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AL is an optional mnemonic extension for always, except in IT instructions. 

Add printMandatoryPredicateOperand() PrintMethod for IT predicate printing.

Ref: A8.3 Conditional execution
llvm-svn: 97571
This commit is contained in:
Johnny Chen 2010-03-02 17:57:15 +00:00
parent dc70c3abc0
commit 0dae1cbf1c
4 changed files with 15 additions and 1 deletions
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2
llvm/lib/Target/ARM/ARMInstrThumb2.td
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@ -13,7 +13,7 @@
// IT block predicate field
def it_pred : Operand<i32> {
let PrintMethod = "printPredicateOperand";
let PrintMethod = "printMandatoryPredicateOperand";
}
// IT block condition mask

7
llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
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@ -122,6 +122,7 @@ namespace {
void printT2AddrModeSoRegOperand(const MachineInstr *MI, int OpNum);
void printPredicateOperand(const MachineInstr *MI, int OpNum);
void printMandatoryPredicateOperand(const MachineInstr *MI, int OpNum);
void printSBitModifierOperand(const MachineInstr *MI, int OpNum);
void printPCLabel(const MachineInstr *MI, int OpNum);
void printRegisterList(const MachineInstr *MI, int OpNum);
@ -786,6 +787,12 @@ void ARMAsmPrinter::printPredicateOperand(const MachineInstr *MI, int OpNum) {
O << ARMCondCodeToString(CC);
}
void ARMAsmPrinter::printMandatoryPredicateOperand(const MachineInstr *MI,
int OpNum) {
ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(OpNum).getImm();
O << ARMCondCodeToString(CC);
}
void ARMAsmPrinter::printSBitModifierOperand(const MachineInstr *MI, int OpNum){
unsigned Reg = MI->getOperand(OpNum).getReg();
if (Reg) {

6
llvm/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
View File

@ -325,6 +325,12 @@ void ARMInstPrinter::printPredicateOperand(const MCInst *MI, unsigned OpNum) {
O << ARMCondCodeToString(CC);
}
void ARMInstPrinter::printMandatoryPredicateOperand(const MCInst *MI,
unsigned OpNum) {
ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(OpNum).getImm();
O << ARMCondCodeToString(CC);
}
void ARMInstPrinter::printSBitModifierOperand(const MCInst *MI, unsigned OpNum){
if (MI->getOperand(OpNum).getReg()) {
assert(MI->getOperand(OpNum).getReg() == ARM::CPSR &&

1
llvm/lib/Target/ARM/AsmPrinter/ARMInstPrinter.h
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@ -71,6 +71,7 @@ public:
void printT2AddrModeSoRegOperand(const MCInst *MI, unsigned OpNum) {}
void printPredicateOperand(const MCInst *MI, unsigned OpNum);
void printMandatoryPredicateOperand(const MCInst *MI, unsigned OpNum);
void printSBitModifierOperand(const MCInst *MI, unsigned OpNum);
void printRegisterList(const MCInst *MI, unsigned OpNum);
void printCPInstOperand(const MCInst *MI, unsigned OpNum,