[Bug middle-end/55259] plus_constant doesn't handle zero-extended address properly

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55259



--- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-11-11 
21:52:53 UTC ---

Author: ebotcazou

Date: Sun Nov 11 21:52:49 2012

New Revision: 193415



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193415

Log:

    PR rtl-optimization/55247

    PR middle-end/55259

    * emit-rtl.c (adjust_address_1): If POINTERS_EXTEND_UNSIGNED > 0,

    handle ZERO_EXTEND.

    * recog.c (offsettable_address_addr_space_p): Likewise.



Added:

    trunk/gcc/testsuite/gcc.target/i386/pr55247-2.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/emit-rtl.c

    trunk/gcc/recog.c

    trunk/gcc/testsuite/ChangeLog