1/* PR 5312
2   The problem here is that the ia64 scheduler saw a sequence of L L M type
3   insns, and messed up its internal state on which slot it was issuing
4   to, and aborted.  */
5
6/* { dg-do compile } */
7/* In ILP32 mode, we get warnings about large integer constants.
8   Those cause spurious FAILs.  */
9/* { dg-options "-w -O2 -mconstant-gp" } */
10
11typedef unsigned long __u64;
12typedef unsigned int __u32;
13typedef struct { } spinlock_t;
14struct cpuinfo_ia64 {
15        union {
16                struct {
17                        __u32 irq_count;
18                        __u32 bh_count;
19                } f;
20                __u64 irq_and_bh_counts;
21        } irq_stat;
22        __u32 softirq_pending;
23} __attribute__ ((aligned ((1UL << 14)))) ;
24enum
25{
26        TCA_UNSPEC,
27        TCA_KIND,
28        TCA_OPTIONS,
29        TCA_STATS,
30        TCA_XSTATS,
31        TCA_RATE,
32};
33struct tc_stats
34{
35        __u64 bytes;
36        __u32 packets;
37        __u32 drops;
38        __u32 overlimits;
39        __u32 bps;
40        __u32 pps;
41        __u32 qlen;
42        __u32 backlog;
43        spinlock_t *lock;
44};
45struct sk_buff {
46        unsigned int data_len;
47        unsigned char *tail;
48        unsigned char *end;
49};
50static inline int skb_is_nonlinear(const struct sk_buff *skb)
51{
52        return skb->data_len;
53}
54static inline int skb_tailroom(const struct sk_buff *skb)
55{
56        return skb_is_nonlinear(skb) ? 0 : skb->end-skb->tail;
57}
58struct rtattr
59{
60        unsigned short rta_len;
61        unsigned short rta_type;
62};
63int qdisc_copy_stats(struct sk_buff *skb, struct tc_stats *st)
64{
65        do { do { (((struct cpuinfo_ia64 *) (0xa000000000000000 + 2*(1UL << 14)))->irq_stat.f.bh_count)++; __asm__ __volatile__("": : :"memory"); } while (0); (void)(st->lock); } while (0);
66        ({ if (skb_tailroom(skb) < (int)( (((( ((sizeof(struct rtattr))+4 -1) & ~(4 -1) ) + ((char*)&st->lock - (char*)st)))+4 -1) & ~(4 -1) )) goto rtattr_failure; __rta_fill(skb, TCA_STATS, (char*)&st->lock - (char*)st, st); });
67        do { do { } while(0); do { do { __asm__ __volatile__("": : :"memory"); (((struct cpuinfo_ia64 *) (0xa000000000000000 + 2*(1UL << 14)))->irq_stat.f.bh_count)--; } while (0); if (__builtin_expect((((struct cpuinfo_ia64 *) (0xa000000000000000 + 2*(1UL << 14)))->softirq_pending), 0) && (((struct cpuinfo_ia64 *) (0xa000000000000000 + 2*(1UL << 14)))->irq_stat.f.bh_count) == 0) do_softirq(); } while (0); } while (0);
68        return 0;
69rtattr_failure:
70        do { do { } while(0); do { do { __asm__ __volatile__("": : :"memory"); (((struct cpuinfo_ia64 *) (0xa000000000000000 + 2*(1UL << 14)))->irq_stat.f.bh_count)--; } while (0); if (__builtin_expect((((struct cpuinfo_ia64 *) (0xa000000000000000 + 2*(1UL << 14)))->softirq_pending), 0) && (((struct cpuinfo_ia64 *) (0xa000000000000000 + 2*(1UL << 14)))->irq_stat.f.bh_count) == 0) do_softirq(); } while (0); } while (0);
71        return -1;
72}
73