------- Comment #30 from rguenth at gcc dot gnu dot org 2006-07-24 08:26 ------- Subject: Bug 27639
Author: rguenth Date: Mon Jul 24 08:25:57 2006 New Revision: 115709 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=115709 Log: 2006-07-21 Richard Guenther <[EMAIL PROTECTED]> PR tree-optimization/27795 PR tree-optimization/27639 PR tree-optimization/26719 Backport from mainline 2006-05-24 Zdenek Dvorak <[EMAIL PROTECTED]> * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust call to scev_probably_wraps_p. * tree-ssa-loop-niter.c (compare_trees, convert_step_widening, used_in_pointer_arithmetic_p, convert_step): Removed. (nowrap_type_p): New function. (scev_probably_wraps_p): Rewritten. * tree-scalar-evolution.c (instantiate_parameters_1): Do not call chrec_convert if chrec_convert_aggressive might have been used. * tree-chrec.c (convert_affine_scev, chrec_convert_1, scev_direction): New functions. (chrec_convert): Changed to a wrapper over chrec_convert_1. * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev instead of convert_step. * tree-flow.h (scev_probably_wraps_p): Declaration changed. (convert_step): Declaration removed. (convert_affine_scev, nowrap_type_p, scev_direction): Declare. * gcc.dg/pr27639.c: New test. * gcc.dg/pr26719.c: New test. * gcc.dg/tree-ssa/scev-cast.c: New test. Added: branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/pr26719.c - copied unchanged from r114057, trunk/gcc/testsuite/gcc.dg/pr26719.c branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/pr27639.c - copied unchanged from r114057, trunk/gcc/testsuite/gcc.dg/pr27639.c branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/tree-ssa/scev-cast.c - copied unchanged from r114057, trunk/gcc/testsuite/gcc.dg/tree-ssa/scev-cast.c Modified: branches/gcc-4_1-branch/gcc/ChangeLog branches/gcc-4_1-branch/gcc/testsuite/ChangeLog branches/gcc-4_1-branch/gcc/tree-chrec.c branches/gcc-4_1-branch/gcc/tree-flow.h branches/gcc-4_1-branch/gcc/tree-scalar-evolution.c branches/gcc-4_1-branch/gcc/tree-ssa-loop-ivopts.c branches/gcc-4_1-branch/gcc/tree-ssa-loop-niter.c branches/gcc-4_1-branch/gcc/tree-vrp.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27639
