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Re: middle-end/9636: ICE when building newlib for v850-elf


The following reply was made to PR middle-end/9636; it has been noted by GNATS.

From: Krister Walfridsson <cato at df dot lth dot se>
To: gcc-gnats at gcc dot gnu dot org, <vmakarov at redhat dot com>
Cc: gcc-prs at gcc dot gnu dot org, <gcc-bugs at gcc dot gnu dot org>
Subject: Re: middle-end/9636: ICE when building newlib for v850-elf
Date: Fri, 21 Feb 2003 22:28:00 +0100 (MET)

 On 9 Feb 2003 cato at df dot lth dot se wrote:
 
 > >Description:
 > GCC for v850-elf ICE when building newlib (following the instructions in http://gcc.gnu.org/simtest-howto.html and source CVS:ed today)
 >
 > The ICE message is:
 > ../../../../../../combined/newlib/libc/stdlib/a64l.c: In function `a64l':
 > ../../../../../../combined/newlib/libc/stdlib/a64l.c:73: warning: assignment discards qualifiers from pointer target type
 > ../../../../../../combined/newlib/libc/stdlib/a64l.c:188: internal compiler error: in schedule_block, at haifa-sched.c:2065
 > Please submit a full bug report,
 
 I have narrow this failure down to the following change:
 
 2003-01-28  Vladimir Makarov  <vmakarov at redhat dot com>
 
         * haifa-sched.c (schedule_insn): Return necessary cycle advance
         after issuing the insn.
         (rank_for_schedule): Make a insn with /S the highest priority
         insn.
         (move_insn): Ignore schedule groups.  Clear SCHED_GROUP_P.
         (choose_ready): Check SCHED_GROUP_P.
         (schedule_block): Advance cycle after issuing insn if it is
         necessary.  Don't reorder insns if there is an insn with /S.
         (set_priorities): Ignore schedule groups.
 
         * sched-deps.c (remove_dependence, group_leader): Remove the
         functions.
         (add_dependence): Ignore schedule groups.
         (set_sched_group_p): Don't make copy of dependencies from previous
         insn of the schedule group.  Add anti-dependency to the previous
         insn of the schedule group.
         (compute_forward_dependences): Ignore schedule groups.
 
         * sched-ebb.c (init_ready_list): Ignore schedule groups.
 
         * sched-rgn.c (init_ready_list): Ditto.
         (can_schedule_ready_p): Ditto.
 
 
    /Krister
 


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