| /* Disabling epilogues until we find a better way to deal with scans. */ |
| /* { dg-additional-options "--param vect-epilogues-nomask=0" } */ |
| /* { dg-require-effective-target vect_int } */ |
| |
| #include <stdarg.h> |
| #include "tree-vect.h" |
| |
| #define N 128 |
| unsigned char udata_ch[N]; |
| #define SUM N*(N-1) |
| |
| __attribute__ ((noinline)) int |
| foo () |
| { |
| int i; |
| unsigned int intsum = 0; |
| |
| for (i = 0; i < N; i++) |
| { |
| udata_ch[i] = i*2; |
| asm volatile ("" ::: "memory"); |
| } |
| |
| /* widenning sum: sum chars into int. */ |
| for (i = 0; i < N; i++) |
| { |
| intsum += udata_ch[i]; |
| } |
| |
| /* check results: */ |
| if (intsum != SUM) |
| abort (); |
| |
| return 0; |
| } |
| |
| int |
| main (void) |
| { |
| check_vect (); |
| return foo (); |
| } |
| |
| /* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected" 1 "vect" } } */ |
| /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_widen_sum_qi_to_si || vect_unpack } } } } */ |
| /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { { ! vect_widen_sum_qi_to_si } && { ! vect_unpack } } } } } */ |