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MIPS: Add -mips16 / -mno-mips16 command line support. 

llvm-svn: 159747
This commit is contained in:
Simon Atanasyan 2012-07-05 14:19:39 +00:00
parent 1088676476
commit 6f23fa0f18
4 changed files with 26 additions and 1 deletions
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2
clang/include/clang/Driver/Options.td
View File

@ -846,6 +846,8 @@ def mbmi : Flag<"-mbmi">, Group<m_x86_Features_Group>;
def mbmi2 : Flag<"-mbmi2">, Group<m_x86_Features_Group>;
def mpopcnt : Flag<"-mpopcnt">, Group<m_x86_Features_Group>;
def mfma4 : Flag<"-mfma4">, Group<m_x86_Features_Group>;
def mips16 : Flag<"-mips16">, Group<m_Group>;
def mno_mips16 : Flag<"-mno-mips16">, Group<m_Group>;
def mthumb : Flag<"-mthumb">, Group<m_Group>;
def mtune_EQ : Joined<"-mtune=">, Group<m_Group>;
def multi__module : Flag<"-multi_module">;

3
clang/lib/Basic/Targets.cpp
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@ -3708,7 +3708,8 @@ public:
if (Name == "soft-float" || Name == "single-float" ||
Name == "o32" || Name == "n32" || Name == "n64" || Name == "eabi" ||
Name == "mips32" || Name == "mips32r2" ||
Name == "mips64" || Name == "mips64r2") {
Name == "mips64" || Name == "mips64r2" ||
Name == "mips16") {
Features[Name] = Enabled;
return true;
}

9
clang/lib/Driver/Tools.cpp
View File

@ -919,6 +919,15 @@ void Clang::AddMIPSTargetArgs(const ArgList &Args,
CmdArgs.push_back("-mfloat-abi");
CmdArgs.push_back("hard");
}
if (Arg *A = Args.getLastArg(options::OPT_mips16,
options::OPT_mno_mips16)) {
CmdArgs.push_back("-target-feature");
if (A->getOption().matches(options::OPT_mips16))
CmdArgs.push_back("+mips16");
else
CmdArgs.push_back("-mips16");
}
}
/// getPPCTargetCPU - Get the (LLVM) name of the PowerPC cpu we are targeting.

13
clang/test/Driver/mips-features.c Normal file
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@ -0,0 +1,13 @@
// Check handling MIPS specific features options.
//
// -mips16
// RUN: %clang -target mips-linux-gnu -### -c %s \
// RUN: -mno-mips16 -mips16 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-MIPS16 %s
// CHECK-MIPS16: "-target-feature" "+mips16"
//
// -mno-mips16
// RUN: %clang -target mips-linux-gnu -### -c %s \
// RUN: -mips16 -mno-mips16 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-NOMIPS16 %s
// CHECK-NOMIPS16: "-target-feature" "-mips16"