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//===--- Hexagon.cpp - Implement Hexagon target feature support -----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements Hexagon TargetInfo objects.
//
//===----------------------------------------------------------------------===//
#include "Hexagon.h"
#include "Targets.h"
#include "clang/Basic/MacroBuilder.h"
#include "clang/Basic/TargetBuiltins.h"
#include "llvm/ADT/StringSwitch.h"
using namespace clang;
using namespace clang::targets;
void HexagonTargetInfo::getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const {
Builder.defineMacro("__qdsp6__", "1");
Builder.defineMacro("__hexagon__", "1");
if (CPU == "hexagonv5") {
Builder.defineMacro("__HEXAGON_V5__");
Builder.defineMacro("__HEXAGON_ARCH__", "5");
if (Opts.HexagonQdsp6Compat) {
Builder.defineMacro("__QDSP6_V5__");
Builder.defineMacro("__QDSP6_ARCH__", "5");
}
} else if (CPU == "hexagonv55") {
Builder.defineMacro("__HEXAGON_V55__");
Builder.defineMacro("__HEXAGON_ARCH__", "55");
Builder.defineMacro("__QDSP6_V55__");
Builder.defineMacro("__QDSP6_ARCH__", "55");
} else if (CPU == "hexagonv60") {
Builder.defineMacro("__HEXAGON_V60__");
Builder.defineMacro("__HEXAGON_ARCH__", "60");
Builder.defineMacro("__QDSP6_V60__");
Builder.defineMacro("__QDSP6_ARCH__", "60");
} else if (CPU == "hexagonv62") {
Builder.defineMacro("__HEXAGON_V62__");
Builder.defineMacro("__HEXAGON_ARCH__", "62");
} else if (CPU == "hexagonv65") {
Builder.defineMacro("__HEXAGON_V65__");
Builder.defineMacro("__HEXAGON_ARCH__", "65");
} else if (CPU == "hexagonv66") {
Builder.defineMacro("__HEXAGON_V66__");
Builder.defineMacro("__HEXAGON_ARCH__", "66");
}
if (hasFeature("hvx-length64b")) {
Builder.defineMacro("__HVX__");
Builder.defineMacro("__HVX_ARCH__", HVXVersion);
Builder.defineMacro("__HVX_LENGTH__", "64");
}
if (hasFeature("hvx-length128b")) {
Builder.defineMacro("__HVX__");
Builder.defineMacro("__HVX_ARCH__", HVXVersion);
Builder.defineMacro("__HVX_LENGTH__", "128");
// FIXME: This macro is deprecated.
Builder.defineMacro("__HVXDBL__");
}
}
bool HexagonTargetInfo::initFeatureMap(
llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags, StringRef CPU,
const std::vector<std::string> &FeaturesVec) const {
Features["long-calls"] = false;
return TargetInfo::initFeatureMap(Features, Diags, CPU, FeaturesVec);
}
bool HexagonTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) {
for (auto &F : Features) {
if (F == "+hvx-length64b")
HasHVX = HasHVX64B = true;
else if (F == "+hvx-length128b")
HasHVX = HasHVX128B = true;
else if (F.find("+hvxv") != std::string::npos) {
HasHVX = true;
HVXVersion = F.substr(std::string("+hvxv").length());
} else if (F == "-hvx")
HasHVX = HasHVX64B = HasHVX128B = false;
else if (F == "+long-calls")
UseLongCalls = true;
else if (F == "-long-calls")
UseLongCalls = false;
}
return true;
}
const char *const HexagonTargetInfo::GCCRegNames[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8",
"r9", "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17",
"r18", "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26",
"r27", "r28", "r29", "r30", "r31", "p0", "p1", "p2", "p3",
"sa0", "lc0", "sa1", "lc1", "m0", "m1", "usr", "ugp"
};
ArrayRef<const char *> HexagonTargetInfo::getGCCRegNames() const {
return llvm::makeArrayRef(GCCRegNames);
}
const TargetInfo::GCCRegAlias HexagonTargetInfo::GCCRegAliases[] = {
{{"sp"}, "r29"},
{{"fp"}, "r30"},
{{"lr"}, "r31"},
};
ArrayRef<TargetInfo::GCCRegAlias> HexagonTargetInfo::getGCCRegAliases() const {
return llvm::makeArrayRef(GCCRegAliases);
}
const Builtin::Info HexagonTargetInfo::BuiltinInfo[] = {
#define BUILTIN(ID, TYPE, ATTRS) \
{#ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr},
#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) \
{#ID, TYPE, ATTRS, HEADER, ALL_LANGUAGES, nullptr},
#include "clang/Basic/BuiltinsHexagon.def"
};
bool HexagonTargetInfo::hasFeature(StringRef Feature) const {
std::string VS = "hvxv" + HVXVersion;
if (Feature == VS)
return true;
return llvm::StringSwitch<bool>(Feature)
.Case("hexagon", true)
.Case("hvx", HasHVX)
.Case("hvx-length64b", HasHVX64B)
.Case("hvx-length128b", HasHVX128B)
.Case("long-calls", UseLongCalls)
.Default(false);
}
struct CPUSuffix {
llvm::StringLiteral Name;
llvm::StringLiteral Suffix;
};
static constexpr CPUSuffix Suffixes[] = {
{{"hexagonv5"}, {"5"}}, {{"hexagonv55"}, {"55"}},
{{"hexagonv60"}, {"60"}}, {{"hexagonv62"}, {"62"}},
{{"hexagonv65"}, {"65"}}, {{"hexagonv66"}, {"66"}},
};
const char *HexagonTargetInfo::getHexagonCPUSuffix(StringRef Name) {
const CPUSuffix *Item = llvm::find_if(
Suffixes, [Name](const CPUSuffix &S) { return S.Name == Name; });
if (Item == std::end(Suffixes))
return nullptr;
return Item->Suffix.data();
}
void HexagonTargetInfo::fillValidCPUList(
SmallVectorImpl<StringRef> &Values) const {
for (const CPUSuffix &Suffix : Suffixes)
Values.push_back(Suffix.Name);
}
ArrayRef<Builtin::Info> HexagonTargetInfo::getTargetBuiltins() const {
return llvm::makeArrayRef(BuiltinInfo, clang::Hexagon::LastTSBuiltin -
Builtin::FirstTSBuiltin);
}
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