--- /dev/null
+/* { dg-do compile } */
+
+struct Time {
+ long int sec;
+ long usec;
+};
+struct Flow {
+ unsigned short iif;
+ struct Time mtime;
+};
+struct NetFlow {
+ unsigned MaxFlows;
+ unsigned HeaderFields;
+ unsigned short *HeaderFormat;
+};
+static struct NetFlow *netflow;
+static struct Time start_time;
+static unsigned char emit_packet[1500];
+inline long int cmpmtime(struct Time *t1, struct Time *t2)
+{
+ return (t1->sec - t2->sec) * 1000 + (t1->usec - t2->usec) / 1000;
+}
+static void fill(int fields, unsigned short *format,
+ struct Flow *flow, void *p)
+{
+ int i;
+ for (i = 0; i < fields; i++)
+ if (format[i] == 21)
+ {
+ unsigned int __v;
+ __v = cmpmtime(&flow->mtime, &start_time);
+ *((unsigned int *) p) = __v;
+ }
+}
+void emit_thread()
+{
+ fill(netflow->HeaderFields, netflow->HeaderFormat, 0, &emit_packet);
+}
STRIP_NOPS (ptr1);
STRIP_NOPS (ptr2);
- /* Anything we do not explicilty handle aliases. */
- if ((TREE_CODE (ptr1) != SSA_NAME
- && TREE_CODE (ptr1) != ADDR_EXPR
- && TREE_CODE (ptr1) != POINTER_PLUS_EXPR)
- || (TREE_CODE (ptr2) != SSA_NAME
- && TREE_CODE (ptr2) != ADDR_EXPR
- && TREE_CODE (ptr2) != POINTER_PLUS_EXPR)
- || !POINTER_TYPE_P (TREE_TYPE (ptr1))
- || !POINTER_TYPE_P (TREE_TYPE (ptr2)))
- return true;
-
/* Disregard pointer offsetting. */
if (TREE_CODE (ptr1) == POINTER_PLUS_EXPR)
{
if (base
&& (TREE_CODE (base) == MEM_REF
|| TREE_CODE (base) == TARGET_MEM_REF))
- ptr1 = TREE_OPERAND (base, 0);
+ return ptr_derefs_may_alias_p (TREE_OPERAND (base, 0), ptr2);
else if (base
&& DECL_P (base))
return ptr_deref_may_alias_decl_p (ptr2, base);
if (base
&& (TREE_CODE (base) == MEM_REF
|| TREE_CODE (base) == TARGET_MEM_REF))
- ptr2 = TREE_OPERAND (base, 0);
+ return ptr_derefs_may_alias_p (ptr1, TREE_OPERAND (base, 0));
else if (base
&& DECL_P (base))
return ptr_deref_may_alias_decl_p (ptr1, base);
return true;
}
+ /* From here we require SSA name pointers. Anything else aliases. */
+ if (TREE_CODE (ptr1) != SSA_NAME
+ || TREE_CODE (ptr2) != SSA_NAME
+ || !POINTER_TYPE_P (TREE_TYPE (ptr1))
+ || !POINTER_TYPE_P (TREE_TYPE (ptr2)))
+ return true;
+
/* We may end up with two empty points-to solutions for two same pointers.
In this case we still want to say both pointers alias, so shortcut
that here. */