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the latest assembler that runs on powerpc 10.4 machines doesn't

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support aligned comm.  Detect when compiling for 10.4 and don't
emit an alignment for comm.  THis will hopefully fix PR8198.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114817 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-09-27 06:44:54 +00:00
parent 80945784f9
commit 8048ebe91d
6 changed files with 40 additions and 2 deletions
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14
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
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@ -33,6 +33,7 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Triple.h"
using namespace llvm;
using namespace dwarf;
@ -450,6 +451,19 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
IsFunctionEHSymbolGlobal = true;
IsFunctionEHFrameSymbolPrivate = false;
SupportsWeakOmittedEHFrame = false;
Triple T(((LLVMTargetMachine&)TM).getTargetTriple());
if (T.getOS() == Triple::Darwin) {
switch (T.getDarwinMajorNumber()) {
case 7: // 10.3 Panther.
case 8: // 10.4 Tiger.
CommDirectiveSupportsAlignment = false;
break;
case 9: // 10.5 Leopard.
case 10: // 10.6 SnowLeopard.
break;
}
}
TargetLoweringObjectFile::Initialize(Ctx, TM);