The VPERM2F128 is a AVX instruction which permutes between two 256-bit
vectors. It operates on 128-bit elements instead of regular scalar
types. Recognize shuffles that are suitable for VPERM2F128 and teach
the x86 legalizer how to handle them.
llvm-svn: 137519
diff --git a/llvm/lib/Target/X86/InstPrinter/X86InstComments.cpp b/llvm/lib/Target/X86/InstPrinter/X86InstComments.cpp
index cb4996b..12f7174 100644
--- a/llvm/lib/Target/X86/InstPrinter/X86InstComments.cpp
+++ b/llvm/lib/Target/X86/InstPrinter/X86InstComments.cpp
@@ -225,6 +225,11 @@
ShuffleMask);
Src1Name = getRegName(MI->getOperand(0).getReg());
break;
+ case X86::VPERM2F128rr:
+ DecodeVPERM2F128Mask(MI->getOperand(3).getImm(), ShuffleMask);
+ Src1Name = getRegName(MI->getOperand(1).getReg());
+ Src2Name = getRegName(MI->getOperand(2).getReg());
+ break;
}