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| author | Timothy Gu <timothygu99@gmail.com> | 2014-05-29 20:56:03 -0700 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-05-30 16:57:52 +0200 |
| commit | 154cee9292840295bff07e31ebd92c8296d8aa2d (patch) | |
| tree | 99f3d50f859d6086c38e9b899818b383f1c09938 /libavcodec/x86/dsputilenc.asm | |
| parent | 0b6292b7b85ccc1437bddbd939b7cf1f8a964b17 (diff) | |
| download | ffmpeg-154cee9292840295bff07e31ebd92c8296d8aa2d.tar.gz | |
x86: dsputilenc: convert ff_sse{8, 16}_mmx() to yasm
Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86/dsputilenc.asm')
| -rw-r--r-- | libavcodec/x86/dsputilenc.asm | 48 |
1 files changed, 35 insertions, 13 deletions
diff --git a/libavcodec/x86/dsputilenc.asm b/libavcodec/x86/dsputilenc.asm index de36b95a30..0628550145 100644 --- a/libavcodec/x86/dsputilenc.asm +++ b/libavcodec/x86/dsputilenc.asm @@ -278,19 +278,27 @@ INIT_XMM ssse3 %define ABS_SUM_8x8 ABS_SUM_8x8_64 HADAMARD8_DIFF 9 -INIT_XMM sse2 -; int ff_sse16_sse2(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, -; int line_size, int h); -cglobal sse16, 5, 5, 8 - shr r4d, 1 +; int ff_sse*_*(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, +; int line_size, int h) + +%macro SUM_SQUARED_ERRORS 1 +cglobal sse%1, 5,5,8, v, pix1, pix2, lsize, h +%if %1 == mmsize + shr hd, 1 +%endif pxor m0, m0 ; mm0 = 0 pxor m7, m7 ; mm7 holds the sum .next2lines: ; FIXME why are these unaligned movs? pix1[] is aligned - movu m1, [r1 ] ; mm1 = pix1[0][0-15] - movu m2, [r2 ] ; mm2 = pix2[0][0-15] - movu m3, [r1+r3] ; mm3 = pix1[1][0-15] - movu m4, [r2+r3] ; mm4 = pix2[1][0-15] + movu m1, [pix1q] ; m1 = pix1[0][0-15], [0-7] for mmx + movu m2, [pix2q] ; m2 = pix2[0][0-15], [0-7] for mmx +%if %1 == mmsize + movu m3, [pix1q+lsizeq] ; m3 = pix1[1][0-15], [0-7] for mmx + movu m4, [pix2q+lsizeq] ; m4 = pix2[1][0-15], [0-7] for mmx +%else ; %1 / 2 == mmsize; mmx only + mova m3, [pix1q+8] ; m3 = pix1[0][8-15] + mova m4, [pix2q+8] ; m4 = pix2[0][8-15] +%endif ; todo: mm1-mm2, mm3-mm4 ; algo: subtract mm1 from mm2 with saturation and vice versa @@ -319,20 +327,34 @@ cglobal sse16, 5, 5, 8 pmaddwd m1, m1 pmaddwd m3, m3 - lea r1, [r1+r3*2] ; pix1 += 2*line_size - lea r2, [r2+r3*2] ; pix2 += 2*line_size - paddd m1, m2 paddd m3, m4 paddd m7, m1 paddd m7, m3 - dec r4 +%if %1 == mmsize + lea pix1q, [pix1q + 2*lsizeq] + lea pix2q, [pix2q + 2*lsizeq] +%else + add pix1q, lsizeq + add pix2q, lsizeq +%endif + dec hd jnz .next2lines HADDD m7, m1 movd eax, m7 ; return value RET +%endmacro + +INIT_MMX mmx +SUM_SQUARED_ERRORS 8 + +INIT_MMX mmx +SUM_SQUARED_ERRORS 16 + +INIT_XMM sse2 +SUM_SQUARED_ERRORS 16 INIT_MMX mmx ; void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size) |