rockbox/lib
Michael Giacomelli 31f2a27f1e opus: inline EC_ILOG on ARMv4
ARMv4 has no CLZ, so all 8,680 ilog2 calls went through libgcc's
__clzsi2.  Fifteen branchless instructions replace it.

Modelled: -0.91% ARMv4; ARMv5E unaffected, it already emits CLZ.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Change-Id: Ib84b97acb687da4101e02bad1b0e8bbd256d32df
2026-09-24 10:39:52 -04:00
..
arm_support chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
fixedpoint chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
libsetjmp libsetjmp: fix unpredictable behavior warning on ARM Cortex-M 2025-04-19 11:24:01 -04:00
microtar chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
mipsunwinder chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
rbcodec opus: inline EC_ILOG on ARMv4 2026-09-24 10:39:52 -04:00
skin_parser skin_parser: Fix regression in 0d5afa6d 2026-07-05 19:12:25 -04:00
tlsf chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
unwarminder chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
utf8proc utf8proc: Add utf8proc for normalizing UTF-8 strings 2026-03-01 08:26:00 -05:00