summaryrefslogtreecommitdiffstats
path: root/llvm/lib
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib')
-rw-r--r--llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp59
-rw-r--r--llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp17
-rw-r--r--llvm/lib/Target/Mips/MipsTargetStreamer.h6
3 files changed, 82 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index 4a1d585bbbc..23b7a34572b 100644
--- a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -343,6 +343,8 @@ class MipsAsmParser : public MCTargetAsmParser {
bool parseSetPushDirective();
bool parseSetSoftFloatDirective();
bool parseSetHardFloatDirective();
+ bool parseSetMtDirective();
+ bool parseSetNoMtDirective();
bool parseSetAssignment();
@@ -6333,6 +6335,39 @@ bool MipsAsmParser::parseSetNoOddSPRegDirective() {
return false;
}
+bool MipsAsmParser::parseSetMtDirective() {
+ MCAsmParser &Parser = getParser();
+ Parser.Lex(); // Eat "mt".
+
+ // If this is not the end of the statement, report an error.
+ if (getLexer().isNot(AsmToken::EndOfStatement)) {
+ reportParseError("unexpected token, expected end of statement");
+ return false;
+ }
+
+ setFeatureBits(Mips::FeatureMT, "mt");
+ getTargetStreamer().emitDirectiveSetMt();
+ Parser.Lex(); // Consume the EndOfStatement.
+ return false;
+}
+
+bool MipsAsmParser::parseSetNoMtDirective() {
+ MCAsmParser &Parser = getParser();
+ Parser.Lex(); // Eat "nomt".
+
+ // If this is not the end of the statement, report an error.
+ if (getLexer().isNot(AsmToken::EndOfStatement)) {
+ reportParseError("unexpected token, expected end of statement");
+ return false;
+ }
+
+ clearFeatureBits(Mips::FeatureMT, "mt");
+
+ getTargetStreamer().emitDirectiveSetNoMt();
+ Parser.Lex(); // Consume the EndOfStatement.
+ return false;
+}
+
bool MipsAsmParser::parseSetPopDirective() {
MCAsmParser &Parser = getParser();
SMLoc Loc = getLexer().getLoc();
@@ -6833,6 +6868,10 @@ bool MipsAsmParser::parseDirectiveSet() {
return parseSetMsaDirective();
} else if (Tok.getString() == "nomsa") {
return parseSetNoMsaDirective();
+ } else if (Tok.getString() == "mt") {
+ return parseSetMtDirective();
+ } else if (Tok.getString() == "nomt") {
+ return parseSetNoMtDirective();
} else if (Tok.getString() == "softfloat") {
return parseSetSoftFloatDirective();
} else if (Tok.getString() == "hardfloat") {
@@ -7082,6 +7121,7 @@ bool MipsAsmParser::parseSSectionDirective(StringRef Section, unsigned Type) {
/// ::= .module fp=value
/// ::= .module softfloat
/// ::= .module hardfloat
+/// ::= .module mt
bool MipsAsmParser::parseDirectiveModule() {
MCAsmParser &Parser = getParser();
MCAsmLexer &Lexer = getLexer();
@@ -7181,6 +7221,25 @@ bool MipsAsmParser::parseDirectiveModule() {
}
return false; // parseDirectiveModule has finished successfully.
+ } else if (Option == "mt") {
+ setModuleFeatureBits(Mips::FeatureMT, "mt");
+
+ // Synchronize the ABI Flags information with the FeatureBits information we
+ // updated above.
+ getTargetStreamer().updateABIInfo(*this);
+
+ // If priniing assembly, use the recently updated ABI Flags information.
+ // If generating ELF, don't do anything (the .MIPS.abiflags section gets
+ // emitted later).
+ getTargetStreamer().emitDirectiveModuleMT();
+
+ // If this is not the end of the statement, report an error.
+ if (getLexer().isNot(AsmToken::EndOfStatement)) {
+ reportParseError("unexpected token, expected end of statement");
+ return false;
+ }
+
+ return false; // parseDirectiveModule has finished successfully.
} else {
return Error(L, "'" + Twine(Option) + "' is not a valid .module option.");
}
diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
index 0cd4aebe4d1..2907b771585 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
@@ -50,6 +50,8 @@ void MipsTargetStreamer::emitDirectiveSetMacro() { forbidModuleDirective(); }
void MipsTargetStreamer::emitDirectiveSetNoMacro() { forbidModuleDirective(); }
void MipsTargetStreamer::emitDirectiveSetMsa() { forbidModuleDirective(); }
void MipsTargetStreamer::emitDirectiveSetNoMsa() { forbidModuleDirective(); }
+void MipsTargetStreamer::emitDirectiveSetMt() {}
+void MipsTargetStreamer::emitDirectiveSetNoMt() { forbidModuleDirective(); }
void MipsTargetStreamer::emitDirectiveSetAt() { forbidModuleDirective(); }
void MipsTargetStreamer::emitDirectiveSetAtWithArg(unsigned RegNo) {
forbidModuleDirective();
@@ -118,6 +120,7 @@ void MipsTargetStreamer::emitDirectiveModuleOddSPReg() {
}
void MipsTargetStreamer::emitDirectiveModuleSoftFloat() {}
void MipsTargetStreamer::emitDirectiveModuleHardFloat() {}
+void MipsTargetStreamer::emitDirectiveModuleMT() {}
void MipsTargetStreamer::emitDirectiveSetFp(
MipsABIFlagsSection::FpABIKind Value) {
forbidModuleDirective();
@@ -392,6 +395,16 @@ void MipsTargetAsmStreamer::emitDirectiveSetNoMsa() {
MipsTargetStreamer::emitDirectiveSetNoMsa();
}
+void MipsTargetAsmStreamer::emitDirectiveSetMt() {
+ OS << "\t.set\tmt\n";
+ MipsTargetStreamer::emitDirectiveSetMt();
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetNoMt() {
+ OS << "\t.set\tnomt\n";
+ MipsTargetStreamer::emitDirectiveSetNoMt();
+}
+
void MipsTargetAsmStreamer::emitDirectiveSetAt() {
OS << "\t.set\tat\n";
MipsTargetStreamer::emitDirectiveSetAt();
@@ -656,6 +669,10 @@ void MipsTargetAsmStreamer::emitDirectiveModuleHardFloat() {
OS << "\t.module\thardfloat\n";
}
+void MipsTargetAsmStreamer::emitDirectiveModuleMT() {
+ OS << "\t.module\tmt\n";
+}
+
// This part is for ELF object output.
MipsTargetELFStreamer::MipsTargetELFStreamer(MCStreamer &S,
const MCSubtargetInfo &STI)
diff --git a/llvm/lib/Target/Mips/MipsTargetStreamer.h b/llvm/lib/Target/Mips/MipsTargetStreamer.h
index 41ebe411b98..7d9f99ce071 100644
--- a/llvm/lib/Target/Mips/MipsTargetStreamer.h
+++ b/llvm/lib/Target/Mips/MipsTargetStreamer.h
@@ -40,6 +40,8 @@ public:
virtual void emitDirectiveSetNoMacro();
virtual void emitDirectiveSetMsa();
virtual void emitDirectiveSetNoMsa();
+ virtual void emitDirectiveSetMt();
+ virtual void emitDirectiveSetNoMt();
virtual void emitDirectiveSetAt();
virtual void emitDirectiveSetAtWithArg(unsigned RegNo);
virtual void emitDirectiveSetNoAt();
@@ -96,6 +98,7 @@ public:
virtual void emitDirectiveModuleOddSPReg();
virtual void emitDirectiveModuleSoftFloat();
virtual void emitDirectiveModuleHardFloat();
+ virtual void emitDirectiveModuleMT();
virtual void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value);
virtual void emitDirectiveSetOddSPReg();
virtual void emitDirectiveSetNoOddSPReg();
@@ -204,6 +207,8 @@ public:
void emitDirectiveSetNoMacro() override;
void emitDirectiveSetMsa() override;
void emitDirectiveSetNoMsa() override;
+ void emitDirectiveSetMt() override;
+ void emitDirectiveSetNoMt() override;
void emitDirectiveSetAt() override;
void emitDirectiveSetAtWithArg(unsigned RegNo) override;
void emitDirectiveSetNoAt() override;
@@ -267,6 +272,7 @@ public:
void emitDirectiveModuleOddSPReg() override;
void emitDirectiveModuleSoftFloat() override;
void emitDirectiveModuleHardFloat() override;
+ void emitDirectiveModuleMT() override;
void emitDirectiveSetFp(MipsABIFlagsSection::FpABIKind Value) override;
void emitDirectiveSetOddSPReg() override;
void emitDirectiveSetNoOddSPReg() override;
OpenPOWER on IntegriCloud