/* { dg-require-effective-target vect_int } */ /* { dg-require-effective-target vect_shift } */ #include #include "tree-vect.h" #define N 64 #define C 16 __attribute__ ((noinline)) void foo (short *src, int *dst) { int i; short b, b0, b1, b2, b3, *s = src; int *d = dst; for (i = 0; i < N/4; i++) { b0 = *s++; b1 = *s++; b2 = *s++; b3 = *s++; *d = b0 << C; d++; *d = b1 << C; d++; *d = b2 << C; d++; *d = b3 << C; d++; } s = src; d = dst; for (i = 0; i < N; i++) { b = *s++; if (*d != b << C) abort (); d++; } s = src; d = dst; for (i = 0; i < N/4; i++) { b0 = *s++; b1 = *s++; b2 = *s++; b3 = *s++; *d = b0 << C; d++; *d = b1 << C; d++; *d = b2 << C; d++; *d = b3 << 6; d++; } s = src; d = dst; for (i = 0; i < N/4; i++) { b = *s++; if (*d != b << C) abort (); d++; b = *s++; if (*d != b << C) abort (); d++; b = *s++; if (*d != b << C) abort (); d++; b = *s++; if (*d != b << 6) abort (); d++; } } int main (void) { int i; short in[N]; int out[N]; check_vect (); for (i = 0; i < N; i++) { in[i] = i; out[i] = 255; __asm__ volatile (""); } foo (in, out); return 0; } /* { dg-final { scan-tree-dump-times "vect_recog_widen_shift_pattern: detected" 8 "vect" { target vect_widen_shift } } } */ /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */