| /* { dg-require-effective-target vect_int } */ |
| |
| #include <stdarg.h> |
| #include "tree-vect.h" |
| |
| #define M00 100 |
| #define M10 216 |
| #define M01 1322 |
| #define M11 13 |
| #define M02 74 |
| #define M12 191 |
| |
| #define N 16 |
| |
| void __attribute__((noinline)) |
| foo (unsigned int *__restrict__ pInput, unsigned int *__restrict__ pOutput) |
| { |
| unsigned int i, a, b; |
| |
| for (i = 0; i < N / 2; i++) |
| { |
| a = *pInput++; |
| b = *pInput++; |
| |
| *pOutput++ = M00 * a + M01 * b; |
| *pOutput++ = M10 * a + M11 * b; |
| } |
| } |
| |
| int main (int argc, const char* argv[]) |
| { |
| unsigned int input[N], output[N], i; |
| unsigned int check_results[N] = {1322, 13, 4166, 471, 7010, 929, 9854, 1387, 12698, 1845, 15542, 2303, 18386, 2761, 21230, 3219}; |
| |
| check_vect (); |
| |
| for (i = 0; i < N; i++) |
| { |
| input[i] = i%256; |
| output[i] = 0; |
| __asm__ volatile (""); |
| } |
| |
| foo (input, output); |
| |
| for (i = 0; i < N; i++) |
| { |
| if (output[i] != check_results[i]) |
| abort (); |
| __asm__ volatile (""); |
| } |
| |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_perm } } } */ |
| /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target { vect_perm && {! vect_load_lanes } } } } } */ |
| /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 0 "vect" { target vect_load_lanes } } } */ |
| /* { dg-final { scan-tree-dump "Built SLP cancelled: can use load/store-lanes" "vect" { target { vect_perm && vect_load_lanes } } } } */ |
| /* { dg-final { scan-tree-dump "LOAD_LANES" "vect" { target vect_load_lanes } } } */ |
| /* { dg-final { scan-tree-dump "STORE_LANES" "vect" { target vect_load_lanes } } } */ |