Re: Fix CC_MODE pessimization in reorg.c

2015-01-16 Thread Richard Henderson
On 01/16/2015 09:47 AM, Eric Botcazou wrote: > > 2015-01-16 Eric Botcazou > > * reorg.c (fill_simple_delay_slots): If TARGET_FLAGS_REGNUM is valid, > implement a more precise life analysis for it during backward scan. Ok. r~

Fix CC_MODE pessimization in reorg.c

2015-01-16 Thread Eric Botcazou
As exposed in https://gcc.gnu.org/ml/gcc-patches/2014-12/msg01052.html the conversion of the original cc0-based Visium port into a CC_MODE port went smoothly and didn't affect the run time performance, except for a single but notable case: the reorg.c pass cannot put an insn that clobbers the CC