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
17using namespace clang;
18using namespace clang::targets;
19
20const 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
26ArrayRef<const char *> LanaiTargetInfo::getGCCRegNames() const {
27  return llvm::makeArrayRef(GCCRegNames);
28}
29
30const TargetInfo::GCCRegAlias LanaiTargetInfo::GCCRegAliases[] = {
31    {{"pc"}, "r2"},   {{"sp"}, "r4"},   {{"fp"}, "r5"},   {{"rv"}, "r8"},
32    {{"rr1"}, "r10"}, {{"rr2"}, "r11"}, {{"rca"}, "r15"},
33};
34
35ArrayRef<TargetInfo::GCCRegAlias> LanaiTargetInfo::getGCCRegAliases() const {
36  return llvm::makeArrayRef(GCCRegAliases);
37}
38
39bool LanaiTargetInfo::isValidCPUName(StringRef Name) const {
40  return llvm::StringSwitch<bool>(Name).Case("v11", true).Default(false);
41}
42void LanaiTargetInfo::fillValidCPUList(
43    SmallVectorImpl<StringRef> &Values) const {
44  Values.emplace_back("v11");
45}
46
47bool 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
53bool LanaiTargetInfo::hasFeature(StringRef Feature) const {
54  return llvm::StringSwitch<bool>(Feature).Case("lanai", true).Default(false);
55}
56
57void 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}
71