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* [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all
@ 2011-02-17 11:43 zsojka at seznam dot cz
2011-02-17 16:50 ` [Bug debug/47780] " jakub at gcc dot gnu.org
` (9 more replies)
0 siblings, 10 replies; 11+ messages in thread
From: zsojka at seznam dot cz @ 2011-02-17 11:43 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47780
Summary: -fcompare-debug failure with -O -fgcse -fgcse-las
-fstack-protector-all
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 23377
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23377
reduced testcase
Compiler output:
$ gcc -O -fgcse -fgcse-las -fstack-protector-all -fno-tree-ccp
-fno-tree-dominator-opts -fcompare-debug testcase.c
testcase.c: In function 'foo':
testcase.c:3:6: note: The ABI for passing parameters with 128-byte alignment
has changed in GCC 4.6
gcc: error: testcase.c: -fcompare-debug failure (length)
Generated code is different with/without -g.
Tested revisions:
r170243 - fail
4.5 r170013 - fail
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug debug/47780] -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all
2011-02-17 11:43 [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all zsojka at seznam dot cz
@ 2011-02-17 16:50 ` jakub at gcc dot gnu.org
2011-02-17 16:57 ` [Bug debug/47780] [4.5/4.6 Regression] " jakub at gcc dot gnu.org
` (8 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-17 16:50 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47780
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2011.02.17 16:43:06
AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org
|gnu.org |
Ever Confirmed|0 |1
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-17 16:43:06 UTC ---
Created attachment 23383
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23383
gcc46-pr47780.patch
Untested fix.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug debug/47780] [4.5/4.6 Regression] -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all
2011-02-17 11:43 [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all zsojka at seznam dot cz
2011-02-17 16:50 ` [Bug debug/47780] " jakub at gcc dot gnu.org
@ 2011-02-17 16:57 ` jakub at gcc dot gnu.org
2011-02-18 10:50 ` jakub at gcc dot gnu.org
` (7 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-17 16:57 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47780
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.6.0
Summary|-fcompare-debug failure |[4.5/4.6 Regression]
|with -O -fgcse -fgcse-las |-fcompare-debug failure
|-fstack-protector-all |with -O -fgcse -fgcse-las
| |-fstack-protector-all
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug debug/47780] [4.5/4.6 Regression] -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all
2011-02-17 11:43 [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all zsojka at seznam dot cz
2011-02-17 16:50 ` [Bug debug/47780] " jakub at gcc dot gnu.org
2011-02-17 16:57 ` [Bug debug/47780] [4.5/4.6 Regression] " jakub at gcc dot gnu.org
@ 2011-02-18 10:50 ` jakub at gcc dot gnu.org
2011-02-18 11:06 ` [Bug debug/47780] [4.5 " jakub at gcc dot gnu.org
` (6 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-18 10:50 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47780
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-18 10:42:51 UTC ---
Author: jakub
Date: Fri Feb 18 10:42:48 2011
New Revision: 170270
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170270
Log:
PR debug/47780
* cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
avoid invalid rtx sharing.
* gcc.target/i386/pr47780.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr47780.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cfgexpand.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug debug/47780] [4.5 Regression] -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all
2011-02-17 11:43 [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all zsojka at seznam dot cz
` (2 preceding siblings ...)
2011-02-18 10:50 ` jakub at gcc dot gnu.org
@ 2011-02-18 11:06 ` jakub at gcc dot gnu.org
2011-03-25 20:06 ` jakub at gcc dot gnu.org
` (5 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-02-18 11:06 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47780
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |4.6.0
Summary|[4.5/4.6 Regression] |[4.5 Regression]
|-fcompare-debug failure |-fcompare-debug failure
|with -O -fgcse -fgcse-las |with -O -fgcse -fgcse-las
|-fstack-protector-all |-fstack-protector-all
Known to fail|4.6.0 |
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-18 10:50:27 UTC ---
Fixed on the trunk so far.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug debug/47780] [4.5 Regression] -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all
2011-02-17 11:43 [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all zsojka at seznam dot cz
` (3 preceding siblings ...)
2011-02-18 11:06 ` [Bug debug/47780] [4.5 " jakub at gcc dot gnu.org
@ 2011-03-25 20:06 ` jakub at gcc dot gnu.org
2011-06-27 16:23 ` jakub at gcc dot gnu.org
` (4 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-03-25 20:06 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47780
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.6.0 |4.6.1
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-25 19:53:11 UTC ---
GCC 4.6.0 is being released, adjusting target milestone.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug debug/47780] [4.5 Regression] -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all
2011-02-17 11:43 [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all zsojka at seznam dot cz
` (4 preceding siblings ...)
2011-03-25 20:06 ` jakub at gcc dot gnu.org
@ 2011-06-27 16:23 ` jakub at gcc dot gnu.org
2011-10-10 12:44 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-06-27 16:23 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47780
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.6.1 |4.6.2
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-27 12:33:12 UTC ---
GCC 4.6.1 is being released.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug debug/47780] [4.5 Regression] -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all
2011-02-17 11:43 [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all zsojka at seznam dot cz
` (5 preceding siblings ...)
2011-06-27 16:23 ` jakub at gcc dot gnu.org
@ 2011-10-10 12:44 ` rguenth at gcc dot gnu.org
2012-06-20 12:54 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-10-10 12:44 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47780
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.6.2 |4.5.4
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug debug/47780] [4.5 Regression] -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all
2011-02-17 11:43 [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all zsojka at seznam dot cz
` (6 preceding siblings ...)
2011-10-10 12:44 ` rguenth at gcc dot gnu.org
@ 2012-06-20 12:54 ` rguenth at gcc dot gnu.org
2012-06-20 13:56 ` rguenth at gcc dot gnu.org
2012-06-20 14:47 ` rguenth at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-06-20 12:54 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47780
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug debug/47780] [4.5 Regression] -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all
2011-02-17 11:43 [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all zsojka at seznam dot cz
` (7 preceding siblings ...)
2012-06-20 12:54 ` rguenth at gcc dot gnu.org
@ 2012-06-20 13:56 ` rguenth at gcc dot gnu.org
2012-06-20 14:47 ` rguenth at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-06-20 13:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47780
--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-06-20 13:56:01 UTC ---
Author: rguenth
Date: Wed Jun 20 13:55:44 2012
New Revision: 188834
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188834
Log:
2012-06-20 Richard Guenther <rguenther@suse.de>
Backport from mainline
2010-12-18 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/46985
* tree-scalar-evolution.c (instantiate_scev_r): If chrec is NULL,
return it immediately.
* gfortran.dg/pr46985.f90: New test.
2011-02-18 Jakub Jelinek <jakub@redhat.com>
PR debug/47780
* cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
avoid invalid rtx sharing.
* gcc.target/i386/pr47780.c: New test.
2011-02-27 Jakub Jelinek <jakub@redhat.com>
PR middle-end/47903
* real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
r isn't op0 nor op1.
Added:
branches/gcc-4_5-branch/gcc/testsuite/gcc.target/i386/pr47780.c
branches/gcc-4_5-branch/gcc/testsuite/gfortran.dg/pr46985.f90
Modified:
branches/gcc-4_5-branch/gcc/ChangeLog
branches/gcc-4_5-branch/gcc/cfgexpand.c
branches/gcc-4_5-branch/gcc/real.c
branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
branches/gcc-4_5-branch/gcc/tree-scalar-evolution.c
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug debug/47780] [4.5 Regression] -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all
2011-02-17 11:43 [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all zsojka at seznam dot cz
` (8 preceding siblings ...)
2012-06-20 13:56 ` rguenth at gcc dot gnu.org
@ 2012-06-20 14:47 ` rguenth at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-06-20 14:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47780
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #7 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-06-20 14:47:13 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 11+ messages in thread
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2011-02-17 11:43 [Bug debug/47780] New: -fcompare-debug failure with -O -fgcse -fgcse-las -fstack-protector-all zsojka at seznam dot cz
2011-02-17 16:50 ` [Bug debug/47780] " jakub at gcc dot gnu.org
2011-02-17 16:57 ` [Bug debug/47780] [4.5/4.6 Regression] " jakub at gcc dot gnu.org
2011-02-18 10:50 ` jakub at gcc dot gnu.org
2011-02-18 11:06 ` [Bug debug/47780] [4.5 " jakub at gcc dot gnu.org
2011-03-25 20:06 ` jakub at gcc dot gnu.org
2011-06-27 16:23 ` jakub at gcc dot gnu.org
2011-10-10 12:44 ` rguenth at gcc dot gnu.org
2012-06-20 12:54 ` rguenth at gcc dot gnu.org
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