| /* { dg-require-effective-target vect_int } */ |
| |
| #include <stdarg.h> |
| #include "tree-vect.h" |
| |
| #define N 256 |
| |
| unsigned char ub[N]; |
| unsigned char uc[N]; |
| unsigned char diff; |
| |
| __attribute__ ((noinline)) void |
| main1 (unsigned char x, unsigned char max_result, unsigned char min_result) |
| { |
| int i; |
| unsigned char udiff = 2; |
| unsigned char umax = x; |
| unsigned char umin = x; |
| |
| diff = 2; |
| for (i = 0; i < N; i++) { |
| ub[i] = i; |
| uc[i] = i; |
| if (i%16 == 0) |
| { |
| ub[i] = i+2; |
| diff += 2; |
| } |
| if (uc[i] > max_result) |
| max_result = uc[i]; |
| if (uc[i] < min_result) |
| min_result = uc[i]; |
| |
| asm volatile ("" ::: "memory"); |
| } |
| for (i = 0; i < N; i++) { |
| udiff += (unsigned char) (ub[i] - uc[i]); |
| } |
| |
| for (i = 0; i < N; i++) { |
| umax = umax < uc[i] ? uc[i] : umax; |
| } |
| |
| for (i = 0; i < N; i++) { |
| umin = umin > uc[i] ? uc[i] : umin; |
| } |
| |
| /* check results: */ |
| if (udiff != diff) |
| abort (); |
| if (umax != max_result) |
| abort (); |
| if (umin != min_result) |
| abort (); |
| } |
| |
| int main (void) |
| { |
| check_vect (); |
| |
| main1 (100, 100, 1); |
| main1 (0, 15, 0); |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" { xfail vect_no_int_min_max } } } */ |