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[X86] Add a couple TODOs to the PMADD52 instrucions about missing commuting opportunities.

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llvm-svn: 312310
This commit is contained in:
Craig Topper 2017-09-01 07:58:13 +00:00
parent 439189616a
commit 34703f638b
1 changed files with 3 additions and 0 deletions
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lib/Target/X86/X86InstrAVX512.td
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@ -6808,6 +6808,9 @@ multiclass avx512_pmadd52_rm<bits<8> opc, string OpcodeStr, SDNode OpNode,
_.RC:$src2,(_.VT (X86VBroadcast (_.ScalarLdFrag addr:$src3))))>,
AVX512FMA3Base, EVEX_B;
}
// TODO: Should be able to match a memory op in operand 2.
// TODO: These instructions should be marked Commutable on operand 2 and 3.
}
} // Constraints = "$src1 = $dst"