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[Bug rtl-optimization/23478] [3.4 regression] Miscompilation due to reloading of a var that is also used in EH pad
- From: "rth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Aug 2005 18:32:44 -0000
- Subject: [Bug rtl-optimization/23478] [3.4 regression] Miscompilation due to reloading of a var that is also used in EH pad
- References: <20050819110806.23478.jakub@redhat.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From rth at gcc dot gnu dot org 2005-08-19 18:32 -------
I think it's caller-save's bug.
The use of fixup_abnormal_edges in reload and reg-stack is to move output
reloads to the fallthru edge. Well, the output reloads are not used on
the eh edge, because by definition the output was not generated.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23478