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-rw-r--r--gcc/expr.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index 548a407..14709bf 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -9015,8 +9015,13 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
&& stmt_is_replaceable_p (SSA_NAME_DEF_STMT (exp)))
g = SSA_NAME_DEF_STMT (exp);
if (g)
- return expand_expr_real (gimple_assign_rhs_to_tree (g), target, tmode,
- modifier, NULL);
+ {
+ rtx r = expand_expr_real (gimple_assign_rhs_to_tree (g), target,
+ tmode, modifier, NULL);
+ if (REG_P (r) && !REG_EXPR (r))
+ set_reg_attrs_for_decl_rtl (SSA_NAME_VAR (exp), r);
+ return r;
+ }
ssa_name = exp;
decl_rtl = get_rtx_for_ssa_name (ssa_name);