Re: [x86 PATCH] Don't use insvti_{high, low}part with -O0 (for compile-time).

On Sat, Jul 22, 2023 at 4:17 PM Roger Sayle wrote: > > > This patch attempts to help with PR rtl-optimization/110587, a regression > of -O0 compile time for the pathological pr28071.c. My recent patch helps > a bit, but hasn't returned -O0 compile-time to where it was before my > ix86_expand_move

[x86 PATCH] Don't use insvti_{high, low}part with -O0 (for compile-time).

This patch attempts to help with PR rtl-optimization/110587, a regression of -O0 compile time for the pathological pr28071.c. My recent patch helps a bit, but hasn't returned -O0 compile-time to where it was before my ix86_expand_move changes. The obvious solution/workaround is to guard these ne