1 //===--- Sparc.cpp - Tools Implementations ----------------------*- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
10 #include "clang/Driver/Driver.h"
11 #include "clang/Driver/DriverDiagnostic.h"
12 #include "clang/Driver/Options.h"
13 #include "llvm/ADT/StringSwitch.h"
14 #include "llvm/Option/ArgList.h"
16 using namespace clang::driver;
17 using namespace clang::driver::tools;
18 using namespace clang;
19 using namespace llvm::opt;
21 const char *sparc::getSparcAsmModeForCPU(StringRef Name,
22 const llvm::Triple &Triple) {
23 if (Triple.getArch() == llvm::Triple::sparcv9) {
24 return llvm::StringSwitch<const char *>(Name)
25 .Case("niagara", "-Av9b")
26 .Case("niagara2", "-Av9b")
27 .Case("niagara3", "-Av9d")
28 .Case("niagara4", "-Av9d")
31 return llvm::StringSwitch<const char *>(Name)
33 .Case("supersparc", "-Av8")
34 .Case("sparclite", "-Asparclite")
35 .Case("f934", "-Asparclite")
36 .Case("hypersparc", "-Av8")
37 .Case("sparclite86x", "-Asparclite")
38 .Case("sparclet", "-Asparclet")
39 .Case("tsc701", "-Asparclet")
40 .Case("v9", "-Av8plus")
41 .Case("ultrasparc", "-Av8plus")
42 .Case("ultrasparc3", "-Av8plus")
43 .Case("niagara", "-Av8plusb")
44 .Case("niagara2", "-Av8plusb")
45 .Case("niagara3", "-Av8plusd")
46 .Case("niagara4", "-Av8plusd")
47 .Case("ma2100", "-Aleon")
48 .Case("ma2150", "-Aleon")
49 .Case("ma2155", "-Aleon")
50 .Case("ma2450", "-Aleon")
51 .Case("ma2455", "-Aleon")
52 .Case("ma2x5x", "-Aleon")
53 .Case("ma2080", "-Aleon")
54 .Case("ma2085", "-Aleon")
55 .Case("ma2480", "-Aleon")
56 .Case("ma2485", "-Aleon")
57 .Case("ma2x8x", "-Aleon")
58 .Case("myriad2", "-Aleon")
59 .Case("myriad2.1", "-Aleon")
60 .Case("myriad2.2", "-Aleon")
61 .Case("myriad2.3", "-Aleon")
62 .Case("leon2", "-Av8")
63 .Case("at697e", "-Av8")
64 .Case("at697f", "-Av8")
65 .Case("leon3", "-Aleon")
66 .Case("ut699", "-Av8")
67 .Case("gr712rc", "-Aleon")
68 .Case("leon4", "-Aleon")
69 .Case("gr740", "-Aleon")
74 sparc::FloatABI sparc::getSparcFloatABI(const Driver &D,
75 const ArgList &Args) {
76 sparc::FloatABI ABI = sparc::FloatABI::Invalid;
77 if (Arg *A = Args.getLastArg(clang::driver::options::OPT_msoft_float,
78 options::OPT_mhard_float,
79 options::OPT_mfloat_abi_EQ)) {
80 if (A->getOption().matches(clang::driver::options::OPT_msoft_float))
81 ABI = sparc::FloatABI::Soft;
82 else if (A->getOption().matches(options::OPT_mhard_float))
83 ABI = sparc::FloatABI::Hard;
85 ABI = llvm::StringSwitch<sparc::FloatABI>(A->getValue())
86 .Case("soft", sparc::FloatABI::Soft)
87 .Case("hard", sparc::FloatABI::Hard)
88 .Default(sparc::FloatABI::Invalid);
89 if (ABI == sparc::FloatABI::Invalid &&
90 !StringRef(A->getValue()).empty()) {
91 D.Diag(clang::diag::err_drv_invalid_mfloat_abi) << A->getAsString(Args);
92 ABI = sparc::FloatABI::Hard;
97 // If unspecified, choose the default based on the platform.
98 // Only the hard-float ABI on Sparc is standardized, and it is the
99 // default. GCC also supports a nonstandard soft-float ABI mode, also
100 // implemented in LLVM. However as this is not standard we set the default
102 if (ABI == sparc::FloatABI::Invalid) {
103 ABI = sparc::FloatABI::Hard;
109 void sparc::getSparcTargetFeatures(const Driver &D, const ArgList &Args,
110 std::vector<StringRef> &Features) {
111 sparc::FloatABI FloatABI = sparc::getSparcFloatABI(D, Args);
112 if (FloatABI == sparc::FloatABI::Soft)
113 Features.push_back("+soft-float");