[Bug rtl-optimization/54157] [x32] -maddress-mode=long failures

[hjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54157

--- Comment #5 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2012-08-08 
13:39:41 UTC ---
Author: hjl
Date: Wed Aug  8 13:39:33 2012
New Revision: 190228

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190228
Log:
Don't return identity for CONST or symbolic reference

gcc/

    PR rtl-optimization/54157
    * combine.c (gen_lowpart_for_combine): Don't return identity
    for CONST or symbolic reference.

gcc/testsuite/

    PR rtl-optimization/54157
    * gcc.target/i386/pr54157.c: New file.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr54157.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog