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Add instruction formats for SystemZ

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Rot127 2024-08-30 05:24:46 -05:00 committed by Rot127
parent ac6fd33f56
commit 1cc0208738
1 changed files with 40 additions and 5 deletions
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45
llvm/utils/TableGen/PrinterCapstone.cpp
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@ -2694,12 +2694,45 @@ std::string getArchSupplInfoPPC(StringRef const &TargetName,
if (SC->getName() == "I") {
if (!PrevSC)
llvm_unreachable("I class has no predecessor.");
std::string Format = "LOONGARCH_INSN_FORM_" + PrevSC->getName().upper();
std::string Format = "PPC_INSN_FORM_" + PrevSC->getName().upper();
if (Formats.find(Format) == Formats.end()) {
PPCFormatEnum << Format + ",\n";
}
Formats.emplace(Format);
return "{{ " + Format + " }}";
return "{ .ppc = { " + Format + " }}";
}
PrevSC = SC;
}
// Pseudo instructions
return "{{ 0 }}";
}
std::string getArchSupplInfoSystemZ(StringRef const &TargetName,
CodeGenInstruction const *CGI,
raw_string_ostream &PPCFormatEnum) {
static std::set<std::string> Formats;
// Get instruction format
ArrayRef<std::pair<Record *, SMRange>> SCs = CGI->TheDef->getSuperClasses();
if (SCs.empty()) {
llvm_unreachable("A CGI without superclass should not exist.");
}
// Get base instruction format class "I"
const Record *PrevSC = nullptr;
// Superclasses are in post-order. So we go through them backwards.
// The class before the "I" class is the format class.
for (int I = SCs.size() - 1; I >= 0; --I) {
const Record *SC = SCs[I].first;
if (SC->getName() == "InstSystemZ") {
if (!PrevSC)
llvm_unreachable("InstSystemZ class has no predecessor.");
std::string Format = "SYSTEMZ_INSN_FORM_" + PrevSC->getName().upper();
if (Formats.find(Format) == Formats.end()) {
PPCFormatEnum << Format + ",\n";
}
Formats.emplace(Format);
return "{ .systemz = { " + Format + " }}";
}
PrevSC = SC;
}
@ -2754,12 +2787,14 @@ std::string getArchSupplInfoLoongArch(StringRef const &TargetName,
std::string getArchSupplInfo(StringRef const &TargetName,
CodeGenInstruction const *CGI,
raw_string_ostream &FormatEnum) {
if (TargetName == "PPC")
if (TargetName == "PPC") {
return getArchSupplInfoPPC(TargetName, CGI, FormatEnum);
else if (StringRef(TargetName).upper() == "AARCH64") {
} else if (StringRef(TargetName).upper() == "AARCH64") {
return getArchSupplInfoAArch64(CGI);
} else if (StringRef(TargetName).upper() == "LOONGARCH") {
return getArchSupplInfoLoongArch(TargetName, CGI, FormatEnum);
} else if (StringRef(TargetName).upper() == "SYSTEMZ") {
return getArchSupplInfoSystemZ(TargetName, CGI, FormatEnum);
}
return "{{ 0 }}";
}
@ -3527,7 +3562,7 @@ void PrinterCapstone::asmMatcherEmitMatchTable(CodeGenTarget const &Target,
writeFile(InsnMapFilename, AliasEnumStr);
InsnMapFilename = TName + "GenCSAliasMnemMap.inc";
writeFile(InsnMapFilename, AliasMnemMapStr);
if (TName == "PPC" || TName == "LoongArch") {
if (TName == "PPC" || TName == "LoongArch" || TName == "SystemZ") {
InsnMapFilename = TName + "GenCSInsnFormatsEnum.inc";
writeFile(InsnMapFilename, FormatEnumStr);
}