[PATCH] D77152: [SelectionDAG] Better legalization for FSHL and FSHR
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 15 01:31:35 PDT 2020
RKSimon added inline comments.
================
Comment at: llvm/test/CodeGen/PowerPC/funnel-shift.ll:22-24
+; CHECK-NEXT: clrlwi 5, 5, 27
+; CHECK-NEXT: srwi 4, 4, 1
+; CHECK-NEXT: clrlwi 6, 6, 27
----------------
foad wrote:
> This is a slight regression. We need one more instruction overall because of the two clrlwi instructions to mask both normal and the inverted shift amounts.
Any luck with this?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D77152/new/
https://reviews.llvm.org/D77152
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