Darwin should use _setjmp/_longjmp instead of setjmp/longjmp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26833 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index c17795f39439e42816fba0928fb9d801c272584d..a9f09b5ee6d613ec598bb389360b6ec0669f0234 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -50,6 +50,10 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM)
   setShiftAmountFlavor(Mask);   // shl X, 32 == shl X, 0
   setStackPointerRegisterToSaveRestore(X86::ESP);
 
+  if (!TM.getSubtarget<X86Subtarget>().isTargetDarwin())
+    // Darwin should use _setjmp/_longjmp instead of setjmp/longjmp.
+    setUseUnderscoreSetJmpLongJmp(true);
+    
   // Add legal addressing mode scale values.
   addLegalAddressScale(8);
   addLegalAddressScale(4);