From a1b0a968ee7123151335f60c9a9b82bc212fa403 Mon Sep 17 00:00:00 2001 From: zadeck Date: Thu, 18 Dec 2008 13:38:39 +0000 Subject: 2008-12-18 Kenneth Zadeck PR rtl-optimization/37922 * dse.c (bb_info): Added regs_live field. (look_for_hardregs): New function. (replace_read): Added regs_live parameter and code to check that shift sequence does not clobber live hardregs. (check_mem_read_rtx): Added parameter to replace_read. (dse_step1): Added regs_live bitmap and initialize it. (rest_of_handle_dse): Added DF_NOTES problem and earlier call to df_analyze. * df-problems.c Renamed to df_simulate_initialize_backwards. (df_simulate_one_insn): Renamed to df_simulate_one_insn_backwards. (df_simulate_artificial_refs_at_top): Renamed to df_simulate_finalize_backwards. (df_simulate_initialized_forwards, df_simulate_one_insn_forwards, df_simulate_finalize_backwards): New functions. * df.h (df_simulate_artificial_refs_at_end): Renamed to df_simulate_initialize_backwards. (df_simulate_one_insn): Renamed to df_simulate_one_insn_backwards. (df_simulate_artificial_refs_at_top): Renamed to df_simulate_finalize_backwards. (df_simulate_initialized_forwards, df_simulate_one_insn_forwards, df_simulate_finalize_backwards): New functions. * ra-conflict.c (global_conflicts): Renamed df_simulate_artificial_refs_at_end to df_simulate_initialize_backwards. * sel-sched.c (propagate_lv_set): Renamed df_simulate_one_insn to df_simulate_one_insn_backwards. * ifcvt.c (dead_or_predicable): Renamed df_simulate_artificial_refs_at_end to df_simulate_initialize_backwards. Renamed df_simulate_one_insn to df_simulate_one_insn_backwards. * recog.c (peephole2_optimize): Ditto. * rtl-factoring (collect_pattern_seqs, clear_regs_live_in_seq): Ditto. 2008-12-18 Kenneth Zadeck PR rtl-optimization/37922 * g++.dg/torture/pr37922.C: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@142809 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/df.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'gcc/df.h') diff --git a/gcc/df.h b/gcc/df.h index 979065aa269..5cd5dfccb25 100644 --- a/gcc/df.h +++ b/gcc/df.h @@ -959,9 +959,12 @@ extern void df_note_add_problem (void); extern void df_simulate_find_defs (rtx, bitmap); extern void df_simulate_defs (rtx, bitmap); extern void df_simulate_uses (rtx, bitmap); -extern void df_simulate_artificial_refs_at_end (basic_block, bitmap); -extern void df_simulate_one_insn (basic_block, rtx, bitmap); -extern void df_simulate_artificial_refs_at_top (basic_block, bitmap); +extern void df_simulate_initialize_backwards (basic_block, bitmap); +extern void df_simulate_one_insn_backwards (basic_block, rtx, bitmap); +extern void df_simulate_finalize_backwards (basic_block, bitmap); +extern void df_simulate_initialize_forwards (basic_block, bitmap); +extern void df_simulate_one_insn_forwards (basic_block, rtx, bitmap); +extern void df_simulate_finalize_forwards (basic_block, bitmap); /* Functions defined in df-scan.c. */ -- cgit v1.2.1