Jens Arnold
f2759305a9
Gigabeat S: Reduce stalling in the ARMv6 IDCT. Also save one instruction per loop, and fix comments. Speeds up fullscreen video decoding by about 5% (excluding video output). Still not perfect...
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25775 a1c6a512-1295-4272-9138-f99709370657
2010-05-02 12:13:26 +00:00
Jens Arnold
0a2197b846
Further ARMv6 imdct optimisation, ~5.5% speedup.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21884 a1c6a512-1295-4272-9138-f99709370657
2009-07-15 20:36:31 +00:00
Jens Arnold
36eeecbe9a
* Fix overlooked r12 usage possibility in mpegplayer ARM idct
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* ARM dualcore: Don't save r12 in switch_thread_core()
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21830 a1c6a512-1295-4272-9138-f99709370657
2009-07-12 22:43:24 +00:00
Jens Arnold
02c031709c
* ARM asm DSP and codec/plugin functions: Use r12 scratch register properly
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* Fix saving another unused reg in dsp code
* Use less regs in the generic ARM mpegplayer adding idct pure DC case
* Fix ARMv6 mpegplayer adding idct using an unsaved register in pure DC case
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21803 a1c6a512-1295-4272-9138-f99709370657
2009-07-12 13:14:35 +00:00
Jens Arnold
f289b9f591
Faster idct for ARMv6. Overall mpegplayer speedup is quite minimal though.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21392 a1c6a512-1295-4272-9138-f99709370657
2009-06-20 14:05:15 +00:00
