[gcc(refs/users/aoliva/heads/testme)] strub: disable on rl78

[Alexandre Oliva]

https://gcc.gnu.org/g:0face1561d7f2d801ff6a6da837c36f336dc0c06

commit 0face1561d7f2d801ff6a6da837c36f336dc0c06
Author: Alexandre Oliva <oliva@gnu.org>
Date:   Thu Dec 7 21:50:33 2023 -0300

    strub: disable on rl78

Diff:
---
 gcc/config/rl78/rl78.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gcc/config/rl78/rl78.cc b/gcc/config/rl78/rl78.cc
index 5d8fddbd905..f3507280859 100644
--- a/gcc/config/rl78/rl78.cc
+++ b/gcc/config/rl78/rl78.cc
@@ -4972,6 +4972,11 @@ rl78_preferred_reload_class (rtx x ATTRIBUTE_UNUSED, reg_class_t rclass)
 }
 
 
+/* The strub runtime uses asms, and physical register allocation won't
+   deal with them, so disable it.  */
+#undef TARGET_HAVE_STRUB_SUPPORT_FOR
+#define TARGET_HAVE_STRUB_SUPPORT_FOR hook_bool_tree_false
+
 struct gcc_target targetm = TARGET_INITIALIZER;
 
 #include "gt-rl78.h"