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* [Bug target/39722] New: [cond-optab] worse code with bitfields on v850 and mn10300
@ 2009-04-10 12:51 bonzini at gnu dot org
2009-04-14 8:30 ` [Bug target/39722] [cond-optab] worse code with bitfields on v850, mn10300, avr bonzini at gnu dot org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: bonzini at gnu dot org @ 2009-04-10 12:51 UTC (permalink / raw)
To: gcc-bugs
struct S
{
unsigned int s;
};
struct T
{
struct S t[2];
unsigned int u : 1;
};
void
foo (int x, int y, int z)
{
int i;
struct T t;
t.u = t.u;
for (i = 0; i < x; i++)
if (z != 1)
t.t[i].s = y || t.u;
}
--
Summary: [cond-optab] worse code with bitfields on v850 and
mn10300
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: bonzini at gnu dot org
OtherBugsDependingO 39714
nThis:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39722
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug target/39722] [cond-optab] worse code with bitfields on v850, mn10300, avr
2009-04-10 12:51 [Bug target/39722] New: [cond-optab] worse code with bitfields on v850 and mn10300 bonzini at gnu dot org
@ 2009-04-14 8:30 ` bonzini at gnu dot org
2009-05-12 12:07 ` [Bug target/39722] [4.5 Regression][cond-optab] " bonzini at gnu dot org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bonzini at gnu dot org @ 2009-04-14 8:30 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from bonzini at gnu dot org 2009-04-14 08:29 -------
Seems to be caused by a failure to simplify
(if_then_else (ne (zero_extract:SI (const_int 0 [0x0])
(const_int 1 [0x1])
(const_int 0 [0x0]))
(const_int 0 [0x0]))
(label_ref 71)
(pc)))
--
bonzini at gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[cond-optab] worse code with|[cond-optab] worse code with
|bitfields on v850 and |bitfields on v850, mn10300,
|mn10300 |avr
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39722
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug target/39722] [4.5 Regression][cond-optab] worse code with bitfields on v850, mn10300, avr
2009-04-10 12:51 [Bug target/39722] New: [cond-optab] worse code with bitfields on v850 and mn10300 bonzini at gnu dot org
2009-04-14 8:30 ` [Bug target/39722] [cond-optab] worse code with bitfields on v850, mn10300, avr bonzini at gnu dot org
@ 2009-05-12 12:07 ` bonzini at gnu dot org
2009-07-14 21:18 ` bonzini at gnu dot org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bonzini at gnu dot org @ 2009-05-12 12:07 UTC (permalink / raw)
To: gcc-bugs
--
bonzini at gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P4
Summary|[cond-optab] worse code with|[4.5 Regression][cond-optab]
|bitfields on v850, mn10300, |worse code with bitfields on
|avr |v850, mn10300, avr
Target Milestone|--- |4.5.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39722
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug target/39722] [4.5 Regression][cond-optab] worse code with bitfields on v850, mn10300, avr
2009-04-10 12:51 [Bug target/39722] New: [cond-optab] worse code with bitfields on v850 and mn10300 bonzini at gnu dot org
2009-04-14 8:30 ` [Bug target/39722] [cond-optab] worse code with bitfields on v850, mn10300, avr bonzini at gnu dot org
2009-05-12 12:07 ` [Bug target/39722] [4.5 Regression][cond-optab] " bonzini at gnu dot org
@ 2009-07-14 21:18 ` bonzini at gnu dot org
2010-04-06 11:37 ` rguenth at gcc dot gnu dot org
2010-07-31 9:32 ` [Bug target/39722] [4.5/4.6 " rguenth at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: bonzini at gnu dot org @ 2009-07-14 21:18 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from bonzini at gnu dot org 2009-07-14 21:17 -------
(This is gcc.c-torture/compile/20071128-1.c).
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39722
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/39722] [4.5 Regression][cond-optab] worse code with bitfields on v850, mn10300, avr
2009-04-10 12:51 [Bug target/39722] New: [cond-optab] worse code with bitfields on v850 and mn10300 bonzini at gnu dot org
` (2 preceding siblings ...)
2009-07-14 21:18 ` bonzini at gnu dot org
@ 2010-04-06 11:37 ` rguenth at gcc dot gnu dot org
2010-07-31 9:32 ` [Bug target/39722] [4.5/4.6 " rguenth at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-04-06 11:37 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from rguenth at gcc dot gnu dot org 2010-04-06 11:19 -------
GCC 4.5.0 is being released. Deferring to 4.5.1.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.5.0 |4.5.1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39722
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug target/39722] [4.5/4.6 Regression][cond-optab] worse code with bitfields on v850, mn10300, avr
2009-04-10 12:51 [Bug target/39722] New: [cond-optab] worse code with bitfields on v850 and mn10300 bonzini at gnu dot org
` (3 preceding siblings ...)
2010-04-06 11:37 ` rguenth at gcc dot gnu dot org
@ 2010-07-31 9:32 ` rguenth at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-07-31 9:32 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from rguenth at gcc dot gnu dot org 2010-07-31 09:29 -------
GCC 4.5.1 is being released, adjusting target milestone.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.5.1 |4.5.2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39722
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2010-07-31 9:30 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2009-04-10 12:51 [Bug target/39722] New: [cond-optab] worse code with bitfields on v850 and mn10300 bonzini at gnu dot org
2009-04-14 8:30 ` [Bug target/39722] [cond-optab] worse code with bitfields on v850, mn10300, avr bonzini at gnu dot org
2009-05-12 12:07 ` [Bug target/39722] [4.5 Regression][cond-optab] " bonzini at gnu dot org
2009-07-14 21:18 ` bonzini at gnu dot org
2010-04-06 11:37 ` rguenth at gcc dot gnu dot org
2010-07-31 9:32 ` [Bug target/39722] [4.5/4.6 " rguenth at gcc dot gnu dot org
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