| /* { dg-require-effective-target vect_int } */ |
| |
| #include "tree-vect.h" |
| #include <stdlib.h> |
| |
| #define N 32 |
| #define COEF 32470 |
| |
| unsigned char in[N]; |
| int out[N]; |
| |
| __attribute__ ((noinline)) void |
| foo () |
| { |
| int i; |
| |
| for (i = 0; i < N; i++) |
| out[i] = in[i] * COEF; |
| } |
| |
| __attribute__ ((noinline)) void |
| bar () |
| { |
| int i; |
| |
| for (i = 0; i < N; i++) |
| out[i] = COEF * in[i]; |
| } |
| |
| int main (void) |
| { |
| int i; |
| |
| for (i = 0; i < N; i++) |
| { |
| in[i] = i; |
| __asm__ volatile (""); |
| } |
| |
| foo (); |
| |
| for (i = 0; i < N; i++) |
| if (out[i] != in[i] * COEF) |
| abort (); |
| |
| bar (); |
| |
| for (i = 0; i < N; i++) |
| if (out[i] != in[i] * COEF) |
| abort (); |
| |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target vect_widen_mult_hi_to_si } } } */ |
| /* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */ |
| /* { dg-final { scan-tree-dump-times "pattern recognized" 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */ |
| /* { dg-final { cleanup-tree-dump "vect" } } */ |
| |