shithub: scc

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Merge MEM and AUTO cases of assign()

They are exactly the same, only a movement between an address
and a register. If the address is indexed, then is better for us,
in other case is the same.

--- a/cc2/cgen.c

+++ b/cc2/cgen.c

@@ -333,6 +333,7 @@

 	switch (np->type.size) {

 	case 1:

 		switch (lp->op) {

+		case MEM:

 		case AUTO:

 			code(LDL, lp, rp);

 			break;

@@ -339,11 +340,6 @@

 		case REG:

 			/* TODO: what happens with the previous register? */

 			code(MOV, lp, rp);

-			break;

-		case MEM:

-			/* TODO: check if the variable is indexed */

-			index(lp);

-			code(LDL, lp, rp);

 			break;

 		default:

 			abort();