https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48863
--- Comment #6 from ktkachov at gcc dot gnu.org --- Author: ktkachov Date: Thu Nov 24 15:22:34 2016 New Revision: 242840 URL: https://gcc.gnu.org/viewcvs?rev=242840&root=gcc&view=rev Log: [TER] PR target/48863 : Don't replace expressions across local register variable definitions PR target/48863 PR inline-asm/70184 * tree-ssa-ter.c (temp_expr_table): Add reg_vars_cnt field. (new_temp_expr_table): Initialise reg_vars_cnt. (free_temp_expr_table): Release reg_vars_cnt. (process_replaceable): Add reg_vars_cnt argument, set reg_vars_cnt field of TAB. (find_replaceable_in_bb): Use the above to record register variable write occurrences and cancel replacement across them. * gcc.target/arm/pr48863.c: New test. Added: trunk/gcc/testsuite/gcc.target/arm/pr48863.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-ter.c
