Lanai.cpp source code [clang_source_code/lib/Basic/Targets/Lanai.cpp]

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

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