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* [Bug c/16066] New: [3.4 regression] loop strength reduction bug (wrong code)
@ 2004-06-18 20:16 debian-gcc at lists dot debian dot org
2004-06-18 20:17 ` [Bug c/16066] [3.4 regression] loop strength reduction bug debian-gcc at lists dot debian dot org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: debian-gcc at lists dot debian dot org @ 2004-06-18 20:16 UTC (permalink / raw)
To: gcc-bugs
[forwarded from http://bugs.debian.org/254659]
seen with 2.95, 3.0, 3,2, fixed in 3.3.4, seen in 3.4 20040613
the following code does not terminate when compiled with -O2 -march=i[34]86,
works ok with O2 -march=i[56]86,
#include <stdio.h>
inline void
h1(int *p) {
printf("%p\n", p);
}
void
h(int* p, int i) {
int j;
for(j = 0; j < 16; j++) {
h1(p + j);
}
}
int
main(int argc, char **argv) {
h((int *)0x7fffffc0, 0);
exit(0);
}
--
Summary: [3.4 regression] loop strength reduction bug (wrong
code)
Product: gcc
Version: 3.4.1
Status: UNCONFIRMED
Severity: critical
Priority: P2
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: debian-gcc at lists dot debian dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: i[34]86-linux
GCC host triplet: i[34]86-linux
GCC target triplet: i[34]86-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16066
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c/16066] [3.4 regression] loop strength reduction bug
2004-06-18 20:16 [Bug c/16066] New: [3.4 regression] loop strength reduction bug (wrong code) debian-gcc at lists dot debian dot org
@ 2004-06-18 20:17 ` debian-gcc at lists dot debian dot org
2004-06-18 20:18 ` debian-gcc at lists dot debian dot org
2004-06-18 20:26 ` pinskia at gcc dot gnu dot org
2 siblings, 0 replies; 4+ messages in thread
From: debian-gcc at lists dot debian dot org @ 2004-06-18 20:17 UTC (permalink / raw)
To: gcc-bugs
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |mark at codesourcery dot com
Keywords| |wrong-code
Summary|[3.4 regression] loop |[3.4 regression] loop
|strength reduction bug |strength reduction bug
|(wrong code) |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16066
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c/16066] [3.4 regression] loop strength reduction bug
2004-06-18 20:16 [Bug c/16066] New: [3.4 regression] loop strength reduction bug (wrong code) debian-gcc at lists dot debian dot org
2004-06-18 20:17 ` [Bug c/16066] [3.4 regression] loop strength reduction bug debian-gcc at lists dot debian dot org
@ 2004-06-18 20:18 ` debian-gcc at lists dot debian dot org
2004-06-18 20:26 ` pinskia at gcc dot gnu dot org
2 siblings, 0 replies; 4+ messages in thread
From: debian-gcc at lists dot debian dot org @ 2004-06-18 20:18 UTC (permalink / raw)
To: gcc-bugs
--
What |Removed |Added
----------------------------------------------------------------------------
Known to fail| |2.95.4 3.0.4 3.2 3.4.1
Known to work| |3.3.4
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16066
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c/16066] [3.4 regression] loop strength reduction bug
2004-06-18 20:16 [Bug c/16066] New: [3.4 regression] loop strength reduction bug (wrong code) debian-gcc at lists dot debian dot org
2004-06-18 20:17 ` [Bug c/16066] [3.4 regression] loop strength reduction bug debian-gcc at lists dot debian dot org
2004-06-18 20:18 ` debian-gcc at lists dot debian dot org
@ 2004-06-18 20:26 ` pinskia at gcc dot gnu dot org
2 siblings, 0 replies; 4+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-06-18 20:26 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-06-18 20:26 -------
*** This bug has been marked as a duplicate of 16052 ***
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |DUPLICATE
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16066
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2004-06-18 20:26 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2004-06-18 20:16 [Bug c/16066] New: [3.4 regression] loop strength reduction bug (wrong code) debian-gcc at lists dot debian dot org
2004-06-18 20:17 ` [Bug c/16066] [3.4 regression] loop strength reduction bug debian-gcc at lists dot debian dot org
2004-06-18 20:18 ` debian-gcc at lists dot debian dot org
2004-06-18 20:26 ` pinskia at gcc dot gnu dot org
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