On Mon, Aug 16, 2021 at 9:15 AM Jirui Wu via Gcc-patches <gcc-patches@gcc.gnu.org> wrote: > > Hi all, > > This patch generates FRINTZ instruction to optimize type casts. > > The changes in this patch covers: > * Opimization of a FIX_TRUNC_EXPR cast inside a FLOAT_EXPR using IFN_TRUNC. > * Change of corresponding test cases. > > Regtested on aarch64-none-linux-gnu and no issues. > > Ok for master? If OK can it be committed for me, I have no commit rights.
Is there a reason why you are doing the transformation manually inside forwprop rather than handling it inside match.pd? Also can't this only be done for -ffast-math case? Thanks, Andrew Pinski > > Thanks, > Jirui > > gcc/ChangeLog: > > * tree-ssa-forwprop.c (pass_forwprop::execute): Optimize with frintz. > > > gcc/testsuite/ChangeLog: > > * gcc.target/aarch64/fix_trunc1.c: Update to new expectation.
