------- Comment #2 from jakub at gcc dot gnu dot org 2010-09-13 21:00 ------- Subject: Bug 45617
Author: jakub Date: Mon Sep 13 21:00:03 2010 New Revision: 164257 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164257 Log: PR rtl-optimization/45617 * combine.c (simplify_comparison): Optimize (X >> N) {>,>=,<,<=} C even if low N bits of X aren't known to be zero. * gcc.target/i386/pr45617.c: New test. Added: trunk/gcc/testsuite/gcc.target/i386/pr45617.c Modified: trunk/gcc/ChangeLog trunk/gcc/combine.c trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45617
