return "O << '" + Str + "'; ";
return "O << \"" + Str + "\"; ";
}
-
+
if (OperandType == isLiteralStatementOperand)
return Str;
-
+
std::string Result = Str + "(MI";
if (MIOpNo != ~0U)
Result += ", " + utostr(MIOpNo);
+ if (PassSubtarget)
+ Result += ", STI";
Result += ", O";
if (!MiModifier.empty())
Result += ", \"" + MiModifier + '"';
/// ParseAsmString - Parse the specified Instruction's AsmString into this
/// AsmWriterInst.
///
-AsmWriterInst::AsmWriterInst(const CodeGenInstruction &CGI,
- unsigned Variant,
- int FirstOperandColumn,
- int OperandSpacing) {
+AsmWriterInst::AsmWriterInst(const CodeGenInstruction &CGI, unsigned Variant,
+ unsigned PassSubtarget) {
this->CGI = &CGI;
-
- // This is the number of tabs we've seen if we're doing columnar layout.
- unsigned CurColumn = 0;
-
-
- // NOTE: Any extensions to this code need to be mirrored in the
+
+ // NOTE: Any extensions to this code need to be mirrored in the
// AsmPrinter::printInlineAsm code that executes as compile time (assuming
// that inline asm strings should also get the new feature)!
std::string AsmString = CGI.FlattenAsmStringVariants(CGI.AsmString, Variant);
std::string::size_type DollarPos =
AsmString.find_first_of("$\\", LastEmitted);
if (DollarPos == std::string::npos) DollarPos = AsmString.size();
-
+
// Emit a constant string fragment.
if (DollarPos != LastEmitted) {
for (; LastEmitted != DollarPos; ++LastEmitted)
AddLiteralString("\\n");
break;
case '\t':
- // If the asm writer is not using a columnar layout, \t is not
- // magic.
- if (FirstOperandColumn == -1 || OperandSpacing == -1) {
- AddLiteralString("\\t");
- } else {
- // We recognize a tab as an operand delimeter.
- unsigned DestColumn = FirstOperandColumn +
- CurColumn++ * OperandSpacing;
- Operands.push_back(
- AsmWriterOperand(
- "O.PadToColumn(" +
- utostr(DestColumn) + ");\n",
- AsmWriterOperand::isLiteralStatementOperand));
- }
+ AddLiteralString("\\t");
break;
case '"':
AddLiteralString("\\\"");
if (AsmString[DollarPos+1] == 'n') {
AddLiteralString("\\n");
} else if (AsmString[DollarPos+1] == 't') {
- // If the asm writer is not using a columnar layout, \t is not
- // magic.
- if (FirstOperandColumn == -1 || OperandSpacing == -1) {
- AddLiteralString("\\t");
- break;
- }
-
- // We recognize a tab as an operand delimeter.
- unsigned DestColumn = FirstOperandColumn +
- CurColumn++ * OperandSpacing;
- Operands.push_back(
- AsmWriterOperand("O.PadToColumn(" + utostr(DestColumn) + ");\n",
- AsmWriterOperand::isLiteralStatementOperand));
- break;
- } else if (std::string("${|}\\").find(AsmString[DollarPos+1])
+ AddLiteralString("\\t");
+ } else if (std::string("${|}\\").find(AsmString[DollarPos+1])
!= std::string::npos) {
AddLiteralString(std::string(1, AsmString[DollarPos+1]));
} else {
} else {
// Get the name of the variable.
std::string::size_type VarEnd = DollarPos+1;
-
+
// handle ${foo}bar as $foo by detecting whether the character following
// the dollar sign is a curly brace. If so, advance VarEnd and DollarPos
// so the variable name does not contain the leading curly brace.
++DollarPos;
++VarEnd;
}
-
+
while (VarEnd < AsmString.size() && isIdentChar(AsmString[VarEnd]))
++VarEnd;
std::string VarName(AsmString.begin()+DollarPos+1,
AsmString.begin()+VarEnd);
-
+
// Modifier - Support ${foo:modifier} syntax, where "modifier" is passed
// into printOperand. Also support ${:feature}, which is passed into
// PrintSpecial.
std::string Modifier;
-
+
// In order to avoid starting the next string at the terminating curly
// brace, advance the end position past it if we found an opening curly
// brace.
if (VarEnd >= AsmString.size())
PrintFatalError("Reached end of string before terminating curly brace in '"
+ CGI.TheDef->getName() + "'");
-
+
// Look for a modifier string.
if (AsmString[VarEnd] == ':') {
++VarEnd;
if (VarEnd >= AsmString.size())
PrintFatalError("Reached end of string before terminating curly brace in '"
+ CGI.TheDef->getName() + "'");
-
+
unsigned ModifierStart = VarEnd;
while (VarEnd < AsmString.size() && isIdentChar(AsmString[VarEnd]))
++VarEnd;
if (Modifier.empty())
PrintFatalError("Bad operand modifier name in '"+ CGI.TheDef->getName() + "'");
}
-
+
if (AsmString[VarEnd] != '}')
PrintFatalError("Variable name beginning with '{' did not end with '}' in '"
+ CGI.TheDef->getName() + "'");
if (VarName.empty() && Modifier.empty())
PrintFatalError("Stray '$' in '" + CGI.TheDef->getName() +
"' asm string, maybe you want $$?");
-
+
if (VarName.empty()) {
// Just a modifier, pass this into PrintSpecial.
- Operands.push_back(AsmWriterOperand("PrintSpecial",
- ~0U,
- ~0U,
- Modifier));
+ Operands.emplace_back("PrintSpecial", ~0U, ~0U, Modifier,
+ PassSubtarget);
} else {
// Otherwise, normal operand.
unsigned OpNo = CGI.Operands.getOperandNamed(VarName);
CGIOperandList::OperandInfo OpInfo = CGI.Operands[OpNo];
-
+
unsigned MIOp = OpInfo.MIOperandNo;
- Operands.push_back(AsmWriterOperand(OpInfo.PrinterMethodName,
- OpNo, MIOp, Modifier));
+ Operands.emplace_back(OpInfo.PrinterMethodName, OpNo, MIOp, Modifier,
+ PassSubtarget);
}
LastEmitted = VarEnd;
}
}
-
- Operands.push_back(AsmWriterOperand("return;",
- AsmWriterOperand::isLiteralStatementOperand));
+
+ Operands.emplace_back("return;", AsmWriterOperand::isLiteralStatementOperand);
}
/// MatchesAllButOneOp - If this instruction is exactly identical to the
/// if the instructions are identical return ~0.
unsigned AsmWriterInst::MatchesAllButOneOp(const AsmWriterInst &Other)const{
if (Operands.size() != Other.Operands.size()) return ~1;
-
+
unsigned MismatchOperand = ~0U;
for (unsigned i = 0, e = Operands.size(); i != e; ++i) {
if (Operands[i] != Other.Operands[i]) {
if (MismatchOperand != ~0U) // Already have one mismatch?
return ~1U;
- else
- MismatchOperand = i;
+ MismatchOperand = i;
}
}
return MismatchOperand;
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