[Bug rtl-optimization/24257] [4.1 Regression] ICE: in extract_insn with -O -fgcse -fgcse-sm

[rguenth at gcc dot gnu dot org]

------- Comment #16 from rguenth at gcc dot gnu dot org  2006-01-16 09:37 -------
Subject: Bug 24257

Author: rguenth
Date: Mon Jan 16 09:37:10 2006
New Revision: 109744

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=109744
Log:
2006-01-16  Steven Bosscher  <stevenb.gcc@gmail.com>
        Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/24257
        * gcse.c (find_moveable_store): Only consider a store movable
        when the SET_SRC of the insn can be assigned to a register.

        * gcc.dg/torture/pr24257.c: New testcase.

Added:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/torture/pr24257.c
Modified:
    branches/gcc-4_1-branch/gcc/ChangeLog
    branches/gcc-4_1-branch/gcc/gcse.c
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24257