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-rw-r--r--lib/Basic/Targets/Nios2.h151
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diff --git a/lib/Basic/Targets/Nios2.h b/lib/Basic/Targets/Nios2.h
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--- a/lib/Basic/Targets/Nios2.h
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-//===--- Nios2.h - Declare Nios2 target feature support ---------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file declares Nios2 TargetInfo objects.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_NIOS2_H
-#define LLVM_CLANG_LIB_BASIC_TARGETS_NIOS2_H
-
-#include "clang/Basic/TargetInfo.h"
-#include "clang/Basic/TargetOptions.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/Support/Compiler.h"
-
-namespace clang {
-namespace targets {
-
-class LLVM_LIBRARY_VISIBILITY Nios2TargetInfo : public TargetInfo {
- void setDataLayout() {
- if (BigEndian)
- resetDataLayout("E-p:32:32:32-i8:8:32-i16:16:32-n32");
- else
- resetDataLayout("e-p:32:32:32-i8:8:32-i16:16:32-n32");
- }
-
- static const Builtin::Info BuiltinInfo[];
- std::string CPU;
- std::string ABI;
-
-public:
- Nios2TargetInfo(const llvm::Triple &triple, const TargetOptions &opts)
- : TargetInfo(triple), CPU(opts.CPU), ABI(opts.ABI) {
- SizeType = UnsignedInt;
- PtrDiffType = SignedInt;
- MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32;
- setDataLayout();
- }
-
- StringRef getABI() const override { return ABI; }
- bool setABI(const std::string &Name) override {
- if (Name == "o32" || Name == "eabi") {
- ABI = Name;
- return true;
- }
- return false;
- }
-
- bool isValidCPUName(StringRef Name) const override {
- return Name == "nios2r1" || Name == "nios2r2";
- }
-
- void fillValidCPUList(SmallVectorImpl<StringRef> &Values) const override {
- Values.append({"nios2r1", "nios2r2"});
- }
-
- bool setCPU(const std::string &Name) override {
- if (isValidCPUName(Name)) {
- CPU = Name;
- return true;
- }
- return false;
- }
-
- void getTargetDefines(const LangOptions &Opts,
- MacroBuilder &Builder) const override;
-
- ArrayRef<Builtin::Info> getTargetBuiltins() const override;
-
- bool isFeatureSupportedByCPU(StringRef Feature, StringRef CPU) const;
-
- bool
- initFeatureMap(llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags,
- StringRef CPU,
- const std::vector<std::string> &FeatureVec) const override {
- static const char *allFeatures[] = {"nios2r2mandatory", "nios2r2bmx",
- "nios2r2mpx", "nios2r2cdx"
- };
- for (const char *feature : allFeatures) {
- Features[feature] = isFeatureSupportedByCPU(feature, CPU);
- }
- return true;
- }
-
- bool hasFeature(StringRef Feature) const override {
- return isFeatureSupportedByCPU(Feature, CPU);
- }
-
- BuiltinVaListKind getBuiltinVaListKind() const override {
- return TargetInfo::VoidPtrBuiltinVaList;
- }
-
- ArrayRef<const char *> getGCCRegNames() const override {
- static const char *const GCCRegNames[] = {
- // CPU register names
- // Must match second column of GCCRegAliases
- "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",
- // Floating point register names
- "ctl0", "ctl1", "ctl2", "ctl3", "ctl4", "ctl5", "ctl6", "ctl7", "ctl8",
- "ctl9", "ctl10", "ctl11", "ctl12", "ctl13", "ctl14", "ctl15"
- };
- return llvm::makeArrayRef(GCCRegNames);
- }
-
- bool validateAsmConstraint(const char *&Name,
- TargetInfo::ConstraintInfo &Info) const override {
- switch (*Name) {
- default:
- return false;
-
- case 'r': // CPU registers.
- case 'd': // Equivalent to "r" unless generating MIPS16 code.
- case 'y': // Equivalent to "r", backwards compatibility only.
- case 'f': // floating-point registers.
- case 'c': // $25 for indirect jumps
- case 'l': // lo register
- case 'x': // hilo register pair
- Info.setAllowsRegister();
- return true;
- }
- }
-
- const char *getClobbers() const override { return ""; }
-
- ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
- static const TargetInfo::GCCRegAlias aliases[] = {
- {{"zero"}, "r0"}, {{"at"}, "r1"}, {{"et"}, "r24"},
- {{"bt"}, "r25"}, {{"gp"}, "r26"}, {{"sp"}, "r27"},
- {{"fp"}, "r28"}, {{"ea"}, "r29"}, {{"ba"}, "r30"},
- {{"ra"}, "r31"}, {{"status"}, "ctl0"}, {{"estatus"}, "ctl1"},
- {{"bstatus"}, "ctl2"}, {{"ienable"}, "ctl3"}, {{"ipending"}, "ctl4"},
- {{"cpuid"}, "ctl5"}, {{"exception"}, "ctl7"}, {{"pteaddr"}, "ctl8"},
- {{"tlbacc"}, "ctl9"}, {{"tlbmisc"}, "ctl10"}, {{"badaddr"}, "ctl12"},
- {{"config"}, "ctl13"}, {{"mpubase"}, "ctl14"}, {{"mpuacc"}, "ctl15"},
- };
- return llvm::makeArrayRef(aliases);
- }
-};
-
-} // namespace targets
-} // namespace clang
-#endif // LLVM_CLANG_LIB_BASIC_TARGETS_NIOS2_H