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* [Bug middle-end/17958] expand_divmod fails to optimize division of 64-bit quantity by small constant when BITS_PER_WORD is 32
[not found] <bug-17958-4@http.gcc.gnu.org/bugzilla/>
@ 2012-06-12 20:52 ` pinskia at gcc dot gnu.org
2021-05-04 12:32 ` rguenth at gcc dot gnu.org
2021-08-15 12:14 ` pinskia at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: pinskia at gcc dot gnu.org @ 2012-06-12 20:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17958
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|roger at eyesopen dot com |dtemirbulatov at gmail dot
| |com
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-06-12 20:52:43 UTC ---
http://gcc.gnu.org/ml/gcc-patches/2012-06/msg00450.html
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug middle-end/17958] expand_divmod fails to optimize division of 64-bit quantity by small constant when BITS_PER_WORD is 32
[not found] <bug-17958-4@http.gcc.gnu.org/bugzilla/>
2012-06-12 20:52 ` [Bug middle-end/17958] expand_divmod fails to optimize division of 64-bit quantity by small constant when BITS_PER_WORD is 32 pinskia at gcc dot gnu.org
@ 2021-05-04 12:32 ` rguenth at gcc dot gnu.org
2021-08-15 12:14 ` pinskia at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-05-04 12:32 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=17958
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug middle-end/17958] expand_divmod fails to optimize division of 64-bit quantity by small constant when BITS_PER_WORD is 32
[not found] <bug-17958-4@http.gcc.gnu.org/bugzilla/>
2012-06-12 20:52 ` [Bug middle-end/17958] expand_divmod fails to optimize division of 64-bit quantity by small constant when BITS_PER_WORD is 32 pinskia at gcc dot gnu.org
2021-05-04 12:32 ` rguenth at gcc dot gnu.org
@ 2021-08-15 12:14 ` pinskia at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-08-15 12:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=17958
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Target Milestone|--- |11.0
Status|ASSIGNED |RESOLVED
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Implemented by r11-5533, r11-5614 (PPC improvement), and r11-5648.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug middle-end/17958] expand_divmod fails to optimize division of 64-bit quantity by small constant when BITS_PER_WORD is 32
2004-10-12 22:48 [Bug rtl-optimization/17958] New: " zack at gcc dot gnu dot org
@ 2004-10-12 22:55 ` pinskia at gcc dot gnu dot org
0 siblings, 0 replies; 4+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-10-12 22:55 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-10-12 22:55 -------
not all constants though (power of 2 are fine) for an example 16:
mr r12,r3
srawi r11,r3,31
srawi r9,r11,31
srawi r10,r11,31
srwi r10,r9,28
li r9,0
addc r12,r10,r4
adde r11,r9,r3
srwi r4,r12,4
insrwi r4,r11,4,0
srawi r3,r11,4
Confirmed.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Component|rtl-optimization |middle-end
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2004-10-12 22:55:35
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17958
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2021-08-15 12:14 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-17958-4@http.gcc.gnu.org/bugzilla/>
2012-06-12 20:52 ` [Bug middle-end/17958] expand_divmod fails to optimize division of 64-bit quantity by small constant when BITS_PER_WORD is 32 pinskia at gcc dot gnu.org
2021-05-04 12:32 ` rguenth at gcc dot gnu.org
2021-08-15 12:14 ` pinskia at gcc dot gnu.org
2004-10-12 22:48 [Bug rtl-optimization/17958] New: " zack at gcc dot gnu dot org
2004-10-12 22:55 ` [Bug middle-end/17958] " pinskia at gcc dot gnu dot org
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