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12 commits

Author SHA1 Message Date
Michael Sevakis
d089e10403 Get rid of strict aliasing warnings for ARMv6 spc_dsp.c. Just do load in asm block instead. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30396 a1c6a512-1295-4272-9138-f99709370657
 2011-08-31 11:19:16 +00:00
Michael Sevakis
fcae888e81 SPC Codec: Restore correct FIR buffer alignment when an address mask is used. It must be FIR_BUF_ALIGN. Fix Coldfire assembly constraint where an input parameter was also being written. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30063 a1c6a512-1295-4272-9138-f99709370657
 2011-06-24 10:52:43 +00:00
Andree Buschmann
d038f89f3f S5L870x is fast enough to play spc with gaussian interpolation and echo processing. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29914 a1c6a512-1295-4272-9138-f99709370657
 2011-05-22 20:01:07 +00:00
Andree Buschmann
46507d29b4 FS#12113: Optimize IRAM configuration for SPC. Performance increases by 5-6% on PP5022, PP5024 and S5L870x. No change of performance on Coldfire, PP5002 and PP5020. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29887 a1c6a512-1295-4272-9138-f99709370657
 2011-05-15 16:08:50 +00:00
Michael Sevakis
6e4e5ea757 SPC Codec: Was broken on ARMv6 since EABI switch and somehow I failed to notice in the first place (and so did eveyone else it seems :). Some early-clobber constraints were needed on inline assemebly operands. In some places, they aren't necessary where they were used, so remove those. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28880 a1c6a512-1295-4272-9138-f99709370657
 2010-12-23 07:36:21 +00:00
Michael Sevakis
06a98b15bc SPC codec: The inline asm 'memory' clobbers should be unneeded since the ASM either does not modify memory (only loads values), or it modifies things only other ASM blocks deal with and the operand constraints mark them as in/out/both. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26538 a1c6a512-1295-4272-9138-f99709370657
 2010-06-04 02:20:19 +00:00
Andree Buschmann
6805448195 Correction to clobber lists of several codec's inline assembly. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26376 a1c6a512-1295-4272-9138-f99709370657
 2010-05-29 15:00:10 +00:00
Michael Sevakis
9f157ad584 Do some SPC codec optimizing for ARMv6 (as a training exercise), tweak realtime BRR for all CPU that use it, add Gaussian ASM optimization for all ARM that can use it. Add some LIKELY/UNLIKELY branch hints. On Gigabeat-S gives +22% speedup. For Gigabeat F, about +5% speedup. For less-powerful players, no real change aside possibly from branch hints. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25771 a1c6a512-1295-4272-9138-f99709370657
 2010-05-02 02:44:45 +00:00
Nils Wallménius
d502086e7f Fix yellow by making the ifdef hell slightly worse 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23790 a1c6a512-1295-4272-9138-f99709370657
 2009-11-29 21:22:23 +00:00
Nils Wallménius
13f08d70fd Enable strict aliasing optimizations for codecs on gcc versions >= 4.0, fix alising violations that this uncovered, gives small speedups for most codecs, FS#10801 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23784 a1c6a512-1295-4272-9138-f99709370657
 2009-11-29 18:11:49 +00:00
Björn Stenberg
c6b3d38a15 New makefile solution: A single invocation of 'make' to build the entire tree. Fully controlled dependencies give faster and more correct recompiles. 
Many #include lines adjusted to conform to the new standards.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19146 a1c6a512-1295-4272-9138-f99709370657
 2008-11-20 11:27:31 +00:00
Björn Stenberg
5791d1c658 Re-added libspc which got dropped in a black hole. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19019 a1c6a512-1295-4272-9138-f99709370657
 2008-11-05 14:38:14 +00:00