[llvm-commits] CVS: llvm/lib/Target/X86/X86ISelSimple.cpp
Chris Lattner
lattner at cs.uiuc.edu
Thu Apr 28 14:48:59 PDT 2005
Changes in directory llvm/lib/Target/X86:
X86ISelSimple.cpp updated: 1.314 -> 1.315
---
Log message:
Codegen fabs/fabsf as FABS. Patch contributed by Morten Ofstad
---
Diffs of the changes: (+9 -0)
X86ISelSimple.cpp | 9 +++++++++
1 files changed, 9 insertions(+)
Index: llvm/lib/Target/X86/X86ISelSimple.cpp
diff -u llvm/lib/Target/X86/X86ISelSimple.cpp:1.314 llvm/lib/Target/X86/X86ISelSimple.cpp:1.315
--- llvm/lib/Target/X86/X86ISelSimple.cpp:1.314 Thu Apr 21 18:38:14 2005
+++ llvm/lib/Target/X86/X86ISelSimple.cpp Thu Apr 28 16:48:42 2005
@@ -1735,6 +1735,15 @@
if (Intrinsic::ID ID = (Intrinsic::ID)F->getIntrinsicID()) {
visitIntrinsicCall(ID, CI); // Special intrinsics are not handled here
return;
+ } else if (F->getName() == "fabs" || F->getName() == "fabsf") {
+ if (CI.getNumOperands() == 2 && // Basic sanity checks.
+ CI.getOperand(1)->getType()->isFloatingPoint() &&
+ CI.getType() == CI.getOperand(1)->getType()) {
+ unsigned op1Reg = getReg(CI.getOperand(1));
+ unsigned DestReg = getReg(CI);
+ BuildMI(BB, X86::FABS, 1, DestReg).addReg(op1Reg);
+ return;
+ }
}
// Emit a CALL instruction with PC-relative displacement.
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