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Set the default C standard to C99 when targeting the PS4. 

Patch by Douglas Yung!

Differential Revision: http://reviews.llvm.org/D18708

llvm-svn: 265359
This commit is contained in:
Sunil Srivastava 2016-04-04 22:56:05 +00:00
parent bb8c665320
commit 0e15a77d40
3 changed files with 11 additions and 3 deletions
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2
clang/include/clang/Frontend/CompilerInvocation.h
View File

@ -153,8 +153,10 @@ public:
///
/// \param Opts - The LangOptions object to set up.
/// \param IK - The input language.
/// \param T - The target triple.
/// \param LangStd - The input language standard.
static void setLangDefaults(LangOptions &Opts, InputKind IK,
const llvm::Triple &T,
LangStandard::Kind LangStd = LangStandard::lang_unspecified);
/// \brief Retrieve a module hash string that is suitable for uniquely

11
clang/lib/Frontend/CompilerInvocation.cpp
View File

@ -1355,6 +1355,7 @@ static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
}
void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
const llvm::Triple &T,
LangStandard::Kind LangStd) {
// Set some properties which depend solely on the input kind; it would be nice
// to move these to the language standard, and have the driver resolve the
@ -1387,7 +1388,11 @@ void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
case IK_PreprocessedC:
case IK_ObjC:
case IK_PreprocessedObjC:
LangStd = LangStandard::lang_gnu11;
// The PS4 uses C99 as the default C standard.
if (T.isPS4())
LangStd = LangStandard::lang_gnu99;
else
LangStd = LangStandard::lang_gnu11;
break;
case IK_CXX:
case IK_PreprocessedCXX:
@ -1541,7 +1546,8 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
LangStd = OpenCLLangStd;
}
CompilerInvocation::setLangDefaults(Opts, IK, LangStd);
llvm::Triple T(TargetOpts.Triple);
CompilerInvocation::setLangDefaults(Opts, IK, T, LangStd);
// We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension
// keywords. This behavior is provided by GCC's poorly named '-fasm' flag,
@ -1861,7 +1867,6 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
// Provide diagnostic when a given target is not expected to be an OpenMP
// device or host.
if (Opts.OpenMP && !Opts.OpenMPIsDevice) {
llvm::Triple T(TargetOpts.Triple);
switch (T.getArch()) {
default:
break;

1
clang/test/Preprocessor/init.c
View File

@ -8358,6 +8358,7 @@
// PS4:#define __SSE2__ 1
// PS4:#define __SSE_MATH__ 1
// PS4:#define __SSE__ 1
// PS4:#define __STDC_VERSION__ 199901L
// PS4:#define __UINTMAX_TYPE__ long unsigned int
// PS4:#define __USER_LABEL_PREFIX__
// PS4:#define __WCHAR_MAX__ 65535