diff --git a/gcc/config/rs6000/601.md b/gcc/config/rs6000/601.md
new file mode 100644
index 0000000..52644f2
--- /dev/null
+++ b/gcc/config/rs6000/601.md
@@ -0,0 +1,136 @@
+;; Scheduling description for PowerPC 601 processor.
+;;   Copyright (C) 2003-2012 Free Software Foundation, Inc.
+;;
+;; 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/>.
+
+(define_automaton "ppc601,ppc601fp")
+(define_cpu_unit "iu_ppc601" "ppc601")
+(define_cpu_unit "fpu_ppc601" "ppc601fp")
+(define_cpu_unit "bpu_ppc601" "ppc601")
+
+;; PPC601  32-bit IU, FPU, BPU
+
+(define_insn_reservation "ppc601-load" 2
+  (and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,load_ux,load_u,\
+		        load_l,store_c,sync")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601")
+
+(define_insn_reservation "ppc601-store" 2
+  (and (eq_attr "type" "store,store_ux,store_u")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601")
+
+(define_insn_reservation "ppc601-fpload" 3
+  (and (eq_attr "type" "fpload,fpload_ux,fpload_u")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601")
+
+(define_insn_reservation "ppc601-fpstore" 3
+  (and (eq_attr "type" "fpstore,fpstore_ux,fpstore_u")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601+fpu_ppc601")
+
+(define_insn_reservation "ppc601-integer" 1
+  (and (eq_attr "type" "integer,insert_word,insert_dword,shift,\
+                        trap,var_shift_rotate,cntlz,exts,isel")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601")
+
+(define_insn_reservation "ppc601-two" 1
+  (and (eq_attr "type" "two")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601,iu_ppc601")
+
+(define_insn_reservation "ppc601-three" 1
+  (and (eq_attr "type" "three")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601,iu_ppc601,iu_ppc601")
+
+(define_insn_reservation "ppc601-imul" 5
+  (and (eq_attr "type" "imul,imul2,imul3,imul_compare")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601*5")
+
+(define_insn_reservation "ppc601-idiv" 36
+  (and (eq_attr "type" "idiv")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601*36")
+
+; compare executes on integer unit, but feeds insns which
+; execute on the branch unit.
+(define_insn_reservation "ppc601-compare" 3
+  (and (eq_attr "type" "cmp,compare,delayed_compare,\
+                        var_delayed_compare")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601,nothing,bpu_ppc601")
+
+(define_insn_reservation "ppc601-fpcompare" 5
+  (and (eq_attr "type" "fpcompare")
+       (eq_attr "cpu" "ppc601"))
+  "(fpu_ppc601+iu_ppc601*2),nothing*2,bpu_ppc601")
+
+(define_insn_reservation "ppc601-fp" 4
+  (and (eq_attr "type" "fp")
+       (eq_attr "cpu" "ppc601"))
+  "fpu_ppc601")
+
+(define_insn_reservation "ppc601-dmul" 5
+  (and (eq_attr "type" "dmul")
+       (eq_attr "cpu" "ppc601"))
+  "fpu_ppc601*2")
+
+(define_insn_reservation "ppc601-sdiv" 17
+  (and (eq_attr "type" "sdiv")
+       (eq_attr "cpu" "ppc601"))
+  "fpu_ppc601*17")
+
+(define_insn_reservation "ppc601-ddiv" 31
+  (and (eq_attr "type" "ddiv")
+       (eq_attr "cpu" "ppc601"))
+  "fpu_ppc601*31")
+
+(define_insn_reservation "ppc601-mfcr" 2
+  (and (eq_attr "type" "mfcr")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601,bpu_ppc601")
+
+(define_insn_reservation "ppc601-mtcr" 4
+  (and (eq_attr "type" "mtcr")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601,bpu_ppc601")
+
+(define_insn_reservation "ppc601-crlogical" 4
+  (and (eq_attr "type" "cr_logical,delayed_cr")
+       (eq_attr "cpu" "ppc601"))
+  "bpu_ppc601")
+
+(define_insn_reservation "ppc601-mtjmpr" 4
+  (and (eq_attr "type" "mtjmpr")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601,bpu_ppc601")
+
+(define_insn_reservation "ppc601-mfjmpr" 2
+  (and (eq_attr "type" "mfjmpr")
+       (eq_attr "cpu" "ppc601"))
+  "iu_ppc601,bpu_ppc601")
+
+(define_insn_reservation "ppc601-branch" 1
+  (and (eq_attr "type" "jmpreg,branch,isync")
+       (eq_attr "cpu" "ppc601"))
+  "bpu_ppc601")
+
diff --git a/gcc/config/rs6000/aix43.h b/gcc/config/rs6000/aix43.h
index 936176c..8f5786f 100644
--- a/gcc/config/rs6000/aix43.h
+++ b/gcc/config/rs6000/aix43.h
@@ -1,7 +1,6 @@
 /* Definitions of target machine for GNU compiler,
    for IBM RS/6000 POWER running AIX version 4.3.
-   Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
-   2007, 2009, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 1998-2012 Free Software Foundation, Inc.
    Contributed by David Edelsohn (edelsohn@gnu.org).
 
    This file is part of GCC.
@@ -67,11 +66,6 @@ do {									\
 %{mcpu=power3: -m620} \
 %{mcpu=power4: -m620} \
 %{mcpu=powerpc: -mppc} \
-%{mcpu=rios: -mpwr} \
-%{mcpu=rios1: -mpwr} \
-%{mcpu=rios2: -mpwr2} \
-%{mcpu=rsc: -mpwr} \
-%{mcpu=rsc1: -mpwr} \
 %{mcpu=rs64a: -mppc} \
 %{mcpu=601: -m601} \
 %{mcpu=602: -mppc} \
diff --git a/gcc/config/rs6000/aix51.h b/gcc/config/rs6000/aix51.h
index 90d504f..00373ff 100644
--- a/gcc/config/rs6000/aix51.h
+++ b/gcc/config/rs6000/aix51.h
@@ -1,7 +1,6 @@
 /* Definitions of target machine for GNU compiler,
    for IBM RS/6000 POWER running AIX V5.
-   Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 2001-2012 Free Software Foundation, Inc.
    Contributed by David Edelsohn (edelsohn@gnu.org).
 
    This file is part of GCC.
@@ -61,11 +60,6 @@ do {									\
 %{mcpu=power3: -m620} \
 %{mcpu=power4: -m620} \
 %{mcpu=powerpc: -mppc} \
-%{mcpu=rios: -mpwr} \
-%{mcpu=rios1: -mpwr} \
-%{mcpu=rios2: -mpwr2} \
-%{mcpu=rsc: -mpwr} \
-%{mcpu=rsc1: -mpwr} \
 %{mcpu=rs64a: -mppc} \
 %{mcpu=601: -m601} \
 %{mcpu=602: -mppc} \
diff --git a/gcc/config/rs6000/driver-rs6000.c b/gcc/config/rs6000/driver-rs6000.c
index 11e76ea..178bb42 100644
--- a/gcc/config/rs6000/driver-rs6000.c
+++ b/gcc/config/rs6000/driver-rs6000.c
@@ -1,5 +1,5 @@
 /* Subroutines for the gcc driver.
-   Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2012 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -295,15 +295,6 @@ detect_processor_aix (void)
 {
   switch (_system_configuration.implementation)
     {
-    case 0x0001:
-      return "rios1";
-
-    case 0x0002:
-      return "rsc";
-
-    case 0x0004:
-      return "rios2";
-
     case 0x0008:
       return "601";
 
@@ -392,11 +383,6 @@ static const struct asm_name asm_names[] = {
   { "power6x",	"%(asm_cpu_power6) -maltivec" },
   { "power7",	"%(asm_cpu_power7)" },
   { "powerpc",	"-mppc" },
-  { "rios",	"-mpwr" },
-  { "rios1",	"-mpwr" },
-  { "rios2",	"-mpwrx" },
-  { "rsc",	"-mpwr" },
-  { "rsc1",	"-mpwr" },
   { "rs64a",	"-mppc64" },
   { "401",	"-mppc" },
   { "403",	"-m403" },
diff --git a/gcc/config/rs6000/rios1.md b/gcc/config/rs6000/rios1.md
deleted file mode 100644
index 9ad9ce3..0000000
--- a/gcc/config/rs6000/rios1.md
+++ /dev/null
@@ -1,191 +0,0 @@
-;; Scheduling description for IBM POWER processor.
-;;   Copyright (C) 2003, 2004, 2007, 2009 Free Software Foundation, Inc.
-;;
-;; 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/>.
-
-(define_automaton "rios1,rios1fp")
-(define_cpu_unit "iu_rios1" "rios1")
-(define_cpu_unit "fpu_rios1" "rios1fp")
-(define_cpu_unit "bpu_rios1" "rios1")
-
-;; RIOS1  32-bit IU, FPU, BPU
-
-(define_insn_reservation "rios1-load" 2
-  (and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,load_ux,load_u,\
-		        load_l,store_c,sync")
-       (eq_attr "cpu" "rios1,ppc601"))
-  "iu_rios1")
-
-(define_insn_reservation "rios1-store" 2
-  (and (eq_attr "type" "store,store_ux,store_u")
-       (eq_attr "cpu" "rios1,ppc601"))
-  "iu_rios1")
-
-(define_insn_reservation "rios1-fpload" 2
-  (and (eq_attr "type" "fpload,fpload_ux,fpload_u")
-       (eq_attr "cpu" "rios1"))
-  "iu_rios1")
-
-(define_insn_reservation "ppc601-fpload" 3
-  (and (eq_attr "type" "fpload,fpload_ux,fpload_u")
-       (eq_attr "cpu" "ppc601"))
-  "iu_rios1")
-
-(define_insn_reservation "rios1-fpstore" 3
-  (and (eq_attr "type" "fpstore,fpstore_ux,fpstore_u")
-       (eq_attr "cpu" "rios1,ppc601"))
-  "iu_rios1+fpu_rios1")
-
-(define_insn_reservation "rios1-integer" 1
-  (and (eq_attr "type" "integer,insert_word,insert_dword,shift,\
-                        trap,var_shift_rotate,cntlz,exts,isel")
-       (eq_attr "cpu" "rios1,ppc601"))
-  "iu_rios1")
-
-(define_insn_reservation "rios1-two" 1
-  (and (eq_attr "type" "two")
-       (eq_attr "cpu" "rios1,ppc601"))
-  "iu_rios1,iu_rios1")
-
-(define_insn_reservation "rios1-three" 1
-  (and (eq_attr "type" "three")
-       (eq_attr "cpu" "rios1,ppc601"))
-  "iu_rios1,iu_rios1,iu_rios1")
-
-(define_insn_reservation "rios1-imul" 5
-  (and (eq_attr "type" "imul,imul_compare")
-       (eq_attr "cpu" "rios1"))
-  "iu_rios1*5")
-
-(define_insn_reservation "rios1-imul2" 4
-  (and (eq_attr "type" "imul2")
-       (eq_attr "cpu" "rios1"))
-  "iu_rios1*4")
-
-(define_insn_reservation "rios1-imul3" 3
-  (and (eq_attr "type" "imul")
-       (eq_attr "cpu" "rios1"))
-  "iu_rios1*3")
-
-(define_insn_reservation "ppc601-imul" 5
-  (and (eq_attr "type" "imul,imul2,imul3,imul_compare")
-       (eq_attr "cpu" "ppc601"))
-  "iu_rios1*5")
-
-(define_insn_reservation "rios1-idiv" 19
-  (and (eq_attr "type" "idiv")
-       (eq_attr "cpu" "rios1"))
-  "iu_rios1*19")
-
-(define_insn_reservation "ppc601-idiv" 36
-  (and (eq_attr "type" "idiv")
-       (eq_attr "cpu" "ppc601"))
-  "iu_rios1*36")
-
-; compare executes on integer unit, but feeds insns which
-; execute on the branch unit.
-(define_insn_reservation "rios1-compare" 4
-  (and (eq_attr "type" "cmp,fast_compare,compare")
-       (eq_attr "cpu" "rios1"))
-  "iu_rios1,nothing*2,bpu_rios1")
-
-(define_insn_reservation "rios1-delayed_compare" 5
-  (and (eq_attr "type" "delayed_compare,var_delayed_compare")
-       (eq_attr "cpu" "rios1"))
-  "iu_rios1,nothing*3,bpu_rios1")
-
-(define_insn_reservation "ppc601-compare" 3
-  (and (eq_attr "type" "cmp,compare,delayed_compare,\
-                        var_delayed_compare")
-       (eq_attr "cpu" "ppc601"))
-  "iu_rios1,nothing,bpu_rios1")
-
-(define_insn_reservation "rios1-fpcompare" 9
-  (and (eq_attr "type" "fpcompare")
-       (eq_attr "cpu" "rios1"))
-  "fpu_rios1,nothing*3,bpu_rios1")
-
-(define_insn_reservation "ppc601-fpcompare" 5
-  (and (eq_attr "type" "fpcompare")
-       (eq_attr "cpu" "ppc601"))
-  "(fpu_rios1+iu_rios1*2),nothing*2,bpu_rios1")
-
-(define_insn_reservation "rios1-fp" 2
-  (and (eq_attr "type" "fp,dmul")
-       (eq_attr "cpu" "rios1"))
-  "fpu_rios1")
-
-(define_insn_reservation "ppc601-fp" 4
-  (and (eq_attr "type" "fp")
-       (eq_attr "cpu" "ppc601"))
-  "fpu_rios1")
-
-(define_insn_reservation "rios1-dmul" 5
-  (and (eq_attr "type" "dmul")
-       (eq_attr "cpu" "ppc601"))
-  "fpu_rios1*2")
-
-(define_insn_reservation "rios1-sdiv" 19
-  (and (eq_attr "type" "sdiv,ddiv")
-       (eq_attr "cpu" "rios1"))
-  "fpu_rios1*19")
-
-(define_insn_reservation "ppc601-sdiv" 17
-  (and (eq_attr "type" "sdiv")
-       (eq_attr "cpu" "ppc601"))
-  "fpu_rios1*17")
-
-(define_insn_reservation "ppc601-ddiv" 31
-  (and (eq_attr "type" "ddiv")
-       (eq_attr "cpu" "ppc601"))
-  "fpu_rios1*31")
-
-(define_insn_reservation "rios1-mfcr" 2
-  (and (eq_attr "type" "mfcr")
-       (eq_attr "cpu" "rios1,ppc601"))
-  "iu_rios1,bpu_rios1")
-
-(define_insn_reservation "rios1-mtcr" 4
-  (and (eq_attr "type" "mtcr")
-       (eq_attr "cpu" "rios1,ppc601"))
-  "iu_rios1,bpu_rios1")
-
-(define_insn_reservation "rios1-crlogical" 4
-  (and (eq_attr "type" "cr_logical,delayed_cr")
-       (eq_attr "cpu" "rios1,ppc601"))
-  "bpu_rios1")
-
-(define_insn_reservation "rios1-mtjmpr" 5
-  (and (eq_attr "type" "mtjmpr")
-       (eq_attr "cpu" "rios1"))
-  "iu_rios1,bpu_rios1")
-
-(define_insn_reservation "ppc601-mtjmpr" 4
-  (and (eq_attr "type" "mtjmpr")
-       (eq_attr "cpu" "ppc601"))
-  "iu_rios1,bpu_rios1")
-
-(define_insn_reservation "rios1-mfjmpr" 2
-  (and (eq_attr "type" "mfjmpr")
-       (eq_attr "cpu" "rios1,ppc601"))
-  "iu_rios1,bpu_rios1")
-
-(define_insn_reservation "rios1-branch" 1
-  (and (eq_attr "type" "jmpreg,branch,isync")
-       (eq_attr "cpu" "rios1,ppc601"))
-  "bpu_rios1")
-
diff --git a/gcc/config/rs6000/rios2.md b/gcc/config/rs6000/rios2.md
deleted file mode 100644
index 96633af..0000000
--- a/gcc/config/rs6000/rios2.md
+++ /dev/null
@@ -1,129 +0,0 @@
-;; Scheduling description for IBM Power2 processor.
-;;   Copyright (C) 2003, 2004, 2007, 2009 Free Software Foundation, Inc.
-;;
-;; 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/>.
-
-(define_automaton "rios2,rios2fp")
-(define_cpu_unit "iu1_rios2,iu2_rios2" "rios2")
-(define_cpu_unit "fpu1_rios2,fpu2_rios2" "rios2fp")
-(define_cpu_unit "bpu_rios2" "rios2")
-
-;; RIOS2 32-bit 2xIU, 2xFPU, BPU
-;; IU1 can perform all integer operations
-;; IU2 can perform all integer operations except imul and idiv
-
-(define_insn_reservation "rios2-load" 2
-  (and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,\
-		        load_ux,load_u,fpload,fpload_ux,fpload_u,\
-			load_l,store_c,sync")
-       (eq_attr "cpu" "rios2"))
-  "iu1_rios2|iu2_rios2")
-
-(define_insn_reservation "rios2-store" 2
-  (and (eq_attr "type" "store,store_ux,store_u,fpstore,fpstore_ux,fpstore_u")
-       (eq_attr "cpu" "rios2"))
-  "iu1_rios2|iu2_rios2")
-
-(define_insn_reservation "rios2-integer" 1
-  (and (eq_attr "type" "integer,insert_word,insert_dword,shift,trap,\
-                         var_shift_rotate,cntlz,exts,isel")
-       (eq_attr "cpu" "rios2"))
-  "iu1_rios2|iu2_rios2")
-
-(define_insn_reservation "rios2-two" 1
-  (and (eq_attr "type" "two")
-       (eq_attr "cpu" "rios2"))
-  "iu1_rios2|iu2_rios2,iu1_rios2|iu2_rios2")
-
-(define_insn_reservation "rios2-three" 1
-  (and (eq_attr "type" "three")
-       (eq_attr "cpu" "rios2"))
-  "iu1_rios2|iu2_rios2,iu1_rios2|iu2_rios2,iu1_rios2|iu2_rios2")
-
-(define_insn_reservation "rios2-imul" 2
-  (and (eq_attr "type" "imul,imul2,imul3,imul_compare")
-       (eq_attr "cpu" "rios2"))
-  "iu1_rios2*2")
-
-(define_insn_reservation "rios2-idiv" 13
-  (and (eq_attr "type" "idiv")
-       (eq_attr "cpu" "rios2"))
-  "iu1_rios2*13")
-
-; compare executes on integer unit, but feeds insns which
-; execute on the branch unit.
-(define_insn_reservation "rios2-compare" 3
-  (and (eq_attr "type" "cmp,fast_compare,compare,delayed_compare,\
-                        var_delayed_compare")
-       (eq_attr "cpu" "rios2"))
-  "(iu1_rios2|iu2_rios2),nothing,bpu_rios2")
-
-(define_insn_reservation "rios2-fp" 2
-  (and (eq_attr "type" "fp")
-       (eq_attr "cpu" "rios2"))
-  "fpu1_rios2|fpu2_rios2")
-
-(define_insn_reservation "rios2-fpcompare" 5
-  (and (eq_attr "type" "fpcompare")
-       (eq_attr "cpu" "rios2"))
-  "(fpu1_rios2|fpu2_rios2),nothing*3,bpu_rios2")
-
-(define_insn_reservation "rios2-dmul" 2
-  (and (eq_attr "type" "dmul")
-       (eq_attr "cpu" "rios2"))
-  "fpu1_rios2|fpu2_rios2")
-
-(define_insn_reservation "rios2-sdiv" 17
-  (and (eq_attr "type" "sdiv,ddiv")
-       (eq_attr "cpu" "rios2"))
-  "(fpu1_rios2*17)|(fpu2_rios2*17)")
-
-(define_insn_reservation "rios2-ssqrt" 26
-  (and (eq_attr "type" "ssqrt,dsqrt")
-       (eq_attr "cpu" "rios2"))
-  "(fpu1_rios2*26)|(fpu2_rios2*26)")
-
-(define_insn_reservation "rios2-mfcr" 2
-  (and (eq_attr "type" "mfcr")
-       (eq_attr "cpu" "rios2"))
-  "iu1_rios2,bpu_rios2")
-
-(define_insn_reservation "rios2-mtcr" 3
-  (and (eq_attr "type" "mtcr")
-       (eq_attr "cpu" "rios2"))
-  "iu1_rios2,bpu_rios2")
-
-(define_insn_reservation "rios2-crlogical" 3
-  (and (eq_attr "type" "cr_logical,delayed_cr")
-       (eq_attr "cpu" "rios2"))
-  "bpu_rios2")
-
-(define_insn_reservation "rios2-mtjmpr" 5
-  (and (eq_attr "type" "mtjmpr")
-       (eq_attr "cpu" "rios2"))
-  "iu1_rios2,bpu_rios2")
-
-(define_insn_reservation "rios2-mfjmpr" 2
-  (and (eq_attr "type" "mfjmpr")
-       (eq_attr "cpu" "rios2"))
-  "iu1_rios2,bpu_rios2")
-
-(define_insn_reservation "rios2-branch" 1
-  (and (eq_attr "type" "jmpreg,branch,isync")
-       (eq_attr "cpu" "rios2"))
-  "bpu_rios2")
-
diff --git a/gcc/config/rs6000/rs6000-cpus.def b/gcc/config/rs6000/rs6000-cpus.def
index 6f4e055..74c5803 100644
--- a/gcc/config/rs6000/rs6000-cpus.def
+++ b/gcc/config/rs6000/rs6000-cpus.def
@@ -1,7 +1,5 @@
 /* IBM RS/6000 CPU names..
-   Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
    Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
 
    This file is part of GCC.
@@ -133,11 +131,5 @@ RS6000_CPU ("power7", PROCESSOR_POWER7,   /* Don't add MASK_ISEL by default */
 RS6000_CPU ("powerpc", PROCESSOR_POWERPC, POWERPC_BASE_MASK)
 RS6000_CPU ("powerpc64", PROCESSOR_POWERPC64,
 	    POWERPC_BASE_MASK | MASK_PPC_GFXOPT | MASK_POWERPC64)
-RS6000_CPU ("rios", PROCESSOR_RIOS1, MASK_POWER | MASK_MULTIPLE | MASK_STRING)
-RS6000_CPU ("rios1", PROCESSOR_RIOS1, MASK_POWER | MASK_MULTIPLE | MASK_STRING)
-RS6000_CPU ("rios2", PROCESSOR_RIOS2,
-	    MASK_POWER | MASK_POWER2 | MASK_MULTIPLE | MASK_STRING)
-RS6000_CPU ("rsc", PROCESSOR_PPC601, MASK_POWER | MASK_MULTIPLE | MASK_STRING)
-RS6000_CPU ("rsc1", PROCESSOR_PPC601, MASK_POWER | MASK_MULTIPLE | MASK_STRING)
 RS6000_CPU ("rs64", PROCESSOR_RS64A,
 	    POWERPC_BASE_MASK | MASK_PPC_GFXOPT | MASK_POWERPC64)
diff --git a/gcc/config/rs6000/rs6000-opts.h b/gcc/config/rs6000/rs6000-opts.h
index 604fe17..ea5f101 100644
--- a/gcc/config/rs6000/rs6000-opts.h
+++ b/gcc/config/rs6000/rs6000-opts.h
@@ -1,7 +1,6 @@
 /* Definitions of target machine needed for option handling for GNU compiler,
    for IBM RS/6000.
-   Copyright (C) 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 2010-2012 Free Software Foundation, Inc.
    Contributed by Michael Meissner (meissner@linux.vnet.ibm.com)
 
    This file is part of GCC.
@@ -31,8 +30,6 @@
 /* Processor type.  Order must match cpu attribute in MD file.  */
 enum processor_type
  {
-   PROCESSOR_RIOS1,
-   PROCESSOR_RIOS2,
    PROCESSOR_RS64A,
    PROCESSOR_MPCCORE,
    PROCESSOR_PPC403,
diff --git a/gcc/config/rs6000/rs6000-tables.opt b/gcc/config/rs6000/rs6000-tables.opt
index ccf2b85..2cc5f7a 100644
--- a/gcc/config/rs6000/rs6000-tables.opt
+++ b/gcc/config/rs6000/rs6000-tables.opt
@@ -192,20 +192,5 @@ EnumValue
 Enum(rs6000_cpu_opt_value) String(powerpc64) Value(54)
 
 EnumValue
-Enum(rs6000_cpu_opt_value) String(rios) Value(55)
-
-EnumValue
-Enum(rs6000_cpu_opt_value) String(rios1) Value(56)
-
-EnumValue
-Enum(rs6000_cpu_opt_value) String(rios2) Value(57)
-
-EnumValue
-Enum(rs6000_cpu_opt_value) String(rsc) Value(58)
-
-EnumValue
-Enum(rs6000_cpu_opt_value) String(rsc1) Value(59)
-
-EnumValue
-Enum(rs6000_cpu_opt_value) String(rs64) Value(60)
+Enum(rs6000_cpu_opt_value) String(rs64) Value(55)
 
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index fe7c4d7..337a95d 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -1,8 +1,5 @@
 /* Subroutines used for code generation on IBM RS/6000.
-   Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
-   2012
-   Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 Free Software Foundation, Inc.
    Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
 
    This file is part of GCC.
@@ -354,44 +351,6 @@ struct processor_costs size64_cost = {
   0,
 };
 
-/* Instruction costs on RIOS1 processors.  */
-static const
-struct processor_costs rios1_cost = {
-  COSTS_N_INSNS (5),    /* mulsi */
-  COSTS_N_INSNS (4),    /* mulsi_const */
-  COSTS_N_INSNS (3),    /* mulsi_const9 */
-  COSTS_N_INSNS (5),    /* muldi */
-  COSTS_N_INSNS (19),   /* divsi */
-  COSTS_N_INSNS (19),   /* divdi */
-  COSTS_N_INSNS (2),    /* fp */
-  COSTS_N_INSNS (2),    /* dmul */
-  COSTS_N_INSNS (19),   /* sdiv */
-  COSTS_N_INSNS (19),   /* ddiv */
-  128,			/* cache line size */
-  64,			/* l1 cache */
-  512,			/* l2 cache */
-  0,			/* streams */
-};
-
-/* Instruction costs on RIOS2 processors.  */
-static const
-struct processor_costs rios2_cost = {
-  COSTS_N_INSNS (2),    /* mulsi */
-  COSTS_N_INSNS (2),    /* mulsi_const */
-  COSTS_N_INSNS (2),    /* mulsi_const9 */
-  COSTS_N_INSNS (2),    /* muldi */
-  COSTS_N_INSNS (13),   /* divsi */
-  COSTS_N_INSNS (13),   /* divdi */
-  COSTS_N_INSNS (2),    /* fp */
-  COSTS_N_INSNS (2),    /* dmul */
-  COSTS_N_INSNS (17),   /* sdiv */
-  COSTS_N_INSNS (17),   /* ddiv */
-  256,			/* cache line size */
-  256,			/* l1 cache */
-  1024,			/* l2 cache */
-  0,			/* streams */
-};
-
 /* Instruction costs on RS64A processors.  */
 static const
 struct processor_costs rs64a_cost = {
@@ -3001,14 +2960,6 @@ rs6000_option_override_internal (bool global_init_p)
   else
     switch (rs6000_cpu)
       {
-      case PROCESSOR_RIOS1:
-	rs6000_cost = &rios1_cost;
-	break;
-
-      case PROCESSOR_RIOS2:
-	rs6000_cost = &rios2_cost;
-	break;
-
       case PROCESSOR_RS64A:
 	rs6000_cost = &rs64a_cost;
 	break;
@@ -6575,8 +6526,7 @@ rs6000_conditional_register_usage (void)
     fprintf (stderr, "rs6000_conditional_register_usage called\n");
 
   /* Set MQ register fixed (already call_used) if not POWER
-     architecture (RIOS1, RIOS2, RSC, and PPC601) so that it will not
-     be allocated.  */
+     architecture (PPC601) so that it will not be allocated.  */
   if (! TARGET_POWER)
     fixed_regs[64] = 1;
 
@@ -23162,7 +23112,6 @@ rs6000_issue_rate (void)
     return 1;
 
   switch (rs6000_cpu_attr) {
-  case CPU_RIOS1:  /* ? */
   case CPU_RS64A:
   case CPU_PPC601: /* ? */
   case CPU_PPC7450:
@@ -23182,7 +23131,6 @@ rs6000_issue_rate (void)
   case CPU_PPCE6500:
   case CPU_TITAN:
     return 2;
-  case CPU_RIOS2:
   case CPU_PPC476:
   case CPU_PPC604:
   case CPU_PPC604E:
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index 2c8a7dd..fea4bac 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -1,8 +1,5 @@
 /* Definitions of target machine for GNU compiler, for IBM RS/6000.
-   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
-   2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 1992-2012 Free Software Foundation, Inc.
    Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
 
    This file is part of GCC.
@@ -124,11 +121,6 @@
 %{mcpu=power7: %(asm_cpu_power7)} \
 %{mcpu=a2: -ma2} \
 %{mcpu=powerpc: -mppc} \
-%{mcpu=rios: -mpwr} \
-%{mcpu=rios1: -mpwr} \
-%{mcpu=rios2: -mpwrx} \
-%{mcpu=rsc: -mpwr} \
-%{mcpu=rsc1: -mpwr} \
 %{mcpu=rs64a: -mppc64} \
 %{mcpu=401: -mppc} \
 %{mcpu=403: -m403} \
@@ -356,12 +348,12 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
 
 /* Define generic processor types based upon current deployment.  */
 #define PROCESSOR_COMMON    PROCESSOR_PPC601
-#define PROCESSOR_POWER     PROCESSOR_RIOS1
+#define PROCESSOR_POWER     PROCESSOR_PPC601
 #define PROCESSOR_POWERPC   PROCESSOR_PPC604
 #define PROCESSOR_POWERPC64 PROCESSOR_RS64A
 
 /* Define the default processor.  This is overridden by other tm.h files.  */
-#define PROCESSOR_DEFAULT   PROCESSOR_RIOS1
+#define PROCESSOR_DEFAULT   PROCESSOR_PPC603
 #define PROCESSOR_DEFAULT64 PROCESSOR_RS64A
 
 /* Specify the dialect of assembler to use.  New mnemonics is dialect one
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 7f7f5ad..0dc4d34 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -1,8 +1,5 @@
 ;; Machine description for IBM RISC System 6000 (POWER) for GNU C compiler
-;; Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-;; 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-;; 2011, 2012
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1990-2012 Free Software Foundation, Inc.
 ;; Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
 
 ;; This file is part of GCC.
@@ -167,7 +164,7 @@ (define_attr "length" ""
 ;; Processor type -- this attribute must exactly match the processor_type
 ;; enumeration in rs6000.h.
 
-(define_attr "cpu" "rios1,rios2,rs64a,mpccore,ppc403,ppc405,ppc440,ppc476,ppc601,ppc603,ppc604,ppc604e,ppc620,ppc630,ppc750,ppc7400,ppc7450,ppc8540,ppc8548,ppce300c2,ppce300c3,ppce500mc,ppce500mc64,ppce5500,ppce6500,power4,power5,power6,power7,cell,ppca2,titan"
+(define_attr "cpu" "rs64a,mpccore,ppc403,ppc405,ppc440,ppc476,ppc601,ppc603,ppc604,ppc604e,ppc620,ppc630,ppc750,ppc7400,ppc7450,ppc8540,ppc8548,ppce300c2,ppce300c3,ppce500mc,ppce500mc64,ppce5500,ppce6500,power4,power5,power6,power7,cell,ppca2,titan"
   (const (symbol_ref "rs6000_cpu_attr")))
 
 
@@ -180,13 +177,12 @@ (define_attr "cell_micro" "not,conditional,always"
 
 (automata_option "ndfa")
 
-(include "rios1.md")
-(include "rios2.md")
 (include "rs64.md")
 (include "mpc.md")
 (include "40x.md")
 (include "440.md")
 (include "476.md")
+(include "601.md")
 (include "603.md")
 (include "6xx.md")
 (include "7xx.md")
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index d428133..fd3a272 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -1,7 +1,6 @@
 ; Options for the rs6000 port of the compiler
 ;
-; Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
-; Foundation, Inc.
+; Copyright (C) 2005-2012 Free Software Foundation, Inc.
 ; Contributed by Aldy Hernandez <aldy@quesejoda.com>.
 ;
 ; This file is part of GCC.
@@ -25,7 +24,7 @@ config/rs6000/rs6000-opts.h
 
 ;; Current processor
 TargetVariable
-enum processor_type rs6000_cpu = PROCESSOR_RIOS1
+enum processor_type rs6000_cpu = PROCESSOR_PPC603
 
 ;; Always emit branch hint bits.
 TargetVariable
diff --git a/gcc/config/rs6000/t-aix43 b/gcc/config/rs6000/t-aix43
index 97ce70e..c857c44 100644
--- a/gcc/config/rs6000/t-aix43
+++ b/gcc/config/rs6000/t-aix43
@@ -1,5 +1,4 @@
-# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-# 2006, 2011 Free Software Foundation, Inc.
+# Copyright (C) 1998-2012 Free Software Foundation, Inc.
 #
 # This file is part of GCC.
 #
@@ -31,10 +30,6 @@ MULTILIB_MATCHES	= mcpu?power=mcpu?power \
 			  mcpu?powerpc=mcpu?power3 \
 			  mcpu?powerpc=mcpu?power4 \
 			  mcpu?powerpc=mcpu?powerpc \
-			  mcpu?power=mcpu?rios1 \
-			  mcpu?power=mcpu?rios2 \
-			  mcpu?power=mcpu?rsc \
-			  mcpu?power=mcpu?rsc1 \
 			  mcpu?powerpc=mcpu?rs64a \
 			  mcpu?powerpc=mcpu?601 \
 			  mcpu?powerpc=mcpu?602 \
diff --git a/gcc/config/rs6000/t-rs6000 b/gcc/config/rs6000/t-rs6000
index 100dccc..8acc339 100644
--- a/gcc/config/rs6000/t-rs6000
+++ b/gcc/config/rs6000/t-rs6000
@@ -1,7 +1,6 @@
 # General rules that all rs6000/ targets must have.
 #
-# Copyright (C) 1995, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2008, 2009,
-# 2010, 2011 Free Software Foundation, Inc.
+# Copyright (C) 1995-2012 Free Software Foundation, Inc.
 #
 # This file is part of GCC.
 #
@@ -44,12 +43,11 @@ $(srcdir)/config/rs6000/rs6000-tables.opt: $(srcdir)/config/rs6000/genopt.sh \
 # The rs6000 backend doesn't cause warnings in these files.
 insn-conditions.o-warn =
 
-MD_INCLUDES = $(srcdir)/config/rs6000/rios1.md \
-	$(srcdir)/config/rs6000/rios2.md \
-	$(srcdir)/config/rs6000/rs64.md \
+MD_INCLUDES = $(srcdir)/config/rs6000/rs64.md \
 	$(srcdir)/config/rs6000/mpc.md \
 	$(srcdir)/config/rs6000/40x.md \
 	$(srcdir)/config/rs6000/440.md \
+	$(srcdir)/config/rs6000/601.md \
 	$(srcdir)/config/rs6000/603.md \
 	$(srcdir)/config/rs6000/6xx.md \
 	$(srcdir)/config/rs6000/7xx.md \
