Optimize NOT before branch

2026-04-20 16:16:34 +00:00 · 2017-06-07 17:41:50 -07:00
parent 7d35fd7726
commit 92535477ff
2 changed files with 25 additions and 4 deletions
@@ -1187,6 +1187,21 @@ int crunch_seq(t_opseq **seq)
                        break;
                }
                break; // GADDR_CODE
+            case LOGIC_NOT_CODE:
+                switch (opnext->code)
+                {
+                    case BRFALSE_CODE:
+                        op->code = BRTRUE_CODE;
+                        op->tag  = opnext->tag;
+                        freeops  = 1;
+                        break;
+                    case BRTRUE_CODE:
+                        op->code = BRFALSE_CODE;
+                        op->tag  = opnext->tag;
+                        freeops  = 1;
+                        break;
+                }
+                break; // LOGIC_NOT_CODE
        }
        //
        // Free up crunched ops