On 14.07.2023 12:10, Uros Bizjak wrote: > On Fri, Jul 14, 2023 at 11:44 AM Jan Beulich <jbeul...@suse.com> wrote: >> >> The corresponding insn serves this purpose quite fine, and leads to >> slightly less (generated) code. All we need is the insn to not have a >> leading * in its name, while retaining that * for "extendhfsf2". >> Introduce a mode attribute in exchange to achieve that. >> >> gcc/ >> >> * config/i386/i386.md (extendhfdf2): Delete expander. >> (extendhf): New mode attribute. >> (*extendhf<mode>2): Use it. > > No, please leave the expander, it is there due to extendhfsf2 that > prevents effective macroization.
Well, okay then. > FYI, there is no less generated code when the named pattern is used, > the same code is generated from the named pattern as from the > expander. Source code can be shrinked, but in this particular case, > forced macroization complicates things more. Hmm, I'm pretty sure I checked and found some reduction. Jan
