| /* PR tree-optimization/53366 */ |
| /* { dg-do run } */ |
| |
| extern void abort (void); |
| |
| struct T { float r[3], i[3]; }; |
| struct U { struct T j[4]; }; |
| |
| void __attribute__ ((noinline)) |
| foo (struct U *__restrict y, const float _Complex *__restrict x) |
| { |
| int i, j; |
| for (j = 0; j < 4; ++j) |
| { |
| float a = __real__ x[j]; |
| float b = __imag__ x[j]; |
| float c = __real__ x[j + 4]; |
| float d = __imag__ x[j + 4]; |
| for (i = 0; i < 3; ++i) |
| { |
| y->j[j].r[i] = y->j[j].r[i] + a + c; |
| y->j[j].i[i] = y->j[j].i[i] + b + d; |
| } |
| } |
| } |
| |
| _Complex float x[8]; |
| struct U y; |
| |
| int |
| main () |
| { |
| int i, j; |
| for (i = 0; i < 8; ++i) |
| { |
| x[i] = i + 1.0iF * (2 * i); |
| __asm__ volatile (""); |
| } |
| foo (&y, x); |
| for (j = 0; j < 4; ++j) |
| for (i = 0; i < 3; ++i) |
| if (y.j[j].r[i] != __real__ (x[j] + x[j + 4]) |
| || y.j[j].i[i] != __imag__ (x[j] + x[j + 4])) |
| __builtin_abort (); |
| return 0; |
| } |