clang  8.0.0svn
Sparc.cpp
Go to the documentation of this file.
1 //===--- Sparc.cpp - Tools Implementations ----------------------*- C++ -*-===//
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 #include "Sparc.h"
11 #include "clang/Driver/Driver.h"
13 #include "clang/Driver/Options.h"
14 #include "llvm/ADT/StringSwitch.h"
15 #include "llvm/Option/ArgList.h"
16 
17 using namespace clang::driver;
18 using namespace clang::driver::tools;
19 using namespace clang;
20 using namespace llvm::opt;
21 
22 const char *sparc::getSparcAsmModeForCPU(StringRef Name,
23  const llvm::Triple &Triple) {
24  if (Triple.getArch() == llvm::Triple::sparcv9) {
25  return llvm::StringSwitch<const char *>(Name)
26  .Case("niagara", "-Av9b")
27  .Case("niagara2", "-Av9b")
28  .Case("niagara3", "-Av9d")
29  .Case("niagara4", "-Av9d")
30  .Default("-Av9");
31  } else {
32  return llvm::StringSwitch<const char *>(Name)
33  .Case("v8", "-Av8")
34  .Case("supersparc", "-Av8")
35  .Case("sparclite", "-Asparclite")
36  .Case("f934", "-Asparclite")
37  .Case("hypersparc", "-Av8")
38  .Case("sparclite86x", "-Asparclite")
39  .Case("sparclet", "-Asparclet")
40  .Case("tsc701", "-Asparclet")
41  .Case("v9", "-Av8plus")
42  .Case("ultrasparc", "-Av8plus")
43  .Case("ultrasparc3", "-Av8plus")
44  .Case("niagara", "-Av8plusb")
45  .Case("niagara2", "-Av8plusb")
46  .Case("niagara3", "-Av8plusd")
47  .Case("niagara4", "-Av8plusd")
48  .Case("ma2100", "-Aleon")
49  .Case("ma2150", "-Aleon")
50  .Case("ma2155", "-Aleon")
51  .Case("ma2450", "-Aleon")
52  .Case("ma2455", "-Aleon")
53  .Case("ma2x5x", "-Aleon")
54  .Case("ma2080", "-Aleon")
55  .Case("ma2085", "-Aleon")
56  .Case("ma2480", "-Aleon")
57  .Case("ma2485", "-Aleon")
58  .Case("ma2x8x", "-Aleon")
59  .Case("myriad2", "-Aleon")
60  .Case("myriad2.1", "-Aleon")
61  .Case("myriad2.2", "-Aleon")
62  .Case("myriad2.3", "-Aleon")
63  .Case("leon2", "-Av8")
64  .Case("at697e", "-Av8")
65  .Case("at697f", "-Av8")
66  .Case("leon3", "-Aleon")
67  .Case("ut699", "-Av8")
68  .Case("gr712rc", "-Aleon")
69  .Case("leon4", "-Aleon")
70  .Case("gr740", "-Aleon")
71  .Default("-Av8");
72  }
73 }
74 
76  const ArgList &Args) {
78  if (Arg *A = Args.getLastArg(clang::driver::options::OPT_msoft_float,
79  options::OPT_mhard_float,
80  options::OPT_mfloat_abi_EQ)) {
81  if (A->getOption().matches(clang::driver::options::OPT_msoft_float))
83  else if (A->getOption().matches(options::OPT_mhard_float))
85  else {
86  ABI = llvm::StringSwitch<sparc::FloatABI>(A->getValue())
87  .Case("soft", sparc::FloatABI::Soft)
88  .Case("hard", sparc::FloatABI::Hard)
89  .Default(sparc::FloatABI::Invalid);
90  if (ABI == sparc::FloatABI::Invalid &&
91  !StringRef(A->getValue()).empty()) {
92  D.Diag(clang::diag::err_drv_invalid_mfloat_abi) << A->getAsString(Args);
94  }
95  }
96  }
97 
98  // If unspecified, choose the default based on the platform.
99  // Only the hard-float ABI on Sparc is standardized, and it is the
100  // default. GCC also supports a nonstandard soft-float ABI mode, also
101  // implemented in LLVM. However as this is not standard we set the default
102  // to be hard-float.
103  if (ABI == sparc::FloatABI::Invalid) {
104  ABI = sparc::FloatABI::Hard;
105  }
106 
107  return ABI;
108 }
109 
110 void sparc::getSparcTargetFeatures(const Driver &D, const ArgList &Args,
111  std::vector<StringRef> &Features) {
113  if (FloatABI == sparc::FloatABI::Soft)
114  Features.push_back("+soft-float");
115 }
const char * getSparcAsmModeForCPU(llvm::StringRef Name, const llvm::Triple &Triple)
FloatABI getSparcFloatABI(const Driver &D, const llvm::opt::ArgList &Args)
DiagnosticBuilder Diag(unsigned DiagID) const
Definition: Driver.h:110
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:59
void getSparcTargetFeatures(const Driver &D, const llvm::opt::ArgList &Args, std::vector< llvm::StringRef > &Features)
Dataflow Directional Tag Classes.