* [Bug middle-end/21992] [4.1 regression] mmix-knuth-mmixware testsuite failure: many objc execution tests fail, first objc/execute/_cmd.m execution
2005-06-10 0:21 [Bug libobjc/21992] New: [4.1 regression] mmix-knuth-mmixware testsuite failure: many objc execution tests fail, first objc/execute/_cmd.m execution hp at gcc dot gnu dot org
@ 2005-06-10 0:42 ` pinskia at gcc dot gnu dot org
2005-06-18 16:10 ` [Bug middle-end/21992] [4.1 regression] " hp at gcc dot gnu dot org
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From: pinskia at gcc dot gnu dot org @ 2005-06-10 0:42 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-06-10 00:41 -------
Hmm, there were no libobjc changes.
There two patches which might have caused it:
-2005-06-09 Jan Hubicka <jh@suse.cz>
-
- * cgraphunit.c (cgraph_create_edges): Do not walk BLOCK; finalize
- local statics when doing unit-at-a-time.
- (cgraph_varpool_assemble_pending_decls): Output debug info.
- * dwarf2out.c (decls_for_scope): Skip local statics.
- (dwarf2out_decl): Handle local statics.
- * passes.c (rest_of_decl_compilation): Do not differentiate
- local and global statics in unit-at-a-time.
- * tree-inline.c (remap_decls): Put local static into
- unexpanded_vars_list rather than introducing duplicated VAR_DECL
- node.
-
And:
-2005-06-08 Daniel Berlin <dberlin@dberlin.org>
-
- * Makefile.in (OBJS-common): Add tree-ssa-structalias.o.
- * tree-flow.h (find_what_p_points_to): Add prototype.
- (push_fields_onto_fieldstack): Ditto.
- (sort_fieldstack): Ditto.
- * tree-optimize.c (init_tree_optimization_passes): Add
- pass_build_pta and pass_del_pta.
- * tree-pass.h (pass_build_pta): New structure.
- (pass_del_pta): Ditto.
- * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Disambiguate
- using new alias analyzer.
- (push_fields_onto_fieldstack): Removed from here.
- (bitpos_of_field): Ditto.
- (fieldoff_compare): Ditto.
- * tree-ssa-structalias.c: New file.
- * tree-ssa-structalias.h: Ditto.
-
I really doubt it was caused by DannyB's patch though
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |pinskia at gcc dot gnu dot
| |org, hubicka at gcc dot gnu
| |dot org
Component|libobjc |middle-end
Keywords| |wrong-code
Target Milestone|--- |4.1.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21992
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From: hp at gcc dot gnu dot org @ 2005-06-18 16:10 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From hp at gcc dot gnu dot org 2005-06-18 16:10 -------
Also observed on cris-elf and cris-axis-linux-gnu, same timeframe and ever
since.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2005-06-18 16:10:15
date| |
Summary|[4.1 regression] mmix-knuth-|[4.1 regression] testsuite
|mmixware testsuite failure: |failure: many objc execution
|many objc execution tests |tests fail, first
|fail, first |objc/execute/_cmd.m
|objc/execute/_cmd.m |execution
|execution |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21992
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From: hp at gcc dot gnu dot org @ 2005-07-04 23:21 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From hp at gcc dot gnu dot org 2005-07-04 23:21 -------
There was a change of behavior between
LAST_UPDATED "Sun Jun 19 20:05:45 UTC 2005" and "Mon Jun 27 21:26:27 UTC 2005";
some tests now fail at -O1. So whatever pass now runs at -O1 that used to run
at -O2 and higher seems the culprit. With "Mon Jul 4 10:24:52 UTC 2005" these
tests still fail. Complete list of new objc failures introduced between the two
first dates:
objc/execute/accessing_ivars.m execution, -O1
objc/execute/bycopy-2.m execution, -O1
objc/execute/bycopy-3.m execution, -O1
objc/execute/cascading-1.m execution, -O1
objc/execute/class-1.m execution, -O1
objc/execute/class-10.m execution, -O1
objc/execute/class-11.m execution, -O1
objc/execute/class-12.m execution, -O1
objc/execute/class-13.m execution, -O1
objc/execute/class-14.m execution, -O1
objc/execute/class-2.m execution, -O1
objc/execute/class-3.m execution, -O1
objc/execute/class-4.m execution, -O1
objc/execute/class-5.m execution, -O1
objc/execute/class-6.m execution, -O1
objc/execute/class-7.m execution, -O1
objc/execute/class-8.m execution, -O1
objc/execute/class-9.m execution, -O1
objc/execute/compatibility_alias.m execution, -O1
objc/execute/enumeration-1.m execution, -O1
objc/execute/enumeration-2.m execution, -O1
objc/execute/formal_protocol-1.m execution, -O1
objc/execute/formal_protocol-2.m execution, -O1
objc/execute/formal_protocol-3.m execution, -O1
objc/execute/formal_protocol-4.m execution, -O1
objc/execute/formal_protocol-7.m execution, -O1
objc/execute/function-message-1.m execution, -O1
objc/execute/no_clash.m execution, -O1
objc/execute/object_is_class.m execution, -O1
objc/execute/object_is_meta_class.m execution, -O1
--
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|2005-06-18 16:10:15 |2005-07-04 23:21:14
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21992
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From: pinskia at gcc dot gnu dot org @ 2005-07-04 23:32 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-04 23:32 -------
(In reply to comment #3)
> There was a change of behavior between
> LAST_UPDATED "Sun Jun 19 20:05:45 UTC 2005" and "Mon Jun 27 21:26:27 UTC 2005";
> some tests now fail at -O1. So whatever pass now runs at -O1 that used to run
> at -O2 and higher seems the culprit. With "Mon Jul 4 10:24:52 UTC 2005" these
> tests still fail. Complete list of new objc failures introduced between the two
> first dates:
That is the date which unit-at-a-time was enabled at -O1. So it looks like it was Jan's change which
caused it. Though I don't know why it passes on i686-pc-linux-gnu.
--
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From: pinskia at gcc dot gnu dot org @ 2005-07-26 14:35 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-26 14:32 -------
I think I see the same thing at -O2 on a couple of tests on ppc-darwin.
Is the execution a missing symbol?
--
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To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-26 15:31 -------
This fails on PPC-darwin also.
--
What |Removed |Added
----------------------------------------------------------------------------
GCC target triplet|mmix-knuth-mmixware |mmix-knuth-mmixware,
| |powerpc-darwin
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21992
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From: pinskia at gcc dot gnu dot org @ 2005-07-26 15:37 UTC (permalink / raw)
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------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-26 15:34 -------
I wonder why this does not fail on i686-pc-linux-gnu.
--
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------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-26 15:39 -------
=== objc Summary ===
# of expected passes 1309
# of unexpected failures 328
# of unresolved testcases 3
# of unsupported tests 1
Those are what I get on ppc-darwin, bad, very bad.
--
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------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-26 15:52 -------
I think libobjc is also being miscompiled which is why some fails at -O0.
--
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From: hp at gcc dot gnu dot org @ 2005-07-26 20:23 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From hp at gcc dot gnu dot org 2005-07-26 20:10 -------
Not sure it if matters, but for the record. I can't really parse the question in
comment #5, but from the log quote in the description; "objc runtime: cannot
find class Object" I guess the answer is "yes". (It's an execution failure, not
a link failure.)
--
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From: pinskia at gcc dot gnu dot org @ 2005-08-09 4:28 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-09 04:28 -------
The different betwen for the following code:
#include <objc/Object.h>
int main(void)
{
[Object name];
}
at -funit-at-a-time and -fno-unit-at-a-time is:
the removal of at unit-at-a-time:
___objc_class_ref_Object:
.long ___objc_class_name_Object
Now to figure out how to mark this reference as used.
--
What |Removed |Added
----------------------------------------------------------------------------
GCC host triplet|i686-pc-linux-gnu |
Summary|[4.1 regression] testsuite |[4.1 regression] [unit-at-a-
|failure: many objc execution|time] testsuite failure:
|tests fail, first |many objc execution tests
|objc/execute/_cmd.m |fail, first
|execution |objc/execute/_cmd.m
| |execution
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21992
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From: pinskia at gcc dot gnu dot org @ 2005-08-09 4:56 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-09 04:56 -------
Created an attachment (id=9449)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9449&action=view)
patch which should fix it
This patch should fix the bug. I am going to test on ppc-darwin but it would
be nice to double check, it also fixes it on mmix. Could you test it for me?
--
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |pinskia at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21992
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From: pinskia at gcc dot gnu dot org @ 2005-08-09 12:11 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-09 12:11 -------
(In reply to comment #13)
> This patch onle fixes the problem in comment #11 and not all the testcases.
The resulting Summary:
# of expected passes 1528
# of unexpected failures 109
# of unresolved testcases 3
# of unsupported tests 1
So it does in fact improve the situation.
--
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From: pinskia at gcc dot gnu dot org @ 2005-08-09 16:43 UTC (permalink / raw)
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------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-09 16:43 -------
(In reply to comment #14)
> So it does in fact improve the situation.
Ok, the majority of the rest of the objc failures are caused by not initializing the runtime on ppc-
darwin, I think I can fix the ppc-darwin problem by making libobjc one module but that will not fix the
failures on mmix.
--
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From: cvs-commit at gcc dot gnu dot org @ 2005-08-09 17:53 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-08-09 17:53 -------
Subject: Bug 21992
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: pinskia@gcc.gnu.org 2005-08-09 17:53:28
Modified files:
gcc/objc : ChangeLog objc-act.c
Log message:
2005-08-09 Andrew Pinski <pinskia@physics.uc.edu>
part of PR objc/21992
* objc-act.c (handle_class_ref): The ref decl is always referenced.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/objc/ChangeLog.diff?cvsroot=gcc&r1=1.54&r2=1.55
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/objc/objc-act.c.diff?cvsroot=gcc&r1=1.288&r2=1.289
--
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From: pinskia at gcc dot gnu dot org @ 2005-08-09 17:58 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-09 17:58 -------
I committed the fix for the ones which fail at optimizations level higher than -O0.
Hans-Peter, is the rest of the failures gone for mmix?
Also does mmix have shared libraries, if not then this is a problem as we then are removing things
which should have forced the link with the Object class, there might be other ways around it still but I
have to think of them.
--
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From: hp at gcc dot gnu dot org @ 2005-08-09 23:28 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From hp at gcc dot gnu dot org 2005-08-09 23:28 -------
The patch in comment #12 fixes *all* objc regressions
(actually no failures at all again now), on mmix-knuth-mmixware,
cris-axis-elf and cris-axis-linux-gnu.
No, MMIX does not have shared libraries. It's not that different
from most of the *-elf "embedded" targets in that sense.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21992
^ permalink raw reply [flat|nested] 20+ messages in thread* [Bug middle-end/21992] [4.1 regression] [unit-at-a-time] testsuite failure: many objc execution tests fail, first objc/execute/_cmd.m execution
2005-06-10 0:21 [Bug libobjc/21992] New: [4.1 regression] mmix-knuth-mmixware testsuite failure: many objc execution tests fail, first objc/execute/_cmd.m execution hp at gcc dot gnu dot org
` (16 preceding siblings ...)
2005-08-09 23:28 ` hp at gcc dot gnu dot org
@ 2005-08-09 23:35 ` pinskia at gcc dot gnu dot org
2005-08-11 16:59 ` hp at gcc dot gnu dot org
18 siblings, 0 replies; 20+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-08-09 23:35 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-09 23:35 -------
Ok, since this was orginally about mmix, I am going to close this as fixed and I will open a new bug
about the darwin failures once I really test on a clean tree, I know how to fix it if it still broken.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21992
^ permalink raw reply [flat|nested] 20+ messages in thread* [Bug middle-end/21992] [4.1 regression] [unit-at-a-time] testsuite failure: many objc execution tests fail, first objc/execute/_cmd.m execution
2005-06-10 0:21 [Bug libobjc/21992] New: [4.1 regression] mmix-knuth-mmixware testsuite failure: many objc execution tests fail, first objc/execute/_cmd.m execution hp at gcc dot gnu dot org
` (17 preceding siblings ...)
2005-08-09 23:35 ` pinskia at gcc dot gnu dot org
@ 2005-08-11 16:59 ` hp at gcc dot gnu dot org
18 siblings, 0 replies; 20+ messages in thread
From: hp at gcc dot gnu dot org @ 2005-08-11 16:59 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From hp at gcc dot gnu dot org 2005-08-11 16:59 -------
Clarification to comment #18; the newly-enabled-for-all-targets try-catch-8.m
(PR 23306) fails (so there was *one* failure in the objc testsuite at the time
the above commit was made).
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21992
^ permalink raw reply [flat|nested] 20+ messages in thread