[llvm-commits] CVS: llvm/lib/Target/CBackend/Writer.cpp
Chris Lattner
lattner at cs.uiuc.edu
Tue Jun 6 14:46:00 PDT 2006
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 << ", ";
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