| /* { dg-do run } */ |
| /* { dg-options "-O2 -fmodulo-sched -fmodulo-sched-allow-regmoves -fdump-rtl-sms" } */ |
| |
| extern void abort (void); |
| |
| float out[4][4] = { 6, 6, 7, 5, 6, 7, 5, 5, 6, 4, 4, 4, 6, 2, 3, 4 }; |
| |
| void |
| invert (void) |
| { |
| int i, j, k = 0, swap; |
| float tmp[4][4] = { 5, 6, 7, 5, 6, 7, 5, 5, 4, 4, 4, 4, 3, 2, 3, 4 }; |
| |
| for (i = 0; i < 4; i++) |
| { |
| for (j = i + 1; j < 4; j++) |
| if (tmp[j][i] > tmp[i][i]) |
| swap = j; |
| |
| if (swap != i) |
| tmp[i][k] = tmp[swap][k]; |
| } |
| |
| for (i = 0; i < 4; i++) |
| for (j = 0; j < 4; j++) |
| if (tmp[i][j] != out[i][j]) |
| abort (); |
| } |
| |
| int |
| main () |
| { |
| invert (); |
| return 0; |
| } |
| |