Re: [PATCH v3 1/2]middle-end: expand copysign handling from lockstep to nested iters

On Mon, 6 Nov 2023, Tamar Christina wrote: > Hi All, > > various optimizations in match.pd only happened on COPYSIGN in lock step > which means they exclude IFN_COPYSIGN. COPYSIGN however is restricted to only > the C99 builtins and so doesn't work for vectors. > > The patch expands these optim

[PATCH v3 1/2]middle-end: expand copysign handling from lockstep to nested iters

Hi All, various optimizations in match.pd only happened on COPYSIGN in lock step which means they exclude IFN_COPYSIGN. COPYSIGN however is restricted to only the C99 builtins and so doesn't work for vectors. The patch expands these optimizations to work as nested iters. This is needed for the