[Bug middle-end/26379] [4.0/4.1/4.2 Regression] ICE on vector shift RTL simplification

[jakub at gcc dot gnu dot org]

------- Comment #3 from jakub at gcc dot gnu dot org  2006-02-21 08:09 -------
Subject: Bug 26379

Author: jakub
Date: Tue Feb 21 08:09:08 2006
New Revision: 111328

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=111328
Log:
        PR middle-end/26379
        * combine.c (simplify_shift_const_1): Disable nested shifts
        optimization for vector shifts.

        * gcc.target/i386/mmx-7.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/mmx-7.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26379