73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
/* Test support of scalar_storage_order pragma */
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/* { dg-do run } */
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/* { dg-require-effective-target int32plus } */
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#pragma scalar_storage_order /* { dg-warning "missing .big-endian., .little-endian., or .default." } */
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#pragma scalar_storage_order big-endian
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struct S1
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{
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int i;
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};
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struct __attribute__((scalar_storage_order("little-endian"))) S2
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{
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int i;
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};
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#pragma scalar_storage_order little-endian
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struct S3
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{
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int i;
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};
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struct __attribute__((scalar_storage_order("big-endian"))) S4
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{
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int i;
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};
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#pragma scalar_storage_order default
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struct S5
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{
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int i;
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};
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#pragma scalar_storage_order other /* { dg-warning "expected .big-endian., .little-endian., or .default." } */
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struct S1 my_s1 = { 0x12345678 };
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struct S2 my_s2 = { 0x12345678 };
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struct S3 my_s3 = { 0x12345678 };
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struct S4 my_s4 = { 0x12345678 };
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struct S5 my_s5 = { 0x12345678 };
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unsigned char big_endian_pattern[4] = { 0x12, 0x34, 0x56, 0x78 };
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unsigned char little_endian_pattern[4] = { 0x78, 0x56, 0x34, 0x12 };
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int main (void)
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{
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if (__builtin_memcmp (&my_s1, &big_endian_pattern, 4) != 0)
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__builtin_abort ();
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if (__builtin_memcmp (&my_s2, &little_endian_pattern, 4) != 0)
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__builtin_abort ();
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if (__builtin_memcmp (&my_s3, &little_endian_pattern, 4) != 0)
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__builtin_abort ();
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if (__builtin_memcmp (&my_s4, &big_endian_pattern, 4) != 0)
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__builtin_abort ();
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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if (__builtin_memcmp (&my_s5, &little_endian_pattern, 4) != 0)
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__builtin_abort ();
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#else
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if (__builtin_memcmp (&my_s5, &big_endian_pattern, 4) != 0)
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__builtin_abort ();
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#endif
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return 0;
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}
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