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[Bug middle-end/18041] OR of two single-bit bitfields is inefficient
- 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: 7 Feb 2005 06:02:43 -0000
- Subject: [Bug middle-end/18041] OR of two single-bit bitfields is inefficient
- References: <20041017163605.18041.kazu@cs.umass.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-02-07 06:02 -------
This is a much harder problem than doing a simplification at combine time because we have five
instructions to worry about.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18041