toolchain/gcc/patches/4.2.4/952-bug_34762.patch

   1 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34762
   2
   3 --- a/gcc/reload.c
   4 +++ b/gcc/reload.c
   5 @@ -4789,7 +4789,7 @@ find_reloads_address (enum machine_mode
   6                   find_reloads_address (GET_MODE (tem), &tem, XEXP (tem, 0),
   7                                         &XEXP (tem, 0), opnum,
   8                                         ADDR_TYPE (type), ind_levels, insn);
   9 -                 if (tem != orig)
  10 +                 if (!rtx_equal_p (tem, orig))
  11                     push_reg_equiv_alt_mem (regno, tem);
  12                 }
  13               /* We can avoid a reload if the register's equivalent memory
  14 @@ -5589,7 +5589,7 @@ find_reloads_address_1 (enum machine_mod
  15                                       RELOAD_OTHER,
  16                                       ind_levels, insn);
  17
  18 -               if (tem != orig)
  19 +               if (!rtx_equal_p (tem, orig))
  20                   push_reg_equiv_alt_mem (regno, tem);
  21
  22                 /* Then reload the memory location into a base
  23 @@ -5656,7 +5656,7 @@ find_reloads_address_1 (enum machine_mod
  24                   find_reloads_address (GET_MODE (tem), &tem, XEXP (tem, 0),
  25                                         &XEXP (tem, 0), opnum, type,
  26                                         ind_levels, insn);
  27 -                 if (tem != orig)
  28 +                 if (!rtx_equal_p (tem, orig))
  29                     push_reg_equiv_alt_mem (regno, tem);
  30                   /* Put this inside a new increment-expression.  */
  31                   x = gen_rtx_fmt_e (GET_CODE (x), GET_MODE (x), tem);
  32 @@ -5848,7 +5848,7 @@ find_reloads_address_1 (enum machine_mod
  33                 find_reloads_address (GET_MODE (x), &x, XEXP (x, 0),
  34                                       &XEXP (x, 0), opnum, ADDR_TYPE (type),
  35                                       ind_levels, insn);
  36 -               if (x != tem)
  37 +               if (!rtx_equal_p (x, tem))
  38                   push_reg_equiv_alt_mem (regno, x);
  39               }
  40           }
  41 @@ -6076,7 +6076,7 @@ find_reloads_subreg_address (rtx x, int
  42                                                XEXP (tem, 0), &XEXP (tem, 0),
  43                                                opnum, type, ind_levels, insn);
  44               /* ??? Do we need to handle nonzero offsets somehow?  */
  45 -             if (!offset && tem != orig)
  46 +             if (!offset && !rtx_equal_p (tem, orig))
  47                 push_reg_equiv_alt_mem (regno, tem);
  48
  49               /* For some processors an address may be valid in the