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Pull in r371066 from upstream clang trunk (by Justin Hibbits):

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Add -m(no)-spe to clang

  Summary:
  r337347 added support for the Signal Processing Engine (SPE) to LLVM.
  This follows that up with the clang side.

  This adds -mspe and -mno-spe, to match GCC.

  Subscribers: nemanjai, kbarton, cfe-commits

  Differential Revision: https://reviews.llvm.org/D49754
This commit is contained in:
Dimitry Andric 2019-09-19 19:42:59 +00:00
parent 2ee8a62f0f
commit 7dfde55afd
4 changed files with 14 additions and 2 deletions
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2
contrib/llvm/tools/clang/include/clang/Driver/Options.td
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@ -2241,6 +2241,8 @@ def faltivec : Flag<["-"], "faltivec">, Group<f_Group>, Flags<[DriverOption]>;
def fno_altivec : Flag<["-"], "fno-altivec">, Group<f_Group>, Flags<[DriverOption]>;
def maltivec : Flag<["-"], "maltivec">, Group<m_ppc_Features_Group>;
def mno_altivec : Flag<["-"], "mno-altivec">, Group<m_ppc_Features_Group>;
def mspe : Flag<["-"], "mspe">, Group<m_ppc_Features_Group>;
def mno_spe : Flag<["-"], "mno-spe">, Group<m_ppc_Features_Group>;
def mvsx : Flag<["-"], "mvsx">, Group<m_ppc_Features_Group>;
def mno_vsx : Flag<["-"], "mno-vsx">, Group<m_ppc_Features_Group>;
def msecure_plt : Flag<["-"], "msecure-plt">, Group<m_ppc_Features_Group>;

10
contrib/llvm/tools/clang/lib/Basic/Targets/PPC.cpp
View File

@ -54,6 +54,10 @@ bool PPCTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
HasFloat128 = true;
} else if (Feature == "+power9-vector") {
HasP9Vector = true;
} else if (Feature == "+spe") {
HasSPE = true;
LongDoubleWidth = LongDoubleAlign = 64;
LongDoubleFormat = &llvm::APFloat::IEEEdouble();
} else if (Feature == "-hard-float") {
FloatABI = SoftFloat;
}
@ -165,6 +169,10 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
Builder.defineMacro("__VEC__", "10206");
Builder.defineMacro("__ALTIVEC__");
}
if (HasSPE) {
Builder.defineMacro("__SPE__");
Builder.defineMacro("__NO_FPRS__");
}
if (HasVSX)
Builder.defineMacro("__VSX__");
if (HasP8Vector)
@ -203,7 +211,6 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
// __CMODEL_LARGE__
// _CALL_SYSV
// _CALL_DARWIN
// __NO_FPRS__
}
// Handle explicit options being passed to the compiler here: if we've
@ -332,6 +339,7 @@ bool PPCTargetInfo::hasFeature(StringRef Feature) const {
.Case("extdiv", HasExtDiv)
.Case("float128", HasFloat128)
.Case("power9-vector", HasP9Vector)
.Case("spe", HasSPE)
.Default(false);
}

1
contrib/llvm/tools/clang/lib/Basic/Targets/PPC.h
View File

@ -66,6 +66,7 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo {
bool HasBPERMD = false;
bool HasExtDiv = false;
bool HasP9Vector = false;
bool HasSPE = false;
protected:
std::string ABI;

3
contrib/llvm/tools/clang/lib/CodeGen/TargetInfo.cpp
View File

@ -9716,7 +9716,8 @@ const TargetCodeGenInfo &CodeGenModule::getTargetCodeGenInfo() {
case llvm::Triple::ppc:
return SetCGInfo(
new PPC32TargetCodeGenInfo(Types, CodeGenOpts.FloatABI == "soft"));
new PPC32TargetCodeGenInfo(Types, CodeGenOpts.FloatABI == "soft" ||
getTarget().hasFeature("spe")));
case llvm::Triple::ppc64:
if (Triple.isOSBinFormatELF()) {
PPC64_SVR4_ABIInfo::ABIKind Kind = PPC64_SVR4_ABIInfo::ELFv1;