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::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 35 ArrayRef<TargetInfo::GCCRegAlias> LanaiTargetInfo::getGCCRegAliases() const { 36 return llvm::ArrayRef(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