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