r216270 - -fms-extensions: Alias _intNN to __intNN

Richard Smith richard at metafoo.co.uk
Fri Aug 22 10:38:27 PDT 2014


This is not a conforming extension. Should it be under -fms-compatibility
instead?
On 22 Aug 2014 10:15, "Reid Kleckner" <reid at kleckner.net> wrote:

> Author: rnk
> Date: Fri Aug 22 11:52:57 2014
> New Revision: 216270
>
> URL: http://llvm.org/viewvc/llvm-project?rev=216270&view=rev
> Log:
> -fms-extensions: Alias _intNN to __intNN
>
> Fixes build for SPEC 2000 CPU. MSVC disables these aliases under /Za,
> which enables stricter standards compliance. We don't currently have any
> way to disable them.
>
> Patch by Kevin Smith!
>
> Modified:
>     cfe/trunk/include/clang/Basic/TokenKinds.def
>     cfe/trunk/test/Parser/MicrosoftExtensions.cpp
>
> Modified: cfe/trunk/include/clang/Basic/TokenKinds.def
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/TokenKinds.def?rev=216270&r1=216269&r2=216270&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/TokenKinds.def (original)
> +++ cfe/trunk/include/clang/Basic/TokenKinds.def Fri Aug 22 11:52:57 2014
> @@ -545,8 +545,12 @@ KEYWORD(__multiple_inheritance        ,
>  KEYWORD(__virtual_inheritance         , KEYMS)
>  KEYWORD(__interface                   , KEYMS)
>  ALIAS("__int8"           , char       , KEYMS)
> +ALIAS("_int8"            , char       , KEYMS)
>  ALIAS("__int16"          , short      , KEYMS)
> +ALIAS("_int16"           , short      , KEYMS)
>  ALIAS("__int32"          , int        , KEYMS)
> +ALIAS("_int32"           , int        , KEYMS)
> +ALIAS("_int64"           , __int64    , KEYMS)
>  ALIAS("__wchar_t"        , wchar_t    , KEYMS)
>  ALIAS("_asm"             , asm        , KEYMS)
>  ALIAS("_alignof"         , __alignof  , KEYMS)
>
> Modified: cfe/trunk/test/Parser/MicrosoftExtensions.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Parser/MicrosoftExtensions.cpp?rev=216270&r1=216269&r2=216270&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/Parser/MicrosoftExtensions.cpp (original)
> +++ cfe/trunk/test/Parser/MicrosoftExtensions.cpp Fri Aug 22 11:52:57 2014
> @@ -226,6 +226,11 @@ void interface_test() {
>  }
>
>  __int64 x7 = __int64(0);
> +_int64 x8 = _int64(0);
> +static_assert(sizeof(_int64) == 8, "");
> +static_assert(sizeof(_int32) == 4, "");
> +static_assert(sizeof(_int16) == 2, "");
> +static_assert(sizeof(_int8) == 1, "");
>
>  int __identifier(generic) = 3;
>  int __identifier(int) = 4;
>
>
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