[PATCH] D132839: [RISCV] Optimization for using compressed beqz and bnez PR#56391

[Tetyushkin Ivan via Phabricator via llvm-commits]

ita-sc added a comment.

In D132839#3832203 <https://reviews.llvm.org/D132839#3832203>, @craig.topper wrote:

> Have you measured the effect of this on any workloads?

Checked on Coremark with/without -Os. Results almost the same. With compressed instructions it is ~1% slower, but size is slightly smaller( this pattern is rare, about 3-4 places where this pattern appears). That is why I added this pattern only when max optimization for size turned on.


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