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authorDimitry Andric <dim@FreeBSD.org>2020-07-26 19:36:28 +0000
committerDimitry Andric <dim@FreeBSD.org>2020-07-26 19:36:28 +0000
commitcfca06d7963fa0909f90483b42a6d7d194d01e08 (patch)
tree209fb2a2d68f8f277793fc8df46c753d31bc853b /llvm/lib/Target/X86/X86FloatingPoint.cpp
parent706b4fc47bbc608932d3b491ae19a3b9cde9497b (diff)
Notes
Diffstat (limited to 'llvm/lib/Target/X86/X86FloatingPoint.cpp')
-rw-r--r--llvm/lib/Target/X86/X86FloatingPoint.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86FloatingPoint.cpp b/llvm/lib/Target/X86/X86FloatingPoint.cpp
index 13bbd6ccfce45..e6ee469575005 100644
--- a/llvm/lib/Target/X86/X86FloatingPoint.cpp
+++ b/llvm/lib/Target/X86/X86FloatingPoint.cpp
@@ -1364,6 +1364,9 @@ void FPS::handleTwoArgFP(MachineBasicBlock::iterator &I) {
MBB->remove(&*I++);
I = BuildMI(*MBB, I, dl, TII->get(Opcode)).addReg(getSTReg(NotTOS));
+ if (!MI.mayRaiseFPException())
+ I->setFlag(MachineInstr::MIFlag::NoFPExcept);
+
// If both operands are killed, pop one off of the stack in addition to
// overwriting the other one.
if (KillsOp0 && KillsOp1 && Op0 != Op1) {