[Bug tree-optimization/21513] [4.0/4.1/4.2 Regression] __builtin_expect getting in the way of uninitialized warnings

[nemet at gcc dot gnu dot org]

------- Comment #8 from nemet at gcc dot gnu dot org  2007-09-05 19:54 -------
Subject: Bug 21513

Author: nemet
Date: Wed Sep  5 19:54:29 2007
New Revision: 128147

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128147
Log:
        PR tree-optimization/21513
        * builtins.c (build_builtin_expect_predicate): New function.
        (fold_builtin_expect): Add argument for expected value.
        Distribute __builtin_expect over short-circuiting operations.
        Fold nested builtin_expects.
        (fold_builtin_2): Adjust call to fold_builtin_expect.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21513