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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.target/] [i386/] [avx2-gather-4.c] - Rev 848
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/* { dg-do run } */ /* { dg-require-effective-target avx2 } */ /* { dg-options "-O3 -mavx2" } */ #include "avx2-check.h" #define N 1024 int a[N], b[N], c[N], d[N]; __attribute__((noinline, noclone)) void foo (float *__restrict p, float *__restrict q, float *__restrict r, long s1, long s2, long s3) { int i; for (i = 0; i < N; i++) p[i] = q[a[i] * s1 + b[i] * s2 + s3] * r[c[i] * s1 + d[i] * s2 + s3]; } static void avx2_test (void) { int i; float e[N], f[N], g[N]; for (i = 0; i < N; i++) { a[i] = (i * 7) & (N / 8 - 1); b[i] = (i * 13) & (N / 8 - 1); c[i] = (i * 23) & (N / 8 - 1); d[i] = (i * 5) & (N / 8 - 1); e[i] = 16.5 + i; f[i] = 127.5 - i; } foo (g, e, f, 3, 2, 4); for (i = 0; i < N; i++) if (g[i] != (float) ((20.5 + a[i] * 3 + b[i] * 2) * (123.5 - c[i] * 3 - d[i] * 2))) abort (); }
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