diff options
Diffstat (limited to 'gcc/reorg.c')
| -rw-r--r-- | gcc/reorg.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/gcc/reorg.c b/gcc/reorg.c index c734a78571c..68e991c0a0d 100644 --- a/gcc/reorg.c +++ b/gcc/reorg.c @@ -182,7 +182,7 @@ skip_consecutive_labels (rtx label_or_return) return label; } -#ifdef HAVE_cc0 +#if HAVE_cc0 /* INSN uses CC0 and is being moved into a delay slot. Set up REG_CC_SETTER and REG_CC_USER notes so we can find it. */ @@ -699,7 +699,7 @@ delete_scheduled_jump (rtx_insn *insn) be other insns that became dead anyway, which we wouldn't know to delete. */ -#ifdef HAVE_cc0 +#if HAVE_cc0 if (reg_mentioned_p (cc0_rtx, insn)) { rtx note = find_reg_note (insn, REG_CC_SETTER, NULL_RTX); @@ -1171,7 +1171,7 @@ steal_delay_list_from_target (rtx_insn *insn, rtx condition, rtx_sequence *seq, if (insn_references_resource_p (trial, sets, false) || insn_sets_resource_p (trial, needed, false) || insn_sets_resource_p (trial, sets, false) -#ifdef HAVE_cc0 +#if HAVE_cc0 /* If TRIAL sets CC0, we can't copy it, so we can't steal this delay list. */ || find_reg_note (trial, REG_CC_USER, NULL_RTX) @@ -1279,7 +1279,7 @@ steal_delay_list_from_fallthrough (rtx_insn *insn, rtx condition, if (insn_references_resource_p (trial, sets, false) || insn_sets_resource_p (trial, needed, false) || insn_sets_resource_p (trial, sets, false) -#ifdef HAVE_cc0 +#if HAVE_cc0 || sets_cc0_p (PATTERN (trial)) #endif ) @@ -1373,7 +1373,7 @@ try_merge_delay_insns (rtx insn, rtx_insn *thread) continue; if (GET_CODE (next_to_match) == GET_CODE (trial) -#ifdef HAVE_cc0 +#if HAVE_cc0 /* We can't share an insn that sets cc0. */ && ! sets_cc0_p (pat) #endif @@ -1446,7 +1446,7 @@ try_merge_delay_insns (rtx insn, rtx_insn *thread) if (! insn_references_resource_p (dtrial, &set, true) && ! insn_sets_resource_p (dtrial, &set, true) && ! insn_sets_resource_p (dtrial, &needed, true) -#ifdef HAVE_cc0 +#if HAVE_cc0 && ! sets_cc0_p (PATTERN (dtrial)) #endif && rtx_equal_p (PATTERN (next_to_match), PATTERN (dtrial)) @@ -1629,7 +1629,7 @@ redundant_insn (rtx insn, rtx_insn *target, rtx delay_list) target_main = XVECEXP (PATTERN (target), 0, 0); if (resource_conflicts_p (&needed, &set) -#ifdef HAVE_cc0 +#if HAVE_cc0 || reg_mentioned_p (cc0_rtx, ipat) #endif /* The insn requiring the delay may not set anything needed or set by @@ -2125,7 +2125,7 @@ fill_simple_delay_slots (int non_jumps_p) filter_flags ? &fset : &set, true) && ! insn_sets_resource_p (trial, &needed, true) -#ifdef HAVE_cc0 +#if HAVE_cc0 /* Can't separate set of cc0 from its use. */ && ! (reg_mentioned_p (cc0_rtx, pat) && ! sets_cc0_p (pat)) #endif @@ -2260,7 +2260,7 @@ fill_simple_delay_slots (int non_jumps_p) && ! insn_references_resource_p (trial, &set, true) && ! insn_sets_resource_p (trial, &set, true) && ! insn_sets_resource_p (trial, &needed, true) -#ifdef HAVE_cc0 +#if HAVE_cc0 && ! (reg_mentioned_p (cc0_rtx, pat) && ! sets_cc0_p (pat)) #endif && ! (maybe_never && may_trap_or_fault_p (pat)) @@ -2270,7 +2270,7 @@ fill_simple_delay_slots (int non_jumps_p) { next_trial = next_nonnote_insn (trial); delay_list = add_to_delay_list (trial, delay_list); -#ifdef HAVE_cc0 +#if HAVE_cc0 if (reg_mentioned_p (cc0_rtx, pat)) link_cc0_insns (trial); #endif @@ -2309,7 +2309,7 @@ fill_simple_delay_slots (int non_jumps_p) && ! insn_references_resource_p (next_trial, &set, true) && ! insn_sets_resource_p (next_trial, &set, true) && ! insn_sets_resource_p (next_trial, &needed, true) -#ifdef HAVE_cc0 +#if HAVE_cc0 && ! reg_mentioned_p (cc0_rtx, PATTERN (next_trial)) #endif && ! (maybe_never && may_trap_or_fault_p (PATTERN (next_trial))) @@ -2522,7 +2522,7 @@ fill_slots_from_thread (rtx_insn *insn, rtx condition, rtx thread_or_return, if (! insn_references_resource_p (trial, &set, true) && ! insn_sets_resource_p (trial, &set, true) && ! insn_sets_resource_p (trial, &needed, true) -#ifdef HAVE_cc0 +#if HAVE_cc0 && ! (reg_mentioned_p (cc0_rtx, pat) && (! own_thread || ! sets_cc0_p (pat))) #endif @@ -2605,7 +2605,7 @@ fill_slots_from_thread (rtx_insn *insn, rtx condition, rtx thread_or_return, must_annul = 1; winner: -#ifdef HAVE_cc0 +#if HAVE_cc0 if (reg_mentioned_p (cc0_rtx, pat)) link_cc0_insns (trial); #endif @@ -3161,7 +3161,7 @@ delete_computation (rtx insn) { rtx note, next; -#ifdef HAVE_cc0 +#if HAVE_cc0 if (reg_referenced_p (cc0_rtx, PATTERN (insn))) { rtx prev = prev_nonnote_insn (insn); @@ -3498,7 +3498,7 @@ relax_delay_slots (rtx_insn *first) && ! condjump_in_parallel_p (delay_insn) && prev_active_insn (target_label) == insn && ! BARRIER_P (prev_nonnote_insn (target_label)) -#ifdef HAVE_cc0 +#if HAVE_cc0 /* If the last insn in the delay slot sets CC0 for some insn, various code assumes that it is in a delay slot. We could put it back where it belonged and delete the register notes, |