[llvm] r305837 - [GISel]: NFC. Add comment to G_FMA opcode as requested in rL305824

[Aditya Nandakumar via llvm-commits]

Author: aditya_nandakumar
Date: Tue Jun 20 14:52:29 2017
New Revision: 305837

URL: http://llvm.org/viewvc/llvm-project?rev=305837&view=rev
Log:
[GISel]: NFC. Add comment to G_FMA opcode as requested in rL305824

Modified:
    llvm/trunk/include/llvm/Target/GenericOpcodes.td

Modified: llvm/trunk/include/llvm/Target/GenericOpcodes.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/GenericOpcodes.td?rev=305837&r1=305836&r2=305837&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/GenericOpcodes.td (original)
+++ llvm/trunk/include/llvm/Target/GenericOpcodes.td Tue Jun 20 14:52:29 2017
@@ -387,6 +387,7 @@ def G_FMUL : Instruction {
 }
 
 // Generic fused multiply-add instruction.
+// Behaves like llvm fma intrinsic ie src1 * src2 + src3
 def G_FMA : Instruction {
   let OutOperandList = (outs type0:$dst);
   let InOperandList = (ins type0:$src1, type0:$src2, type0:$src3);