Re: [PATCH] tree-optimization/90579 - avoid STLF fail by better optimizing

2025-02-13 Thread Jeff Law
On 2/12/25 7:58 AM, Richard Biener wrote: For the testcase in question which uses a fold-left vectorized reduction of a reverse iterating loop we'd need two forwprop invocations to first bypass the permute emitted for the reverse iterating loop and then to decompose the vector load that only f

Re: [PATCH] tree-optimization/90579 - avoid STLF fail by better optimizing

2025-02-12 Thread Andrew Pinski
On Wed, Feb 12, 2025 at 6:58 AM Richard Biener wrote: > > For the testcase in question which uses a fold-left vectorized > reduction of a reverse iterating loop we'd need two forwprop > invocations to first bypass the permute emitted for the reverse > iterating loop and then to decompose the vecto