On Wed, Apr 4, 2012 at 11:08 AM, Uros Bizjak <ubiz...@gmail.com> wrote: > Hello! > >> This patch defines TRY_EMPTY_VM_SPACE for Linux/x32. Tested on Linux/x32. >> OK for trunk? >> >> 2012-04-03 H.J. Lu <hongjiu...@intel.com> >> >> * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to >> 0x60000000 for x32. > > I think we can simply check for __LP64__, without version check, as is > the case with SPARC and MIPS targets. > > Uros. > > Index: host-linux.c > =================================================================== > --- host-linux.c (revision 186141) > +++ host-linux.c (working copy) > @@ -68,8 +68,10 @@ > # define TRY_EMPTY_VM_SPACE 0x10000000000 > #elif defined(__ia64) > # define TRY_EMPTY_VM_SPACE 0x2000000100000000 > +#elif defined(__x86_64) && defined(__LP64__) > +# define TRY_EMPTY_VM_SPACE 0x1000000000 > #elif defined(__x86_64) > -# define TRY_EMPTY_VM_SPACE 0x1000000000 > +# define TRY_EMPTY_VM_SPACE 0x60000000 > #elif defined(__i386) > # define TRY_EMPTY_VM_SPACE 0x60000000 > #elif defined(__powerpc__)
When you compile GCC 4.8 with GCC 3.2 on Linux/x86-64, __LP64__ won't be defined and TRY_EMPTY_VM_SPACE will be 0x60000000 instead of 0x1000000000. -- H.J.
