| /* { dg-do run } */ |
| /* { dg-require-effective-target avx2 } */ |
| /* { dg-options "-O3 -mavx2" } */ |
| |
| #include "avx2-check.h" |
| |
| typedef unsigned int ui; |
| ui x[32*32]; |
| ui y[32]; |
| ui z[32]; |
| void __attribute__ ((noinline, noclone)) foo (ui n, ui z) |
| { |
| ui i, b; |
| ui v; |
| for (i = 0; i< n; i++) |
| { |
| v = y[i]; |
| if (v) { |
| for (b = 0; b < 32; b++) |
| if ((v >> b) & 1) |
| x[i*32 +b] = z; |
| y[i] = 0; |
| } |
| } |
| } |
| |
| static void |
| avx2_test (void) |
| { |
| int i; |
| unsigned int val; |
| for (i = 0; i<32; i++) |
| { |
| val = 1U << i; |
| y[i] = (i & 1)? 0 : val; |
| z[i] = i; |
| } |
| foo (32, 10); |
| for (i=0; i<1024; i+=66) |
| if (x[i] != 10) |
| __builtin_abort (); |
| } |
