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* [Bug debug/47498] New: [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks
@ 2011-01-27 22:47 zsojka at seznam dot cz
  2011-01-28  0:08 ` [Bug debug/47498] " hjl.tools at gmail dot com
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: zsojka at seznam dot cz @ 2011-01-27 22:47 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47498

           Summary: [4.6 Regression] -fcompare-debug failure with
                    -fsched2-use-superblocks
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz
                CC: aoliva@gcc.gnu.org
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 23145
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23145
reduced testcase

Command line:
$ gcc -O -fsched2-use-superblocks -fschedule-insns2 -fcompare-debug testcase.C
or
$ gcc -O2 -fsched2-use-superblocks -fcompare-debug testcase.C

Compiler output:
$ gcc -O -fsched2-use-superblocks -fschedule-insns2 -fcompare-debug testcase.C
gcc: error: testcase.C: -fcompare-debug failure

$ diff testcase.*gkd
9d8
< (note# 0 0 NOTE_INSN_FUNCTION_BEG)
18a18
> (note# 0 0 NOTE_INSN_FUNCTION_BEG)

Tested revisions:
r169326 - fail
4.5 r168785 - OK


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug debug/47498] [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks
  2011-01-27 22:47 [Bug debug/47498] New: [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks zsojka at seznam dot cz
@ 2011-01-28  0:08 ` hjl.tools at gmail dot com
  2011-01-28 11:14 ` jakub at gcc dot gnu.org
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: hjl.tools at gmail dot com @ 2011-01-28  0:08 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47498

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.01.27 23:14:42
   Target Milestone|---                         |4.6.0
     Ever Confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2011-01-27 23:14:42 UTC ---
It is caused by revision 169260:

http://gcc.gnu.org/ml/gcc-cvs/2011-01/msg00884.html


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug debug/47498] [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks
  2011-01-27 22:47 [Bug debug/47498] New: [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks zsojka at seznam dot cz
  2011-01-28  0:08 ` [Bug debug/47498] " hjl.tools at gmail dot com
@ 2011-01-28 11:14 ` jakub at gcc dot gnu.org
  2011-01-31 10:40 ` aoliva at gcc dot gnu.org
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-01-28 11:14 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47498

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-28 10:58:03 UTC ---
Indeed, sched2 here moves over the NOTE_INSN_FUNCTION_BEG before all real insns
with -g, but keeps it where it was (and should be) with -g0.


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug debug/47498] [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks
  2011-01-27 22:47 [Bug debug/47498] New: [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks zsojka at seznam dot cz
  2011-01-28  0:08 ` [Bug debug/47498] " hjl.tools at gmail dot com
  2011-01-28 11:14 ` jakub at gcc dot gnu.org
@ 2011-01-31 10:40 ` aoliva at gcc dot gnu.org
  2011-02-02  4:32 ` aoliva at gcc dot gnu.org
  2011-02-02  4:54 ` aoliva at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: aoliva at gcc dot gnu.org @ 2011-01-31 10:40 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47498

Alexandre Oliva <aoliva at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |aoliva at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #3 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2011-01-31 10:16:10 UTC ---
Mine.  Patch reverted in revision 169429, testing revised patch at
http://gcc.gnu.org/ml/gcc-patches/2011-01/msg02260.html


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug debug/47498] [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks
  2011-01-27 22:47 [Bug debug/47498] New: [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks zsojka at seznam dot cz
                   ` (2 preceding siblings ...)
  2011-01-31 10:40 ` aoliva at gcc dot gnu.org
@ 2011-02-02  4:32 ` aoliva at gcc dot gnu.org
  2011-02-02  4:54 ` aoliva at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: aoliva at gcc dot gnu.org @ 2011-02-02  4:32 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47498

--- Comment #4 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2011-02-02 04:31:40 UTC ---
Author: aoliva
Date: Wed Feb  2 04:31:35 2011
New Revision: 169513

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169513
Log:
gcc/ChangeLog:
PR debug/47498
PR debug/47501
PR debug/45136
PR debug/45130
* haifa-sched.c (get_ebb_head_tail): Move notes across boundary
debug insns.
(no_real_insns_p, schedule_block, set_priorities): Drop special
treatment of boundary debug insns.
* sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
insns.
* sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
* sched-int.h (DEBUG_INSN_SCHED_P): Remove.
(BOUNDARY_DEBUG_INSN_P): Likewise.
(SCHEDULE_DEBUG_INSN_P): Likewise.
* sched-rgn.c (init_ready_list): Drop special treatment of
boundary debug insns.
* final.c (rest_of_clean_state): Clear notes' BB.
gcc/testsuite/ChangeLog:
PR debug/47498
PR debug/47501
PR debug/45136
PR debug/45130
* debug/pr47498.c: New.
* debug/pr47501.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/debug/pr47498.c
    trunk/gcc/testsuite/gcc.dg/debug/pr47501.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/final.c
    trunk/gcc/haifa-sched.c
    trunk/gcc/sched-deps.c
    trunk/gcc/sched-ebb.c
    trunk/gcc/sched-int.h
    trunk/gcc/sched-rgn.c
    trunk/gcc/testsuite/ChangeLog


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug debug/47498] [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks
  2011-01-27 22:47 [Bug debug/47498] New: [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks zsojka at seznam dot cz
                   ` (3 preceding siblings ...)
  2011-02-02  4:32 ` aoliva at gcc dot gnu.org
@ 2011-02-02  4:54 ` aoliva at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: aoliva at gcc dot gnu.org @ 2011-02-02  4:54 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47498

Alexandre Oliva <aoliva at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #5 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2011-02-02 04:54:23 UTC ---
Fixed


^ permalink raw reply	[flat|nested] 6+ messages in thread

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2011-01-27 22:47 [Bug debug/47498] New: [4.6 Regression] -fcompare-debug failure with -fsched2-use-superblocks zsojka at seznam dot cz
2011-01-28  0:08 ` [Bug debug/47498] " hjl.tools at gmail dot com
2011-01-28 11:14 ` jakub at gcc dot gnu.org
2011-01-31 10:40 ` aoliva at gcc dot gnu.org
2011-02-02  4:32 ` aoliva at gcc dot gnu.org
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