shithub: scc

Info  •  Files  •  Log  •  Branches

[cc2-qbe] Remove deletion of consecutive labels

Ancient versions of qbe didn't support consecutive labels, but this
is not true anymore.

--- a/cc2/arch/qbe/optm.c

+++ b/cc2/arch/qbe/optm.c

@@ -29,16 +29,6 @@

 		if (!op || op == ONOP || op == OBRANCH || (op != ORET && op != OJMP))

 			addstmt(newnode(ORET), KEEPCUR);

 		break;

-	case ONOP:

-		if (next->op == ONOP) {

-			sym = np->u.sym;

-			osym = next->u.sym;

-			osym->id = sym->id;

-			osym->numid = sym->numid;

-			osym->u.stmt = sym->u.stmt;

-			return NULL;

-		}

-		break;

 	case OBRANCH:

 		if (!next->label) {

 			sym = getsym(TMPSYM);