Re: [PATCH] Use fixed_nonglobal_reg_set to deduce ok_regs (PR rtl-optimization/79728)

2017-03-14 Thread Jeff Law
On 03/06/2017 01:27 AM, Xi Ruoyao wrote: Hi, After Bernd fixed PR44281 (r235809), the registers fixed only because they are global can be selected by IRA. However, since they are not in ok_regs, the move cost estimation about them are wrong. Then an assertion in ira.c failed and then ICE. To fi

[PATCH] Use fixed_nonglobal_reg_set to deduce ok_regs (PR rtl-optimization/79728)

2017-03-06 Thread Xi Ruoyao
Hi, After Bernd fixed PR44281 (r235809), the registers fixed only because they are global can be selected by IRA. However, since they are not in ok_regs, the move cost estimation about them are wrong. Then an assertion in ira.c failed and then ICE. To fix this, add these registers into ok_regs.