* [Bug tree-optimization/61279] [4.10 Regression] ICE in loop_preheader_edge, at cfgloop.c:1668 w/ -O1 -ftree-loop-vectorize
[not found] <bug-61279-4@http.gcc.gnu.org/bugzilla/>
@ 2014-05-22 8:26 ` rguenth at gcc dot gnu.org
2014-05-23 8:06 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-05-22 8:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61279
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2014-05-22
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
Target Milestone|--- |4.10.0
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I'll have a look.
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug tree-optimization/61279] [4.10 Regression] ICE in loop_preheader_edge, at cfgloop.c:1668 w/ -O1 -ftree-loop-vectorize
[not found] <bug-61279-4@http.gcc.gnu.org/bugzilla/>
2014-05-22 8:26 ` [Bug tree-optimization/61279] [4.10 Regression] ICE in loop_preheader_edge, at cfgloop.c:1668 w/ -O1 -ftree-loop-vectorize rguenth at gcc dot gnu.org
@ 2014-05-23 8:06 ` rguenth at gcc dot gnu.org
2014-05-23 8:47 ` asolokha at gmx dot com
` (2 subsequent siblings)
4 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-05-23 8:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61279
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |WAITING
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
I cannot reproduce this. What architecture do you see the ICE on?
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug tree-optimization/61279] [4.10 Regression] ICE in loop_preheader_edge, at cfgloop.c:1668 w/ -O1 -ftree-loop-vectorize
[not found] <bug-61279-4@http.gcc.gnu.org/bugzilla/>
2014-05-22 8:26 ` [Bug tree-optimization/61279] [4.10 Regression] ICE in loop_preheader_edge, at cfgloop.c:1668 w/ -O1 -ftree-loop-vectorize rguenth at gcc dot gnu.org
2014-05-23 8:06 ` rguenth at gcc dot gnu.org
@ 2014-05-23 8:47 ` asolokha at gmx dot com
2014-05-25 16:12 ` asolokha at gmx dot com
2014-05-26 8:10 ` asolokha at gmx dot com
4 siblings, 0 replies; 5+ messages in thread
From: asolokha at gmx dot com @ 2014-05-23 8:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61279
--- Comment #3 from Arseny Solokha <asolokha at gmx dot com> ---
x86_64-pc-linux-gnu (both host and target), powerpc-e500v2-linux-gnuspe
(likewise).
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug tree-optimization/61279] [4.10 Regression] ICE in loop_preheader_edge, at cfgloop.c:1668 w/ -O1 -ftree-loop-vectorize
[not found] <bug-61279-4@http.gcc.gnu.org/bugzilla/>
` (2 preceding siblings ...)
2014-05-23 8:47 ` asolokha at gmx dot com
@ 2014-05-25 16:12 ` asolokha at gmx dot com
2014-05-26 8:10 ` asolokha at gmx dot com
4 siblings, 0 replies; 5+ messages in thread
From: asolokha at gmx dot com @ 2014-05-25 16:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61279
--- Comment #4 from Arseny Solokha <asolokha at gmx dot com> ---
I even have another reproducer which is basically identical to the original one
but not completely.
int t;
int n[1] = { 0 };
void
x(void)
{
int v;
int r;
int i[4] = { 0 };
for (v = 0; v < 1; ++v) {
++i[3];
for (r = 0; r < 1; ++r) {
for (t = 0; t < 1; ++t)
return;
for (t = 0; t < 1; ++t)
/* Irregardless of i's declared size, the ICE only occurs
when the array subscript on lines 18 and 11 is exactly 3
(I've checked only the nearest values, however). */
i[3] = n[t];
for (t = 0; t < 1; ++t)
return;
}
}
}
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug tree-optimization/61279] [4.10 Regression] ICE in loop_preheader_edge, at cfgloop.c:1668 w/ -O1 -ftree-loop-vectorize
[not found] <bug-61279-4@http.gcc.gnu.org/bugzilla/>
` (3 preceding siblings ...)
2014-05-25 16:12 ` asolokha at gmx dot com
@ 2014-05-26 8:10 ` asolokha at gmx dot com
4 siblings, 0 replies; 5+ messages in thread
From: asolokha at gmx dot com @ 2014-05-26 8:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61279
--- Comment #5 from Arseny Solokha <asolokha at gmx dot com> ---
OK, it seems to be accidentally fixed somewhere between the two snapshots as
now I'm also unable to reproduce it w/ 4.10.0-alpha20140525.
^ permalink raw reply [flat|nested] 5+ messages in thread