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[Bug bootstrap/45445] [4.6 regression] ARM bootstrap failure: comparison failures after stage 3
- From: "mikpe at it dot uu dot se" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 20 Sep 2010 22:05:22 -0000
- Subject: [Bug bootstrap/45445] [4.6 regression] ARM bootstrap failure: comparison failures after stage 3
- References: <bug-45445-7665@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #18 from mikpe at it dot uu dot se 2010-09-20 22:05 -------
It's the 17 line if-for-return block headed by
/* Check whether its cheaper to implement a left shift by a constant
bit count by a sequence of additions. */
that gets miscompiled by stage1, which makes sense given the observed effects.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45445