[PATCH] D79615: [X86] Teach getUndefRegClearance that we use undef for inputs to PUNPCK in some cases.
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat May 9 11:09:18 PDT 2020
RKSimon accepted this revision.
RKSimon added a comment.
This revision is now accepted and ready to land.
LGTM - just a query about non-VEX PACKSS/PACKUS cases
================
Comment at: llvm/lib/Target/X86/X86InstrInfo.cpp:4895
case X86::PACKSSDWrr:
case X86::PACKUSDWrr:
case X86::VPACKSSWBrr:
----------------
Does the non-VEX PACKSS/PACKUS need pulling out as well since Op1 is tied? I don't know if we have examples of this though.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D79615/new/
https://reviews.llvm.org/D79615
More information about the llvm-commits
mailing list