toolchain/gcc/patches/4.7.0/001-gcc-bug-54369.patch

   1 Author: ebotcazou
   2 Date: Sun Sep  2 10:36:54 2012
   3 New Revision: 190859
   4
   5 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190859
   6 Log:
   7     PR rtl-optimization/54369
   8     * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
   9     calling dbr_schedule.
  10     * config/sparc/sparc.c (sparc_reorg): Likewise.
  11
  12 Modified:
  13     branches/gcc-4_7-branch/gcc/ChangeLog
  14     branches/gcc-4_7-branch/gcc/config/mips/mips.c
  15     branches/gcc-4_7-branch/gcc/config/sparc/sparc.c
  16 ---
  17 --- gcc-4_7-branch/gcc/config/mips/mips.c       2012/09/02 10:36:27     190858
  18 +++ gcc-4_7-branch/gcc/config/mips/mips.c       2012/09/02 10:36:54     190859
  19 @@ -15415,7 +15415,10 @@
  20      }
  21
  22    if (optimize > 0 && flag_delayed_branch)
  23 -    dbr_schedule (get_insns ());
  24 +    {
  25 +      cleanup_barriers ();
  26 +      dbr_schedule (get_insns ());
  27 +    }
  28    mips_reorg_process_insns ();
  29    if (!TARGET_MIPS16
  30        && TARGET_EXPLICIT_RELOCS
  31 --- gcc-4_7-branch/gcc/config/sparc/sparc.c     2012/09/02 10:36:27     190858
  32 +++ gcc-4_7-branch/gcc/config/sparc/sparc.c     2012/09/02 10:36:54     190859
  33 @@ -10663,7 +10663,10 @@
  34    /* We need to have the (essentially) final form of the insn stream in order
  35       to properly detect the various hazards.  Run delay slot scheduling.  */
  36    if (optimize > 0 && flag_delayed_branch)
  37 -    dbr_schedule (get_insns ());
  38 +    {
  39 +      cleanup_barriers ();
  40 +      dbr_schedule (get_insns ());
  41 +    }
  42
  43    /* Now look for specific patterns in the insn stream.  */
  44    for (insn = get_insns (); insn; insn = next)
  45