[PATCH] R600/SI: Use mad for fsub + fmul
Matt Arsenault
Matthew.Arsenault at amd.com
Sat Aug 16 19:17:56 PDT 2014
We can use a negate source modifier to match this for fsub.
http://reviews.llvm.org/D4942
Files:
lib/Target/R600/AMDGPUISelLowering.cpp
lib/Target/R600/AMDGPUISelLowering.h
lib/Target/R600/AMDGPUInstrInfo.td
lib/Target/R600/SIISelLowering.cpp
lib/Target/R600/SIInstrInfo.td
lib/Target/R600/SIInstructions.td
test/CodeGen/R600/mad-sub.ll
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