Something must have changed as mcore-elf isn't building because mcore.c
doesn't have access to reg_renumber via regs.h.
Fixed in the obvious way and verified that mcore-elf builds again.
Jeff
commit dc49c8409d2ed0ee53618fc334c7c72401550992
Author: Jeff Law <l...@redhat.com>
Date: Sun Nov 1 22:13:54 2015 -0700
* config/mcore/mcore.c: Include regs.h.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ff4a7ff..1ce0d36 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2015-11-01 Jeff Law <j...@redhat.com>
+
+ * config/mcore/mcore.c: Include regs.h.
+
2015-10-31 Segher Boessenkool <seg...@kernel.crashing.org>
* config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Rewrite.
diff --git a/gcc/config/mcore/mcore.c b/gcc/config/mcore/mcore.c
index b42f633..9ca2326 100644
--- a/gcc/config/mcore/mcore.c
+++ b/gcc/config/mcore/mcore.c
@@ -38,6 +38,7 @@
#include "expr.h"
#include "cfgrtl.h"
#include "builtins.h"
+#include "regs.h"
/* This file should be included last. */
#include "target-def.h"
