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[Bug rtl-optimization/16541] code quality issue for bit manipulations with 64bit
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Jul 2004 16:28:19 -0000
- Subject: [Bug rtl-optimization/16541] code quality issue for bit manipulations with 64bit
- References: <20040714161713.16541.dann@godzilla.ics.uci.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-07-14 16:28 -------
Confirmed, basically 64bit and subregisters are not optimized that well on x86, see PR 15792 for
another example.
--
What |Removed |Added
----------------------------------------------------------------------------
BugsThisDependsOn| |15792
Severity|normal |enhancement
Status|UNCONFIRMED |NEW
Component|middle-end |rtl-optimization
Ever Confirmed| |1
GCC target triplet| |i686-pc-linux-gnu
Keywords| |missed-optimization
Last reconfirmed|0000-00-00 00:00:00 |2004-07-14 16:28:16
date| |
Summary|code quality issue for bit |code quality issue for bit
|manipulations |manipulations with 64bit
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16541