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* [Bug tree-optimization/48186] New: ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code
@ 2011-03-18 15:59 zsojka at seznam dot cz
2011-12-15 2:24 ` [Bug tree-optimization/48186] " pinskia at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2011-03-18 15:59 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48186
Summary: ICE: SIGFPE (division by zero) in
maybe_hot_frequency_p at predict.c:129 with --param
hot-bb-frequency-fraction=0 on basic code
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
----- testcase.c -----
void foo (void) { }
----------------------
Compiler output:
$ gcc -O --param hot-bb-frequency-fraction=0 testcase.c
testcase.c: In function 'foo':
testcase.c:1:6: internal compiler error: Floating point exception
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Program received signal SIGFPE, Arithmetic exception.
0x0000000000806f9c in maybe_hot_frequency_p (bb=Unhandled dwarf expression
opcode 0xf3
) at /mnt/svn/gcc-trunk/gcc/predict.c:129
129 if (freq < ENTRY_BLOCK_PTR->frequency / PARAM_VALUE
(HOT_BB_FREQUENCY_FRACTION))
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/48186] ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code
2011-03-18 15:59 [Bug tree-optimization/48186] New: ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code zsojka at seznam dot cz
@ 2011-12-15 2:24 ` pinskia at gcc dot gnu.org
2013-04-04 14:51 ` mpolacek at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu.org @ 2011-12-15 2:24 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48186
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011-12-15
Ever Confirmed|0 |1
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-12-15 02:20:27 UTC ---
Confirmed.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/48186] ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code
2011-03-18 15:59 [Bug tree-optimization/48186] New: ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code zsojka at seznam dot cz
2011-12-15 2:24 ` [Bug tree-optimization/48186] " pinskia at gcc dot gnu.org
@ 2013-04-04 14:51 ` mpolacek at gcc dot gnu.org
2013-04-04 15:49 ` mpolacek at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2013-04-04 14:51 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48186
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |mpolacek at gcc dot gnu.org
AssignedTo|unassigned at gcc dot |mpolacek at gcc dot gnu.org
|gnu.org |
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-04-04 14:51:20 UTC ---
I have a patch.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/48186] ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code
2011-03-18 15:59 [Bug tree-optimization/48186] New: ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code zsojka at seznam dot cz
2011-12-15 2:24 ` [Bug tree-optimization/48186] " pinskia at gcc dot gnu.org
2013-04-04 14:51 ` mpolacek at gcc dot gnu.org
@ 2013-04-04 15:49 ` mpolacek at gcc dot gnu.org
2013-04-04 15:52 ` dominiq at lps dot ens.fr
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2013-04-04 15:49 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48186
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-04-04 15:49:00 UTC ---
Author: mpolacek
Date: Thu Apr 4 15:48:25 2013
New Revision: 197487
URL: http://gcc.gnu.org/viewcvs?rev=197487&root=gcc&view=rev
Log:
PR tree-optimization/48186
* predict.c (maybe_hot_frequency_p): Return false if
HOT_BB_FREQUENCY_FRACTION is 0.
(cgraph_maybe_hot_edge_p): Likewise.
* gcc.dg/pr48186.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr48186.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/predict.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/48186] ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code
2011-03-18 15:59 [Bug tree-optimization/48186] New: ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code zsojka at seznam dot cz
` (2 preceding siblings ...)
2013-04-04 15:49 ` mpolacek at gcc dot gnu.org
@ 2013-04-04 15:52 ` dominiq at lps dot ens.fr
2013-04-04 15:53 ` mpolacek at gcc dot gnu.org
2013-04-04 15:54 ` mpolacek at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: dominiq at lps dot ens.fr @ 2013-04-04 15:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48186
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dominiq at lps dot ens.fr
--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2013-04-04 15:52:12 UTC ---
*** Bug 40119 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/48186] ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code
2011-03-18 15:59 [Bug tree-optimization/48186] New: ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code zsojka at seznam dot cz
` (3 preceding siblings ...)
2013-04-04 15:52 ` dominiq at lps dot ens.fr
@ 2013-04-04 15:53 ` mpolacek at gcc dot gnu.org
2013-04-04 15:54 ` mpolacek at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2013-04-04 15:53 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48186
--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-04-04 15:53:25 UTC ---
Author: mpolacek
Date: Thu Apr 4 15:52:54 2013
New Revision: 197488
URL: http://gcc.gnu.org/viewcvs?rev=197488&root=gcc&view=rev
Log:
PR tree-optimization/48186
* predict.c (maybe_hot_frequency_p): Return false if
HOT_BB_FREQUENCY_FRACTION is 0.
(cgraph_maybe_hot_edge_p): Likewise.
* gcc.dg/pr48186.c: New test.
Added:
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/pr48186.c
Modified:
branches/gcc-4_8-branch/gcc/ChangeLog
branches/gcc-4_8-branch/gcc/predict.c
branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/48186] ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code
2011-03-18 15:59 [Bug tree-optimization/48186] New: ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code zsojka at seznam dot cz
` (4 preceding siblings ...)
2013-04-04 15:53 ` mpolacek at gcc dot gnu.org
@ 2013-04-04 15:54 ` mpolacek at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2013-04-04 15:54 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48186
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #6 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-04-04 15:53:56 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 7+ messages in thread
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2011-03-18 15:59 [Bug tree-optimization/48186] New: ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code zsojka at seznam dot cz
2011-12-15 2:24 ` [Bug tree-optimization/48186] " pinskia at gcc dot gnu.org
2013-04-04 14:51 ` mpolacek at gcc dot gnu.org
2013-04-04 15:49 ` mpolacek at gcc dot gnu.org
2013-04-04 15:52 ` dominiq at lps dot ens.fr
2013-04-04 15:53 ` mpolacek at gcc dot gnu.org
2013-04-04 15:54 ` mpolacek at gcc dot gnu.org
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