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JIT large code model support.

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llvm-svn: 32220
This commit is contained in:
Evan Cheng 2006-12-05 07:29:55 +00:00
parent 28a5079f58
commit 32c16b7d3a
1 changed files with 13 additions and 7 deletions
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20
lib/Target/X86/X86CodeEmitter.cpp
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@ -173,6 +173,8 @@ void Emitter::emitConstPoolAddress(unsigned CPI, unsigned Reloc,
unsigned PCAdj /* = 0 */) {
MCE.addRelocation(MachineRelocation::getConstPool(MCE.getCurrentPCOffset(),
Reloc, CPI, PCAdj));
if (Reloc == X86::reloc_absolute_dword)
MCE.emitWordLE(0);
MCE.emitWordLE(Disp); // The relocated value will be added to the displacement
}
@ -183,6 +185,8 @@ void Emitter::emitJumpTableAddress(unsigned JTI, unsigned Reloc,
unsigned PCAdj /* = 0 */) {
MCE.addRelocation(MachineRelocation::getJumpTable(MCE.getCurrentPCOffset(),
Reloc, JTI, PCAdj));
if (Reloc == X86::reloc_absolute_dword)
MCE.emitWordLE(0);
MCE.emitWordLE(0); // The relocated value will be added to the displacement
}
@ -617,7 +621,7 @@ void Emitter::emitInstruction(const MachineInstr &MI) {
unsigned CurOp = 0;
if (NumOps > 1 && Desc->getOperandConstraint(1, TOI::TIED_TO) != -1)
CurOp++;
unsigned char BaseOpcode = II->getBaseOpcodeFor(Desc);
switch (Desc->TSFlags & X86II::FormMask) {
default: assert(0 && "Unknown FormMask value in X86 MachineCodeEmitter!");
@ -675,9 +679,8 @@ void Emitter::emitInstruction(const MachineInstr &MI) {
emitConstant(MO1.getImm(), Size);
else {
unsigned rt = Is64BitMode ? X86::reloc_pcrel_word : X86::reloc_absolute_word;
// FIXME
if (Opcode == X86::MOV64ri)
rt = X86::reloc_absolute_dword;
rt = X86::reloc_absolute_dword; // FIXME: add X86II flag?
if (MO1.isGlobalAddress())
emitGlobalAddressForPtr(MO1.getGlobal(), rt, MO1.getOffset());
else if (MO1.isExternalSymbol())
@ -743,10 +746,10 @@ void Emitter::emitInstruction(const MachineInstr &MI) {
if (MO1.isImmediate())
emitConstant(MO1.getImm(), Size);
else {
unsigned rt = Is64BitMode ? X86::reloc_pcrel_word : X86::reloc_absolute_word;
// FIXME
unsigned rt = Is64BitMode ? X86::reloc_pcrel_word
: X86::reloc_absolute_word;
if (Opcode == X86::MOV64ri32)
rt = X86::reloc_absolute_word;
rt = X86::reloc_absolute_word; // FIXME: add X86II flag?
if (MO1.isGlobalAddress())
emitGlobalAddressForPtr(MO1.getGlobal(), rt, MO1.getOffset());
else if (MO1.isExternalSymbol())
@ -777,7 +780,10 @@ void Emitter::emitInstruction(const MachineInstr &MI) {
if (MO.isImmediate())
emitConstant(MO.getImm(), Size);
else {
unsigned rt = Is64BitMode ? X86::reloc_pcrel_word : X86::reloc_absolute_word;
unsigned rt = Is64BitMode ? X86::reloc_pcrel_word
: X86::reloc_absolute_word;
if (Opcode == X86::MOV64mi32)
rt = X86::reloc_absolute_word; // FIXME: add X86II flag?
if (MO.isGlobalAddress())
emitGlobalAddressForPtr(MO.getGlobal(), rt, MO.getOffset());
else if (MO.isExternalSymbol())