File: struct-by-value-1.c

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gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
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/* Test structure passing by value.  */
/* { dg-do run } */
/* { dg-options "-O2" } */

#define T(N)					\
struct S##N { unsigned char i[N]; };		\
struct S##N g1s##N, g2s##N, g3s##N;		\
						\
void						\
init##N (struct S##N *p, int i)			\
{						\
  int j;					\
  for (j = 0; j < N; j++)			\
    p->i[j] = i + j;				\
}						\
						\
void						\
check##N (struct S##N *p, int i)		\
{						\
  int j;					\
  for (j = 0; j < N; j++)			\
    if (p->i[j] != i + j) abort ();		\
}						\
						\
void						\
test##N (struct S##N s1, struct S##N s2,	\
	 struct S##N s3)			\
{						\
  check##N (&s1, 64);				\
  check##N (&s2, 128);				\
  check##N (&s3, 192);				\
}						\
						\
void						\
test2_##N (struct S##N s1, struct S##N s2)	\
{						\
  test##N (s1, g2s##N, s2);			\
}						\
						\
void						\
testit##N (void)				\
{						\
  init##N (&g1s##N, 64);			\
  check##N (&g1s##N, 64);			\
  init##N (&g2s##N, 128);			\
  check##N (&g2s##N, 128);			\
  init##N (&g3s##N, 192);			\
  check##N (&g3s##N, 192);			\
  test##N (g1s##N, g2s##N, g3s##N);		\
  test2_##N (g1s##N, g3s##N);			\
}

extern void abort (void);
extern void exit (int);

T(0) T(1) T(2) T(3) T(4) T(5) T(6) T(7)
T(8) T(9) T(10) T(11) T(12) T(13) T(14) T(15)
T(16) T(17) T(18) T(19) T(20) T(21) T(22) T(23)
T(24) T(25) T(26) T(27) T(28) T(29) T(30) T(31)
T(32) T(33) T(34) T(35) T(36) T(37) T(38) T(39)
T(40) T(41) T(42) T(43) T(44) T(45) T(46) T(47)
T(48) T(49) T(50) T(51) T(52) T(53) T(54) T(55)
T(56) T(57) T(58) T(59) T(60) T(61) T(62) T(63)

#undef T

int
main ()
{
#define T(N) testit##N ();

T(0) T(1) T(2) T(3) T(4) T(5) T(6) T(7)
T(8) T(9) T(10) T(11) T(12) T(13) T(14) T(15)
T(16) T(17) T(18) T(19) T(20) T(21) T(22) T(23)
T(24) T(25) T(26) T(27) T(28) T(29) T(30) T(31)
T(32) T(33) T(34) T(35) T(36) T(37) T(38) T(39)
T(40) T(41) T(42) T(43) T(44) T(45) T(46) T(47)
T(48) T(49) T(50) T(51) T(52) T(53) T(54) T(55)
T(56) T(57) T(58) T(59) T(60) T(61) T(62) T(63)

#undef T
  exit (0);
}