diff options
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 3c98cb38eef..4592308e1a5 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -596,6 +596,27 @@ static void getAArch64FPUFeatures(const Driver &D, const Arg *A, D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args); } +// Handle -mhwdiv=. +static void getARMHWDivFeatures(const Driver &D, const Arg *A, + const ArgList &Args, + std::vector<const char *> &Features) { + StringRef HWDiv = A->getValue(); + if (HWDiv == "arm") { + Features.push_back("+hwdiv-arm"); + Features.push_back("-hwdiv"); + } else if (HWDiv == "thumb") { + Features.push_back("-hwdiv-arm"); + Features.push_back("+hwdiv"); + } else if (HWDiv == "arm,thumb" || HWDiv == "thumb,arm") { + Features.push_back("+hwdiv-arm"); + Features.push_back("+hwdiv"); + } else if (HWDiv == "none") { + Features.push_back("-hwdiv-arm"); + Features.push_back("-hwdiv"); + } else + D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args); +} + // Handle -mfpu=. // // FIXME: Centralize feature selection, defaulting shouldn't be also in the @@ -740,6 +761,8 @@ static void getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple, // Honor -mfpu=. if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) getARMFPUFeatures(D, A, Args, Features); + if (const Arg *A = Args.getLastArg(options::OPT_mhwdiv_EQ)) + getARMHWDivFeatures(D, A, Args, Features); // Setting -msoft-float effectively disables NEON because of the GCC // implementation, although the same isn't true of VFP or VFP3. |
