------------------------------------------------------------------
; void pred4x4_dc_mmxext(uint8_t *src, const uint8_t *topright, int stride)
;-----------------------------------------------------------------------------
cglobal pred4x4_dc_mmxext, 3,5
pxor mm7, mm7
mov r4, r0
sub r0, r2
movd mm0, [r0]
psadbw mm0, mm7
movzx r1d, byte [r0+r2*1-1]
movd r3d, mm0
add r3d, r1d
movzx r1d, byte [r0+r2*2-1]
lea r0, [r0+r2*2]
add r3d, r1d
movzx r1d, byte [r0+r2*1-1]
add r3d, r1d
movzx r1d, byte [r0+r2*2-1]
add r3d, r1d
add r3d, 4
shr r3d, 3
imul r3d, 0x01010101
mov [r4+r2*0], r3d
mov [r0+r2*0], r3d
mov [r0+r2*1], r3d
mov [r0+r2*2], r3d
RET
;-----------------------------------------------------------------------------
; void pred4x4_tm_vp8_mmxext(uint8_t *src, const uint8_t *topright, int stride)
;-----------------------------------------------------------------------------
%macro PRED4x4_TM_MMX 1
cglobal pred4x4_tm_vp8_%1, 3,6
sub r0, r2
pxor mm7, mm7
movd mm0, [r0]
punpcklbw mm0, mm7
movzx r4d, byte [r0-1]
mov r5d, 2
.loop:
movzx r1d, byte [r0+r2*1-1]
movzx r3d, byte [r0+r2*2-1]
sub r1d, r4d
sub r3d, r4d
movd mm2, r1d
movd mm4, r3d
%ifidn %1, mmx
punpcklwd mm2, mm2
punpcklwd mm4, mm4
punpckldq mm2, mm2
punpckldq mm4, mm4
%else
pshufw mm2, mm2, 0
pshufw mm4, mm4, 0
%endif
paddw mm2, mm0
paddw mm4, mm0
packuswb mm2, mm2
packuswb mm4, mm4
movd [r0+r2*1], mm2
movd [r0+r2*2], mm4
lea r0, [r0+r2*2]
dec r5d
jg .loop
REP_RET
%endmacro
PRED4x4_TM_MMX mmx
PRED4x4_TM_MMX mmxext
cglobal pred4x4_tm_vp8_ssse3, 3,3
sub r0, r2
movq mm6, [tm_shuf]
pxor mm1, mm1
movd mm0, [r0]
punpcklbw mm0, mm1
movd mm7, [r0-4]
pshufb mm7, mm6
lea r1, [r0+r2*2]
movd mm2, [r0+r2*1-4]
movd mm3, [r0+r2*2-4]
movd mm4, [r1+r2*1-4]
movd mm5, [r1+r2*2-4]
pshufb mm2, mm6
pshufb mm3, mm6
pshufb mm4, mm6
pshufb mm5, mm6
psubw mm2, mm7
psubw mm3, mm7
psubw mm4, mm7
psubw mm5, mm7
paddw mm2, mm0
paddw mm3, mm0
paddw mm4, mm0
paddw mm5, mm0
packuswb mm2, mm2
packuswb mm3, mm3
packuswb mm4, mm4
packuswb mm5, mm5
movd [r0+r2*1], mm2
movd [r0+r2*2], mm3
movd [r1+r2*1], mm4
movd [r1+r2*2], mm5
RET
; dest, left, right, src, tmp
; output: %1 = (t[n-1] + t[n]*2 + t[n+1] + 2) >> 2
%macro PRED4x4_LOWPASS 5
mova %5, %2
pavgb %2, %3
pxor %3, %5
mova %1, %4
pand %3, [pb_1]
psubusb %2, %3
pavgb %1, %2
%endmacro
;-----------------------------------------------------------------------------
; void pred4x4_vertical_vp8_mmxext(uint8_t *src, const uint8_t *topright, int stride)
;-----------------------------------------------------------------------------
INIT_MMX
cglobal pred4x4_vertical_vp8_mmxext, 3,3
sub r0, r2
movd m1, [r0-1]
movd m0, [r0]
mova m2, m0 ;t0 t1 t2 t3
punpckldq m0, [r1] ;t0 t1 t2 t3 t4 t5 t6 t7
lea r1, [r0+r2*2]
psrlq m0, 8 ;t1 t2 t3 t4
PRED4x4_LOWPASS m3, m1, m0, m2, m4
movd [r0+r2*1], m3
movd [r0+r2*2], m3
movd [r1+r2*1], m3
movd [r1+r2*2], m3
RET
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