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release/2.2
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3 Commits

Author SHA1 Message Date
James Almer
3f3d748cab x86: Move XOP emulation to x86util 
We need the emulation to support the cases where the first
argument is the same as the fourth. To achieve this a fifth
argument working as a temporary may be needed.
Emulation that doesn't obey the original instruction semantics
can't be in x86inc.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-24 08:30:19 +01:00
James Almer
e87974bc00 flac/x86: add ff_flac_lpc_32_xop() 
Tested on an AMD FX 6300

679081 decicycles in ff_flac_lpc_32_xop, 32768 runs
774425 decicycles in ff_flac_lpc_32_sse4, 32768 runs

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-13 22:14:59 +01:00
Loren Merritt
9c978f243a flac/x86: add ff_flac_lpc_32_sse4() 
benchmarked on sandybridge x86_64:
1358232 decicycles in flac_lpc_32_c
1244575 decicycles in flac_lpc_32_sse4, James Almer's patch
 650045 decicycles in flac_lpc_32_sse4, this patch

I haven't tested the edgecases such as odd block lengths

odd block length tested-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-06 02:51:19 +01:00