clang/lib/Basic/Targets/Lanai.cpp

   1 //===--- Lanai.cpp - Implement Lanai target feature support ---------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file implements Lanai TargetInfo objects.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "Lanai.h"
  14 #include "clang/Basic/MacroBuilder.h"
  15 #include "llvm/ADT/StringSwitch.h"
  16
  17 using namespace clang;
  18 using namespace clang::targets;
  19
  20 const char *const LanaiTargetInfo::GCCRegNames[] = {
  21     "r0",  "r1",  "r2",  "r3",  "r4",  "r5",  "r6",  "r7",  "r8",  "r9",  "r10",
  22     "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21",
  23     "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31"
  24 };
  25
  26 ArrayRef<const char *> LanaiTargetInfo::getGCCRegNames() const {
  27   return llvm::makeArrayRef(GCCRegNames);
  28 }
  29
  30 const TargetInfo::GCCRegAlias LanaiTargetInfo::GCCRegAliases[] = {
  31     {{"pc"}, "r2"},   {{"sp"}, "r4"},   {{"fp"}, "r5"},   {{"rv"}, "r8"},
  32     {{"rr1"}, "r10"}, {{"rr2"}, "r11"}, {{"rca"}, "r15"},
  33 };
  34
  35 ArrayRef<TargetInfo::GCCRegAlias> LanaiTargetInfo::getGCCRegAliases() const {
  36   return llvm::makeArrayRef(GCCRegAliases);
  37 }
  38
  39 bool LanaiTargetInfo::isValidCPUName(StringRef Name) const {
  40   return llvm::StringSwitch<bool>(Name).Case("v11", true).Default(false);
  41 }
  42 void LanaiTargetInfo::fillValidCPUList(
  43     SmallVectorImpl<StringRef> &Values) const {
  44   Values.emplace_back("v11");
  45 }
  46
  47 bool LanaiTargetInfo::setCPU(const std::string &Name) {
  48   CPU = llvm::StringSwitch<CPUKind>(Name).Case("v11", CK_V11).Default(CK_NONE);
  49
  50   return CPU != CK_NONE;
  51 }
  52
  53 bool LanaiTargetInfo::hasFeature(StringRef Feature) const {
  54   return llvm::StringSwitch<bool>(Feature).Case("lanai", true).Default(false);
  55 }
  56
  57 void LanaiTargetInfo::getTargetDefines(const LangOptions &Opts,
  58                                        MacroBuilder &Builder) const {
  59   // Define __lanai__ when building for target lanai.
  60   Builder.defineMacro("__lanai__");
  61
  62   // Set define for the CPU specified.
  63   switch (CPU) {
  64   case CK_V11:
  65     Builder.defineMacro("__LANAI_V11__");
  66     break;
  67   case CK_NONE:
  68     llvm_unreachable("Unhandled target CPU");
  69   }
  70 }