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* [Bug c/40351] New: ice in generate_subtree_copies for Linux kernel build
@ 2009-06-05 10:55 dcb314 at hotmail dot com
2009-06-05 10:57 ` [Bug c/40351] " dcb314 at hotmail dot com
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: dcb314 at hotmail dot com @ 2009-06-05 10:55 UTC (permalink / raw)
To: gcc-bugs
I just tried to compile the recent Linux kernel 2.6.29.4
with the GNU gcc version 4.5 snapshot 20090604.
The compiler said
arch/x86/kernel/io_apic.c:4182:1: internal compiler error: in
generate_subtree_copies, at tree-sra.c:1702
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Preprocessed source code attached. Flag -O2 required.
--
Summary: ice in generate_subtree_copies for Linux kernel build
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: dcb314 at hotmail dot com
GCC host triplet: x86_64-suse-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40351
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c/40351] ice in generate_subtree_copies for Linux kernel build
2009-06-05 10:55 [Bug c/40351] New: ice in generate_subtree_copies for Linux kernel build dcb314 at hotmail dot com
@ 2009-06-05 10:57 ` dcb314 at hotmail dot com
2009-06-05 11:41 ` [Bug tree-optimization/40351] [4.5 Regression] " rguenth at gcc dot gnu dot org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: dcb314 at hotmail dot com @ 2009-06-05 10:57 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from dcb314 at hotmail dot com 2009-06-05 10:57 -------
Created an attachment (id=17953)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17953&action=view)
gzipped C source code
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40351
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/40351] [4.5 Regression] ice in generate_subtree_copies for Linux kernel build
2009-06-05 10:55 [Bug c/40351] New: ice in generate_subtree_copies for Linux kernel build dcb314 at hotmail dot com
2009-06-05 10:57 ` [Bug c/40351] " dcb314 at hotmail dot com
@ 2009-06-05 11:41 ` rguenth at gcc dot gnu dot org
2009-06-05 11:49 ` jamborm at gcc dot gnu dot org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-06-05 11:41 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from rguenth at gcc dot gnu dot org 2009-06-05 11:40 -------
Reduced testcase, fails with -O.
struct IO_APIC_route_entry {
unsigned int vector : 8;
unsigned int delivery_mode : 1;
unsigned int mask : 1;
unsigned int __reserved_2 : 15;
unsigned int __reserved_3 : 8;
} __attribute__ ((packed));
union entry_union {
struct {
unsigned int w1, w2;
};
struct IO_APIC_route_entry entry;
};
unsigned int io_apic_read(void);
struct IO_APIC_route_entry ioapic_read_entry(void)
{
union entry_union eu;
eu.w1 = io_apic_read();
return eu.entry;
}
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rguenth at gcc dot gnu dot
| |org, mjambor at suse dot cz
Status|UNCONFIRMED |NEW
Component|c |tree-optimization
Ever Confirmed|0 |1
Keywords| |ice-on-valid-code
Last reconfirmed|0000-00-00 00:00:00 |2009-06-05 11:40:57
date| |
Summary|ice in |[4.5 Regression] ice in
|generate_subtree_copies for |generate_subtree_copies for
|Linux kernel build |Linux kernel build
Target Milestone|--- |4.5.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40351
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/40351] [4.5 Regression] ice in generate_subtree_copies for Linux kernel build
2009-06-05 10:55 [Bug c/40351] New: ice in generate_subtree_copies for Linux kernel build dcb314 at hotmail dot com
2009-06-05 10:57 ` [Bug c/40351] " dcb314 at hotmail dot com
2009-06-05 11:41 ` [Bug tree-optimization/40351] [4.5 Regression] " rguenth at gcc dot gnu dot org
@ 2009-06-05 11:49 ` jamborm at gcc dot gnu dot org
2009-06-05 15:48 ` jamborm at gcc dot gnu dot org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jamborm at gcc dot gnu dot org @ 2009-06-05 11:49 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from jamborm at gcc dot gnu dot org 2009-06-05 11:49 -------
Mine.
--
jamborm at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |jamborm at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
Last reconfirmed|2009-06-05 11:40:57 |2009-06-05 11:49:33
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40351
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/40351] [4.5 Regression] ice in generate_subtree_copies for Linux kernel build
2009-06-05 10:55 [Bug c/40351] New: ice in generate_subtree_copies for Linux kernel build dcb314 at hotmail dot com
` (2 preceding siblings ...)
2009-06-05 11:49 ` jamborm at gcc dot gnu dot org
@ 2009-06-05 15:48 ` jamborm at gcc dot gnu dot org
2009-06-08 15:31 ` rguenth at gcc dot gnu dot org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jamborm at gcc dot gnu dot org @ 2009-06-05 15:48 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from jamborm at gcc dot gnu dot org 2009-06-05 15:48 -------
Created an attachment (id=17955)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17955&action=view)
Fix
This patch fixes this problem. I'll post it to the mailing list once
I get to bootstrap it which may take a while now.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40351
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/40351] [4.5 Regression] ice in generate_subtree_copies for Linux kernel build
2009-06-05 10:55 [Bug c/40351] New: ice in generate_subtree_copies for Linux kernel build dcb314 at hotmail dot com
` (3 preceding siblings ...)
2009-06-05 15:48 ` jamborm at gcc dot gnu dot org
@ 2009-06-08 15:31 ` rguenth at gcc dot gnu dot org
2009-06-09 16:53 ` jamborm at gcc dot gnu dot org
2009-06-09 20:59 ` jamborm at gcc dot gnu dot org
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-06-08 15:31 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from rguenth at gcc dot gnu dot org 2009-06-08 15:31 -------
*** Bug 40378 has been marked as a duplicate of this bug. ***
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |denis dot onischenko at
| |gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40351
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/40351] [4.5 Regression] ice in generate_subtree_copies for Linux kernel build
2009-06-05 10:55 [Bug c/40351] New: ice in generate_subtree_copies for Linux kernel build dcb314 at hotmail dot com
` (4 preceding siblings ...)
2009-06-08 15:31 ` rguenth at gcc dot gnu dot org
@ 2009-06-09 16:53 ` jamborm at gcc dot gnu dot org
2009-06-09 20:59 ` jamborm at gcc dot gnu dot org
6 siblings, 0 replies; 8+ messages in thread
From: jamborm at gcc dot gnu dot org @ 2009-06-09 16:53 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from jamborm at gcc dot gnu dot org 2009-06-09 16:53 -------
Subject: Bug 40351
Author: jamborm
Date: Tue Jun 9 16:52:57 2009
New Revision: 148315
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=148315
Log:
2009-06-09 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/40351
* tree-sra.c (propagate_subacesses_accross_link): Check that a refrence
to a potential artifical subaccess can be constructed.
* testsuite/gcc.c-torture/compile/pr40351.c: New file.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr40351.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-sra.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40351
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/40351] [4.5 Regression] ice in generate_subtree_copies for Linux kernel build
2009-06-05 10:55 [Bug c/40351] New: ice in generate_subtree_copies for Linux kernel build dcb314 at hotmail dot com
` (5 preceding siblings ...)
2009-06-09 16:53 ` jamborm at gcc dot gnu dot org
@ 2009-06-09 20:59 ` jamborm at gcc dot gnu dot org
6 siblings, 0 replies; 8+ messages in thread
From: jamborm at gcc dot gnu dot org @ 2009-06-09 20:59 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from jamborm at gcc dot gnu dot org 2009-06-09 20:59 -------
Fixed.
--
jamborm at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40351
^ permalink raw reply [flat|nested] 8+ messages in thread
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2009-06-05 10:55 [Bug c/40351] New: ice in generate_subtree_copies for Linux kernel build dcb314 at hotmail dot com
2009-06-05 10:57 ` [Bug c/40351] " dcb314 at hotmail dot com
2009-06-05 11:41 ` [Bug tree-optimization/40351] [4.5 Regression] " rguenth at gcc dot gnu dot org
2009-06-05 11:49 ` jamborm at gcc dot gnu dot org
2009-06-05 15:48 ` jamborm at gcc dot gnu dot org
2009-06-08 15:31 ` rguenth at gcc dot gnu dot org
2009-06-09 16:53 ` jamborm at gcc dot gnu dot org
2009-06-09 20:59 ` jamborm at gcc dot gnu dot org
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