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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-1.c] - Rev 298
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/* { dg-do compile } */ /* { dg-require-effective-target vect_int } */ /* { dg-require-effective-target vect_float } */ #define N 16 void fbar (float *); void ibar (int *); void sbar (short *); /* multiple loops */ foo (int n) { float a[N+1]; float b[N]; float c[N]; float d[N]; int ia[N]; int ib[N]; int ic[N]; int i,j; int diff = 0; char cb[N]; char cc[N]; char image[N][N]; char block[N][N]; /* Not vectorizable yet (cross-iteration cycle). */ diff = 0; for (i = 0; i < N; i++) { diff += (cb[i] - cc[i]); } ibar (&diff); /* Not vectorizable yet (outer-loop: not attempted. inner-loop: cross iteration cycle; multi-dimensional arrays). */ diff = 0; for (i = 0; i < N; i++) { for (i = 0; i < N; i++) { diff += (image[i][j] - block[i][j]); } } ibar (&diff); /* Vectorizable. */ for (i = 0; i < N; i++){ a[i] = b[i]; } fbar (a); /* Vectorizable. */ for (i = 0; i < N; i++){ a[i] = b[i] + c[i] + d[i]; } fbar (a); /* Strided access. Vectorizable on platforms that support load of strided accesses (extract of even/odd vector elements). */ for (i = 0; i < N/2; i++){ a[i] = b[2*i+1] * c[2*i+1] - b[2*i] * c[2*i]; d[i] = b[2*i] * c[2*i+1] + b[2*i+1] * c[2*i]; } fbar (a); /* Vectorizable. */ for (i = 0; i < N; i++){ a[i] = b[i] + c[i]; d[i] = b[i] + c[i]; ia[i] = ib[i] + ic[i]; } ibar (ia); fbar (a); fbar (d); /* Not vetorizable yet (too conservative dependence test). */ for (i = 0; i < N; i++){ a[i] = b[i] + c[i]; a[i+1] = b[i] + c[i]; } fbar (a); } /* { dg-final { scan-tree-dump-times "vectorized 4 loops" 1 "vect" { target vect_extract_even_odd_wide } } } */ /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" { xfail vect_extract_even_odd_wide } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */