diff options
Diffstat (limited to 'gcc/ra-rewrite.c')
-rw-r--r-- | gcc/ra-rewrite.c | 52 |
1 files changed, 34 insertions, 18 deletions
diff --git a/gcc/ra-rewrite.c b/gcc/ra-rewrite.c index adc3983..23c26ba 100644 --- a/gcc/ra-rewrite.c +++ b/gcc/ra-rewrite.c @@ -1013,8 +1013,10 @@ reloads_to_loads (struct rewrite_info *ri, struct ref **refs, if (is_death) { int old_num_r = num_reloads; + bitmap_iterator bi; + bitmap_clear (ri->scratch); - EXECUTE_IF_SET_IN_BITMAP (ri->need_reload, 0, j, + EXECUTE_IF_SET_IN_BITMAP (ri->need_reload, 0, j, bi) { struct web *web2 = ID2WEB (j); struct web *aweb2 = alias (find_web_for_subweb (web2)); @@ -1030,7 +1032,7 @@ reloads_to_loads (struct rewrite_info *ri, struct ref **refs, bitmap_set_bit (ri->scratch, j); num_reloads--; } - }); + } if (num_reloads != old_num_r) bitmap_operation (ri->need_reload, ri->need_reload, ri->scratch, BITMAP_AND_COMPL); @@ -1062,6 +1064,8 @@ rewrite_program2 (bitmap new_deaths) basic_block last_bb = NULL; rtx last_block_insn; int i, j; + bitmap_iterator bi; + if (!INSN_P (insn)) insn = prev_real_insn (insn); while (insn && !(bb = BLOCK_FOR_INSN (insn))) @@ -1073,7 +1077,7 @@ rewrite_program2 (bitmap new_deaths) sbitmap_zero (ri.live); CLEAR_HARD_REG_SET (ri.colors_in_use); - EXECUTE_IF_SET_IN_BITMAP (live_at_end[i - 2], 0, j, + EXECUTE_IF_SET_IN_BITMAP (live_at_end[i - 2], 0, j, bi) { struct web *web = use2web[j]; struct web *aweb = alias (find_web_for_subweb (web)); @@ -1090,7 +1094,7 @@ rewrite_program2 (bitmap new_deaths) if (aweb->type != SPILLED) update_spill_colors (&(ri.colors_in_use), web, 1); } - }); + } bitmap_clear (ri.need_reload); ri.num_reloads = 0; @@ -1130,7 +1134,9 @@ rewrite_program2 (bitmap new_deaths) if (INSN_P (insn) && BLOCK_FOR_INSN (insn) != last_bb) { int index = BLOCK_FOR_INSN (insn)->index + 2; - EXECUTE_IF_SET_IN_BITMAP (live_at_end[index - 2], 0, j, + bitmap_iterator bi; + + EXECUTE_IF_SET_IN_BITMAP (live_at_end[index - 2], 0, j, bi) { struct web *web = use2web[j]; struct web *aweb = alias (find_web_for_subweb (web)); @@ -1139,9 +1145,9 @@ rewrite_program2 (bitmap new_deaths) SET_BIT (ri.live, web->id); update_spill_colors (&(ri.colors_in_use), web, 1); } - }); + } bitmap_clear (ri.scratch); - EXECUTE_IF_SET_IN_BITMAP (ri.need_reload, 0, j, + EXECUTE_IF_SET_IN_BITMAP (ri.need_reload, 0, j, bi) { struct web *web2 = ID2WEB (j); struct web *supweb2 = find_web_for_subweb (web2); @@ -1156,7 +1162,7 @@ rewrite_program2 (bitmap new_deaths) bitmap_set_bit (ri.scratch, j); ri.num_reloads--; } - }); + } bitmap_operation (ri.need_reload, ri.need_reload, ri.scratch, BITMAP_AND_COMPL); last_bb = BLOCK_FOR_INSN (insn); @@ -1344,26 +1350,28 @@ rewrite_program2 (bitmap new_deaths) int in_ir = 0; edge e; int num = 0; + bitmap_iterator bi; + HARD_REG_SET cum_colors, colors; CLEAR_HARD_REG_SET (cum_colors); for (e = bb->pred; e && num < 5; e = e->pred_next, num++) { int j; CLEAR_HARD_REG_SET (colors); - EXECUTE_IF_SET_IN_BITMAP (live_at_end[e->src->index], 0, j, + EXECUTE_IF_SET_IN_BITMAP (live_at_end[e->src->index], 0, j, bi) { struct web *web = use2web[j]; struct web *aweb = alias (find_web_for_subweb (web)); if (aweb->type != SPILLED) update_spill_colors (&colors, web, 1); - }); + } IOR_HARD_REG_SET (cum_colors, colors); } if (num == 5) in_ir = 1; bitmap_clear (ri.scratch); - EXECUTE_IF_SET_IN_BITMAP (ri.need_reload, 0, j, + EXECUTE_IF_SET_IN_BITMAP (ri.need_reload, 0, j, bi) { struct web *web2 = ID2WEB (j); struct web *supweb2 = find_web_for_subweb (web2); @@ -1384,7 +1392,7 @@ rewrite_program2 (bitmap new_deaths) bitmap_set_bit (ri.scratch, j); ri.num_reloads--; } - }); + } bitmap_operation (ri.need_reload, ri.need_reload, ri.scratch, BITMAP_AND_COMPL); } @@ -1458,6 +1466,8 @@ detect_web_parts_to_rebuild (void) struct web *web = DLIST_WEB (d); struct conflict_link *wl; unsigned int j; + bitmap_iterator bi; + /* This check is only needed for coalesced nodes, but hey. */ if (alias (web)->type != SPILLED) continue; @@ -1494,14 +1504,14 @@ detect_web_parts_to_rebuild (void) SET_BIT (already_webs, wl->t->id); mark_refs_for_checking (wl->t, uses_as_bitmap); } - EXECUTE_IF_SET_IN_BITMAP (web->useless_conflicts, 0, j, + EXECUTE_IF_SET_IN_BITMAP (web->useless_conflicts, 0, j, bi) { struct web *web2 = ID2WEB (j); if (TEST_BIT (already_webs, web2->id)) continue; SET_BIT (already_webs, web2->id); mark_refs_for_checking (web2, uses_as_bitmap); - }); + } } /* We also recheck unconditionally all uses of any hardregs. This means @@ -1550,10 +1560,12 @@ static void delete_useless_defs (void) { unsigned int i; + bitmap_iterator bi; + /* If the insn only sets the def without any sideeffect (besides clobbers or uses), we can delete it. single_set() also tests for INSN_P(insn). */ - EXECUTE_IF_SET_IN_BITMAP (useless_defs, 0, i, + EXECUTE_IF_SET_IN_BITMAP (useless_defs, 0, i, bi) { rtx insn = DF_REF_INSN (df->defs[i]); rtx set = single_set (insn); @@ -1566,7 +1578,7 @@ delete_useless_defs (void) NOTE_LINE_NUMBER (insn) = NOTE_INSN_DELETED; df_insn_modify (df, BLOCK_FOR_INSN (insn), insn); } - }); + } } /* Look for spilled webs, on whose behalf no insns were emitted. @@ -1617,7 +1629,9 @@ void actual_spill (void) { int i; + bitmap_iterator bi; bitmap new_deaths = BITMAP_XMALLOC (); + reset_changed_flag (); spill_coalprop (); choose_spill_colors (); @@ -1633,8 +1647,10 @@ actual_spill (void) insns_with_deaths = sbitmap_alloc (get_max_uid ()); death_insns_max_uid = get_max_uid (); sbitmap_zero (insns_with_deaths); - EXECUTE_IF_SET_IN_BITMAP (new_deaths, 0, i, - { SET_BIT (insns_with_deaths, i);}); + EXECUTE_IF_SET_IN_BITMAP (new_deaths, 0, i, bi) + { + SET_BIT (insns_with_deaths, i); + } detect_non_changed_webs (); detect_web_parts_to_rebuild (); BITMAP_XFREE (new_deaths); |