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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-11-27 14:03:57 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-11-27 14:10:05 +0100 |
| commit | b4d4e51027e0c55e35c081cb180396ab04099b2f (patch) | |
| tree | e1335b4096cda0fd7fb738723719e09d08771f6c /libavutil/x86/float_dsp.asm | |
| parent | 2684d2e3ea8a1a2863ae9842d072341b44b09829 (diff) | |
| parent | 3c370f5abc55739a261534b9f9bdc739cedbbbb9 (diff) | |
| download | ffmpeg-b4d4e51027e0c55e35c081cb180396ab04099b2f.tar.gz | |
Merge commit '3c370f5abc55739a261534b9f9bdc739cedbbbb9'
* commit '3c370f5abc55739a261534b9f9bdc739cedbbbb9':
riff: only warn on a bad INFO chunk code size instead of failing
configure: Add separate list for libraries and use where appropriate
x86: float_dsp: add SSE version of vector_fmul_scalar()
Conflicts:
configure
libavformat/riff.c
libavutil/x86/float_dsp.asm
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/x86/float_dsp.asm')
| -rw-r--r-- | libavutil/x86/float_dsp.asm | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libavutil/x86/float_dsp.asm b/libavutil/x86/float_dsp.asm index 9b7608c7d0..a3200c64b6 100644 --- a/libavutil/x86/float_dsp.asm +++ b/libavutil/x86/float_dsp.asm @@ -91,3 +91,32 @@ VECTOR_FMAC_SCALAR INIT_YMM avx VECTOR_FMAC_SCALAR %endif + +;------------------------------------------------------------------------------ +; void ff_vector_fmul_scalar(float *dst, const float *src, float mul, int len) +;------------------------------------------------------------------------------ + +%macro VECTOR_FMUL_SCALAR 0 +%if UNIX64 +cglobal vector_fmul_scalar, 3,3,2, dst, src, len +%else +cglobal vector_fmul_scalar, 4,4,3, dst, src, mul, len +%endif +%if ARCH_X86_32 + movss m0, mulm +%elif WIN64 + SWAP 0, 2 +%endif + shufps m0, m0, 0 + lea lenq, [lend*4-mmsize] +.loop: + mova m1, [srcq+lenq] + mulps m1, m0 + mova [dstq+lenq], m1 + sub lenq, mmsize + jge .loop + REP_RET +%endmacro + +INIT_XMM sse +VECTOR_FMUL_SCALAR |