tcg: Use tcg_malloc to allocate TCGLabel

Pre-allocating 512 of them per TB is a waste.

Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>

1 files changed, 18 insertions, 13 deletions

diff --git a/tcg/tcg.c b/tcg/tcg.c
index 97aa512e22..f1558b75c4 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -246,15 +246,11 @@ static void tcg_out_label(TCGContext *s, TCGLabel *l, tcg_insn_unit *ptr)
 TCGLabel *gen_new_label(void)
 {
     TCGContext *s = &tcg_ctx;
-    int idx;
-    TCGLabel *l;
+    TCGLabel *l = tcg_malloc(sizeof(TCGLabel));
 
-    if (s->nb_labels >= TCG_MAX_LABELS)
-        tcg_abort();
-    idx = s->nb_labels++;
-    l = &s->labels[idx];
-    l->has_value = 0;
-    l->u.first_reloc = NULL;
+    *l = (TCGLabel){
+        .id = s->nb_labels++
+    };
 
     return l;
 }
@@ -1086,11 +1082,20 @@ void tcg_dump_ops(TCGContext *s)
                 i = 0;
                 break;
             }
-            for (; i < nb_cargs; i++) {
-                if (k != 0) {
-                    qemu_log(",");
-                }
-                qemu_log("$0x%" TCG_PRIlx, args[k++]);
+            switch (c) {
+            case INDEX_op_set_label:
+            case INDEX_op_br:
+            case INDEX_op_brcond_i32:
+            case INDEX_op_brcond_i64:
+            case INDEX_op_brcond2_i32:
+                qemu_log("%s$L%d", k ? "," : "", arg_label(args[k])->id);
+                i++, k++;
+                break;
+            default:
+                break;
+            }
+            for (; i < nb_cargs; i++, k++) {
+                qemu_log("%s$0x%" TCG_PRIlx, k ? "," : "", args[k]);
             }
         }
         qemu_log("\n");