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patches/gcc/4.7.0/000-gcc-bug-54369.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Sun May 05 00:01:05 2013 +0200 (2013-05-05)
changeset 3218 3709e61ad85b
permissions -rw-r--r--
complibs/cloog: add support for the ISL backend

CLooG 0.18+ will use ISL instead of PPL, so we have to configure
adequately depending of which backend is in use.

The Kconfig entries will decide for us which is selected, so we
can rely on either PPL xor ISL to be selected, not both.

Reported-by: "Plotnikov Dmitry" <leitz@ispras.ru>
[Dmitry did a preliminray patch to add ISL support,
which this patch is inspired from]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> 
     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
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