https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110055
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot
gnu.org
Status|NEW |ASSIGNED
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
The clobber is built by gimplify_target_expr and TARGET_EXPR_SLOT is changed
in place to the static variable.
Does the following fix the RISC-V issue?
diff --git a/gcc/gimplify.cc b/gcc/gimplify.cc
index ade6e335da7..aece89a3e9b 100644
--- a/gcc/gimplify.cc
+++ b/gcc/gimplify.cc
@@ -7154,8 +7154,10 @@ gimplify_target_expr (tree *expr_p, gimple_seq *pre_p,
gimple_seq *post_p)
gimplify_and_add (init, &init_pre_p);
/* Add a clobber for the temporary going out of scope, like
- gimplify_bind_expr. */
+ gimplify_bind_expr. But only if we did not promote the
+ temporary to static storage. */
if (gimplify_ctxp->in_cleanup_point_expr
+ && !TREE_STATIC (temp)
&& needs_to_live_in_memory (temp))
{
if (flag_stack_reuse == SR_ALL)
