Viewing file:  extract_5.c (1.71 KB) -rw-r--r--
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/* Originally from gcc.dg/vect/vect-alias-check-10.c. */
/* { dg-do compile } */
/* { dg-options "-O2 -ftree-vectorize -msve-vector-bits=512" } */
#define N 87
#define M 6
typedef signed char sc;
typedef unsigned char uc;
typedef signed short ss;
typedef unsigned short us;
typedef int si;
typedef unsigned int ui;
typedef signed long long sll;
typedef unsigned long long ull;
#define FOR_EACH_TYPE(M) \
M (sc) M (uc) \
M (ss) M (us) \
M (si) M (ui) \
M (sll) M (ull) \
M (float) M (double)
#define TEST_VALUE(I) ((I) * 5 / 2)
#define ADD_TEST(TYPE) \
void __attribute__((noinline, noclone)) \
test_##TYPE (TYPE *a, int step) \
{ \
for (int i = 0; i < N; ++i) \
{ \
a[i * step + 0] = a[i * step + 0] + 1; \
a[i * step + 1] = a[i * step + 1] + 2; \
a[i * step + 2] = a[i * step + 2] + 4; \
a[i * step + 3] = a[i * step + 3] + 8; \
} \
} \
void __attribute__((noinline, noclone)) \
ref_##TYPE (TYPE *a, int step) \
{ \
for (int i = 0; i < N; ++i) \
{ \
a[i * step + 0] = a[i * step + 0] + 1; \
a[i * step + 1] = a[i * step + 1] + 2; \
a[i * step + 2] = a[i * step + 2] + 4; \
a[i * step + 3] = a[i * step + 3] + 8; \
asm volatile (""); \
} \
}
#define DO_TEST(TYPE) \
for (int j = -M; j <= M; ++j) \
{ \
TYPE a[N * M], b[N * M]; \
for (int i = 0; i < N * M; ++i) \
a[i] = b[i] = TEST_VALUE (i); \
int offset = (j < 0 ? N * M - 4 : 0); \
test_##TYPE (a + offset, j); \
ref_##TYPE (b + offset, j); \
if (__builtin_memcmp (a, b, sizeof (a)) != 0) \
__builtin_abort (); \
}
FOR_EACH_TYPE (ADD_TEST)
int
main (void)
{
FOR_EACH_TYPE (DO_TEST)
return 0;
}
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