diff options
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 12 |
1 files changed, 7 insertions, 5 deletions
@@ -4253,11 +4253,13 @@ store_expr (tree exp, rtx target, int want_value) || side_effects_p (target)))) && TREE_CODE (exp) != ERROR_MARK && ! dont_store_target - /* If store_expr stores a DECL whose DECL_RTL(exp) == TARGET, - but TARGET is not valid memory reference, TEMP will differ - from TARGET although it is really the same location. */ - && (TREE_CODE_CLASS (TREE_CODE (exp)) != 'd' - || target != DECL_RTL_IF_SET (exp)) + /* If store_expr stores a DECL whose DECL_RTL(exp) == TARGET, + but TARGET is not valid memory reference, TEMP will differ + from TARGET although it is really the same location. */ + && !(GET_CODE (target) == MEM + && GET_CODE (XEXP (target, 0)) != QUEUED + && (!memory_address_p (GET_MODE (target), XEXP (target, 0)) + || (flag_force_addr && !REG_P (XEXP (target, 0))))) /* If there's nothing to copy, don't bother. Don't call expr_size unless necessary, because some front-ends (C++) expr_size-hook aborts on objects that are not supposed to be bit-copied or |