[Bug target/28181] [4.0/4.1/4.2/4.3 regression] ICE in reload_cse_simplify_operands, at postreload.c:393 on m68k

["rsandifo at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #11 from rsandifo at gcc dot gnu dot org  2007-03-06 09:01 -------
Subject: Bug 28181

Author: rsandifo
Date: Tue Mar  6 09:01:07 2007
New Revision: 122609

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122609
Log:
gcc/
        PR target/28181
        * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
        (m68k_preferred_reload_class): Likewise.
        * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
        (SECONDARY_RELOAD_CLASS): Define.
        (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
        (LIMIT_RELOAD_CLASS): Delete.
        * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
        registers from storing bytes.
        (m68k_secondary_reload_class): New function.
        (m68k_preferred_reload_class): Likewise.

gcc/testsuite/
        * gcc.c-torture/compile/m68k-byte-addr.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/m68k-byte-addr.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/m68k/m68k-protos.h
    trunk/gcc/config/m68k/m68k.c
    trunk/gcc/config/m68k/m68k.h
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28181