diff options
Diffstat (limited to 'gcc/unroll.c')
| -rw-r--r-- | gcc/unroll.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/gcc/unroll.c b/gcc/unroll.c index 6e545b0..0fe6256 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -841,9 +841,9 @@ unroll_loop (loop, insn_count, end_insert_before, strength_reduce_p) these pseudo registers have valid regno_first_uid info. */ for (r = FIRST_PSEUDO_REGISTER; r < max_reg_before_loop; ++r) if (REGNO_FIRST_UID (r) > 0 && REGNO_FIRST_UID (r) <= max_uid_for_loop - && uid_luid[REGNO_FIRST_UID (r)] >= copy_start_luid + && REGNO_FIRST_LUID (r) >= copy_start_luid && REGNO_LAST_UID (r) > 0 && REGNO_LAST_UID (r) <= max_uid_for_loop - && uid_luid[REGNO_LAST_UID (r)] <= copy_end_luid) + && REGNO_LAST_LUID (r) <= copy_end_luid) { /* However, we must also check for loop-carried dependencies. If the value the pseudo has at the end of iteration X is @@ -1457,7 +1457,7 @@ precondition_loop_p (loop, initial_value, final_value, increment, mode) /* Fail if loop_info->iteration_var is not live before loop_start, since we need to test its value in the preconditioning code. */ - if (uid_luid[REGNO_FIRST_UID (REGNO (loop_info->iteration_var))] + if (REGNO_FIRST_LUID (REGNO (loop_info->iteration_var)) > INSN_LUID (loop_start)) { if (loop_dump_stream) @@ -2469,10 +2469,10 @@ find_splittable_regs (loop, unroll_type, end_insert_before, unroll_number) biv_final_value = 0; if (unroll_type != UNROLL_COMPLETELY && (loop->exit_count || unroll_type == UNROLL_NAIVE) - && (uid_luid[REGNO_LAST_UID (bl->regno)] >= INSN_LUID (loop_end) + && (REGNO_LAST_LUID (bl->regno) >= INSN_LUID (loop_end) || ! bl->init_insn || INSN_UID (bl->init_insn) >= max_uid_for_loop - || (uid_luid[REGNO_FIRST_UID (bl->regno)] + || (REGNO_FIRST_LUID (bl->regno) < INSN_LUID (bl->init_insn)) || reg_mentioned_p (bl->biv->dest_reg, SET_SRC (bl->init_set))) && ! (biv_final_value = final_biv_value (loop, bl))) @@ -2698,7 +2698,7 @@ find_splittable_givs (loop, bl, unroll_type, increment, unroll_number) || (REGNO_FIRST_UID (REGNO (v->dest_reg)) != INSN_UID (XEXP (tem, 0))))) /* Line above always fails if INSN was moved by loop opt. */ - || (uid_luid[REGNO_LAST_UID (REGNO (v->dest_reg))] + || (REGNO_LAST_LUID (REGNO (v->dest_reg)) >= INSN_LUID (loop->end))) && ! (final_value = v->final_value)) continue; |