1 //===--- Lanai.cpp - Implement Lanai target feature support ---------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements Lanai TargetInfo objects.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "Lanai.h"
15 #include "clang/Basic/MacroBuilder.h"
16 #include "llvm/ADT/StringSwitch.h"
17 
18 using namespace clang;
19 using namespace clang::targets;
20 
21 const char *const LanaiTargetInfo::GCCRegNames[] = {
22     "r0",  "r1",  "r2",  "r3",  "r4",  "r5",  "r6",  "r7",  "r8",  "r9",  "r10",
23     "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21",
24     "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31"
25 };
26 
27 ArrayRef<const char *> LanaiTargetInfo::getGCCRegNames() const {
28   return llvm::makeArrayRef(GCCRegNames);
29 }
30 
31 const TargetInfo::GCCRegAlias LanaiTargetInfo::GCCRegAliases[] = {
32     {{"pc"}, "r2"},   {{"sp"}, "r4"},   {{"fp"}, "r5"},   {{"rv"}, "r8"},
33     {{"rr1"}, "r10"}, {{"rr2"}, "r11"}, {{"rca"}, "r15"},
34 };
35 
36 ArrayRef<TargetInfo::GCCRegAlias> LanaiTargetInfo::getGCCRegAliases() const {
37   return llvm::makeArrayRef(GCCRegAliases);
38 }
39 
40 bool LanaiTargetInfo::isValidCPUName(StringRef Name) const {
41   return llvm::StringSwitch<bool>(Name).Case("v11", true).Default(false);
42 }
43 void LanaiTargetInfo::fillValidCPUList(
44     SmallVectorImpl<StringRef> &Values) const {
45   Values.emplace_back("v11");
46 }
47 
48 bool LanaiTargetInfo::setCPU(const std::string &Name) {
49   CPU = llvm::StringSwitch<CPUKind>(Name).Case("v11", CK_V11).Default(CK_NONE);
50 
51   return CPU != CK_NONE;
52 }
53 
54 bool LanaiTargetInfo::hasFeature(StringRef Feature) const {
55   return llvm::StringSwitch<bool>(Feature).Case("lanai", true).Default(false);
56 }
57 
58 void LanaiTargetInfo::getTargetDefines(const LangOptions &Opts,
59                                        MacroBuilder &Builder) const {
60   // Define __lanai__ when building for target lanai.
61   Builder.defineMacro("__lanai__");
62 
63   // Set define for the CPU specified.
64   switch (CPU) {
65   case CK_V11:
66     Builder.defineMacro("__LANAI_V11__");
67     break;
68   case CK_NONE:
69     llvm_unreachable("Unhandled target CPU");
70   }
71 }
72