FFmpeg

Commit Graph

Author	SHA1	Message	Date
James Almer	3b06208a57	x86/float_dsp: remove duplicated code from vector_dmul_scalar Use the xm# and ym# aliases as they remain in sync with m# after a SWAP. No actual changes to the assembly. Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
James Almer	11b36b1ee0	x86/float_dsp: unroll loop in vector_fmac_scalar ~6% faster SSE2 performance. AVX/FMA3 are unaffected. Signed-off-by: James Almer <jamrial@gmail.com> Reviewed-by: Christophe Gisquet <christophe.gisquet@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
James Almer	3b808900af	x86/float_dsp: use SWAP in vector_fmac_scalar Win64 The mova is unnecessary Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
James Almer	7d7487e85c	x86/float_dsp: add ff_vector_{fmul_add, fmac_scalar}_fma3 ~7% faster than AVX Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Christophe Gisquet	996697e266	x86: float dsp: unroll SSE versions vector_fmul and vector_fmac_scalar are guaranteed that they can process in batch of 16 elements, but their SSE versions only does 8 at a time. Therefore, unroll them a bit. 299 to 261c for 256 elements in vector_fmac_scalar on Arrandale/Win64. Signed-off-by: Janne Grunau <janne-libav@jannau.net>	11 years ago
Christophe Gisquet	133b34207c	x86: float dsp: unroll SSE versions vector_fmul and vector_fmac_scalar are guaranteed that they can process in batch of 16 elements, but their SSE versions only does 8 at a time. Therefore, unroll them a bit. 299 to 261c for 256 elements in vector_fmac_scalar on Arrandale/Win64. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Christophe Gisquet	566b7a20fd	x86: float dsp: butterflies_float SSE 97c -> 49c Some codecs could benefit from more unrolling, but AAC doesn't.	12 years ago
Michael Niedermayer	92218aad00	butterflies_float: replace 2 lea by 2 add adds are simpler instructions and should be faster or equally fast on all cpus Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Christophe Gisquet	1a4007964c	x86: float dsp: butterflies_float SSE 97c -> 49c Some codecs could benefit from more unrolling, but AAC doesn't. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Ronald S. Bultje	42d3246948	floatdsp: move vector_fmul_reverse from dsputil to avfloatdsp. Now, nellymoserenc and aacenc no longer depends on dsputil. Independent of this patch, wmaprodec also does not depend on dsputil, so I removed it from there also.	12 years ago
Ronald S. Bultje	55aa03b9f8	floatdsp: move vector_fmul_add from dsputil to avfloatdsp.	12 years ago
Ronald S. Bultje	d56668bd80	floatdsp: move scalarproduct_float from dsputil to avfloatdsp. This makes the aac decoder and all voice codecs independent of dsputil.	12 years ago
Justin Ruggles	1c012e6bfb	x86: float_dsp: fix loading of the len parameter on x86-32	12 years ago
Justin Ruggles	ecc8b02194	x86: float_dsp: fix compilation of ff_vector_dmul_scalar_avx() on x86-32 Signed-off-by: Janne Grunau <janne-libav@jannau.net>	12 years ago
Justin Ruggles	ac7eb4cb20	float_dsp: add vector_dmul_scalar() to multiply a vector of doubles Include x86-optimized versions for SSE2 and AVX.	12 years ago
Justin Ruggles	947f933687	x86: float_dsp: add SSE version of vector_fmul_scalar()	12 years ago
Diego Biurrun	2b479bcab0	build: Drop AVX assembly ifdefs An assembler able to cope with AVX instructions is now required.	12 years ago
Diego Biurrun	6860b4081d	x86: include x86inc.asm in x86util.asm This is necessary to allow refactoring some x86util macros with cpuflags.	12 years ago
Justin Ruggles	7327525997	x86: float_dsp: fix ff_vector_fmac_scalar_avx() on Win64 The SWAP macro does not work for explicit xmm/ymm usage, so instead just move the scalar value from xmm2 to xmm0.	12 years ago
Diego Biurrun	17337f54c0	x86: Split inline and external assembly #ifdefs	13 years ago
Mans Rullgard	a3df4781f4	x86: add colons after labels nasm prints a warning if the colon is missing. Signed-off-by: Mans Rullgard <mans@mansr.com>	13 years ago
Ronald S. Bultje	30b45d9c38	x86inc: automatically insert vzeroupper for YMM functions.	13 years ago
Justin Ruggles	82b2df9790	float_dsp: add x86-optimized functions for vector_fmac_scalar()	13 years ago
Michael Niedermayer	f0313e9022	x86/float_dsp.asm: restore author attribution The attribution was removed by libav while moving the code to libavutil The original code is from commit `eb4825b5d4` Author: Loren Merritt <lorenm@u.washington.edu> Date: Thu Aug 10 19:06:25 2006 +0000 sse and 3dnow implementations of float->int conversion and mdct windowing. 15% faster vorbis. and commit `069720565c` Author: Loren Merritt <lorenm@u.washington.edu> Date: Fri Aug 11 18:19:37 2006 +0000 vorbis simd tweaks Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Justin Ruggles	d5a7229ba4	Add a float DSP framework to libavutil Move vector_fmul() from DSPContext to AVFloatDSPContext.	13 years ago
Justin Ruggles	c140fb2cbc	lavr: add x86-optimized functions for mixing 2 to 1 s16p with float coeffs	13 years ago

38 Commits (2c7d3ecfc962fe2d2afa84cd347136060468fe0e)