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Fix for PR1059: http://llvm.org/PR1059

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32685 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2006-12-19 21:04:20 +00:00
parent a68941b2d4
commit 24287ddb81
3 changed files with 16 additions and 5 deletions
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9
lib/CodeGen/AsmPrinter.cpp
View File

@ -214,14 +214,17 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
// Pick the directive to use to print the jump table entries, and switch to
// the appropriate section.
TargetLowering *LoweringInfo = TM.getTargetLowering();
if (IsPic && !(LoweringInfo && LoweringInfo->usesGlobalOffsetTable())) {
const char* JumpTableDataSection = TAI->getJumpTableDataSection();
if ((IsPic && !(LoweringInfo && LoweringInfo->usesGlobalOffsetTable())) ||
!JumpTableDataSection) {
// In PIC mode, we need to emit the jump table to the same section as the
// function body itself, otherwise the label differences won't make sense.
// We should also do if the section name is NULL.
const Function *F = MF.getFunction();
SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
} else {
SwitchToDataSection(TAI->getJumpTableDataSection());
SwitchToDataSection(JumpTableDataSection);
}
EmitAlignment(Log2_32(MJTI->getAlignment()));

11
lib/Target/X86/X86IntelAsmPrinter.cpp
View File

@ -113,7 +113,7 @@ void X86IntelAsmPrinter::printOp(const MachineOperand &MO,
const char *Modifier) {
const MRegisterInfo &RI = *TM.getRegisterInfo();
switch (MO.getType()) {
case MachineOperand::MO_Register:
case MachineOperand::MO_Register: {
if (MRegisterInfo::isPhysicalRegister(MO.getReg())) {
unsigned Reg = MO.getReg();
if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
@ -126,13 +126,20 @@ void X86IntelAsmPrinter::printOp(const MachineOperand &MO,
} else
O << "reg" << MO.getReg();
return;
}
case MachineOperand::MO_Immediate:
O << MO.getImmedValue();
return;
case MachineOperand::MO_MachineBasicBlock:
printBasicBlockLabel(MO.getMachineBasicBlock());
return;
case MachineOperand::MO_JumpTableIndex: {
bool isMemOp = Modifier && !strcmp(Modifier, "mem");
if (!isMemOp) O << "OFFSET ";
O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< "_" << MO.getJumpTableIndex();
return;
}
case MachineOperand::MO_ConstantPoolIndex: {
bool isMemOp = Modifier && !strcmp(Modifier, "mem");
if (!isMemOp) O << "OFFSET ";

1
lib/Target/X86/X86TargetAsmInfo.cpp
View File

@ -152,6 +152,7 @@ X86TargetAsmInfo::X86TargetAsmInfo(const X86TargetMachine &TM) {
TextSection = "_text";
DataSection = "_data";
JumpTableDataSection = NULL;
SwitchToSectionDirective = "";
TextSectionStartSuffix = "\tsegment 'CODE'";
DataSectionStartSuffix = "\tsegment 'DATA'";