------- Comment #23 from rakdver at gcc dot gnu dot org 2008-11-20 08:06 ------- Subject: Bug 32283
Author: rakdver Date: Thu Nov 20 08:05:12 2008 New Revision: 142035 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142035 Log: PR rtl-optimization/32283 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Use type of the base of the induction variable to decide whether it may wrap. * tree-ssa-loop-ivopts.c (rewrite_use_compare): Emit the initialization of the bound before the loop. * simplify-rtx.c (simplify_binary_operation_1): Add two simplifications regarding AND. (simplify_plus_minus): Only fail if no simplification is possible. * loop-iv.c (simple_rhs_p): Consider reg + reg and reg << cst simple. Modified: trunk/gcc/ChangeLog trunk/gcc/loop-iv.c trunk/gcc/simplify-rtx.c trunk/gcc/tree-ssa-loop-ivopts.c trunk/gcc/tree-ssa-loop-niter.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32283
