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Use .zerofill on x86/darwin.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26196 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-02-15 01:56:23 +00:00
parent c080d6fb3d
commit 17ef92eda7
1 changed files with 22 additions and 15 deletions
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37
lib/Target/X86/X86AsmPrinter.cpp
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@ -96,24 +96,31 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
if (C->isNullValue() && /* FIXME: Verify correct */
(I->hasInternalLinkage() || I->hasWeakLinkage() ||
I->hasLinkOnceLinkage())) {
I->hasLinkOnceLinkage() ||
(forDarwin && I->hasExternalLinkage() && !I->hasSection()))) {
if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
SwitchSection(".data", I);
if (LCOMMDirective != NULL) {
if (I->hasInternalLinkage()) {
O << LCOMMDirective << name << "," << Size;
if (forDarwin)
O << "," << (AlignmentIsInBytes ? (1 << Align) : Align);
} else
O << COMMDirective << name << "," << Size;
if (I->hasExternalLinkage()) {
O << "\t.global\t" << name << "\n";
O << "\t.zerofill __DATA__, __common, " << name << ", "
<< Size << ", " << Align;
} else {
if (I->hasInternalLinkage())
O <<"\t.local\t" << name << "\n";
O << COMMDirective << name << "," << Size;
if (COMMDirectiveTakesAlignment)
O << "," << (AlignmentIsInBytes ? (1 << Align) : Align);
SwitchSection(".data", I);
if (LCOMMDirective != NULL) {
if (I->hasInternalLinkage()) {
O << LCOMMDirective << name << "," << Size;
if (forDarwin)
O << "," << (AlignmentIsInBytes ? (1 << Align) : Align);
} else
O << COMMDirective << name << "," << Size;
} else {
if (I->hasInternalLinkage())
O << "\t.local\t" << name << "\n";
O << COMMDirective << name << "," << Size;
if (COMMDirectiveTakesAlignment)
O << "," << (AlignmentIsInBytes ? (1 << Align) : Align);
}
O << "\t\t" << CommentString << " " << I->getName() << "\n";
}
O << "\t\t" << CommentString << " " << I->getName() << "\n";
} else {
switch (I->getLinkage()) {
case GlobalValue::LinkOnceLinkage: