* [Bug c/39824] ice in fold-const.c
2009-04-20 20:18 [Bug c/39824] New: ice in fold-const.c dcb314 at hotmail dot com
@ 2009-04-20 20:20 ` dcb314 at hotmail dot com
2009-04-21 9:53 ` [Bug middle-end/39824] " rguenth at gcc dot gnu dot org
` (8 subsequent siblings)
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From: dcb314 at hotmail dot com @ 2009-04-20 20:20 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from dcb314 at hotmail dot com 2009-04-20 20:19 -------
Created an attachment (id=17658)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17658&action=view)
C source code
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39824
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/39824] ice in fold-const.c
2009-04-20 20:18 [Bug c/39824] New: ice in fold-const.c dcb314 at hotmail dot com
2009-04-20 20:20 ` [Bug c/39824] " dcb314 at hotmail dot com
@ 2009-04-21 9:53 ` rguenth at gcc dot gnu dot org
2009-04-21 10:18 ` [Bug middle-end/39824] [4.5 Regression] " rguenth at gcc dot gnu dot org
` (7 subsequent siblings)
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From: rguenth at gcc dot gnu dot org @ 2009-04-21 9:53 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from rguenth at gcc dot gnu dot org 2009-04-21 09:53 -------
Reducing.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39824
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/39824] [4.5 Regression] ice in fold-const.c
2009-04-20 20:18 [Bug c/39824] New: ice in fold-const.c dcb314 at hotmail dot com
2009-04-20 20:20 ` [Bug c/39824] " dcb314 at hotmail dot com
2009-04-21 9:53 ` [Bug middle-end/39824] " rguenth at gcc dot gnu dot org
@ 2009-04-21 10:18 ` rguenth at gcc dot gnu dot org
2009-04-22 13:47 ` rguenth at gcc dot gnu dot org
` (6 subsequent siblings)
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From: rguenth at gcc dot gnu dot org @ 2009-04-21 10:18 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from rguenth at gcc dot gnu dot org 2009-04-21 10:18 -------
Confirmed.
static const double internalEndianMagic = 7.949928895127363e-275;
static const unsigned char ieee_754_mantissa_mask[] = { 0x00, 0x0F, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF };
static inline int
trio_isnan (double number)
{
int has_mantissa = 0;
unsigned int i;
unsigned char current;
for (i = 0; i < (unsigned int)sizeof(double); i++)
{
current = ((unsigned char *)&number)[(((unsigned char
*)&internalEndianMagic)[7-(i)])];
has_mantissa |= (current & ieee_754_mantissa_mask[i]);
}
return has_mantissa;
}
void
xmlXPathEqualNodeSetFloat(int nodeNr, double v)
{
int i;
for (i=0; i<nodeNr; i++)
if (!trio_isnan(v))
break;
}
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Known to work| |4.4.0
Last reconfirmed|0000-00-00 00:00:00 |2009-04-21 10:18:27
date| |
Summary|ice in fold-const.c |[4.5 Regression] ice in
| |fold-const.c
Target Milestone|--- |4.5.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39824
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/39824] [4.5 Regression] ice in fold-const.c
2009-04-20 20:18 [Bug c/39824] New: ice in fold-const.c dcb314 at hotmail dot com
` (2 preceding siblings ...)
2009-04-21 10:18 ` [Bug middle-end/39824] [4.5 Regression] " rguenth at gcc dot gnu dot org
@ 2009-04-22 13:47 ` rguenth at gcc dot gnu dot org
2009-04-22 13:52 ` rguenth at gcc dot gnu dot org
` (5 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-04-22 13:47 UTC (permalink / raw)
To: gcc-bugs
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39824
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/39824] [4.5 Regression] ice in fold-const.c
2009-04-20 20:18 [Bug c/39824] New: ice in fold-const.c dcb314 at hotmail dot com
` (3 preceding siblings ...)
2009-04-22 13:47 ` rguenth at gcc dot gnu dot org
@ 2009-04-22 13:52 ` rguenth at gcc dot gnu dot org
2009-04-22 14:12 ` rguenth at gcc dot gnu dot org
` (4 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-04-22 13:52 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from rguenth at gcc dot gnu dot org 2009-04-22 13:52 -------
Mine. CCP does sth weird.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |rguenth at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
Last reconfirmed|2009-04-21 10:18:27 |2009-04-22 13:52:25
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39824
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/39824] [4.5 Regression] ice in fold-const.c
2009-04-20 20:18 [Bug c/39824] New: ice in fold-const.c dcb314 at hotmail dot com
` (4 preceding siblings ...)
2009-04-22 13:52 ` rguenth at gcc dot gnu dot org
@ 2009-04-22 14:12 ` rguenth at gcc dot gnu dot org
2009-04-22 15:42 ` rguenth at gcc dot gnu dot org
` (3 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-04-22 14:12 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from rguenth at gcc dot gnu dot org 2009-04-22 14:12 -------
This is latent on the 4.4 branch. I have a patch.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39824
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/39824] [4.5 Regression] ice in fold-const.c
2009-04-20 20:18 [Bug c/39824] New: ice in fold-const.c dcb314 at hotmail dot com
` (5 preceding siblings ...)
2009-04-22 14:12 ` rguenth at gcc dot gnu dot org
@ 2009-04-22 15:42 ` rguenth at gcc dot gnu dot org
2009-04-22 19:55 ` rguenth at gcc dot gnu dot org
` (2 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-04-22 15:42 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from rguenth at gcc dot gnu dot org 2009-04-22 15:42 -------
Subject: Bug 39824
Author: rguenth
Date: Wed Apr 22 15:41:48 2009
New Revision: 146592
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=146592
Log:
2009-04-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39824
* tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
make sure the types are compatible.
* gcc.c-torture/compile/pr39824.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr39824.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39824
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/39824] [4.5 Regression] ice in fold-const.c
2009-04-20 20:18 [Bug c/39824] New: ice in fold-const.c dcb314 at hotmail dot com
` (6 preceding siblings ...)
2009-04-22 15:42 ` rguenth at gcc dot gnu dot org
@ 2009-04-22 19:55 ` rguenth at gcc dot gnu dot org
2009-04-22 19:55 ` rguenth at gcc dot gnu dot org
2009-04-26 17:05 ` rguenth at gcc dot gnu dot org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-04-22 19:55 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from rguenth at gcc dot gnu dot org 2009-04-22 19:55 -------
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.5.0 |4.4.1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39824
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/39824] [4.5 Regression] ice in fold-const.c
2009-04-20 20:18 [Bug c/39824] New: ice in fold-const.c dcb314 at hotmail dot com
` (7 preceding siblings ...)
2009-04-22 19:55 ` rguenth at gcc dot gnu dot org
@ 2009-04-22 19:55 ` rguenth at gcc dot gnu dot org
2009-04-26 17:05 ` rguenth at gcc dot gnu dot org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-04-22 19:55 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from rguenth at gcc dot gnu dot org 2009-04-22 19:55 -------
Subject: Bug 39824
Author: rguenth
Date: Wed Apr 22 19:55:24 2009
New Revision: 146611
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=146611
Log:
2009-04-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39824
* tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
make sure the types are compatible.
* gcc.c-torture/compile/pr39824.c: New testcase.
Added:
branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/compile/pr39824.c
Modified:
branches/gcc-4_4-branch/gcc/ChangeLog
branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
branches/gcc-4_4-branch/gcc/tree-ssa-ccp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39824
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/39824] [4.5 Regression] ice in fold-const.c
2009-04-20 20:18 [Bug c/39824] New: ice in fold-const.c dcb314 at hotmail dot com
` (8 preceding siblings ...)
2009-04-22 19:55 ` rguenth at gcc dot gnu dot org
@ 2009-04-26 17:05 ` rguenth at gcc dot gnu dot org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2009-04-26 17:05 UTC (permalink / raw)
To: gcc-bugs
------- Comment #9 from rguenth at gcc dot gnu dot org 2009-04-26 17:05 -------
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39824
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