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[Bug target/12898] [3.4 Regression] Tru64 UNIX bootstrap failure: ICE in gen_reg_rtx, at emit-rtl.c:819
- From: "zack at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 2 Dec 2003 01:17:00 -0000
- Subject: [Bug target/12898] [3.4 Regression] Tru64 UNIX bootstrap failure: ICE in gen_reg_rtx, at emit-rtl.c:819
- References: <20031104192020.12898.ro@techfak.uni-bielefeld.de>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From zack at gcc dot gnu dot org 2003-12-02 01:16 -------
In addition to Richard's comments, the patch itself is not right, because you
must never call gen_rtx_REG directly. There is exactly one REG rtx for a given
REGNO, and the register allocator relies on this. I think it is wrong to use
copy_to_suggested_reg at all in this context.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12898