RTEMS: Fix powerpc configuration

gcc/ChangeLog:

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

(cherry picked from commit ce3c743d8cfbadc0aaa80267bc002fd05267ffac)

diff --git a/gcc/config/rs6000/rtems.h b/gcc/config/rs6000/rtems.h
index 57a2325991b5d25baf15bb5095c2cfd365950bf5..b36e64fec772626331006d49080b80c7429383ce 100644 (file)
--- 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