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Add support for the 'd' mips inline asm output modifier. 

Patch by Jack Carter.

llvm-svn: 157093
This commit is contained in:
Eric Christopher 2012-05-19 00:51:56 +00:00
parent 7fa4e0fea6
commit bc5d24999c
2 changed files with 23 additions and 12 deletions
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29
llvm/lib/Target/Mips/MipsAsmPrinter.cpp
View File

@ -376,18 +376,23 @@ bool MipsAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
const MachineOperand &MO = MI->getOperand(OpNum);
switch (ExtraCode[0]) {
default:
return true; // Unknown modifier.
case 'X': // hex const int
if ((MO.getType()) != MachineOperand::MO_Immediate)
return true;
O << "0x" << StringRef(utohexstr(MO.getImm())).lower();
return false;
case 'x': // hex const int (low 16 bits)
if ((MO.getType()) != MachineOperand::MO_Immediate)
return true;
O << "0x" << StringRef(utohexstr(MO.getImm() & 0xffff)).lower();
return false;
default:
return true; // Unknown modifier.
case 'X': // hex const int
if ((MO.getType()) != MachineOperand::MO_Immediate)
return true;
O << "0x" << StringRef(utohexstr(MO.getImm())).lower();
return false;
case 'x': // hex const int (low 16 bits)
if ((MO.getType()) != MachineOperand::MO_Immediate)
return true;
O << "0x" << StringRef(utohexstr(MO.getImm() & 0xffff)).lower();
return false;
case 'd': // decimal const int
if ((MO.getType()) != MachineOperand::MO_Immediate)
return true;
O << MO.getImm();
return false;
}
}

6
llvm/test/CodeGen/Mips/inlineasm-operand-code.ll
View File

@ -17,5 +17,11 @@ entry:
;CHECK: #NO_APP
tail call i32 asm sideeffect "addi $0,$1,${2:x}", "=r,r,I"(i32 7, i32 -3) nounwind
; d with -3
;CHECK: #APP
;CHECK: addi ${{[0-9]+}},${{[0-9]+}},-3
;CHECK: #NO_APP
tail call i32 asm sideeffect "addi $0,$1,${2:d}", "=r,r,I"(i32 7, i32 -3) nounwind
ret i32 0
}