Re: Sched patch: better condition mutex testing

2011-05-30 Thread Vladimir Makarov
On 05/27/2011 04:14 AM, Bernd Schmidt wrote: When regrename is enabled, it makes new copies of its replacement registers, which means that pointer equality tests can't be used afterwards to check whether two regs are equal. sched_insn_conditions_mutex_p has one such test, and it causes pessimized

Sched patch: better condition mutex testing

2011-05-27 Thread Bernd Schmidt
When regrename is enabled, it makes new copies of its replacement registers, which means that pointer equality tests can't be used afterwards to check whether two regs are equal. sched_insn_conditions_mutex_p has one such test, and it causes pessimized code in some situations on C6X. The following