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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/109370] Missed optimization for std::optional branchless unwrapping Date: Tue, 11 Apr 2023 11:59:48 +0000 [thread overview] Message-ID: <bug-109370-4-jIXIYI296M@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-109370-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109370 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Component|middle-end |rtl-optimization --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- Note we would need to know that dereferencing 'o' is OK (not sure if RTL knows this), and this if-conversion is certainly RTL territorry because of costing. On x86 I'd expect the branchy version to be faster.
prev parent reply other threads:[~2023-04-11 11:59 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-04-01 16:52 [Bug middle-end/109370] New: " andre.schackier at gmail dot com 2023-04-01 16:53 ` [Bug middle-end/109370] " pinskia at gcc dot gnu.org 2023-04-01 16:59 ` pinskia at gcc dot gnu.org 2023-04-11 11:59 ` rguenth at gcc dot gnu.org [this message]
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