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* FS#11335 by me: make ARM assembly functions thumb-friendlyRafaël Carré2010-06-11
| | | | | | | | | | | | | We can't pop into pc on ARMv4t when using thumb: the T bit won't be modified if we are returning to a thumb function Code running on ARMv4t should use the new ldrpc / ldmpc macros instead of ldr pc, [sp], #4 and ldm(cond) sp!, {regs, pc} No modification on pure ARM builds and ARMv5+ Note: USE_THUMB is currently never defined, no targets can currently be built with -mthumb, see FS#6734 git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26756 a1c6a512-1295-4272-9138-f99709370657
* tta codec: optimize for arm target. pp502x: ~1% speed up.Yoshihisa Uchida2010-06-02
| | | | git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26478 a1c6a512-1295-4272-9138-f99709370657
* updates the README document.Yoshihisa Uchida2010-05-14
| | | | git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26017 a1c6a512-1295-4272-9138-f99709370657
* Put decoder array into IRAM. Improves Coldfire (h300) performance 218MHz ↵Michael Giacomelli2010-05-13
| | | | | | ->102.84 MHz. Should be realtime on all CF targets. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25998 a1c6a512-1295-4272-9138-f99709370657
* add True Audio (TTA) codecYoshihisa Uchida2010-05-13
decoding speed iPod video ~153% But in some players, the decoding speed is not enough. (e.g., H180 52.4% (thanks amiconn), H300 55.09% (thanks n1s)) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25994 a1c6a512-1295-4272-9138-f99709370657