From 3bfe591d62551605a9d2c6422257dc67b0fa9a2f Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Mon, 12 Feb 2024 14:53:21 +0100
Subject: [PATCH] RTEMS: Fix powerpc configuration

gcc/ChangeLog:

	* config/rs6000/rtems.h (OS_MISSING_POWERPC64): Define.

(cherry picked from commit ce3c743d8cfbadc0aaa80267bc002fd05267ffac)
---
 gcc/config/rs6000/rtems.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/config/rs6000/rtems.h b/gcc/config/rs6000/rtems.h
index 57a2325991b5..b36e64fec772 100644
--- a/gcc/config/rs6000/rtems.h
+++ b/gcc/config/rs6000/rtems.h
@@ -36,6 +36,10 @@
 #endif
 #endif
 
+/* RTEMS configured for the 32-bit multilibs doesn't support saving and
+   restoring 64-bit regs.  */
+#define OS_MISSING_POWERPC64 !TARGET_64BIT
+
 /* Copy and paste from linux64.h and freebsd64.h */
 #undef	TARGET_AIX
 #define	TARGET_AIX TARGET_64BIT
-- 
2.47.2