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* [Bug target/106545] New: peephole.md seems like it should not exist
@ 2022-08-06 4:59 pinskia at gcc dot gnu.org
2022-08-10 22:47 ` [Bug target/106545] " vineetg at rivosinc dot com
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: pinskia at gcc dot gnu.org @ 2022-08-06 4:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106545
Bug ID: 106545
Summary: peephole.md seems like it should not exist
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: pinskia at gcc dot gnu.org
Target Milestone: ---
Target: riscv
There is one peephole2 in there for:
Simplify (unsigned long)(unsigned int)a << const
But that should really be handled in generic code in simplify-rtx/combine
already.
If it is not, then it should be added.
^ permalink raw reply [flat|nested] 4+ messages in thread* [Bug target/106545] peephole.md seems like it should not exist 2022-08-06 4:59 [Bug target/106545] New: peephole.md seems like it should not exist pinskia at gcc dot gnu.org @ 2022-08-10 22:47 ` vineetg at rivosinc dot com 2023-05-19 5:02 ` pinskia at gcc dot gnu.org 2023-05-19 5:14 ` pinskia at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: vineetg at rivosinc dot com @ 2022-08-10 22:47 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106545 Vineet Gupta <vineetg at rivosinc dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |vineetg at rivosinc dot com --- Comment #1 from Vineet Gupta <vineetg at rivosinc dot com> --- How do I assign this to myself, can this only be done by maintainers ? ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/106545] peephole.md seems like it should not exist 2022-08-06 4:59 [Bug target/106545] New: peephole.md seems like it should not exist pinskia at gcc dot gnu.org 2022-08-10 22:47 ` [Bug target/106545] " vineetg at rivosinc dot com @ 2023-05-19 5:02 ` pinskia at gcc dot gnu.org 2023-05-19 5:14 ` pinskia at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: pinskia at gcc dot gnu.org @ 2023-05-19 5:02 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106545 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |vineetg at gcc dot gnu.org Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2023-05-19 Ever confirmed|0 |1 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Vineet Gupta from comment #1) > How do I assign this to myself, can this only be done by maintainers ? You use your @gcc.gnu.org email. ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/106545] peephole.md seems like it should not exist 2022-08-06 4:59 [Bug target/106545] New: peephole.md seems like it should not exist pinskia at gcc dot gnu.org 2022-08-10 22:47 ` [Bug target/106545] " vineetg at rivosinc dot com 2023-05-19 5:02 ` pinskia at gcc dot gnu.org @ 2023-05-19 5:14 ` pinskia at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: pinskia at gcc dot gnu.org @ 2023-05-19 5:14 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106545 --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Note I see XTheadMemPair code has been added to peephole.md which is good to have it away. But again the first peephole is also handled differently already via zero_extendsidi2_shifted which was added in r11-745-gd5cdcd5cf2b292 but it was not until r13-4907-g2e886eef7f2b5a when we started to optimizing the following code: unsigned long f(unsigned long a) { a <<= 32; a >>= 32; a <<= 10; return a; } ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2023-05-19 5:14 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-08-06 4:59 [Bug target/106545] New: peephole.md seems like it should not exist pinskia at gcc dot gnu.org 2022-08-10 22:47 ` [Bug target/106545] " vineetg at rivosinc dot com 2023-05-19 5:02 ` pinskia at gcc dot gnu.org 2023-05-19 5:14 ` pinskia at gcc dot gnu.org
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