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[Bug target/19597] [4.0 Regression] avr-gcc 4.0, multiplication by constant, very long code
- 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: 24 Jan 2005 08:16:57 -0000
- Subject: [Bug target/19597] [4.0 Regression] avr-gcc 4.0, multiplication by constant, very long code
- References: <20050123225538.19597.dmixm@marine.febras.ru>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-01-24 08:16 -------
(In reply to comment #4)
> But to summarise, this is a target bug.
That is what I thought.
Anyways Roger posted a patch to rewrite rtx_cost for AVR to fix this bug here: <http://gcc.gnu.org/ml/
gcc-patches/2005-01/msg01698.html> It might also improve other things too because of the
mentioned items in that mail.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19597