Re: [V2 PATCH] Simplify vector ((VCE (a cmp b ? -1 : 0)) < 0) ? c : d to just (VCE ((a cmp b) ? (VCE c) : (VCE d))).

On Thu, Nov 16, 2023 at 11:49 AM liuhongt wrote: > > Update in V2: > 1) Add some comments before the pattern. > 2) Remove ? from view_convert. > > Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}. > Ok for trunk? > > When I'm working on PR112443, I notice there's some misoptimizations: >

Re: [V2 PATCH] Simplify vector ((VCE (a cmp b ? -1 : 0)) < 0) ? c : d to just (VCE ((a cmp b) ? (VCE c) : (VCE d))).

ping. On Thu, Nov 16, 2023 at 6:49 PM liuhongt wrote: > > Update in V2: > 1) Add some comments before the pattern. > 2) Remove ? from view_convert. > > Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}. > Ok for trunk? > > When I'm working on PR112443, I notice there's some

[V2 PATCH] Simplify vector ((VCE (a cmp b ? -1 : 0)) < 0) ? c : d to just (VCE ((a cmp b) ? (VCE c) : (VCE d))).

Update in V2: 1) Add some comments before the pattern. 2) Remove ? from view_convert. Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}. Ok for trunk? When I'm working on PR112443, I notice there's some misoptimizations: after we fold _mm{,256}_blendv_epi8/pd/ps into gimple, the backend