scc

commit 11a557fc44cb50172c5ae35b701a35e4265b1a35
parent de7c12f6f60a817c25ddff8488f55ed496987155
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Wed, 27 Sep 2017 22:34:22 +0200

[as] Add skeleton to check size of IMM operands

At this moment this check is not performed, but the call to
the correct function is added.

Diffstat:
M
as/as.h
 | 
1
+
M
as/symbol.c
 | 
7
+++++++
M
as/target/z80/proc.c
 | 
2
++

3 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/as/as.h b/as/as.h
@@ -108,6 +108,7 @@ extern void emit(Section *sec, char *bytes, int nbytes);
 extern Section *section(char *name);
 extern Symbol *tmpsym(TUINT val);
 extern void killtmp(void);
+extern int toobig(Node *np, int type);
 
 /* main.c */
 extern Symbol *lookup(char *name, int type);
diff --git a/as/symbol.c b/as/symbol.c
@@ -115,6 +115,13 @@ deflabel(char *name)
 	return sym;
 }
 
+int
+toobig(Node *np, int type)
+{
+	/* TODO */
+	return 0;
+}
+
 char *
 pack(TUINT v, int n, int inc)
 {
diff --git a/as/target/z80/proc.c b/as/target/z80/proc.c
@@ -71,6 +71,8 @@ match(Op *op, Node **args)
 			np = *args++;
 			if (np->addr != AIMM)
 				return 0;
+			if (toobig(np, arg))
+				return 0;
 			break;
 		default:
 			abort();