xref: /freebsd/contrib/llvm-project/clang/lib/Basic/Targets/Lanai.cpp (revision 6966ac055c3b7a39266fb982493330df7a097997)
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 }
71