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From: "linkw at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/102059] Incorrect always_inline diagnostic in LTO mode with #pragma GCC target("cpu=power10")
Date: Thu, 26 Aug 2021 09:02:26 +0000	[thread overview]
Message-ID: <bug-102059-4-jto0RcRMs2@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-102059-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102059

--- Comment #15 from Kewen Lin <linkw at gcc dot gnu.org> ---
(In reply to Florian Weimer from comment #12)
> (In reply to Richard Biener from comment #10)
> > As of HTM it would make the testcase a user error - when using -mcpu=power10
> > it would require building with -mcpu=power8 -mno-htm?
> 
> Or -mcpu=power8 should imply -mno-htm. It's not 100% compatible for sure,
> but so is removing a feature from a later CPU that was present in an earlier
> version and enabled by default in GCC. I suspect it's better to take the
> compatibility hit at run time, rather than later at run time (once the users
> get their hands on POWER10 hardware).

Not sure if we faced similar situations before, both power8 and power9 support
HTM, looking forward to the inputs from port maintainers and experts.

  parent reply	other threads:[~2021-08-26  9:02 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-25  9:42 [Bug lto/102059] New: " fw at gcc dot gnu.org
2021-08-25  9:49 ` [Bug ipa/102059] " rguenth at gcc dot gnu.org
2021-08-25  9:54 ` marxin at gcc dot gnu.org
2021-08-25 11:49 ` chip.kerchner at ibm dot com
2021-08-25 13:25 ` marxin at gcc dot gnu.org
2021-08-25 13:30 ` marxin at gcc dot gnu.org
2021-08-25 13:34 ` marxin at gcc dot gnu.org
2021-08-25 13:44 ` marxin at gcc dot gnu.org
2021-08-25 15:34 ` linkw at gcc dot gnu.org
2021-08-26  6:26 ` linkw at gcc dot gnu.org
2021-08-26  8:20 ` rguenth at gcc dot gnu.org
2021-08-26  8:24 ` rguenth at gcc dot gnu.org
2021-08-26  8:34 ` fw at gcc dot gnu.org
2021-08-26  8:45 ` linkw at gcc dot gnu.org
2021-08-26  8:56 ` linkw at gcc dot gnu.org
2021-08-26  9:02 ` linkw at gcc dot gnu.org [this message]
2021-08-26  9:04 ` marxin at gcc dot gnu.org
2021-08-26  9:29 ` linkw at gcc dot gnu.org
2021-08-26  9:34 ` linkw at gcc dot gnu.org
2021-08-26 18:46 ` meissner at gcc dot gnu.org
2021-09-01  7:10 ` linkw at gcc dot gnu.org
2021-09-14 14:09 ` chip.kerchner at ibm dot com
2021-09-14 14:11 ` chip.kerchner at ibm dot com
2021-09-15  9:57 ` linkw at gcc dot gnu.org
2021-09-15 12:19 ` chip.kerchner at ibm dot com
2021-11-26  2:07 ` linkw at gcc dot gnu.org
2022-01-05  3:26 ` cvs-commit at gcc dot gnu.org
2022-02-04 18:55 ` pc at gcc dot gnu.org
2022-02-04 19:33 ` dan at danny dot cz
2022-02-04 20:15 ` bergner at gcc dot gnu.org
2022-02-05  2:50 ` linkw at gcc dot gnu.org
2022-02-08 21:53 ` meissner at gcc dot gnu.org
2022-02-09  2:33 ` linkw at gcc dot gnu.org
2022-02-09  3:20 ` linkw at gcc dot gnu.org
2022-02-09  7:21 ` rguenth at gcc dot gnu.org
2022-02-09  7:35 ` linkw at gcc dot gnu.org
2022-03-15  6:38 ` linkw at gcc dot gnu.org
2022-05-05 18:14 ` bergner at gcc dot gnu.org
2022-05-06 16:41 ` cvs-commit at gcc dot gnu.org
2022-05-06 19:03 ` cvs-commit at gcc dot gnu.org
2022-05-06 21:45 ` cvs-commit at gcc dot gnu.org
2022-05-19 21:20 ` cvs-commit at gcc dot gnu.org
2022-05-19 21:25 ` bergner at gcc dot gnu.org

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