(ASM_SPEC): Use PowerPC mode, not 601 mode.

(CPP_SPEC): New macro.
(TARGET_DEFAULT): Generate pure PowerPC code, not 601-specific.

From-SVN: r7546

gcc/config/rs6000/powerpc.h

 /* Definitions of target machine for GNU compiler,
    for IBM RS/6000 PowerPC running AIX version 3.2.
-   Copyright (C) 1993 Free Software Foundation, Inc.
+   Copyright (C) 1993, 1994 Free Software Foundation, Inc.
    Contributed by David Edelsohn (edelsohn@npac.syr.edu).
 
 This file is part of GNU CC.
@@ -23,10 +23,36 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "rs6000/rs6000.h"
 
 #undef ASM_SPEC
-#define ASM_SPEC "-u -m601"
+#define ASM_SPEC "-u -mppc"
+
+#undef CPP_SPEC
+#define CPP_SPEC "\
+%{!mcpu*:
+  %{mpower: %{!mpower2: -D_ARCH_PWR}} \
+  %{mpower2: -D_ARCH_PWR2} \
+  %{mpowerpc*: -D_ARCH_PPC} \
+  %{mno-powerpc: %{!mpower: %{!mpower2: -D_ARCH_COM}}} \
+  %{!mno-powerpc: -D_ARCH_PPC}} \
+%{mcpu=common: -D_ARCH_COM} \
+%{mcpu=power: -D_ARCH_PWR} \
+%{mcpu=powerpc: -D_ARCH_PPC} \
+%{mcpu=rios: -D_ARCH_PWR} \
+%{mcpu=rios1: -D_ARCH_PWR} \
+%{mcpu=rios2: -D_ARCH_PWR2} \
+%{mcpu=rsc: -D_ARCH_PWR} \
+%{mcpu=rsc1: -D_ARCH_PWR} \
+%{mcpu=601: -D_ARCH_PPC -D_ARCH_PWR} \
+%{mcpu=mpc601: -D_ARCH_PPC -D_ARCH_PWR} \
+%{mcpu=ppc601: -D_ARCH_PPC -D_ARCH_PWR} \
+%{mcpu=603: -D_ARCH_PPC} \
+%{mcpu=mpc603: -D_ARCH_PPC} \
+%{mcpu=ppc603: -D_ARCH_PPC} \
+%{mcpu=604: -D_ARCH_PPC} \
+%{mcpu=mpc604: -D_ARCH_PPC} \
+%{mcpu=ppc604: -D_ARCH_PPC}"
 
 #undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_POWER | MASK_POWERPC | MASK_NEW_MNEMONICS)
+#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
 
 #undef PROCESSOR_DEFAULT
 #define PROCESSOR_DEFAULT PROCESSOR_PPC601