http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54919
--- Comment #5 from Steven Bosscher <steven at gcc dot gnu.org> 2012-10-14 19:29:22 UTC --- Author: steven Date: Sun Oct 14 19:29:18 2012 New Revision: 192439 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192439 Log: gcc/ PR rtl-optimization/54919 * loop-unroll.c (struct var_to_expand): Remove accum_pos field. (analyze_insn_to_expand_var): Do not record accum_pos. (expand_var_during_unrolling): Use validate_replace_rtx_group to perform replacement of all references to SET_DEST (set) with the new register, including references in REG_EQUAL notes. (insert_var_expansion_initialization): Insert initializatio insns at the bottom of the pre-header of the loop. testsuite/ PR rtl-optimization/54919 * gcc.dg/pr54919.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/pr54919.c Modified: trunk/gcc/ChangeLog trunk/gcc/loop-unroll.c trunk/gcc/testsuite/ChangeLog
