[PATCH] D11660: [x86] reassociate integer multiplies using machine combiner pass

[Sanjay Patel]

spatel added inline comments.

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Comment at: lib/Target/X86/X86InstrInfo.cpp:6506
@@ -6485,3 +6505,3 @@
       .addReg(RegY, getKillRegState(KillY));
   InsInstrs.push_back(MIB1);
 
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Is it ok that I'm not explicitly adding a dead EFLAGS operand (if this is an integer instruction)? I see that the operand gets added later anyway based on the instruction type, but I wonder if it's poor form to not do it right here.


http://reviews.llvm.org/D11660