/* { dg-require-effective-target vect_int } */ #include #include "tree-vect.h" #define N 64 unsigned short in[N*8]; unsigned short in2[N*8]; volatile int y = 0; int main1 () { int i; unsigned short out[N*8]; unsigned short out2[N*8]; for (i = 0; i < N*8; i++) { in[i] = in2[i] = i; if (y) /* Avoid vectorization. */ abort (); } /* SLP with unrolling by 8. */ for (i = 0; i < N; i++) { out[i*3] = in[i*3] + 5; out[i*3 + 1] = in[i*3 + 1] + 6; out[i*3 + 2] = in[i*3 + 2] + 16; out2[i*5] = in2[i*5] + 2; out2[i*5 + 1] = in2[i*5 + 1] + 2; out2[i*5 + 2] = in2[i*5 + 2] + 1; out2[i*5 + 3] = in2[i*5 + 3] + 3; out2[i*5 + 4] = in2[i*5 + 4] + 13; } /* check results: */ for (i = 0; i < N; i++) { if (out[i*3] != in[i*3] + 5 || out[i*3 + 1] != in[i*3 + 1] + 6 || out[i*3 + 2] != in[i*3 + 2] + 16 || out2[i*5] != in2[i*5] + 2 || out2[i*5 + 1] != in2[i*5 + 1] + 2 || out2[i*5 + 2] != in2[i*5 + 2] + 1 || out2[i*5 + 3] != in2[i*5 + 3] + 3 || out2[i*5 + 4] != in2[i*5 + 4] + 13) abort (); } return 0; } int main (void) { check_vect (); main1 (); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */