[PATCH] D71829: [PowerPC] Exploit the rlwinm instructions for "and" with constant.
qshanz via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Dec 26 02:22:08 PST 2019
steven.zhang marked an inline comment as done.
steven.zhang added inline comments.
================
Comment at: llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp:4461
+
+ // It is not 16-bit imm that means we need two instructions at least if
+ // using "and" instruction. Try to exploit it with rotate mask instructions.
----------------
shchenz wrote:
> imm16 should be handle as well in new patch? comment should update?
Oops, I will update it when commit this patch.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D71829/new/
https://reviews.llvm.org/D71829
More information about the llvm-commits
mailing list