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| author | Stephen Hines <srhines@google.com> | 2012-03-05 14:40:54 -0800 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2012-03-05 14:40:54 -0800 |
| commit | c02a5c5e8d9c1fd2a20ad4aed40f328564e95b40 (patch) | |
| tree | 9a892d465bc8a229322b6c296c346250a95ecd6c /lib/Target/X86/X86FloatingPoint.cpp | |
| parent | 2987cbcdaef9e14f635b6f9ac32c58ff26a2fc0f (diff) | |
| parent | c3384c93c0e4c50da4ad093f08997507f9281c75 (diff) | |
| download | external_llvm-c02a5c5e8d9c1fd2a20ad4aed40f328564e95b40.zip external_llvm-c02a5c5e8d9c1fd2a20ad4aed40f328564e95b40.tar.gz external_llvm-c02a5c5e8d9c1fd2a20ad4aed40f328564e95b40.tar.bz2 | |
Merge branch 'upstream' into merge-20120305
Conflicts:
lib/Support/Atomic.cpp
Change-Id: I563b3bc2a82942ccbae5bed42e53b9149a8bf3a0
Diffstat (limited to 'lib/Target/X86/X86FloatingPoint.cpp')
| -rw-r--r-- | lib/Target/X86/X86FloatingPoint.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp index e3461c8..32de194 100644 --- a/lib/Target/X86/X86FloatingPoint.cpp +++ b/lib/Target/X86/X86FloatingPoint.cpp @@ -1644,6 +1644,30 @@ void FPS::handleSpecialFP(MachineBasicBlock::iterator &I) { return; } + case X86::WIN_FTOL_32: + case X86::WIN_FTOL_64: { + // Push the operand into ST0. + MachineOperand &Op = MI->getOperand(0); + assert(Op.isUse() && Op.isReg() && + Op.getReg() >= X86::FP0 && Op.getReg() <= X86::FP6); + unsigned FPReg = getFPReg(Op); + if (Op.isKill()) + moveToTop(FPReg, I); + else + duplicateToTop(FPReg, FPReg, I); + + // Emit the call. This will pop the operand. + BuildMI(*MBB, I, MI->getDebugLoc(), TII->get(X86::CALLpcrel32)) + .addExternalSymbol("_ftol2") + .addReg(X86::ST0, RegState::ImplicitKill) + .addReg(X86::EAX, RegState::Define | RegState::Implicit) + .addReg(X86::EDX, RegState::Define | RegState::Implicit) + .addReg(X86::EFLAGS, RegState::Define | RegState::Implicit); + --StackTop; + + break; + } + case X86::RET: case X86::RETI: // If RET has an FP register use operand, pass the first one in ST(0) and |