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[Bug rtl-optimization/34490] [4.3 Regression] r128833 causes miscompilation of glibc clock_gettime.c
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Dec 2007 09:50:31 -0000
- Subject: [Bug rtl-optimization/34490] [4.3 Regression] r128833 causes miscompilation of glibc clock_gettime.c
- References: <bug-34490-87@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from jakub at gcc dot gnu dot org 2007-12-16 09:50 -------
simplify_const_relational_operation (LEU, DImode, (sign_extend:DI (reg:SI 59)),
(const_int -4096)) returns (const_int 1), which is wrong.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34490