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| author | Chris Lattner <sabre@nondot.org> | 2005-04-28 21:48:42 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-04-28 21:48:42 +0000 |
| commit | effaec5436f1649181bebc3fe57723b1cbaf2d0e (patch) | |
| tree | 5296519c574444b98b6c47d2f87994d608bfc327 | |
| parent | 9d6fa98ec7aec3ebaa0a795d2224658986274e1c (diff) | |
| download | bcm5719-llvm-effaec5436f1649181bebc3fe57723b1cbaf2d0e.tar.gz bcm5719-llvm-effaec5436f1649181bebc3fe57723b1cbaf2d0e.zip | |
Codegen fabs/fabsf as FABS. Patch contributed by Morten Ofstad
llvm-svn: 21607
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelSimple.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelSimple.cpp b/llvm/lib/Target/X86/X86ISelSimple.cpp index b783002420d..cd0c0d31475 100644 --- a/llvm/lib/Target/X86/X86ISelSimple.cpp +++ b/llvm/lib/Target/X86/X86ISelSimple.cpp @@ -1735,6 +1735,15 @@ void X86ISel::visitCallInst(CallInst &CI) { 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. |
