diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/ia64/20020313-1.c')
-rw-r--r-- | gcc/testsuite/gcc.target/ia64/20020313-1.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/ia64/20020313-1.c b/gcc/testsuite/gcc.target/ia64/20020313-1.c new file mode 100644 index 000000000..bc134febf --- /dev/null +++ b/gcc/testsuite/gcc.target/ia64/20020313-1.c @@ -0,0 +1,72 @@ +/* PR 5312 + The problem here is that the ia64 scheduler saw a sequence of L L M type + insns, and messed up its internal state on which slot it was issuing + to, and aborted. */ + +/* { dg-do compile } */ +/* In ILP32 mode, we get warnings about large integer constants. + Those cause spurious FAILs. */ +/* { dg-options "-w -O2 -mconstant-gp" } */ + +typedef unsigned long __u64; +typedef unsigned int __u32; +typedef struct { } spinlock_t; +struct cpuinfo_ia64 { + union { + struct { + __u32 irq_count; + __u32 bh_count; + } f; + __u64 irq_and_bh_counts; + } irq_stat; + __u32 softirq_pending; +} __attribute__ ((aligned ((1UL << 14)))) ; +enum +{ + TCA_UNSPEC, + TCA_KIND, + TCA_OPTIONS, + TCA_STATS, + TCA_XSTATS, + TCA_RATE, +}; +struct tc_stats +{ + __u64 bytes; + __u32 packets; + __u32 drops; + __u32 overlimits; + __u32 bps; + __u32 pps; + __u32 qlen; + __u32 backlog; + spinlock_t *lock; +}; +struct sk_buff { + unsigned int data_len; + unsigned char *tail; + unsigned char *end; +}; +static inline int skb_is_nonlinear(const struct sk_buff *skb) +{ + return skb->data_len; +} +static inline int skb_tailroom(const struct sk_buff *skb) +{ + return skb_is_nonlinear(skb) ? 0 : skb->end-skb->tail; +} +struct rtattr +{ + unsigned short rta_len; + unsigned short rta_type; +}; +int qdisc_copy_stats(struct sk_buff *skb, struct tc_stats *st) +{ + do { do { (((struct cpuinfo_ia64 *) (0xa000000000000000 + 2*(1UL << 14)))->irq_stat.f.bh_count)++; __asm__ __volatile__("": : :"memory"); } while (0); (void)(st->lock); } while (0); + ({ 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); }); + 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); + return 0; +rtattr_failure: + 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); + return -1; +} |