shithub: scc

Info  •  Files  •  Log  •  Branches

[cc2-qbe] Add OADDR to QBE

OADDR is a nop in QBE, but we still have to transform the node in a
temporary node without creating a temporary symbol.

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

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

@@ -258,7 +258,6 @@

 	case OBAND:

 	case OBOR:

 	case OBXOR:

-	case OCPL:

 	case OEQ:

 	case ONE:

 		off = 0;

@@ -285,15 +284,18 @@

 	case OELOOP:

 		return NULL;

 	case OCAST:

-		assert(r == NULL);

 		return cast(np, l);

-	case OPAR:

-	case ONEG:

 	case OADDR:

-		abort();

+		np->flags |= ISTMP;

+		np->op = OTMP;

+		np->u.sym = l->u.sym;

+		return np;

 	case OPTR:

 		np->left = load(load(l));

 		return tmpnode(np);

+	case OCPL:

+	case OPAR:

+	case ONEG:

 	case OINC:

 	case ODEC:

 		abort();