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Fix a subtle bug involving constant expr casts from int to fp

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19410 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-01-09 01:49:29 +00:00
parent ee749d7488
commit 6e7c47c12d
1 changed files with 2 additions and 2 deletions
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4
lib/Target/X86/X86ISelSimple.cpp
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@ -3576,13 +3576,13 @@ void X86ISel::emitCastOperation(MachineBasicBlock *BB,
// Compute whether the sign bit is set by shifting the reg right 31 bits. // Compute whether the sign bit is set by shifting the reg right 31 bits.
unsigned IsNeg = makeAnotherReg(Type::IntTy); unsigned IsNeg = makeAnotherReg(Type::IntTy);
BuildMI(BB, X86::SHR32ri, 2, IsNeg).addReg(SrcReg).addImm(31); BuildMI(*BB, IP, X86::SHR32ri, 2, IsNeg).addReg(SrcReg).addImm(31);
// Create a CP value that has the offset in one word and 0 in the other. // Create a CP value that has the offset in one word and 0 in the other.
static ConstantInt *TheOffset = ConstantUInt::get(Type::ULongTy, static ConstantInt *TheOffset = ConstantUInt::get(Type::ULongTy,
0x4f80000000000000ULL); 0x4f80000000000000ULL);
unsigned CPI = F->getConstantPool()->getConstantPoolIndex(TheOffset); unsigned CPI = F->getConstantPool()->getConstantPoolIndex(TheOffset);
BuildMI(BB, X86::FADD32m, 5, RealDestReg).addReg(DestReg) BuildMI(*BB, IP, X86::FADD32m, 5, RealDestReg).addReg(DestReg)
.addConstantPoolIndex(CPI).addZImm(4).addReg(IsNeg).addSImm(0); .addConstantPoolIndex(CPI).addZImm(4).addReg(IsNeg).addSImm(0);
} else if (SrcTy == Type::ULongTy) { } else if (SrcTy == Type::ULongTy) {