diff options
Diffstat (limited to 'gcc/config/rs6000/vxworks.h')
| -rw-r--r-- | gcc/config/rs6000/vxworks.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/config/rs6000/vxworks.h b/gcc/config/rs6000/vxworks.h index fa2c837b..e77247b 100644 --- a/gcc/config/rs6000/vxworks.h +++ b/gcc/config/rs6000/vxworks.h @@ -34,6 +34,21 @@ along with GCC; see the file COPYING3. If not see /* Common definitions first. */ /*-------------------------------------------------------------*/ +/* Default to 64 bits when the target is powerpc64*-wrs-vxworks*, + and to 32 bits otherwise. */ +#undef SUBTARGET_DRIVER_SELF_SPECS +#if TARGET_VXWORKS64 +#define SUBTARGET_DRIVER_SELF_SPECS "%{!m64:%{!m32:-m64}}" +#else +#define SUBTARGET_DRIVER_SELF_SPECS "%{!m32:%{!m64:-m32}}" +#endif + +/* Having used the build-time TARGET_VXWORKS64 to choose the default ABI above, + redefine it so that it matches whichever ABI is selected for each + compilation. */ +#undef TARGET_VXWORKS64 +#define TARGET_VXWORKS64 TARGET_64BIT + /* CPP predefined macros. */ #undef TARGET_OS_CPP_BUILTINS |