51 lines
1.0 KiB
C
51 lines
1.0 KiB
C
/* builtin_frame_address(n) with n>0 has always been troublesome. */
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/* { dg-do run } */
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/* { dg-options "-O3 -fno-optimize-sibling-calls -mbackchain" } */
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#ifdef __s390x__
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#define SAVE_AREA_SIZE 160
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#else
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#define SAVE_AREA_SIZE 96
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#endif
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extern void abort(void);
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#define EXPAND_CHECK(n) \
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void __attribute__((noinline)) \
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foo1_##n (void *p) \
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{ \
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if (p - __builtin_frame_address (n) != SAVE_AREA_SIZE) \
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abort (); \
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} \
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void __attribute__((noinline)) \
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foo2_##n (void *p) \
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{ \
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if (p - __builtin_frame_address (n) != SAVE_AREA_SIZE) \
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abort (); \
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foo1_##n (__builtin_frame_address (n)); \
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} \
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void __attribute__((noinline)) \
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foo3_##n () \
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{ \
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foo2_##n (__builtin_frame_address (n)); \
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} \
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void __attribute__((noinline)) \
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foo4_##n () \
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{ \
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foo3_##n (); \
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}
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EXPAND_CHECK (0)
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EXPAND_CHECK (1)
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EXPAND_CHECK (2)
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int
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main ()
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{
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foo4_0 ();
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foo4_1 ();
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foo4_2 ();
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return 0;
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}
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