73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
/* PR 5312
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The problem here is that the ia64 scheduler saw a sequence of L L M type
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insns, and messed up its internal state on which slot it was issuing
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to, and aborted. */
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/* { dg-do compile } */
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/* In ILP32 mode, we get warnings about large integer constants.
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Those cause spurious FAILs. */
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/* { dg-options "-w -O2 -mconstant-gp" } */
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typedef unsigned long __u64;
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typedef unsigned int __u32;
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typedef struct { } spinlock_t;
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struct cpuinfo_ia64 {
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union {
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struct {
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__u32 irq_count;
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__u32 bh_count;
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} f;
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__u64 irq_and_bh_counts;
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} irq_stat;
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__u32 softirq_pending;
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} __attribute__ ((aligned ((1UL << 14)))) ;
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enum
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{
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TCA_UNSPEC,
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TCA_KIND,
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TCA_OPTIONS,
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TCA_STATS,
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TCA_XSTATS,
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TCA_RATE,
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};
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struct tc_stats
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{
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__u64 bytes;
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__u32 packets;
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__u32 drops;
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__u32 overlimits;
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__u32 bps;
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__u32 pps;
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__u32 qlen;
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__u32 backlog;
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spinlock_t *lock;
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};
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struct sk_buff {
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unsigned int data_len;
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unsigned char *tail;
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unsigned char *end;
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};
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static inline int skb_is_nonlinear(const struct sk_buff *skb)
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{
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return skb->data_len;
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}
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static inline int skb_tailroom(const struct sk_buff *skb)
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{
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return skb_is_nonlinear(skb) ? 0 : skb->end-skb->tail;
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}
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struct rtattr
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{
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unsigned short rta_len;
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unsigned short rta_type;
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};
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int qdisc_copy_stats(struct sk_buff *skb, struct tc_stats *st)
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{
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do { do { (((struct cpuinfo_ia64 *) (0xa000000000000000 + 2*(1UL << 14)))->irq_stat.f.bh_count)++; __asm__ __volatile__("": : :"memory"); } while (0); (void)(st->lock); } while (0);
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({ 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); });
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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);
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return 0;
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rtattr_failure:
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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);
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return -1;
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}
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