vxworks.h (VXCPU_FOR_8548): New.

2014-05-28  Olivier Hainque  <hainque@adacore.com>

        * config/rs6000/vxworks.h (VXCPU_FOR_8548): New. Default to PPC85XX.
        (CPP_SPEC): Add entry for -mcpu=8548.
        * config/rs6000/vxworksae.h: Reinstate. Override VXCPU_FOR_8548.
        * config.gcc (powerpc-wrs-vxworksae, tm_file): Add back vxworksae.h.

From-SVN: r211011

ChangeLog

+2014-05-28  Olivier Hainque  <hainque@adacore.com>
+
+	* config/rs6000/vxworks.h (VXCPU_FOR_8548): New. Default to PPC85XX.
+	(CPP_SPEC): Add entry for -mcpu=8548.
+	* config/rs6000/vxworksae.h: Reinstate. Override	VXCPU_FOR_8548.
+	* config.gcc (powerpc-wrs-vxworksae, tm_file): Add back vxworksae.h.
+
 2014-05-26  Richard Sandiford  <rdsandiford@googlemail.com>
 	    Olivier Hainque  <hainque@adacore.com>
 

gcc/config.gcc

@@ -2313,7 +2313,7 @@ powerpc-wrs-vxworks|powerpc-wrs-vxworksae)
 	extra_headers=ppc-asm.h
 	case ${target} in
 	  *-vxworksae*)
-	    tm_file="${tm_file} vx-common.h vxworksae.h rs6000/vxworks.h rs6000/e500.h"
+	    tm_file="${tm_file} vx-common.h vxworksae.h rs6000/vxworks.h rs6000/e500.h rs6000/vxworksae.h"
 	    tmake_file="${tmake_file} rs6000/t-vxworksae"
 	    ;;
 	  *-vxworks*)

gcc/config/rs6000/vxworks.h

@@ -60,6 +60,12 @@ along with GCC; see the file COPYING3.  If not see
 
 #define SUBTARGET_EXTRA_SPECS /* none needed */
 
+/* VxWorks and VxWorksAE (aka 653) expect different CPU values to designate
+   SPE on 8548.  We define a dedicated macro for the base VxWorks here, which
+   the AE configuration will override.  */
+
+#define VXCPU_FOR_8548 "PPC85XX"
+
 /* FIXME: The only reason we allow no -mcpu switch at all is because
    config-ml.in insists on a "." multilib. */
 #define CPP_SPEC \
@@ -73,6 +79,7 @@ along with GCC; see the file COPYING3.  If not see
      mcpu=604 : -DCPU=PPC604  ; \
      mcpu=860 : -DCPU=PPC860  ; \
      mcpu=8540: -DCPU=PPC85XX ; \
+     mcpu=8548: -DCPU=" VXCPU_FOR_8548 "; \
               : -DCPU=PPC604  }}" \
 VXWORKS_ADDITIONAL_CPP_SPEC
 

gcc/config/rs6000/vxworksae.h

+/* Definitions of target machine for GNU compiler.  PowerPC VxworksAE version.
+   Copyright (C) 2005-2014 Free Software Foundation, Inc.
+   Contributed by CodeSourcery, LLC.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+/* VxWorksAE for E500V2 expects a specific CPU value to designate 8548.  */
+#undef VXCPU_FOR_8548
+#define VXCPU_FOR_8548 "PPCE500V2"