Added FMA3 Intel instructions.
I disabled FMA3 autodetection, since the result may differ from expected for some benchmarks.
I added tests for GodeGen and intrinsics.
I did not change llvm.fma.f32/64 - it may be done later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157737 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index d84329f..3079dfa 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -933,7 +933,10 @@
}
// Classify VEX_B, VEX_4V, VEX_R, VEX_X
+ unsigned NumOps = Desc->getNumOperands();
unsigned CurOp = 0;
+ if (NumOps > 1 && Desc->getOperandConstraint(1, MCOI::TIED_TO) != -1)
+ ++CurOp;
switch (TSFlags & X86II::FormMask) {
case X86II::MRMInitReg:
// Duplicate register.