projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| d0a55efc JJ |
1 | /* PR rtl-optimization/33673 */ |
| 2 | /* { dg-do compile } */ | |
| 3 | /* { dg-options "-Os -fno-forward-propagate -fno-guess-branch-probability -fno-move-loop-invariants -fno-tree-dominator-opts -fno-tree-loop-optimize" } */ | |
| 4 | ||
| 5 | extern int f1 (int); | |
| 6 | extern int f2 (int); | |
| 7 | ||
| 8 | extern int *a; | |
| 9 | ||
| 10 | static void | |
| 11 | find_reg (int n) | |
| 12 | { | |
| 13 | int i, pass; | |
| 14 | unsigned int used[2], used1[2]; | |
| 15 | ||
| 16 | int c = n ? f1 (a[1]) : f2 (a[1]); | |
| 17 | ||
| 18 | for (i = 64, pass = 0; pass <= 1 && i >= 64; pass++) | |
| 19 | { | |
| 20 | if (pass == 1) | |
| 21 | { | |
| 22 | unsigned int *scan_tp_ = used; | |
| 23 | unsigned int *scan_fp_ = used1; | |
| 24 | int j; | |
| 25 | for (j = 0; j < 2; j++) | |
| 26 | *scan_tp_++ = *scan_fp_++; | |
| 27 | } | |
| 28 | for (i = 0; i < 64; i++) | |
| 29 | { | |
| 30 | int regno = i; | |
| 31 | if (n == 0) | |
| 32 | if (i == regno) | |
| 33 | break; | |
| 34 | } | |
| 35 | } | |
| 36 | } | |
| 37 | ||
| 38 | void | |
| 39 | global_alloc () | |
| 40 | { | |
| 41 | find_reg (0); | |
| 42 | find_reg (1); | |
| 43 | } |