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x86/dsputilenc: implement XOP version of pix_sum16

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SSE2: 137 cycles
XOP:   87 cycles
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
James Almer
2014-05-29 00:57:39 -03:00
committed by Michael Niedermayer
parent 232959f184
commit 05de4d3011
2 changed files with 29 additions and 5 deletions
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5
libavcodec/x86/dsputilenc_mmx.c
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@@ -39,6 +39,7 @@ void ff_diff_pixels_sse2(int16_t *block, const uint8_t *s1, const uint8_t *s2,
int stride);
int ff_pix_sum16_mmx(uint8_t *pix, int line_size);
int ff_pix_sum16_sse2(uint8_t *pix, int line_size);
int ff_pix_sum16_xop(uint8_t *pix, int line_size);
int ff_pix_norm1_mmx(uint8_t *pix, int line_size);
int ff_pix_norm1_sse2(uint8_t *pix, int line_size);
int ff_sum_abs_dctelem_mmx(int16_t *block);
@@ -925,5 +926,9 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
#endif
}
if (EXTERNAL_XOP(cpu_flags)) {
c->pix_sum = ff_pix_sum16_xop;
}
ff_dsputil_init_pix_mmx(c, avctx);
}