[PATCH] D13142: [PowerPC] Replace cntlz[.] with cntlzw[.]

[hfinkel@anl.gov via llvm-commits]

hfinkel accepted this revision.
hfinkel added a comment.
This revision is now accepted and ready to land.

LGTM.


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Comment at: lib/Target/PowerPC/PPCInstrInfo.td:3888
@@ +3887,3 @@
+def : InstAlias<"cntlzw. $rA, $rS", (CNTLZWo gprc:$rA, gprc:$rS)>;
+// The POWER variant
+def : MnemonicAlias<"cntlz",  "cntlzw">;
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I'd specifically mention in the comment that the reason we're supporting this particular POWER alias is because LLVM used only this form for many years.



http://reviews.llvm.org/D13142