commit 750ed60a7ec3af649c9cfa61f73077ed43b5e33d
parent c46dede9b17af6465d19865743fd289c81147f54
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date: Wed, 17 Sep 2014 09:42:23 +0200
Remove hardcoded HL in 2 byte additions
The destination maybe can be IY, so it is better use the register
of the left operand.
Diffstat:
3 files changed, 28 insertions(+), 1 deletion(-)
diff --git a/cc2/cc2.h b/cc2/cc2.h
@@ -87,6 +87,7 @@ enum nerrors {
#define ONE '!'
#define OOR 'o'
#define OAND 'y'
+#define OCAST 'c'
#define ONEG '_'
#define OCPL '~'
#define OCOMMA ','
diff --git a/cc2/cgen.c b/cc2/cgen.c
@@ -252,7 +252,7 @@ cgen(Node *np)
emit(LD, H, upper(lp->u.reg));
emit(LD, L, lower(lp->u.reg));
}
- emit(ADD, HL, rp->u.reg);
+ emit(ADD, lp->u.reg, rp->u.reg);
break;
case 4:
case 8:
diff --git a/cc2/parser.c b/cc2/parser.c
@@ -292,7 +292,33 @@ assignment(char *token)
push(np);
}
+static void
+cast(char *token)
+{
+ Node *np = newnode();
+
+ np->right = NULL;
+ np->left = pop();
+ np->op = OCAST;
+ np->type = gettype(token+1);
+ push(np);
+}
+
static void (*optbl[])(char *) = {
+ [L_INT8] = cast,
+ [L_INT16] = cast,
+ [L_INT32] = cast,
+ [L_INT64] = cast,
+ [L_UINT8] = cast,
+ [L_UINT16] = cast,
+ [L_UINT32] = cast,
+ [L_UINT64] = cast,
+ [L_BOOL] = cast,
+ [L_FLOAT] = cast,
+ [L_DOUBLE] = cast,
+ [L_LDOUBLE] = cast,
+ [L_POINTER] = cast,
+ [L_VOID] = cast,
['+'] = operator,
['%'] = operator,
['-'] = operator,
