Author: ebotcazou

 Date: Sun Sep  2 10:36:54 2012

 New Revision: 190859

 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190859

 Log:

     PR rtl-optimization/54369

     * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before

     calling dbr_schedule.

     * config/sparc/sparc.c (sparc_reorg): Likewise.

 Modified:

     branches/gcc-4_7-branch/gcc/ChangeLog

     branches/gcc-4_7-branch/gcc/config/mips/mips.c

     branches/gcc-4_7-branch/gcc/config/sparc/sparc.c

 ---

 --- gcc-4_7-branch/gcc/config/mips/mips.c	2012/09/02 10:36:27	190858

 +++ gcc-4_7-branch/gcc/config/mips/mips.c	2012/09/02 10:36:54	190859

 @@ -15415,7 +15415,10 @@

      }

    if (optimize > 0 && flag_delayed_branch)

 -    dbr_schedule (get_insns ());

 +    {

 +      cleanup_barriers ();

 +      dbr_schedule (get_insns ());

 +    }

    mips_reorg_process_insns ();

    if (!TARGET_MIPS16

        && TARGET_EXPLICIT_RELOCS

 --- gcc-4_7-branch/gcc/config/sparc/sparc.c	2012/09/02 10:36:27	190858

 +++ gcc-4_7-branch/gcc/config/sparc/sparc.c	2012/09/02 10:36:54	190859

 @@ -10663,7 +10663,10 @@

    /* We need to have the (essentially) final form of the insn stream in order

       to properly detect the various hazards.  Run delay slot scheduling.  */

    if (optimize > 0 && flag_delayed_branch)

 -    dbr_schedule (get_insns ());

 +    {

 +      cleanup_barriers ();

 +      dbr_schedule (get_insns ());

 +    }

    /* Now look for specific patterns in the insn stream.  */

    for (insn = get_insns (); insn; insn = next)