Re: [PATCH] Add pattern match in match.pd for .AVG_CEIL

On Thu, May 15, 2025 at 10:04 AM liuhongt wrote: > > 1) Optimize (a >> 1) + (b >> 1) + ((a | b) & 1) to .AVG_CEIL (a, b) > 2) Optimize (a | b) - ((a ^ b) >> 1) to .AVG_CEIL (a, b) > > Prof is at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118994#c6 > > Bootstrapped and regtested on x86_64-pc-linu

[PATCH] Add pattern match in match.pd for .AVG_CEIL

1) Optimize (a >> 1) + (b >> 1) + ((a | b) & 1) to .AVG_CEIL (a, b) 2) Optimize (a | b) - ((a ^ b) >> 1) to .AVG_CEIL (a, b) Prof is at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118994#c6 Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}. Ok for trunk? gcc/ChangeLog: PR middle