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patches/gcc/4.7.0/000-gcc-bug-54369.patch
author Esben Haabendal <esben.haabendal@prevas.dk>
Wed Sep 26 09:09:23 2012 +0200 (2012-09-26)
changeset 3065 603ccf80c48b
permissions -rw-r--r--
kernel/linux: change m68k/no-mmu linux arch tuple to use -uclinux

GCC requires m68k arch tuples to be *-*-uclinux-* to support Linux on
no-mmu m68k (ColdFire) cpus.

Blackfin arch tuple must be *-*-linux-uclibc for FD_PIC_ELF toolchains,
so we cannot just switch to uclinux for no-mmu Linux toolchains.

Signed-off-by: "Esben Haabendal" <esben@haabendal.dk>
Message-Id: <876271s1ee.fsf@arh128.prevas.dk>
PatchWork-Id: 186976 
     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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