Re: [PATCH take #2] x86_64: Improve code expanded for highpart multiplications.

2021-12-20 Thread Uros Bizjak via Gcc-patches
On Mon, Dec 20, 2021 at 12:26 PM Roger Sayle wrote: > > > Hi Uros, > Many thanks for the review. Here's a revised patch incorporating your > suggestion to use a single define_insn with a mode iterator instead of two > new near identical define_insns for SImode and DImode. I initially tried > SWI

[PATCH take #2] x86_64: Improve code expanded for highpart multiplications.

2021-12-20 Thread Roger Sayle
Hi Uros, Many thanks for the review. Here's a revised patch incorporating your suggestion to use a single define_insn with a mode iterator instead of two new near identical define_insns for SImode and DImode. I initially tried SWI48, but a testsuite failure of pr82418.c revealed that it's more e