[Bug middle-end/29695] [4.1/4.2/4.3 Regression] Folding breaks (a & 0x80) ? 0x80 : 0 for unsigned char or unsigned short a

[jakub at gcc dot gnu dot org]

------- Comment #3 from jakub at gcc dot gnu dot org  2006-11-05 12:18 -------
Subject: Bug 29695

Author: jakub
Date: Sun Nov  5 12:18:03 2006
New Revision: 118498

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=118498
Log:
        PR middle-end/29695
        * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
        simplification.

        * gcc.c-torture/execute/pr29695-1.c: New test.
        * gcc.c-torture/execute/pr29695-2.c: New test.

Added:
    branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr29695-1.c
    branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr29695-2.c
Modified:
    branches/gcc-4_2-branch/gcc/ChangeLog
    branches/gcc-4_2-branch/gcc/fold-const.c
    branches/gcc-4_2-branch/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29695