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Implement printing of store instructions 

llvm-svn: 4813
This commit is contained in:
Chris Lattner 2002-11-21 21:03:39 +00:00
parent 61fafd35f5
commit 4fbd8a2f78
1 changed files with 20 additions and 5 deletions
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25
llvm/lib/Target/X86/Printer.cpp
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@ -379,6 +379,25 @@ void X86InstrInfo::print(const MachineInstr *MI, std::ostream &O,
O << "\n";
return;
}
case X86II::MRMDestMem: {
// These instructions are the same as MRMDestReg, but instead of having a
// register reference for the mod/rm field, it's a memory reference.
//
assert(isMem(MI, 0) && MI->getNumOperands() == 4+1 &&
isReg(MI->getOperand(4)) && "Bad format for MRMDestMem!");
toHex(O, getBaseOpcodeFor(Opcode)) << " ";
emitMemModRMByte(O, MI, 0, getX86RegNum(MI->getOperand(4).getReg()));
O << "\n\t\t\t\t";
O << getName(MI->getOpCode()) << " <SIZE> PTR ";
printMemReference(O, MI, 0, RI);
O << ", ";
printOp(O, MI->getOperand(4), RI);
O << "\n";
return;
}
case X86II::MRMSrcReg: {
// There is a two forms that are acceptable for MRMSrcReg instructions,
// those with 3 and 2 operands:
@ -415,10 +434,7 @@ void X86InstrInfo::print(const MachineInstr *MI, std::ostream &O,
case X86II::MRMSrcMem: {
// These instructions are the same as MRMSrcReg, but instead of having a
// register reference for the mod/rm field, it's a memory reference.
//I(MOVmr8 , "movb", 0x8A, 0, X86II::MRMSrcMem)
// R8 = [mem] 8A/r
//
assert(isReg(MI->getOperand(0)) &&
(MI->getNumOperands() == 1+4 && isMem(MI, 1)) ||
(MI->getNumOperands() == 2+4 && isReg(MI->getOperand(1)) &&
@ -483,7 +499,6 @@ void X86InstrInfo::print(const MachineInstr *MI, std::ostream &O,
return;
}
case X86II::MRMDestMem:
default:
O << "\t\t\t-"; MI->print(O, TM); break;
}