diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-09-22 15:43:27 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-09-22 15:43:27 +0000 |
| commit | 7615883aaa47ab3268a344a708b7f61c1affe86a (patch) | |
| tree | 3dc7f167f845bdbf2553d933ab80e6fffce43b25 /gcc/cfgexpand.c | |
| parent | 3ec3503f17126d41760ae9734bcef6b743e623f6 (diff) | |
| download | gcc-7615883aaa47ab3268a344a708b7f61c1affe86a.tar.gz | |
2006-09-22 Richard Guenther <rguenther@suse.de>
PR middle-end/28964
* cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
sort of stack variables stable.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@117146 138bc75d-0d04-0410-961f-82ee72b054a4
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; } |