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From: "segher at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/95737] PPC: Unnecessary extsw after negative less than
Date: Thu, 13 Jan 2022 12:19:08 +0000 [thread overview]
Message-ID: <bug-95737-4-SHLgstE6s1@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-95737-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95737
--- Comment #7 from Segher Boessenkool <segher at gcc dot gnu.org> ---
> Seems cmp+isel on P9 is sub-optimal.
For this particular test, perhaps. But it is better overall, at least some
years ago. It was benchmarked (with spec), on p9.
next prev parent reply other threads:[~2022-01-13 12:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-18 8:10 [Bug target/95737] New: " jens.seifert at de dot ibm.com
2020-06-19 16:40 ` [Bug target/95737] " wschmidt at gcc dot gnu.org
2020-06-19 16:42 ` wschmidt at gcc dot gnu.org
2020-06-19 17:43 ` jens.seifert at de dot ibm.com
2020-06-21 15:35 ` wschmidt at linux dot ibm.com
2020-06-21 16:30 ` segher at gcc dot gnu.org
2022-01-06 5:39 ` guihaoc at gcc dot gnu.org
2022-01-13 12:19 ` segher at gcc dot gnu.org [this message]
2022-01-13 16:34 ` segher at gcc dot gnu.org
2022-01-14 9:16 ` guihaoc at gcc dot gnu.org
2022-05-18 5:24 ` cvs-commit at gcc dot gnu.org
2022-07-29 2:52 ` guihaoc at gcc dot gnu.org
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