[Bug middle-end/40057] Incorrect right shift by 31 with long long

[jakub at gcc dot gnu dot org]

------- Comment #9 from jakub at gcc dot gnu dot org  2009-05-07 15:53 -------
Subject: Bug 40057

Author: jakub
Date: Thu May  7 15:53:11 2009
New Revision: 147245

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147245
Log:
        PR middle-end/40057
        * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
        GEN_INT for 1 << bitnum.
        (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
        build_int_cst_type.

        * gcc.c-torture/execute/pr40057.c: New test.

Added:
    branches/gcc-4_3-branch/gcc/testsuite/gcc.c-torture/execute/pr40057.c
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/dojump.c
    branches/gcc-4_3-branch/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40057