On Mon, Sep 26, 2011 at 11:20 AM, Bingfeng Mei <b...@broadcom.com> wrote: > Hi, > I notice the following description is different from how spu & m32c use it. > > In internal manual: > > bool TARGET_ADDR_SPACE_SUBSET_P (addr space t superset, [Target Hook] > addr space t subset) > Define this to return whether the subset named address space is contained > within the > superset named address space. Pointers to a named address space that is a > subset > of another named address space will be converted automatically without a cast > if > used together in arithmetic operations. Pointers to a superset address space > can be > converted to pointers to a subset address space via explicit casts. > > In spu & m32c ports: > m32c_addr_space_subset_p (addr_space_t subset, addr_space_t superset) > spu_addr_space_subset_p (addr_space_t subset, addr_space_t superset) > > I believe the document is wrong. The first argument is subset and the second > one is superset. I attached the patch below. OK for trunk?
Please also adjust target.def and tm.texi.in. > > Cheers, > Bingfeng Mei > > 2011-09-26 Bingfeng Mei <b...@broad.com> > * doc/tm.texi: Correct documentation for TARGET_ADDR_SPACE_SUBSET_P. > > > Index: doc/tm.texi > =================================================================== > --- doc/tm.texi (revision 178972) > +++ doc/tm.texi (working copy) > @@ -10256,7 +10256,7 @@ hook is the same as the @code{TARGET_LEG > except that it includes explicit named address space support. > @end deftypefn > > -@deftypefn {Target Hook} bool TARGET_ADDR_SPACE_SUBSET_P (addr_space_t > @var{superset}, addr_space_t @var{subset}) > +@deftypefn {Target Hook} bool TARGET_ADDR_SPACE_SUBSET_P (addr_space_t > @var{subset}, addr_space_t @var{superset}) > Define this to return whether the @var{subset} named address space is > contained within the @var{superset} named address space. Pointers to > a named address space that is a subset of another named address space > >