diff options
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index 317aeba..cd7e2a0 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -2147,6 +2147,13 @@ nonoverlapping_memrefs_p (const_rtx x, const_rtx y) if (exprx == 0 || expry == 0) return 0; + /* For spill-slot accesses make sure we have valid offsets. */ + if ((exprx == get_spill_slot_decl (false) + && ! MEM_OFFSET (x)) + || (expry == get_spill_slot_decl (false) + && ! MEM_OFFSET (y))) + return 0; + /* If both are field references, we may be able to determine something. */ if (TREE_CODE (exprx) == COMPONENT_REF && TREE_CODE (expry) == COMPONENT_REF |