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* [Bug middle-end/20671] Poor bit-field code generation
[not found] <bug-20671-4@http.gcc.gnu.org/bugzilla/>
@ 2021-07-21 0:41 ` pinskia at gcc dot gnu.org
0 siblings, 0 replies; 4+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-07-21 0:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20671
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug middle-end/20671] Poor bit-field code generation
[not found] <bug-20671-7324@http.gcc.gnu.org/bugzilla/>
@ 2007-04-05 22:36 ` aoliva at gcc dot gnu dot org
0 siblings, 0 replies; 4+ messages in thread
From: aoliva at gcc dot gnu dot org @ 2007-04-05 22:36 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from aoliva at gcc dot gnu dot org 2007-04-05 23:36 -------
No change with the patch for PR 22156.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20671
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug middle-end/20671] Poor bit-field code generation
2005-03-28 19:25 [Bug ada/20671] New: " dave at synergy dot org
2005-03-28 22:52 ` [Bug middle-end/20671] " pinskia at gcc dot gnu dot org
@ 2005-03-28 23:35 ` dave at synergy dot org
1 sibling, 0 replies; 4+ messages in thread
From: dave at synergy dot org @ 2005-03-28 23:35 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From dave at synergy dot org 2005-03-28 23:34 -------
gnatmake -O3 bit_test
objdump --disassemble -r bit_test.o
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20671
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug middle-end/20671] Poor bit-field code generation
2005-03-28 19:25 [Bug ada/20671] New: " dave at synergy dot org
@ 2005-03-28 22:52 ` pinskia at gcc dot gnu dot org
2005-03-28 23:35 ` dave at synergy dot org
1 sibling, 0 replies; 4+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-03-28 22:52 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-03-28 22:52 -------
Don't worry about it, I can reproduce it on PPC:
lwz r0,0(r12)
rlwinm r3,r0,0,1,31
mr r4,r3
stw r3,0(r12)
rlwimi r4,r0,0,1,1
mr r5,r4
stw r4,0(r12)
Trying to find an equivalent C testcase. Though it is hard.
--
What |Removed |Added
----------------------------------------------------------------------------
OtherBugsDependingO| |19466
nThis| |
Status|UNCONFIRMED |NEW
Component|ada |middle-end
Ever Confirmed| |1
Keywords| |missed-optimization
Last reconfirmed|0000-00-00 00:00:00 |2005-03-28 22:52:30
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20671
^ permalink raw reply [flat|nested] 4+ messages in thread
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[not found] <bug-20671-4@http.gcc.gnu.org/bugzilla/>
2021-07-21 0:41 ` [Bug middle-end/20671] Poor bit-field code generation pinskia at gcc dot gnu.org
[not found] <bug-20671-7324@http.gcc.gnu.org/bugzilla/>
2007-04-05 22:36 ` aoliva at gcc dot gnu dot org
2005-03-28 19:25 [Bug ada/20671] New: " dave at synergy dot org
2005-03-28 22:52 ` [Bug middle-end/20671] " pinskia at gcc dot gnu dot org
2005-03-28 23:35 ` dave at synergy dot org
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