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Now that PR633 is implemented, the CBE can know to emit _setjmp/_longjmp

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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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28697 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-06-06 21:45:47 +00:00
parent 001db453f5
commit 475c55393a
2 changed files with 12 additions and 0 deletions
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6
lib/Target/CBackend/CBackend.cpp
View File

@ -1779,11 +1779,17 @@ void CWriter::visitCallInst(CallInst &I) {
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 << ", ";

6
lib/Target/CBackend/Writer.cpp
View File

@ -1779,11 +1779,17 @@ void CWriter::visitCallInst(CallInst &I) {
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 << ", ";