Re: [PATCH] Relax ix86_hardreg_mov_ok after split1.

2024-07-22 Thread Uros Bizjak
On Tue, Jul 23, 2024 at 3:08 AM liuhongt wrote: > > ix86_hardreg_mov_ok is added by r11-5066-gbe39636d9f68c4 > > >The solution proposed here is to have the x86 backend/recog prevent > >early RTL passes composing instructions (that set likely_spilled hard > >registers) that they (combin

[PATCH] Relax ix86_hardreg_mov_ok after split1.

2024-07-22 Thread liuhongt
ix86_hardreg_mov_ok is added by r11-5066-gbe39636d9f68c4 >The solution proposed here is to have the x86 backend/recog prevent >early RTL passes composing instructions (that set likely_spilled hard >registers) that they (combine) can't simplify, until after reload. >We allow sets fr