[llvm-commits] CVS: llvm/lib/Target/CBackend/Writer.cpp

[Chris Lattner]

Changes in directory llvm/lib/Target/CBackend:

Writer.cpp updated: 1.264 -> 1.265
---
Log message:

Now that PR633: http://llvm.cs.uiuc.edu/PR633  is implemented, the CBE can know to emit _setjmp/_longjmp
when available.  This speeds up hexxagon from 18.61s to 16.61s with the CBE on
PPC Mac OS (for reference, LLC is 15.48s and GCC is 23.35s).


---
Diffs of the changes:  (+6 -0)

 Writer.cpp |    6 ++++++
 1 files changed, 6 insertions(+)


Index: llvm/lib/Target/CBackend/Writer.cpp
diff -u llvm/lib/Target/CBackend/Writer.cpp:1.264 llvm/lib/Target/CBackend/Writer.cpp:1.265
--- llvm/lib/Target/CBackend/Writer.cpp:1.264	Fri Jun  2 13:54:01 2006
+++ llvm/lib/Target/CBackend/Writer.cpp	Tue Jun  6 16:45:47 2006
@@ -1779,11 +1779,17 @@
         Out << ')';
         return;
       case Intrinsic::setjmp:
+#if defined(HAVE__SETJMP) && defined(HAVE__LONGJMP)
+        Out << "_";  // Use _setjmp on systems that support it!
+#endif
         Out << "setjmp(*(jmp_buf*)";
         writeOperand(I.getOperand(1));
         Out << ')';
         return;
       case Intrinsic::longjmp:
+#if defined(HAVE__SETJMP) && defined(HAVE__LONGJMP)
+        Out << "_";  // Use _longjmp on systems that support it!
+#endif
         Out << "longjmp(*(jmp_buf*)";
         writeOperand(I.getOperand(1));
         Out << ", ";