------- Comment #70 from rguenth at gcc dot gnu dot org 2009-05-26 10:17 ------- Subject: Bug 32044
Author: rguenth Date: Tue May 26 10:17:19 2009 New Revision: 147865 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147865 Log: 2009-05-26 Richard Guenther <rguent...@suse.de> Backport from mainline 2008-12-12 Zdenek Dvorak <o...@ucw.cz> PR tree-optimization/32044 * tree-scalar-evolution.h (expression_expensive_p): Declare. * tree-scalar-evolution.c (expression_expensive_p): New function. (scev_const_prop): Avoid introducing expensive expressions. * tree-ssa-loop-ivopts.c (may_eliminate_iv): Ditto. * gcc.dg/pr34027-1.c: Change outcome. * gcc.dg/tree-ssa/pr32044.c: New test. Added: branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/tree-ssa/pr32044.c Modified: branches/gcc-4_3-branch/gcc/ChangeLog branches/gcc-4_3-branch/gcc/testsuite/ChangeLog branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/pr34027-1.c branches/gcc-4_3-branch/gcc/tree-scalar-evolution.c branches/gcc-4_3-branch/gcc/tree-scalar-evolution.h branches/gcc-4_3-branch/gcc/tree-ssa-loop-ivopts.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32044
