[Bug rtl-optimization/49145] ICE in simplify_const_unary_operation, at simplify-rtx.c:1322

[rsandifo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49145

--- Comment #2 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
2011-06-06 18:16:21 UTC ---
Author: rsandifo
Date: Mon Jun  6 18:16:18 2011
New Revision: 174718

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174718
Log:
gcc/
    PR rtl-optimization/49145
    * combine.c (make_compound_operation): Handle ZERO_EXTEND specially.

gcc/testsuite/
    PR rtl-optimization/49145
    From Ryan Mansfield
    * gcc.c-torture/compile/pr49145.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr49145.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog