Viewing file:  scan-8.c (3.35 KB) -rw-r--r--
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/* { dg-require-effective-target size32plus } */
extern void abort (void);
int r, a[1024], b[1024];
unsigned short r2, b2[1024];
unsigned char r3, b3[1024];
__attribute__((noipa)) void
foo (int *a, int *b, unsigned short *b2, unsigned char *b3)
{
#pragma omp for reduction (inscan, +:r, r2, r3)
for (int i = 0; i < 1024; i++)
{
{
b[i] = r;
b2[i] = r2;
b3[i] = r3;
}
#pragma omp scan exclusive(r, r2, r3)
{ r += a[i]; r2 += a[i]; r3 += a[i]; }
}
}
__attribute__((noipa)) int
bar (unsigned short *s2p, unsigned char *s3p)
{
int s = 0;
unsigned short s2 = 0;
unsigned char s3 = 0;
#pragma omp parallel
#pragma omp for reduction (inscan, +:s, s2, s3)
for (int i = 0; i < 1024; i++)
{
{ b[i] = s; b2[i] = s2; b3[i] = s3; }
#pragma omp scan exclusive(s, s2, s3)
{
s += 2 * a[i];
s2 += 2 * a[i];
s3 += 2 * a[i];
}
}
*s2p = s2;
*s3p = s3;
return s;
}
__attribute__((noipa)) void
baz (int *a, int *b, unsigned short *b2, unsigned char *b3)
{
#pragma omp parallel for reduction (inscan, +:r, r2, r3)
for (int i = 0; i < 1024; i++)
{
{
b[i] = r;
b2[i] = r2;
b3[i] = r3;
}
#pragma omp scan exclusive(r, r2, r3)
{
r += a[i];
r2 += a[i];
r3 += a[i];
}
}
}
__attribute__((noipa)) int
qux (unsigned short *s2p, unsigned char *s3p)
{
int s = 0;
unsigned short s2 = 0;
unsigned char s3 = 0;
#pragma omp parallel for reduction (inscan, +:s, s2, s3)
for (int i = 0; i < 1024; i++)
{
{ b[i] = s; b2[i] = s2; b3[i] = s3; }
#pragma omp scan exclusive(s, s2, s3)
{ s += 2 * a[i]; s2 += 2 * a[i]; s3 += 2 * a[i]; }
}
*s2p = s2;
*s3p = s3;
return s;
}
int
main ()
{
int s = 0;
unsigned short s2;
unsigned char s3;
for (int i = 0; i < 1024; ++i)
{
a[i] = i;
b[i] = -1;
b2[i] = -1;
b3[i] = -1;
asm ("" : "+g" (i));
}
#pragma omp parallel
foo (a, b, b2, b3);
if (r != 1024 * 1023 / 2
|| r2 != (unsigned short) r
|| r3 != (unsigned char) r)
abort ();
for (int i = 0; i < 1024; ++i)
{
if (b[i] != s
|| b2[i] != (unsigned short) s
|| b3[i] != (unsigned char) s)
abort ();
else
{
b[i] = 25;
b2[i] = 24;
b3[i] = 26;
}
s += i;
}
if (bar (&s2, &s3) != 1024 * 1023)
abort ();
if (s2 != (unsigned short) (1024 * 1023)
|| s3 != (unsigned char) (1024 * 1023))
abort ();
s = 0;
for (int i = 0; i < 1024; ++i)
{
if (b[i] != s
|| b2[i] != (unsigned short) s
|| b3[i] != (unsigned char) s)
abort ();
else
{
b[i] = -1;
b2[i] = -1;
b3[i] = -1;
}
s += 2 * i;
}
r = 0;
r2 = 0;
r3 = 0;
baz (a, b, b2, b3);
if (r != 1024 * 1023 / 2
|| r2 != (unsigned short) r
|| r3 != (unsigned char) r)
abort ();
s = 0;
for (int i = 0; i < 1024; ++i)
{
if (b[i] != s
|| b2[i] != (unsigned short) s
|| b3[i] != (unsigned char) s)
abort ();
else
{
b[i] = 25;
b2[i] = 24;
b3[i] = 26;
}
s += i;
}
s2 = 0;
s3 = 0;
if (qux (&s2, &s3) != 1024 * 1023)
abort ();
if (s2 != (unsigned short) (1024 * 1023)
|| s3 != (unsigned char) (1024 * 1023))
abort ();
s = 0;
for (int i = 0; i < 1024; ++i)
{
if (b[i] != s
|| b2[i] != (unsigned short) s
|| b3[i] != (unsigned char) s)
abort ();
s += 2 * i;
}
return 0;
}
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