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| author | Chris Lattner <sabre@nondot.org> | 2005-04-28 22:07:18 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-04-28 22:07:18 +0000 |
| commit | 2c56e8a23e06e1369408234bd9125dfc35a30193 (patch) | |
| tree | ff52ba13120ae5e27f37c2eca7ef56f634567daa | |
| parent | 5b103c20e37638e8665c0b64b4166ca59bc8b369 (diff) | |
Add support for FSQRT node, patch contributed by Morten Ofstad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21610 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86ISelPattern.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/Target/X86/X86ISelPattern.cpp b/lib/Target/X86/X86ISelPattern.cpp index bb9e901e1e..d7ea0e3c8e 100644 --- a/lib/Target/X86/X86ISelPattern.cpp +++ b/lib/Target/X86/X86ISelPattern.cpp @@ -1830,12 +1830,16 @@ unsigned ISel::SelectExpr(SDOperand N) { return Result; case ISD::FABS: - Tmp1 = SelectExpr(Node->getOperand(0)); - BuildMI(BB, X86::FABS, 1, Result).addReg(Tmp1); - return Result; case ISD::FNEG: + case ISD::FSQRT: + assert(N.getValueType()==MVT::f64 && "Illegal type for this operation"); Tmp1 = SelectExpr(Node->getOperand(0)); - BuildMI(BB, X86::FCHS, 1, Result).addReg(Tmp1); + switch (N.getOpcode()) { + default: assert(0 && "Unreachable!"); + case ISD::FABS: BuildMI(BB, X86::FABS, 1, Result).addReg(Tmp1); break; + case ISD::FNEG: BuildMI(BB, X86::FCHS, 1, Result).addReg(Tmp1); break; + case ISD::FSQRT: BuildMI(BB, X86::FSQRT, 1, Result).addReg(Tmp1); break; + } return Result; case ISD::MULHU: |