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Allow x86 mov instructions to/from memory with absolute address to be encoded and disassembled with a segment override prefix. Fixes PR16962.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199364 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-01-16 07:36:58 +00:00
parent 4500ebda77
commit 85026d9375
12 changed files with 130 additions and 60 deletions
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7
lib/Target/X86/InstPrinter/X86ATTInstPrinter.cpp
View File

@@ -229,9 +229,16 @@ void X86ATTInstPrinter::printMemReference(const MCInst *MI, unsigned Op,
void X86ATTInstPrinter::printMemOffset(const MCInst *MI, unsigned Op,
raw_ostream &O) {
const MCOperand &DispSpec = MI->getOperand(Op);
const MCOperand &SegReg = MI->getOperand(Op+1);
O << markup("<mem:");
// If this has a segment register, print it.
if (SegReg.getReg()) {
printOperand(MI, Op+1, O);
O << ':';
}
if (DispSpec.isImm()) {
O << formatImm(DispSpec.getImm());
} else {

7
lib/Target/X86/InstPrinter/X86IntelInstPrinter.cpp
View File

@@ -215,6 +215,13 @@ void X86IntelInstPrinter::printMemReference(const MCInst *MI, unsigned Op,
void X86IntelInstPrinter::printMemOffset(const MCInst *MI, unsigned Op,
raw_ostream &O) {
const MCOperand &DispSpec = MI->getOperand(Op);
const MCOperand &SegReg = MI->getOperand(Op+1);
// If this has a segment register, print it.
if (SegReg.getReg()) {
printOperand(MI, Op+1, O);
O << ':';
}
O << '[';