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tidy up a bit.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81744 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-09-14 01:34:40 +00:00
parent f96271afed
commit f92c95f307
1 changed files with 8 additions and 16 deletions
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24
lib/Target/X86/AsmPrinter/X86ATTInstPrinter.cpp
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@@ -41,46 +41,38 @@ void X86ATTInstPrinter::printSSECC(const MCInst *MI, unsigned Op) {
} }
} }
void X86ATTInstPrinter::printPICLabel(const MCInst *MI, unsigned Op) { void X86ATTInstPrinter::printPICLabel(const MCInst *MI, unsigned Op) {
llvm_unreachable("This is only used for MOVPC32r," llvm_unreachable("This is only used for MOVPC32r,"
"should lower before instruction printing!"); "should lower before instruction printing!");
} }
/// print_pcrel_imm - This is used to print an immediate value that ends up /// print_pcrel_imm - This is used to print an immediate value that ends up
/// being encoded as a pc-relative value. These print slightly differently, for /// being encoded as a pc-relative value. These print slightly differently, for
/// example, a $ is not emitted. /// example, a $ is not emitted.
void X86ATTInstPrinter::print_pcrel_imm(const MCInst *MI, unsigned OpNo) { void X86ATTInstPrinter::print_pcrel_imm(const MCInst *MI, unsigned OpNo) {
const MCOperand &Op = MI->getOperand(OpNo); const MCOperand &Op = MI->getOperand(OpNo);
if (Op.isImm()) if (Op.isImm())
O << Op.getImm(); O << Op.getImm();
else if (Op.isExpr()) else {
assert(Op.isExpr() && "unknown pcrel immediate operand");
Op.getExpr()->print(O, MAI); Op.getExpr()->print(O, MAI);
else }
llvm_unreachable("Unknown pcrel immediate operand");
} }
void X86ATTInstPrinter::printOperand(const MCInst *MI, unsigned OpNo, void X86ATTInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
const char *Modifier) { const char *Modifier) {
assert(Modifier == 0 && "Modifiers should not be used"); assert(Modifier == 0 && "Modifiers should not be used");
const MCOperand &Op = MI->getOperand(OpNo); const MCOperand &Op = MI->getOperand(OpNo);
if (Op.isReg()) { if (Op.isReg()) {
O << '%' << getRegisterName(Op.getReg()); O << '%' << getRegisterName(Op.getReg());
return;
} else if (Op.isImm()) { } else if (Op.isImm()) {
O << '$' << Op.getImm(); O << '$' << Op.getImm();
return; } else {
} else if (Op.isExpr()) { assert(Op.isExpr() && "unknown operand kind in printOperand");
O << '$'; O << '$';
Op.getExpr()->print(O, MAI); Op.getExpr()->print(O, MAI);
return;
} }
O << "<<UNKNOWN OPERAND KIND>>";
} }
void X86ATTInstPrinter::printLeaMemReference(const MCInst *MI, unsigned Op) { void X86ATTInstPrinter::printLeaMemReference(const MCInst *MI, unsigned Op) {
@@ -114,8 +106,8 @@ void X86ATTInstPrinter::printLeaMemReference(const MCInst *MI, unsigned Op) {
} }
void X86ATTInstPrinter::printMemReference(const MCInst *MI, unsigned Op) { void X86ATTInstPrinter::printMemReference(const MCInst *MI, unsigned Op) {
const MCOperand &Segment = MI->getOperand(Op+4); // If this has a segment register, print it.
if (Segment.getReg()) { if (MI->getOperand(Op+4).getReg()) {
printOperand(MI, Op+4); printOperand(MI, Op+4);
O << ':'; O << ':';
} }