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Diffstat (limited to 'lib/Target/X86/AsmParser/X86AsmParser.cpp')
-rw-r--r--lib/Target/X86/AsmParser/X86AsmParser.cpp92
1 files changed, 46 insertions, 46 deletions
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 4b0807e513..7dbd2217d1 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -36,7 +36,7 @@ class X86ATTAsmParser : public TargetAsmParser {
protected:
unsigned Is64Bit : 1;
-
+
private:
MCAsmParser &getParser() const { return Parser; }
@@ -57,16 +57,16 @@ private:
/// @name Auto-generated Matcher Functions
/// {
-
+
#define GET_ASSEMBLER_HEADER
#include "X86GenAsmMatcher.inc"
-
+
/// }
public:
X86ATTAsmParser(const Target &T, MCAsmParser &_Parser, TargetMachine &TM)
: TargetAsmParser(T), Parser(_Parser), TM(TM) {
-
+
// Initialize the set of available features.
setAvailableFeatures(ComputeAvailableFeatures(
&TM.getSubtarget<X86Subtarget>()));
@@ -377,7 +377,7 @@ bool X86ATTAsmParser::ParseRegister(unsigned &RegNo,
// If the match failed, try the register name as lowercase.
if (RegNo == 0)
RegNo = MatchRegisterName(LowercaseString(Tok.getString()));
-
+
// FIXME: This should be done using Requires<In32BitMode> and
// Requires<In64BitMode> so "eiz" usage in 64-bit instructions
// can be also checked.
@@ -779,19 +779,19 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
PatchedName = "vpclmulqdq";
}
}
-
+
Operands.push_back(X86Operand::CreateToken(PatchedName, NameLoc));
if (ExtraImmOp)
Operands.push_back(X86Operand::CreateImm(ExtraImmOp, NameLoc, NameLoc));
-
-
+
+
// Determine whether this is an instruction prefix.
bool isPrefix =
- PatchedName == "lock" || PatchedName == "rep" ||
+ PatchedName == "lock" || PatchedName == "rep" ||
PatchedName == "repne";
-
-
+
+
// This does the actual operand parsing. Don't parse any more if we have a
// prefix juxtaposed with an operation like "lock incl 4(%rax)", because we
// just want to parse the "lock" as the first instruction and the "incl" as
@@ -824,13 +824,13 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
return true;
}
}
-
+
if (getLexer().isNot(AsmToken::EndOfStatement)) {
Parser.EatToEndOfStatement();
return TokError("unexpected token in argument list");
}
}
-
+
if (getLexer().is(AsmToken::EndOfStatement))
Parser.Lex(); // Consume the EndOfStatement
@@ -842,7 +842,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
delete Operands[0];
Operands[0] = X86Operand::CreateToken("movabsq", NameLoc);
}
-
+
// FIXME: Hack to handle recognize s{hr,ar,hl} $1, <op>. Canonicalize to
// "shift <op>".
if ((Name.startswith("shr") || Name.startswith("sar") ||
@@ -855,7 +855,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
Operands.erase(Operands.begin() + 1);
}
}
-
+
// FIXME: Hack to handle recognize "rc[lr] <op>" -> "rcl $1, <op>".
if ((Name.startswith("rcl") || Name.startswith("rcr")) &&
Operands.size() == 2) {
@@ -863,7 +863,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
Operands.push_back(X86Operand::CreateImm(One, NameLoc, NameLoc));
std::swap(Operands[1], Operands[2]);
}
-
+
// FIXME: Hack to handle recognize "sh[lr]d op,op" -> "shld $1, op,op".
if ((Name.startswith("shld") || Name.startswith("shrd")) &&
Operands.size() == 3) {
@@ -871,7 +871,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
Operands.insert(Operands.begin()+1,
X86Operand::CreateImm(One, NameLoc, NameLoc));
}
-
+
// FIXME: Hack to handle recognize "in[bwl] <op>". Canonicalize it to
// "inb <op>, %al".
@@ -887,7 +887,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
SMLoc Loc = Operands.back()->getEndLoc();
Operands.push_back(X86Operand::CreateReg(Reg, Loc, Loc));
}
-
+
// FIXME: Hack to handle recognize "out[bwl] <op>". Canonicalize it to
// "outb %al, <op>".
if ((Name == "outb" || Name == "outw" || Name == "outl") &&
@@ -903,7 +903,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
Operands.push_back(X86Operand::CreateReg(Reg, Loc, Loc));
std::swap(Operands[1], Operands[2]);
}
-
+
// FIXME: Hack to handle "out[bwl]? %al, (%dx)" -> "outb %al, %dx".
if ((Name == "outb" || Name == "outw" || Name == "outl" || Name == "out") &&
Operands.size() == 3) {
@@ -917,7 +917,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
delete &Op;
}
}
-
+
// FIXME: Hack to handle "f{mul*,add*,sub*,div*} $op, st(0)" the same as
// "f{mul*,add*,sub*,div*} $op"
if ((Name.startswith("fmul") || Name.startswith("fadd") ||
@@ -928,7 +928,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
delete Operands[2];
Operands.erase(Operands.begin() + 2);
}
-
+
// FIXME: Hack to handle "f{mulp,addp} st(0), $op" the same as
// "f{mulp,addp} $op", since they commute. We also allow fdivrp/fsubrp even
// though they don't commute, solely because gas does support this.
@@ -939,7 +939,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
delete Operands[1];
Operands.erase(Operands.begin() + 1);
}
-
+
// FIXME: Hack to handle "imul <imm>, B" which is an alias for "imul <imm>, B,
// B".
if (Name.startswith("imul") && Operands.size() == 3 &&
@@ -949,7 +949,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
Operands.push_back(X86Operand::CreateReg(Op->getReg(), Op->getStartLoc(),
Op->getEndLoc()));
}
-
+
// 'sldt <mem>' can be encoded with either sldtw or sldtq with the same
// effect (both store to a 16-bit mem). Force to sldtw to avoid ambiguity
// errors, since its encoding is the most compact.
@@ -958,7 +958,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
delete Operands[0];
Operands[0] = X86Operand::CreateToken("sldtw", NameLoc);
}
-
+
// The assembler accepts "xchgX <reg>, <mem>" and "xchgX <mem>, <reg>" as
// synonyms. Our tables only have the "<reg>, <mem>" form, so if we see the
// other operand order, swap them.
@@ -980,17 +980,17 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
static_cast<X86Operand*>(Operands[2])->isMem()) {
std::swap(Operands[1], Operands[2]);
}
-
+
// The assembler accepts these instructions with no operand as a synonym for
// an instruction acting on st(1). e.g. "fxch" -> "fxch %st(1)".
if ((Name == "fxch" || Name == "fucom" || Name == "fucomp" ||
- Name == "faddp" || Name == "fsubp" || Name == "fsubrp" ||
+ Name == "faddp" || Name == "fsubp" || Name == "fsubrp" ||
Name == "fmulp" || Name == "fdivp" || Name == "fdivrp") &&
Operands.size() == 1) {
Operands.push_back(X86Operand::CreateReg(MatchRegisterName("st(1)"),
NameLoc, NameLoc));
}
-
+
// The assembler accepts these instructions with two few operands as a synonym
// for taking %st(1),%st(0) or X, %st(0).
if ((Name == "fcomi" || Name == "fucomi") && Operands.size() < 3) {
@@ -1000,7 +1000,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
Operands.push_back(X86Operand::CreateReg(MatchRegisterName("st(0)"),
NameLoc, NameLoc));
}
-
+
// The assembler accepts various amounts of brokenness for fnstsw.
if (Name == "fnstsw") {
if (Operands.size() == 2 &&
@@ -1019,7 +1019,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
Operands.push_back(X86Operand::CreateReg(MatchRegisterName("ax"),
NameLoc, NameLoc));
}
-
+
// jmp $42,$5 -> ljmp, similarly for call.
if ((Name.startswith("call") || Name.startswith("jmp")) &&
Operands.size() == 3 &&
@@ -1041,14 +1041,14 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
Name = NewOpName;
}
}
-
+
// lcall and ljmp -> lcalll and ljmpl
if ((Name == "lcall" || Name == "ljmp") && Operands.size() == 3) {
delete Operands[0];
Operands[0] = X86Operand::CreateToken(Name == "lcall" ? "lcalll" : "ljmpl",
NameLoc);
}
-
+
// call foo is not ambiguous with callw.
if (Name == "call" && Operands.size() == 2) {
const char *NewName = Is64Bit ? "callq" : "calll";
@@ -1056,13 +1056,13 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
Operands[0] = X86Operand::CreateToken(NewName, NameLoc);
Name = NewName;
}
-
+
// movsd -> movsl (when no operands are specified).
if (Name == "movsd" && Operands.size() == 1) {
delete Operands[0];
Operands[0] = X86Operand::CreateToken("movsl", NameLoc);
}
-
+
// fstp <mem> -> fstps <mem>. Without this, we'll default to fstpl due to
// suffix searching.
if (Name == "fstp" && Operands.size() == 2 &&
@@ -1070,8 +1070,8 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
delete Operands[0];
Operands[0] = X86Operand::CreateToken("fstps", NameLoc);
}
-
-
+
+
// "clr <reg>" -> "xor <reg>, <reg>".
if ((Name == "clrb" || Name == "clrw" || Name == "clrl" || Name == "clrq" ||
Name == "clr") && Operands.size() == 2 &&
@@ -1081,7 +1081,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
delete Operands[0];
Operands[0] = X86Operand::CreateToken("xor", NameLoc);
}
-
+
return false;
}
@@ -1147,11 +1147,11 @@ MatchAndEmitInstruction(SMLoc IDLoc,
delete Operands[0];
Operands[0] = X86Operand::CreateToken(Repl, IDLoc);
}
-
+
bool WasOriginallyInvalidOperand = false;
unsigned OrigErrorInfo;
MCInst Inst;
-
+
// First, try a direct match.
switch (MatchInstructionImpl(Operands, Inst, OrigErrorInfo)) {
case Match_Success:
@@ -1171,7 +1171,7 @@ MatchAndEmitInstruction(SMLoc IDLoc,
// valid prefixes, and we could just infer the right unambiguous
// type. However, that requires substantially more matcher support than the
// following hack.
-
+
// Change the operand to point to a temporary token.
StringRef Base = Op->getToken();
SmallString<16> Tmp;
@@ -1234,15 +1234,15 @@ MatchAndEmitInstruction(SMLoc IDLoc,
Error(IDLoc, OS.str());
return true;
}
-
+
// Okay, we know that none of the variants matched successfully.
-
+
// If all of the instructions reported an invalid mnemonic, then the original
// mnemonic was invalid.
if ((MatchB == Match_MnemonicFail) && (MatchW == Match_MnemonicFail) &&
(MatchL == Match_MnemonicFail) && (MatchQ == Match_MnemonicFail)) {
if (!WasOriginallyInvalidOperand) {
- Error(IDLoc, "invalid instruction mnemonic '" + Base + "'");
+ Error(IDLoc, "invalid instruction mnemonic '" + Base + "'");
return true;
}
@@ -1251,14 +1251,14 @@ MatchAndEmitInstruction(SMLoc IDLoc,
if (OrigErrorInfo != ~0U) {
if (OrigErrorInfo >= Operands.size())
return Error(IDLoc, "too few operands for instruction");
-
+
ErrorLoc = ((X86Operand*)Operands[OrigErrorInfo])->getStartLoc();
if (ErrorLoc == SMLoc()) ErrorLoc = IDLoc;
}
return Error(ErrorLoc, "invalid operand for instruction");
}
-
+
// If one instruction matched with a missing feature, report this as a
// missing feature.
if ((MatchB == Match_MissingFeature) + (MatchW == Match_MissingFeature) +
@@ -1266,7 +1266,7 @@ MatchAndEmitInstruction(SMLoc IDLoc,
Error(IDLoc, "instruction requires a CPU feature not currently enabled");
return true;
}
-
+
// If one instruction matched with an invalid operand, report this as an
// operand failure.
if ((MatchB == Match_InvalidOperand) + (MatchW == Match_InvalidOperand) +
@@ -1274,7 +1274,7 @@ MatchAndEmitInstruction(SMLoc IDLoc,
Error(IDLoc, "invalid operand for instruction");
return true;
}
-
+
// If all of these were an outright failure, report it in a useless way.
// FIXME: We should give nicer diagnostics about the exact failure.
Error(IDLoc, "unknown use of instruction mnemonic without a size suffix");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-10-01 11:01:34 +0000