On Tue, 2014-01-14 at 20:14 +0100, Jan-Simon Möller wrote: > Hi David, > > what version of clang did you use btw ?
This is LLVM HEAD + extra patches at git://, http://git.infradead.org/users/dwmw2/llvm.git and the following patch to clang HEAD: diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td index 948b448..9eeace1 100644 --- a/include/clang/Driver/Options.td +++ b/include/clang/Driver/Options.td @@ -964,6 +964,7 @@ def lazy__framework : Separate<["-"], "lazy_framework">, Flags<[LinkerInput]>; def lazy__library : Separate<["-"], "lazy_library">, Flags<[LinkerInput]>; def EL : Flag<["-"], "EL">, Flags<[DriverOption]>; def EB : Flag<["-"], "EB">, Flags<[DriverOption]>; +def m16 : Flag<["-"], "m16">, Group<m_Group>, Flags<[DriverOption, CoreOption]>; def m32 : Flag<["-"], "m32">, Group<m_Group>, Flags<[DriverOption, CoreOption]>; def mqdsp6_compat : Flag<["-"], "mqdsp6-compat">, Group<m_Group>, Flags<[DriverOption,CC1Option]>, HelpText<"Enable hexagon-qdsp6 backward compatibility">; diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp index 253a083..8248149 100644 --- a/lib/Driver/Driver.cpp +++ b/lib/Driver/Driver.cpp @@ -1911,12 +1911,20 @@ static llvm::Triple computeTargetTriple(StringRef DefaultTargetTriple, return Target; // Handle pseudo-target flags '-m32' and '-m64'. - if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) { + if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64, options::OPT_m16)) { llvm::Triple::ArchType AT; if (A->getOption().matches(options::OPT_m32)) AT = Target.get32BitArchVariant().getArch(); - else + else if (A->getOption().matches(options::OPT_m64)) AT = Target.get64BitArchVariant().getArch(); + else if (A->getOption().matches(options::OPT_m16)) { + AT = Target.get32BitArchVariant().getArch(); + if (AT == llvm::Triple::x86) + Target.setEnvironment(llvm::Triple::CODE16); + else + AT = llvm::Triple::UnknownArch; + } + if (AT != llvm::Triple::UnknownArch) Target.setArch(AT); } -- 1.8.3.1 -- David Woodhouse Open Source Technology Centre david.woodho...@intel.com Intel Corporation
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