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
getGCCRegNames() const26 ArrayRef<const char *> LanaiTargetInfo::getGCCRegNames() const {
27 return llvm::ArrayRef(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
getGCCRegAliases() const35 ArrayRef<TargetInfo::GCCRegAlias> LanaiTargetInfo::getGCCRegAliases() const {
36 return llvm::ArrayRef(GCCRegAliases);
37 }
38
isValidCPUName(StringRef Name) const39 bool LanaiTargetInfo::isValidCPUName(StringRef Name) const {
40 return llvm::StringSwitch<bool>(Name).Case("v11", true).Default(false);
41 }
fillValidCPUList(SmallVectorImpl<StringRef> & Values) const42 void LanaiTargetInfo::fillValidCPUList(
43 SmallVectorImpl<StringRef> &Values) const {
44 Values.emplace_back("v11");
45 }
46
setCPU(const std::string & Name)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
hasFeature(StringRef Feature) const53 bool LanaiTargetInfo::hasFeature(StringRef Feature) const {
54 return llvm::StringSwitch<bool>(Feature).Case("lanai", true).Default(false);
55 }
56
getTargetDefines(const LangOptions & Opts,MacroBuilder & Builder) const57 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 }
71