/* { dg-require-effective-target vect_int } */ /* { dg-require-effective-target vect_shift } */ /* { dg-require-effective-target vect_pack_trunc } */ /* { dg-require-effective-target vect_unpack } */ #include "tree-vect.h" #define N 111 /* This shouldn't be treated as an over-widening operation: it's better to reuse the extensions of di and ei for di + ei than to add them as shorts and introduce a third extension. */ void __attribute__ ((noipa)) f (unsigned int *restrict a, unsigned int *restrict b, unsigned int *restrict c, unsigned char *restrict d, unsigned char *restrict e) { for (__INTPTR_TYPE__ i = 0; i < N; ++i) { unsigned int di = d[i]; unsigned int ei = e[i]; a[i] = di; b[i] = ei; c[i] = di + ei; } } int main (void) { check_vect (); unsigned int a[N], b[N], c[N]; unsigned char d[N], e[N]; for (int i = 0; i < N; ++i) { d[i] = i * 2 + 3; e[i] = i + 100; asm volatile ("" ::: "memory"); } f (a, b, c, d, e); #pragma GCC novector for (int i = 0; i < N; ++i) if (a[i] != i * 2 + 3 || b[i] != i + 100 || c[i] != i * 3 + 103) __builtin_abort (); return 0; } /* { dg-final { scan-tree-dump-not {vect_recog_over_widening_pattern: detected} "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loop" 1 "vect" } } */