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| author | Chris Lattner <sabre@nondot.org> | 2010-12-19 20:19:20 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-12-19 20:19:20 +0000 |
| commit | 2a786eb030bbcbadc2fc7713b8933e6e8b383b28 (patch) | |
| tree | 9f1250cc26928472b7197b5ba137f5fd4ac4b3d0 /lib/Target/X86/X86ISelLowering.cpp | |
| parent | 6f948be128ea99edf0351134881f53bf59507bed (diff) | |
| download | external_llvm-2a786eb030bbcbadc2fc7713b8933e6e8b383b28.zip external_llvm-2a786eb030bbcbadc2fc7713b8933e6e8b383b28.tar.gz external_llvm-2a786eb030bbcbadc2fc7713b8933e6e8b383b28.tar.bz2 | |
now that generic vector types aren't selected onto MMX operations,
we don't need -disable-mmx anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122189 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 82e8556..a805f10 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -55,9 +55,6 @@ using namespace dwarf; STATISTIC(NumTailCalls, "Number of tail calls"); -static cl::opt<bool> -DisableMMX("disable-mmx", cl::Hidden, cl::desc("Disable use of MMX")); - // Forward declarations. static SDValue getMOVL(SelectionDAG &DAG, DebugLoc dl, EVT VT, SDValue V1, SDValue V2); @@ -613,7 +610,7 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) // FIXME: In order to prevent SSE instructions being expanded to MMX ones // with -msoft-float, disable use of MMX as well. - if (!UseSoftFloat && !DisableMMX && Subtarget->hasMMX()) { + if (!UseSoftFloat && Subtarget->hasMMX()) { addRegisterClass(MVT::x86mmx, X86::VR64RegisterClass); // No operations on x86mmx supported, everything uses intrinsics. } @@ -8604,9 +8601,8 @@ SDValue X86TargetLowering::LowerBITCAST(SDValue Op, SelectionDAG &DAG) const { EVT SrcVT = Op.getOperand(0).getValueType(); EVT DstVT = Op.getValueType(); - assert((Subtarget->is64Bit() && !Subtarget->hasSSE2() && - Subtarget->hasMMX() && !DisableMMX) && - "Unexpected custom BITCAST"); + assert(Subtarget->is64Bit() && !Subtarget->hasSSE2() && + Subtarget->hasMMX() && "Unexpected custom BITCAST"); assert((DstVT == MVT::i64 || (DstVT.isVector() && DstVT.getSizeInBits()==64)) && "Unexpected custom BITCAST"); @@ -11793,7 +11789,7 @@ TargetLowering::ConstraintWeight weight = CW_SpecificReg; break; case 'y': - if (type->isX86_MMXTy() && !DisableMMX && Subtarget->hasMMX()) + if (type->isX86_MMXTy() && Subtarget->hasMMX()) weight = CW_SpecificReg; break; case 'x': |