diff options
Diffstat (limited to 'gcc-4.9/gcc/haifa-sched.c')
| -rw-r--r-- | gcc-4.9/gcc/haifa-sched.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc-4.9/gcc/haifa-sched.c b/gcc-4.9/gcc/haifa-sched.c index 2d66e5cab..653cb8272 100644 --- a/gcc-4.9/gcc/haifa-sched.c +++ b/gcc-4.9/gcc/haifa-sched.c @@ -2972,7 +2972,7 @@ advance_one_cycle (void) { advance_state (curr_state); if (sched_verbose >= 6) - fprintf (sched_dump, ";;\tAdvanced a state.\n"); + fprintf (sched_dump, ";;\tAdvance the current state.\n"); } /* Update register pressure after scheduling INSN. */ @@ -6007,6 +6007,7 @@ schedule_block (basic_block *target_bb, state_t init_state) modulo_insns_scheduled = 0; ls.modulo_epilogue = false; + ls.first_cycle_insn_p = true; /* Loop until all the insns in BB are scheduled. */ while ((*current_sched_info->schedule_more_p) ()) @@ -6077,7 +6078,6 @@ schedule_block (basic_block *target_bb, state_t init_state) if (must_backtrack) goto do_backtrack; - ls.first_cycle_insn_p = true; ls.shadows_only_p = false; cycle_issued_insns = 0; ls.can_issue_more = issue_rate; @@ -6363,11 +6363,13 @@ schedule_block (basic_block *target_bb, state_t init_state) break; } } + ls.first_cycle_insn_p = true; } if (ls.modulo_epilogue) success = true; end_schedule: - advance_one_cycle (); + if (!ls.first_cycle_insn_p) + advance_one_cycle (); perform_replacements_new_cycle (); if (modulo_ii > 0) { |