Re: [PATCH 4/6] ira: Try to avoid propagating conflicts

Hi Vlad, Vladimir Makarov writes: > On 2022-01-06 09:47, Richard Sandiford wrote: >> Suppose that: >> >> - an inner loop L contains an allocno A >> - L clobbers hard register R while A is live >> - A's parent allocno is AP >> >> Previously, propagate_allocno_info would propagate conflict sets up

Re: [PATCH 4/6] ira: Try to avoid propagating conflicts

On 2022-01-06 09:47, Richard Sandiford wrote: Suppose that: - an inner loop L contains an allocno A - L clobbers hard register R while A is live - A's parent allocno is AP Previously, propagate_allocno_info would propagate conflict sets up the loop tree, so that the conflict between A and R

[PATCH 4/6] ira: Try to avoid propagating conflicts

Suppose that: - an inner loop L contains an allocno A - L clobbers hard register R while A is live - A's parent allocno is AP Previously, propagate_allocno_info would propagate conflict sets up the loop tree, so that the conflict between A and R would become a conflict between AP and R (and so