diff options
Diffstat (limited to 'gcc/cfgexpand.c')
| -rw-r--r-- | gcc/cfgexpand.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index 9839d098375..4cc1047fadf 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -350,11 +350,19 @@ stack_var_size_cmp (const void *a, const void *b) { HOST_WIDE_INT sa = stack_vars[*(const size_t *)a].size; HOST_WIDE_INT sb = stack_vars[*(const size_t *)b].size; + unsigned int uida = DECL_UID (stack_vars[*(const size_t *)a].decl); + unsigned int uidb = DECL_UID (stack_vars[*(const size_t *)b].decl); if (sa < sb) return -1; if (sa > sb) return 1; + /* For stack variables of the same size use the uid of the decl + to make the sort stable. */ + if (uida < uidb) + return -1; + if (uida > uidb) + return 1; return 0; } |