scc

commit 52efd1500ebcdd1b19b7ec791a5d1e427b655ab7
parent 8c5632d62fb15b51382e21845995469d75cd96ab
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Mon, 16 Mar 2015 10:18:43 +0000

Fix computation of stack frame size

Only register and automatic variables must be accounted
in the size of the stack frame.

Diffstat:
M
cc2/parser.c
 | 
8
++++++--

1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/cc2/parser.c b/cc2/parser.c
@@ -507,8 +507,12 @@ static void
 localdcl(char *token)
 {
 	Symbol *sym = declaration(LOCAL, token[0], token);
-	curfun->u.f.locals += sym->u.v.type.size;
-	sym->u.v.off = 1-curfun->u.f.locals;
+	char sclass = *token;
+
+	if (sclass == 'A' || sclass == 'R') {
+		curfun->u.f.locals += sym->u.v.type.size;
+		sym->u.v.off = 1-curfun->u.f.locals;
+	}
 }
 
 void