Ping > -----Original Message----- > From: Joey Ye [mailto:joey...@arm.com] > Sent: Friday, November 01, 2013 1:00 > To: gcc-patches@gcc.gnu.org > Subject: [patch] [arm] ARM Cortex-M3/M4 tuning > > Based on Julian's http://gcc.gnu.org/ml/gcc-patches/2012-07/msg01006.html > and > > * Merged with latest mainline and applied test > * Only apply to Cortex-M3 and M4 > * Set LOGICAL_OP_NON_SHORT_CIRCUIT to false > > Test: > - Coremark on M3/M4 gained 5% > - GCC make check with qemu Cortex-M3 resulting following expected > regressions, which will be fixed by following-up condition compare patches > * gcc.target/arm/thumb2-cond-cmp-1.c: Expected fail for now. > * gcc.target/arm/thumb2-cond-cmp-2.c: Likewise. > * gcc.target/arm/thumb2-cond-cmp-3.c: Likewise. > * gcc.target/arm/thumb2-cond-cmp-4.c: Likewise. > > ChangeLog: > > 2013-11-01 Julian Brown <jul...@codesourcery.com> > Joey Ye <joey...@arm.com> > > * config/arm/arm.c (arm_cortex_m_branch_cost): New. > (arm_v7m_tune): New. > (arm_*_tune): Add comments for Sched adj cost. > * config/arm/arm-cores.def (cortex-m4, cortex-m3): > Use arm_v7m_tune tuning. > > testsuite: > 2013-11-01 Joey Ye <joey...@arm.com> > > * gcc.dg/tree-ssa/forwprop-28.c: Disable for cortex_m. > * gcc.dg/tree-ssa/vrp47.c: Likewise. > * gcc.dg/tree-ssa/vrp87.c: Likewise. > * gcc.dg/tree-ssa/ssa-dom-thread-4.c: Ignore for cortex_m. > * gcc.dg/tree-ssa/ssa-vrp-thread-1.c: Likewise.
v7m_tune_allin1-131016.patch
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