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From: "avi@cloudius-systems.com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/46091] missed optimization: x86 bt/btc/bts instructions Date: Mon, 18 Aug 2014 19:39:00 -0000 [thread overview] Message-ID: <bug-46091-4-bcXHGBqSZH@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-46091-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46091 Avi Kivity <avi@cloudius-systems.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |avi@cloudius-systems.com --- Comment #1 from Avi Kivity <avi@cloudius-systems.com> --- This is even more important in conjunction with _Atomic. Note the code as posted cannot be optimized to use bts, since the BitOffset operand is signed.
prev parent reply other threads:[~2014-08-18 19:39 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-10-20 5:42 [Bug target/46091] New: " jay.krell at cornell dot edu 2010-10-27 20:36 ` [Bug target/46091] " pinskia at gcc dot gnu.org 2014-08-18 19:39 ` avi@cloudius-systems.com [this message]
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