/* { 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 1024 /* This should not be treated as an over-widening pattern, even though "(b[i] & 0xef) | 0x80)" could be done in unsigned chars. */ void __attribute__ ((noipa)) f (unsigned short *restrict a, unsigned short *restrict b) { for (__INTPTR_TYPE__ i = 0; i < N; ++i) { unsigned short foo = ((b[i] & 0xef) | 0x80) + (a[i] << 4); a[i] = foo; } } int main (void) { check_vect (); unsigned short a[N], b[N]; for (int i = 0; i < N; ++i) { a[i] = i; b[i] = i * 3; asm volatile ("" ::: "memory"); } f (a, b); for (int i = 0; i < N; ++i) if (a[i] != ((((i * 3) & 0xef) | 0x80) + (i << 4))) __builtin_abort (); return 0; } /* { dg-final { scan-tree-dump-not {vect_recog_over_widening_pattern: detected} "vect" } } */ /* { dg-final { scan-tree-dump-not {vector[^\n]*char} "vect" } } */ /* { dg-final { scan-tree-dump-not {vector[^ ]* int} "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loop" 1 "vect" } } */