diff options
| author | Nate Begeman <natebegeman@mac.com> | 2005-04-01 01:08:07 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2005-04-01 01:08:07 +0000 |
| commit | 6d369ccae002bd0f1e506545b7f4590b081d778d (patch) | |
| tree | bca834808e91eb4301e01d03a7259dbf4d890708 /lib/Target/PowerPC/PPCISelPattern.cpp | |
| parent | dffcfccc13f0cc39b774c47b93ac8a64e93f0d8d (diff) | |
Add support for adding 0.0 and -0.0 to the constant pool, since we lie and
say that we support them, for the purposes of generating fsel instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20970 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCISelPattern.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelPattern.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/Target/PowerPC/PPCISelPattern.cpp b/lib/Target/PowerPC/PPCISelPattern.cpp index fd4d89db2f..558232669e 100644 --- a/lib/Target/PowerPC/PPCISelPattern.cpp +++ b/lib/Target/PowerPC/PPCISelPattern.cpp @@ -760,9 +760,17 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result) BuildMI(BB, PPC::FMR, 1, Result).addReg(Tmp1); return Result; - case ISD::ConstantFP: - assert(0 && "ISD::ConstantFP Unimplemented"); - abort(); + case ISD::ConstantFP: { + Tmp1 = MakeReg(MVT::i32); + ConstantFPSDNode *CN = cast<ConstantFPSDNode>(N); + MachineConstantPool *CP = BB->getParent()->getConstantPool(); + ConstantFP *CFP = ConstantFP::get(Type::DoubleTy, CN->getValue()); + unsigned CPI = CP->getConstantPoolIndex(CFP); + BuildMI(BB, PPC::LOADHiAddr, 2, Tmp1).addReg(getGlobalBaseReg()) + .addConstantPoolIndex(CPI); + BuildMI(BB, PPC::LFD, 2, Result).addConstantPoolIndex(CPI).addReg(Tmp1); + return Result; + } case ISD::MUL: case ISD::ADD: |