Re: [PATCH] pair-fusion: Check for invalid use arrays [PR118320]

2025-02-17 Thread Richard Sandiford
Alex Coplan writes: > On 29/01/2025 18:46, Richard Sandiford wrote: >> As Andrew says in the bugzilla comments, this PR is about a case where >> we tried to fuse two stores of x0, one in which x0 was defined and one >> in which it was undefined. merge_access_arrays failed on the conflict, >> but

Re: [PATCH] pair-fusion: Check for invalid use arrays [PR118320]

2025-02-17 Thread Alex Coplan
On 29/01/2025 18:46, Richard Sandiford wrote: > As Andrew says in the bugzilla comments, this PR is about a case where > we tried to fuse two stores of x0, one in which x0 was defined and one > in which it was undefined. merge_access_arrays failed on the conflict, > but the failure wasn't caught.

Re: [PATCH] pair-fusion: Check for invalid use arrays [PR118320]

2025-01-29 Thread Jakub Jelinek
On Wed, Jan 29, 2025 at 06:46:30PM +, Richard Sandiford wrote: > As Andrew says in the bugzilla comments, this PR is about a case where > we tried to fuse two stores of x0, one in which x0 was defined and one > in which it was undefined. merge_access_arrays failed on the conflict, > but the fa

[PATCH] pair-fusion: Check for invalid use arrays [PR118320]

2025-01-29 Thread Richard Sandiford
As Andrew says in the bugzilla comments, this PR is about a case where we tried to fuse two stores of x0, one in which x0 was defined and one in which it was undefined. merge_access_arrays failed on the conflict, but the failure wasn't caught. Normally the hazard detection code would fail if the