diff options
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 3ae0558..8e5e980 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -719,6 +719,12 @@ static void getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple, Features.push_back("+long-calls"); } + // llvm does not support reserving registers in general. There is support + // for reserving r9 on ARM though (defined as a platform-specific register + // in ARM EABI). + if (Args.hasArg(options::OPT_ffixed_r9)) + Features.push_back("+reserve-r9"); + // The kext linker doesn't know how to deal with movw/movt. if (KernelOrKext) Features.push_back("+no-movt"); @@ -828,13 +834,6 @@ void Clang::AddARMTargetArgs(const ArgList &Args, ArgStringList &CmdArgs, options::OPT_mno_implicit_float, true)) CmdArgs.push_back("-no-implicit-float"); - // llvm does not support reserving registers in general. There is support - // for reserving r9 on ARM though (defined as a platform-specific register - // in ARM EABI). - if (Args.hasArg(options::OPT_ffixed_r9)) { - CmdArgs.push_back("-backend-option"); - CmdArgs.push_back("-arm-reserve-r9"); - } } /// getAArch64TargetCPU - Get the (LLVM) name of the AArch64 cpu we are |