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Add information about type in constants

This modification makes more regular the intermediate code and
allows don't have to deal with default types in cc2.

--- a/cc1/code.c

+++ b/cc1/code.c

@@ -88,7 +88,7 @@

 	Symbol *sym = np->u.sym;

 	if (np->type == inttype) {

-		printf("#%x", sym->u.i);

+		printf("#%c%x", np->type->letter, sym->u.i);

 	} else {

 		putchar('"');

 		for (bp = sym->u.s; c = *bp; ++bp)

--- a/cc2/parser.c

+++ b/cc2/parser.c

@@ -193,14 +193,11 @@

 static void

 immediate(char *token)

 {

-	static char buf[2];

 	Node *np = newnode();

 	np->op = CONST;

-	/* TODO: deal with constant non integer */

-	buf[0] = L_INT;

-	np->type = gettype(buf);

-	np->u.imm = atoi(token+1);

+	np->type = gettype(token+1);

+	np->u.imm = atoi(token+2);

 	np->left = np->right = NULL;

 	push(np);

 }

-- 

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