* [Bug target/9929] [3.3/3.4 regression] Can't find spill register in GENERAL_REGS
[not found] <20030304002600.9929.gabor@mac.com>
@ 2003-06-11 22:43 ` pinskia@physics.uc.edu
2003-07-10 0:48 ` dhazeghi at yahoo dot com
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pinskia@physics.uc.edu changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|3.4 |3.3.1
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2003-06-11 22:43 ` [Bug target/9929] [3.3/3.4 regression] Can't find spill register in GENERAL_REGS pinskia@physics.uc.edu
@ 2003-07-10 0:48 ` dhazeghi at yahoo dot com
2003-07-13 19:50 ` pinskia at physics dot uc dot edu
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From: dhazeghi at yahoo dot com @ 2003-07-10 0:48 UTC (permalink / raw)
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dhazeghi at yahoo dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |critical
Priority|P3 |P2
Last reconfirmed|2003-06-17 20:47:22 |2003-07-10 00:48:21
date| |
------- Additional Comments From dhazeghi at yahoo dot com 2003-07-10 00:48 -------
This bug is still present on mainline. Has there been any progress made
since this bug was assigned in April? Thanks.
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2003-06-11 22:43 ` [Bug target/9929] [3.3/3.4 regression] Can't find spill register in GENERAL_REGS pinskia@physics.uc.edu
2003-07-10 0:48 ` dhazeghi at yahoo dot com
@ 2003-07-13 19:50 ` pinskia at physics dot uc dot edu
2003-07-14 3:02 ` pme at gcc dot gnu dot org
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------- Additional Comments From pinskia at physics dot uc dot edu 2003-07-13 19:50 -------
>From Phil's regression hunter: Search converges between 2002-03-24-trunk (#11) and
2002-03-31-trunk (#12).
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@ 2003-07-14 3:02 ` pme at gcc dot gnu dot org
2003-07-15 18:02 ` janis187 at us dot ibm dot com
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------- Additional Comments From pme at gcc dot gnu dot org 2003-07-14 03:02 -------
I filled in the 7-day gap here and re-ran the search:
: Search converges between 2002-03-30-trunk (#43) and 2002-03-31-trunk (#44).
input.c: In function `bar':
input.c:12: unable to find a register to spill in class `GENERAL_REGS'
input.c:12: this is the insn:
(insn 25 37 26 (set (mem/s:DI (plus:SI (subreg:SI (reg/v:DI 60) 0)
(subreg:SI (reg/v:DI 61) 4)) [0 S8 A32])
(reg:DI 63)) 83 {*movdi_2} (insn_list 21 (insn_list 24 (nil)))
(expr_list:REG_DEAD (reg:DI 63)
(expr_list:REG_DEAD (reg/v:DI 60)
(expr_list:REG_DEAD (reg/v:DI 61)
(nil)))))
input.c:12: Internal compiler error in spill_failure, at reload1.c:1908
Please submit a full bug report,
with preprocessed source if appropriate.
See for instructions.
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@ 2003-07-15 18:02 ` janis187 at us dot ibm dot com
2003-07-23 23:01 ` mmitchel at gcc dot gnu dot org
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------- Additional Comments From janis187 at us dot ibm dot com 2003-07-15 18:02 -------
The latest search for the introduction or exposure of the bug points to the
patch that was identified in comment #2.
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@ 2003-07-23 23:01 ` mmitchel at gcc dot gnu dot org
2003-07-23 23:01 ` mmitchel at gcc dot gnu dot org
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mmitchel at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|3.3.1 |3.3.2
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@ 2003-07-23 23:01 ` mmitchel at gcc dot gnu dot org
2003-07-24 0:19 ` jh at suse dot cz
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------- Additional Comments From mmitchel at gcc dot gnu dot org 2003-07-23 23:01 -------
Jan has indicated that he will not fix this bug this week, so I have postponed
it until GCC 3.3.2. At least the failure mode is a crash, and not bad code
generation.
It's very disappointing that this regression -- which was filed in March -- was
not fixed by July.
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@ 2003-07-24 0:19 ` jh at suse dot cz
2003-07-24 0:21 ` jh at suse dot cz
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From: jh at suse dot cz @ 2003-07-24 0:19 UTC (permalink / raw)
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------- Additional Comments From jh at suse dot cz 2003-07-24 00:19 -------
Subject: Re: [3.3/3.4 regression] Can't find spill register in GENERAL_REGS
> PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9929
>
>
>
> ------- Additional Comments From mmitchel at gcc dot gnu dot org 2003-07-23 23:01 -------
> Jan has indicated that he will not fix this bug this week, so I have postponed
> it until GCC 3.3.2. At least the failure mode is a crash, and not bad code
> generation.
I didn't mean this particular bug. I am on the vacation till Friday,
but I am trying to solve the 3.3 issues today.
>
> It's very disappointing that this regression -- which was filed in March -- was
> not fixed by July.
Quick searching reminded me that except for the rejected patch to work
around at i386 side, there is patch waiting for this particular bug at
http://gcc.gnu.org/ml/gcc-patches/2003-05/msg02107.html
it has been in use at SuSE's Gcc for some time now and seems to be safe.
I verified that the patch still apply and fixes the testcase,
bootstrap/regress is in the progress.
Sorry for the delay.
Honza
>
>
>
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@ 2003-07-24 0:21 ` jh at suse dot cz
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------- Additional Comments From jh at suse dot cz 2003-07-24 00:21 -------
Subject: Re: [3.3/3.4 regression] Can't find spill register in GENERAL_REGS
> PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9929
>
>
>
> ------- Additional Comments From mmitchel at gcc dot gnu dot org 2003-07-23 23:01 -------
> Jan has indicated that he will not fix this bug this week, so I have postponed
Also note that I was speaking about the HP-UX bug that is not a
regression and I spent several hours trying to hunt it down already. I
don't have that much time right now, but will at the flight home.
Just to clarify my schedule :)
Honza
> it until GCC 3.3.2. At least the failure mode is a crash, and not bad code
> generation.
>
> It's very disappointing that this regression -- which was filed in March -- was
> not fixed by July.
>
>
>
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
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------- Additional Comments From cvs-commit at gcc dot gnu dot org 2003-08-27 16:41 -------
Subject: Bug 9929
CVSROOT: /cvs/gcc
Module name: gcc
Branch: hammer-3_3-branch
Changes by: hubicka@gcc.gnu.org 2003-08-27 16:41:02
Modified files:
gcc : ChangeLog.hammer Makefile.in flow.c gccbug.in
reload.c
gcc/config/i386: i386.c i386.h
Log message:
Backport from SuSE local:
Tue Mar 18 19:06:18 CET 2003 Jan Hubicka <jh@suse.cz>
* i386.c (use_fast_prologue_epilogue): Remove.
(machine_function): New fields use_fast_prologue_epilogue;
use_fast_prologue_epilogue_initialized.
(ix86_frame): New field save_regs-using_mov;
(ix86_compute_frame_layout): Decide on fast prologues;
allocate saved registers in red zone.
(ix86_expand_epilogue, ix86_expand_prolgoues): Obey new parameters.
Mon Mar 3 12:01:16 CET 2003 Jan Hubicka <jh@suse.cz>
* i386.c (classify_argument): Obey MUST_PASS_IN_STACK.
* i386.h (MUST_PASS_IN_STACK): Use default_must_pass_in_stack
for x86-64.
Mon Apr 21 15:13:51 CEST 2003 Jan Hubicka <jh@suse.cz>
* reload.c (find_valid_class): Allow fixed registers to refuse
the mode; compute real amount of choices to allocate given register.
Sun Apr 6 17:43:49 CEST 2003 Jan Hubicka <jh@suse.cz>
PR target/9929
* reload.c (find_reloads_toplev): Remove now redundant alternative
(find_reloads_address_1): Synchronize handling of subregs with
find_reloads_toplev; Always reload whole subreg when the inner
value requires more registers.
Zdenek Dvorak
* flow.c (MAX_LIVENESS_ROUNDS): New.
(calculate_global_regs_live): Guarantee that liveness updating will
terminate.
(update_life_info_in_dirty_blocks): Remove hack that masked the bug.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.hammer.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.1.2.179&r2=1.1.2.180
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/Makefile.in.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.955.2.24&r2=1.955.2.25
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flow.c.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.540.2.5&r2=1.540.2.6
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gccbug.in.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.15.28.1&r2=1.15.28.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/reload.c.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.197.2.8&r2=1.197.2.9
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.c.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.490.2.48&r2=1.490.2.49
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.h.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.305.2.17&r2=1.305.2.18
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2003-08-27 16:41 ` cvs-commit at gcc dot gnu dot org
@ 2003-10-16 2:45 ` mmitchel at gcc dot gnu dot org
2003-12-05 3:39 ` pinskia at gcc dot gnu dot org
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mmitchel at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|3.3.2 |3.4
------- Additional Comments From mmitchel at gcc dot gnu dot org 2003-10-16 02:45 -------
Postponed until GCC 3.4.
Jan, since you seem to have a patch for this can you get it approved for GCC 3.3.4?
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From: pinskia at gcc dot gnu dot org @ 2003-12-05 3:39 UTC (permalink / raw)
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------- Additional Comments From pinskia at gcc dot gnu dot org 2003-12-05 03:39 -------
Any news of getting this approved?
--
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|2003-08-09 13:11:16 |2003-12-05 03:39:39
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9929
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@ 2003-12-17 0:25 ` pinskia at gcc dot gnu dot org
2003-12-17 5:41 ` danglin at gcc dot gnu dot org
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------- Additional Comments From pinskia at gcc dot gnu dot org 2003-12-16 23:00 -------
Patch here: <http://gcc.gnu.org/ml/gcc-patches/2003-07/msg02582.html>.
--
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |patch
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9929
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From: danglin at gcc dot gnu dot org @ 2003-12-17 5:41 UTC (permalink / raw)
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------- Additional Comments From danglin at gcc dot gnu dot org 2003-12-17 05:40 -------
I'm confused. The patch to pa.h is installed on 3.3 and trunk.
The history linking it to 9929 is tenuous.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9929
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------- Additional Comments From pinskia at gcc dot gnu dot org 2003-12-17 05:44 -------
Man I messed up because Jan had put the wrong subject in the patch.
--
What |Removed |Added
----------------------------------------------------------------------------
Keywords|patch |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9929
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2003-12-29 17:42 ` pinskia at gcc dot gnu dot org
2004-01-10 11:40 ` hubicka at gcc dot gnu dot org
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From: pinskia at gcc dot gnu dot org @ 2003-12-29 17:42 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2003-12-29 17:08 -------
Okay this time it is the right one really, patch here: <http://gcc.gnu.org/ml/gcc-patches/
2003-12/msg02201.html>.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9929
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To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2003-12-29 17:08 -------
Okay this time it is the right one, patch here: <http://gcc.gnu.org/ml/gcc-patches/2003-12/
msg02204.html>.
--
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |patch
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9929
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From: hubicka at gcc dot gnu dot org @ 2004-01-10 11:40 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From hubicka at gcc dot gnu dot org 2004-01-10 11:40 -------
Fixed by Richard's reversal of mine's patch:
PR opt/12441
Revert: Sat Mar 30 14:08:55 CET 2002 Jan Hubicka <jh@suse.cz>
* i386.c (aligned_operand): Be prepared for SUBREGed registers.
(ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
(ix86_address_cost): Be prepared for SUBREGed registers.
(legitimate_address_p): Accept SUBREGed registers.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9929
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