Re: [PATCH] tree-optimization/79333 - fold stmts following SSA edges in VN

2021-05-07 Thread Richard Biener
On May 7, 2021 4:12:02 PM GMT+02:00, Christophe Lyon wrote: >On Wed, 5 May 2021 at 09:56, Richard Biener wrote: >> >> This makes sure to follow SSA edges when folding eliminated stmts. >> This reaps the same benefit as forwprop folding all stmts, not >> waiting for one to produce copysign in the

Re: [PATCH] tree-optimization/79333 - fold stmts following SSA edges in VN

2021-05-07 Thread Christophe Lyon via Gcc-patches
On Wed, 5 May 2021 at 09:56, Richard Biener wrote: > > This makes sure to follow SSA edges when folding eliminated stmts. > This reaps the same benefit as forwprop folding all stmts, not > waiting for one to produce copysign in the new testcase. > > Bootstrapped on x86_64-unknown-linux-gnu, testin

[PATCH] tree-optimization/79333 - fold stmts following SSA edges in VN

2021-05-05 Thread Richard Biener
This makes sure to follow SSA edges when folding eliminated stmts. This reaps the same benefit as forwprop folding all stmts, not waiting for one to produce copysign in the new testcase. Bootstrapped on x86_64-unknown-linux-gnu, testing in progress. 2021-05-04 Richard Biener PR tree-o