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Implemented x86 inline asm b, h, w, k modifiers.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28020 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-04-28 23:11:40 +00:00
parent 94046b4d10
commit 62f2700bcf
4 changed files with 249 additions and 1 deletions
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123
lib/Target/X86/X86ATTAsmPrinter.cpp
View File

@ -264,6 +264,124 @@ void X86ATTAsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op) {
O << "\"L" << getFunctionNumber() << "$pb\":";
}
bool X86ATTAsmPrinter::printAsmMRegsiter(const MachineOperand &MO,
const char Mode) {
const MRegisterInfo &RI = *TM.getRegisterInfo();
unsigned Reg = MO.getReg();
const char *Name = RI.get(Reg).Name;
switch (Mode) {
default: return true; // Unknown mode.
case 'b': // Print QImode register
switch (Reg) {
default: return true;
case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
Name = "al";
break;
case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
Name = "dl";
break;
case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
Name = "cl";
break;
case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
Name = "bl";
break;
case X86::ESI:
Name = "sil";
break;
case X86::EDI:
Name = "dil";
break;
case X86::EBP:
Name = "bpl";
break;
case X86::ESP:
Name = "spl";
break;
}
break;
case 'h': // Print QImode high register
switch (Reg) {
default: return true;
case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
Name = "al";
break;
case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
Name = "dl";
break;
case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
Name = "cl";
break;
case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
Name = "bl";
break;
}
break;
case 'w': // Print HImode register
switch (Reg) {
default: return true;
case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
Name = "ax";
break;
case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
Name = "dx";
break;
case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
Name = "cx";
break;
case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
Name = "bx";
break;
case X86::ESI:
Name = "si";
break;
case X86::EDI:
Name = "di";
break;
case X86::EBP:
Name = "bp";
break;
case X86::ESP:
Name = "sp";
break;
}
break;
case 'k': // Print SImode register
switch (Reg) {
default: return true;
case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
Name = "eax";
break;
case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
Name = "edx";
break;
case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
Name = "ecx";
break;
case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
Name = "ebx";
break;
case X86::ESI:
Name = "esi";
break;
case X86::EDI:
Name = "edi";
break;
case X86::EBP:
Name = "ebp";
break;
case X86::ESP:
Name = "esp";
break;
}
break;
}
O << '%' << Name;
return false;
}
/// PrintAsmOperand - Print out an operand for an inline asm expression.
///
bool X86ATTAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
@ -275,6 +393,11 @@ bool X86ATTAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
switch (ExtraCode[0]) {
default: return true; // Unknown modifier.
case 'b': // Print QImode register
case 'h': // Print QImode high register
case 'w': // Print HImode register
case 'k': // Print SImode register
return printAsmMRegsiter(MI->getOperand(OpNo), ExtraCode[0]);
}
}

4
lib/Target/X86/X86ATTAsmPrinter.h
View File

@ -61,11 +61,13 @@ struct X86ATTAsmPrinter : public X86SharedAsmPrinter {
printMemReference(MI, OpNo);
}
bool printAsmMRegsiter(const MachineOperand &MO, const char Mode);
bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode);
bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode);
void printMachineInstruction(const MachineInstr *MI);
void printMachineInstruction(const MachineInstr *MI);
void printSSECC(const MachineInstr *MI, unsigned Op);
void printMemReference(const MachineInstr *MI, unsigned Op);
void printPICLabel(const MachineInstr *MI, unsigned Op);

122
lib/Target/X86/X86IntelAsmPrinter.cpp
View File

@ -242,6 +242,123 @@ void X86IntelAsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op) {
O << "\"L" << getFunctionNumber() << "$pb\":";
}
bool X86IntelAsmPrinter::printAsmMRegsiter(const MachineOperand &MO,
const char Mode) {
const MRegisterInfo &RI = *TM.getRegisterInfo();
unsigned Reg = MO.getReg();
const char *Name = RI.get(Reg).Name;
switch (Mode) {
default: return true; // Unknown mode.
case 'b': // Print QImode register
switch (Reg) {
default: return true;
case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
Name = "AL";
break;
case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
Name = "DL";
break;
case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
Name = "CL";
break;
case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
Name = "BL";
break;
case X86::ESI:
Name = "SIL";
break;
case X86::EDI:
Name = "DIL";
break;
case X86::EBP:
Name = "BPL";
break;
case X86::ESP:
Name = "SPL";
break;
}
break;
case 'h': // Print QImode high register
switch (Reg) {
default: return true;
case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
Name = "AL";
break;
case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
Name = "DL";
break;
case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
Name = "CL";
break;
case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
Name = "BL";
break;
}
break;
case 'w': // Print HImode register
switch (Reg) {
default: return true;
case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
Name = "AX";
break;
case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
Name = "DX";
break;
case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
Name = "CX";
break;
case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
Name = "BX";
break;
case X86::ESI:
Name = "SI";
break;
case X86::EDI:
Name = "DI";
break;
case X86::EBP:
Name = "BP";
break;
case X86::ESP:
Name = "SP";
break;
}
break;
case 'k': // Print SImode register
switch (Reg) {
default: return true;
case X86::AH: case X86::AL: case X86::AX: case X86::EAX:
Name = "EAX";
break;
case X86::DH: case X86::DL: case X86::DX: case X86::EDX:
Name = "EDX";
break;
case X86::CH: case X86::CL: case X86::CX: case X86::ECX:
Name = "ECX";
break;
case X86::BH: case X86::BL: case X86::BX: case X86::EBX:
Name = "EBX";
break;
case X86::ESI:
Name = "ESI";
break;
case X86::EDI:
Name = "EDI";
break;
case X86::EBP:
Name = "EBP";
break;
case X86::ESP:
Name = "ESP";
break;
}
break;
}
O << '%' << Name;
return false;
}
/// PrintAsmOperand - Print out an operand for an inline asm expression.
///
bool X86IntelAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
@ -253,6 +370,11 @@ bool X86IntelAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
switch (ExtraCode[0]) {
default: return true; // Unknown modifier.
case 'b': // Print QImode register
case 'h': // Print QImode high register
case 'w': // Print HImode register
case 'k': // Print SImode register
return printAsmMRegsiter(MI->getOperand(OpNo), ExtraCode[0]);
}
}

1
lib/Target/X86/X86IntelAsmPrinter.h
View File

@ -80,6 +80,7 @@ struct X86IntelAsmPrinter : public X86SharedAsmPrinter {
printMemReference(MI, OpNo);
}
bool printAsmMRegsiter(const MachineOperand &MO, const char Mode);
bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode);
bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,