[PATCH] D52663: [X86][BtVer2] Teach how to identify zero-idio VPERM2F128rr instructions.

[Matt Davis via Phabricator via llvm-commits]

mattd added inline comments.


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Comment at: lib/Target/X86/X86ScheduleBtVer2.td:692
+               ZeroIdiomPredicate,
+               CheckImmOperand<3, 136>
+             ]> >,      [JWriteZeroIdiomYmm]>,
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If I have read things correctly, 136 represents a bit mask, it might be clearer to represent that value as 0x88 or 0b10001000



https://reviews.llvm.org/D52663