diff options
| author | Nate Begeman <natebegeman@mac.com> | 2005-12-20 00:26:01 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2005-12-20 00:26:01 +0000 |
| commit | 9e4dd9dfc97f3930f58ca6e47bebbd8eb5cdd8a1 (patch) | |
| tree | a7f50adb4278d63b7be1c305f2caaa7540903032 /lib/Target/PowerPC/PPCISelLowering.cpp | |
| parent | e08705134f133bd9c9f0c3976174b692a912f69e (diff) | |
Pattern-match return. Includes gross hack!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24874 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCISelLowering.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.cpp | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index ba3fa0ed2c..0e5000e37f 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -793,15 +793,26 @@ PPCTargetLowering::LowerCallTo(SDOperand Chain, SDOperand PPCTargetLowering::LowerReturnTo(SDOperand Chain, SDOperand Op, SelectionDAG &DAG) { - if (Op.getValueType() == MVT::i64) { - SDOperand Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Op, - DAG.getConstant(1, MVT::i32)); - SDOperand Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Op, - DAG.getConstant(0, MVT::i32)); - return DAG.getNode(ISD::RET, MVT::Other, Chain, Lo, Hi); - } else { - return DAG.getNode(ISD::RET, MVT::Other, Chain, Op); + SDOperand Copy; + switch (Op.getValueType()) { + default: assert(0 && "Unknown type to return!"); + case MVT::i32: + Copy = DAG.getCopyToReg(Chain, PPC::R3, Op, SDOperand()); + break; + case MVT::f32: + case MVT::f64: + Copy = DAG.getCopyToReg(Chain, PPC::F1, Op, SDOperand()); + break; + case MVT::i64: + SDOperand Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Op, + DAG.getConstant(1, MVT::i32)); + SDOperand Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Op, + DAG.getConstant(0, MVT::i32)); + Copy = DAG.getCopyToReg(Chain, PPC::R3, Hi, SDOperand()); + Copy = DAG.getCopyToReg(Copy, PPC::R4, Lo, Copy.getValue(1)); + break; } + return DAG.getNode(PPCISD::RET_FLAG, MVT::Other, Copy, Copy.getValue(1)); } SDOperand PPCTargetLowering::LowerVAStart(SDOperand Chain, SDOperand VAListP, |