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* [Bug tree-optimization/89163] Missed optimization: sar and shr equivalent for non-negative numbers [not found] <bug-89163-4@http.gcc.gnu.org/bugzilla/> @ 2021-08-10 4:50 ` pinskia at gcc dot gnu.org 2024-03-20 12:42 ` xry111 at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 4+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-08-10 4:50 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89163 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |enhancement Last reconfirmed|2019-02-04 00:00:00 |2021-8-9 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/89163] Missed optimization: sar and shr equivalent for non-negative numbers [not found] <bug-89163-4@http.gcc.gnu.org/bugzilla/> 2021-08-10 4:50 ` [Bug tree-optimization/89163] Missed optimization: sar and shr equivalent for non-negative numbers pinskia at gcc dot gnu.org @ 2024-03-20 12:42 ` xry111 at gcc dot gnu.org 2024-03-20 12:44 ` xry111 at gcc dot gnu.org 2024-03-20 14:07 ` Explorer09 at gmail dot com 3 siblings, 0 replies; 4+ messages in thread From: xry111 at gcc dot gnu.org @ 2024-03-20 12:42 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89163 Xi Ruoyao <xry111 at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |Explorer09 at gmail dot com --- Comment #2 from Xi Ruoyao <xry111 at gcc dot gnu.org> --- *** Bug 114406 has been marked as a duplicate of this bug. *** ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/89163] Missed optimization: sar and shr equivalent for non-negative numbers [not found] <bug-89163-4@http.gcc.gnu.org/bugzilla/> 2021-08-10 4:50 ` [Bug tree-optimization/89163] Missed optimization: sar and shr equivalent for non-negative numbers pinskia at gcc dot gnu.org 2024-03-20 12:42 ` xry111 at gcc dot gnu.org @ 2024-03-20 12:44 ` xry111 at gcc dot gnu.org 2024-03-20 14:07 ` Explorer09 at gmail dot com 3 siblings, 0 replies; 4+ messages in thread From: xry111 at gcc dot gnu.org @ 2024-03-20 12:44 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89163 Xi Ruoyao <xry111 at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |xry111 at gcc dot gnu.org --- Comment #3 from Xi Ruoyao <xry111 at gcc dot gnu.org> --- Maybe we can at least perform the canonization for shifting a constant as 114406 requests. ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/89163] Missed optimization: sar and shr equivalent for non-negative numbers [not found] <bug-89163-4@http.gcc.gnu.org/bugzilla/> ` (2 preceding siblings ...) 2024-03-20 12:44 ` xry111 at gcc dot gnu.org @ 2024-03-20 14:07 ` Explorer09 at gmail dot com 3 siblings, 0 replies; 4+ messages in thread From: Explorer09 at gmail dot com @ 2024-03-20 14:07 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89163 --- Comment #4 from Kang-Che Sung <Explorer09 at gmail dot com> --- (In reply to Xi Ruoyao from comment #2) > *** Bug 114406 has been marked as a duplicate of this bug. *** I can't say bug 114406 is an exact duplicate of this one. Although my report mainly addresses right shift, I also mentioned division, modulo and multiplication. These can also be optimized where the signedness of the operations do not matter. ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2024-03-20 14:07 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- [not found] <bug-89163-4@http.gcc.gnu.org/bugzilla/> 2021-08-10 4:50 ` [Bug tree-optimization/89163] Missed optimization: sar and shr equivalent for non-negative numbers pinskia at gcc dot gnu.org 2024-03-20 12:42 ` xry111 at gcc dot gnu.org 2024-03-20 12:44 ` xry111 at gcc dot gnu.org 2024-03-20 14:07 ` Explorer09 at gmail dot com
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