diff options
Diffstat (limited to 'clang/lib/Driver')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 8e5e9804a36..3ae055801b8 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -719,12 +719,6 @@ 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"); @@ -834,6 +828,13 @@ 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 |
