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Some early full call lowering draft for direct calls

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70729 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2009-05-03 13:08:13 +00:00
parent b561264d2b
commit 3c2684d136
2 changed files with 33 additions and 11 deletions
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28
lib/Target/MSP430/MSP430AsmPrinter.cpp
View File

@ -127,19 +127,33 @@ void MSP430AsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
const MachineOperand &MO = MI->getOperand(OpNum);
switch (MO.getType()) {
case MachineOperand::MO_Register:
if (TargetRegisterInfo::isPhysicalRegister(MO.getReg()))
O << TM.getRegisterInfo()->get(MO.getReg()).AsmName;
else
assert(0 && "not implemented");
break;
assert (TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
"Virtual registers should be already mapped!");
O << TM.getRegisterInfo()->get(MO.getReg()).AsmName;
return;
case MachineOperand::MO_Immediate:
if (!Modifier || strcmp(Modifier, "nohash"))
O << '#';
O << MO.getImm();
break;
return;
case MachineOperand::MO_MachineBasicBlock:
printBasicBlockLabel(MO.getMBB());
break;
return;
case MachineOperand::MO_GlobalAddress: {
bool isMemOp = Modifier && !strcmp(Modifier, "mem");
bool isCallOp = Modifier && !strcmp(Modifier, "call");
std::string Name = Mang->getValueName(MO.getGlobal());
assert(MO.getOffset() == 0 && "No offsets allowed!");
if (isCallOp)
O << '#';
else if (isMemOp)
O << '&';
O << Name;
return;
}
default:
assert(0 && "Not implemented yet!");
}

16
lib/Target/MSP430/MSP430InstrInfo.td
View File

@ -106,10 +106,12 @@ let isCall = 1 in
// registers are added manually.
let Defs = [R12W, R13W, R14W, R15W, SRW],
Uses = [SPW] in {
def CALL32r : Pseudo<(outs), (ins GR16:$dst, variable_ops),
"call\t{*}$dst", [(MSP430call GR16:$dst)]>;
def CALL32m : Pseudo<(outs), (ins memsrc:$dst, variable_ops),
"call\t{*}$dst", [(MSP430call (load addr:$dst))]>;
def CALLi : Pseudo<(outs), (ins i16imm:$dst, variable_ops),
"call\t${dst:call}", [(MSP430call imm:$dst)]>;
def CALLr : Pseudo<(outs), (ins GR16:$dst, variable_ops),
"call\t$dst", [(MSP430call GR16:$dst)]>;
def CALLm : Pseudo<(outs), (ins memsrc:$dst, variable_ops),
"call\t${dst:mem}", [(MSP430call (load addr:$dst))]>;
}
@ -608,3 +610,9 @@ def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
// truncs
def : Pat<(i8 (trunc GR16:$src)),
(EXTRACT_SUBREG GR16:$src, subreg_8bit)>;
// calls
def : Pat<(MSP430call (i16 tglobaladdr:$dst)),
(CALLi tglobaladdr:$dst)>;
def : Pat<(MSP430call (i16 texternalsym:$dst)),
(CALLi texternalsym:$dst)>;