[Bug target/52530] [4.8 regression] Many 64-bit execution failures on Solaris 10/11 with Sun as

["ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52530

Uros Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
   Last reconfirmed|                            |2012-03-09
         Resolution|FIXED                       |
     Ever Confirmed|0                           |1

--- Comment #5 from Uros Bizjak <ubizjak at gmail dot com> 2012-03-09 14:55:18 UTC ---
However, there is a problem with Pmode != DImode. Consider following test:

struct foo
{
  int *f;
  int i;
};

void
__attribute__ ((noinline))
bar (struct foo x)
{
  *(x.f) = 1;
}

This will compile with -mx32 to:

bar:
       movl    $1, (%rdi)
       ret

which is wrong.

The move is:

#(insn:TI 6 3 13 2 (set (mem:SI (reg:SI 5 di [orig:60 x ] [60]) [4 *D.1704_1+0
S4 A32])
#        (const_int 1 [0x1])) ptr.c:11 64 {*movsi_internal}
#     (expr_list:REG_DEAD (reg:SI 5 di [orig:60 x ] [60])
#        (nil)))
        movl    $1, (%rdi)      # 6     *movsi_internal/2       [length = 6]

So we want to output address in SImode, while avoiding addr32 prefixes for
LEAs.

The patch from H.J. should be applied and LEAs should be fixed.