--- gcc/config/rs6000/rs6000.md	2018/04/24 18:22:51	1.1.1.3
+++ gcc/config/rs6000/rs6000.md	2018/04/24 18:30:35	1.1.1.4
@@ -1,5 +1,5 @@
 ;; Machine description for IBM RISC System 6000 (POWER) for GNU C compiler
-;; Copyright (C) 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+;; Copyright (C) 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
 ;; Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
 
 ;; This file is part of GNU CC.
@@ -16,7 +16,8 @@
 
 ;; You should have received a copy of the GNU General Public License
 ;; along with GNU CC; see the file COPYING.  If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; the Free Software Foundation, 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
 
 ;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
 
@@ -39,7 +40,7 @@
 ;; Processor type -- this attribute must exactly match the processor_type
 ;; enumeration in rs6000.h.
 
-(define_attr "cpu" "rios1,rios2,ppc601,ppc603,ppc604,ppc620"
+(define_attr "cpu" "rios1,rios2,ppc403,ppc601,ppc603,ppc604,ppc620"
   (const (symbol_ref "rs6000_cpu_attr")))
 
 ; (define_function_unit NAME MULTIPLICITY SIMULTANEITY
@@ -59,7 +60,7 @@
 
 (define_function_unit "iu" 1 0
   (and (eq_attr "type" "load")
-       (eq_attr "cpu" "rios1,ppc601"))
+       (eq_attr "cpu" "rios1,ppc403,ppc601"))
   2 0)
 
 (define_function_unit "iu" 1 0
@@ -76,6 +77,11 @@
 
 (define_function_unit "iu" 1 0
   (and (eq_attr "type" "imul")
+       (eq_attr "cpu" "ppc403"))
+  4 4)
+
+(define_function_unit "iu" 1 0
+  (and (eq_attr "type" "imul")
        (eq_attr "cpu" "ppc601,ppc603"))
   5 5)
 
@@ -86,6 +92,11 @@
 
 (define_function_unit "iu" 1 0
   (and (eq_attr "type" "idiv")
+       (eq_attr "cpu" "ppc403"))
+  33 33)
+
+(define_function_unit "iu" 1 0
+  (and (eq_attr "type" "idiv")
        (eq_attr "cpu" "ppc601"))
   36 36)
 
@@ -160,7 +171,7 @@
 
 (define_function_unit "bpu" 1 0
   (and (eq_attr "type" "mtjmpr")
-       (eq_attr "cpu" "ppc601,ppc603,ppc604,ppc620"))
+       (eq_attr "cpu" "ppc403,ppc601,ppc603,ppc604,ppc620"))
   4 0)
 
 ; Floating Point Unit (RIOS1, PPC601, PPC603, PPC604).
@@ -422,7 +433,7 @@
 
 (define_insn ""
   [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r")
-	(sign_extend:DI (match_operand:SI 1 "reg_or_mem_operand" "m,r")))]
+	(sign_extend:DI (match_operand:SI 1 "lwa_operand" "m,r")))]
   "TARGET_POWERPC64"
   "@
    lwa%U1%X1 %0,%1
@@ -744,7 +755,7 @@
    {cax.|add.} %3,%1,%2
    {ai.|addic.} %3,%1,%2"
   [(set_attr "type" "compare")])
-   
+
 (define_insn ""
   [(set (match_operand:CC 3 "cc_reg_operand" "=x,x")
 	(compare:CC (plus:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r")
@@ -757,7 +768,7 @@
    {cax.|add.} %0,%1,%2
    {ai.|addic.} %0,%1,%2"
   [(set_attr "type" "compare")])
-   
+
 ;; Split an add that we can't do in one insn into two insns, each of which
 ;; does one 16-bit part.  This is used by combine.  Note that the low-order
 ;; add should be last in case the result gets used in an address.
@@ -936,9 +947,9 @@
 
 (define_expand "uminsi3"
   [(set (match_dup 3) (xor:SI (match_operand:SI 1 "gpc_reg_operand" "")
-			      (const_int -2147483648)))
+			      (match_dup 5)))
    (set (match_dup 4) (xor:SI (match_operand:SI 2 "gpc_reg_operand" "")
-			      (const_int -2147483648)))
+			      (match_dup 5)))
    (set (match_dup 3) (if_then_else:SI (gt (match_dup 3) (match_dup 4))
 				       (const_int 0)
 				       (minus:SI (match_dup 4) (match_dup 3))))
@@ -946,13 +957,17 @@
 	(minus:SI (match_dup 2) (match_dup 3)))]
   "TARGET_POWER"
   "
-{ operands[3] = gen_reg_rtx (SImode);  operands[4] = gen_reg_rtx (SImode); }")
+{
+  operands[3] = gen_reg_rtx (SImode);
+  operands[4] = gen_reg_rtx (SImode);
+  operands[5] = GEN_INT (-2147483647 - 1);
+}")
 
 (define_expand "umaxsi3"
   [(set (match_dup 3) (xor:SI (match_operand:SI 1 "gpc_reg_operand" "")
-			      (const_int -2147483648)))
+			      (match_dup 5)))
    (set (match_dup 4) (xor:SI (match_operand:SI 2 "gpc_reg_operand" "")
-			      (const_int -2147483648)))
+			      (match_dup 5)))
    (set (match_dup 3) (if_then_else:SI (gt (match_dup 3) (match_dup 4))
 				       (const_int 0)
 				       (minus:SI (match_dup 4) (match_dup 3))))
@@ -960,7 +975,11 @@
 	(plus:SI (match_dup 3) (match_dup 1)))]
   "TARGET_POWER"
   "
-{ operands[3] = gen_reg_rtx (SImode);  operands[4] = gen_reg_rtx (SImode); }")
+{
+  operands[3] = gen_reg_rtx (SImode);
+  operands[4] = gen_reg_rtx (SImode);
+  operands[5] = GEN_INT (-2147483647 - 1);
+}")
 
 (define_insn ""
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
@@ -1002,18 +1021,77 @@
 
 ;; We don't need abs with condition code because such comparisons should
 ;; never be done.
-(define_insn "abssi2"
+(define_expand "abssi2"
+  [(set (match_operand:SI 0 "gpc_reg_operand" "")
+	(abs:SI (match_operand:SI 1 "gpc_reg_operand" "")))]
+  ""
+  "
+{
+  if (!TARGET_POWER)
+    {
+      emit_insn (gen_abssi2_nopower (operands[0], operands[1]));
+      DONE;
+    }
+}")
+
+(define_insn "abssi2_power"
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
 	(abs:SI (match_operand:SI 1 "gpc_reg_operand" "r")))]
   "TARGET_POWER"
   "abs %0,%1")
 
+(define_insn "abssi2_nopower"
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=&r,r")
+	(abs:SI (match_operand:SI 1 "gpc_reg_operand" "r,0")))
+   (clobber (match_scratch:SI 2 "=&r,&r"))]
+  "!TARGET_POWER"
+  "*
+{
+  return (TARGET_POWERPC)
+    ? \"{srai|srawi} %2,%1,31\;xor %0,%2,%1\;subf %0,%2,%0\"
+    : \"{srai|srawi} %2,%1,31\;xor %0,%2,%1\;{sf|subfc} %0,%2,%0\";
+}"
+  [(set_attr "length" "12")])
+
+(define_split
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=&r,r")
+	(abs:SI (match_operand:SI 1 "gpc_reg_operand" "r,0")))
+   (clobber (match_scratch:SI 2 "=&r,&r"))]
+  "!TARGET_POWER && reload_completed"
+  [(set (match_dup 2) (ashiftrt:SI (match_dup 1) (const_int 31)))
+   (set (match_dup 0) (xor:SI (match_dup 2) (match_dup 1)))
+   (set (match_dup 0) (minus:SI (match_dup 2) (match_dup 0)))]
+  "")
+
 (define_insn ""
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
 	(neg:SI (abs:SI (match_operand:SI 1 "gpc_reg_operand" "r"))))]
   "TARGET_POWER"
   "nabs %0,%1")
 
+(define_insn ""
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=&r,r")
+	(neg:SI (abs:SI (match_operand:SI 1 "gpc_reg_operand" "r,0"))))
+   (clobber (match_scratch:SI 2 "=&r,&r"))]
+  "!TARGET_POWER"
+  "*
+{
+  return (TARGET_POWERPC)
+    ? \"{srai|srawi} %2,%1,31\;xor %0,%2,%1\;subf %0,%0,%2\"
+    : \"{srai|srawi} %2,%1,31\;xor %0,%2,%1\;{sf|subfc} %0,%0,%2\";
+}"
+  [(set_attr "length" "12")])
+
+(define_split
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=&r,r")
+	(neg:SI (abs:SI (match_operand:SI 1 "gpc_reg_operand" "r,0"))))
+   (clobber (match_scratch:SI 2 "=&r,&r"))]
+  "!TARGET_POWER && reload_completed"
+  [(set (match_dup 2) (ashiftrt:SI (match_dup 1) (const_int 31)))
+   (set (match_dup 0) (xor:SI (match_dup 2) (match_dup 1)))
+   (set (match_dup 0) (minus:SI (match_dup 0) (match_dup 2)))]
+  "")
+
 (define_insn "negsi2"
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
 	(neg:SI (match_operand:SI 1 "gpc_reg_operand" "r")))]
@@ -1040,8 +1118,8 @@
   [(set_attr "type" "compare")])
 
 (define_insn "ffssi2"
-  [(set (match_operand:SI 0 "register_operand" "=&r")
-	(ffs:SI (match_operand:SI 1 "register_operand" "r")))]
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=&r")
+	(ffs:SI (match_operand:SI 1 "gpc_reg_operand" "r")))]
   ""
   "neg %0,%1\;and %0,%0,%1\;{cntlz|cntlzw} %0,%0\;{sfi|subfic} %0,%0,32"
   [(set_attr "length" "16")])
@@ -1077,8 +1155,8 @@
 		 (match_operand:SI 2 "reg_or_short_operand" "r,I")))]
   "! TARGET_POWER"
   "@
-   mullw %0,%1,%2
-   mulli %0,%1,%2"
+   {muls|mullw} %0,%1,%2
+   {muli|mulli} %0,%1,%2"
    [(set_attr "type" "imul")])
 
 (define_insn ""
@@ -1099,7 +1177,7 @@
 		    (const_int 0)))
    (clobber (match_scratch:SI 3 "=r"))]
   "! TARGET_POWER"
-  "mullw. %3,%1,%2"
+  "{muls.|mullw.} %3,%1,%2"
   [(set_attr "type" "delayed_compare")])
 
 (define_insn ""
@@ -1122,7 +1200,7 @@
    (set (match_operand:SI 0 "gpc_reg_operand" "=r")
 	(mult:SI (match_dup 1) (match_dup 2)))]
   "! TARGET_POWER"
-  "mullw. %0,%1,%2"
+  "{muls.|mullw.} %0,%1,%2"
   [(set_attr "type" "delayed_compare")])
 
 ;; Operand 1 is divided by operand 2; quotient goes to operand
@@ -1376,7 +1454,7 @@
 
 ;; AIX architecture-independent common-mode multiply (DImode),
 ;; divide/modulus, and quotient subroutine calls.  Input operands in R3 and
-;; R4; results in R3 and somtimes R4; link register always clobbered by bla
+;; R4; results in R3 and sometimes R4; link register always clobbered by bla
 ;; instruction; R0 sometimes clobbered; also, MQ sometimes clobbered but
 ;; assumed unused if generating common-mode, so ignore.
 (define_insn "mulh_call"
@@ -1764,7 +1842,7 @@
   "maskir %0,%3,%2")
 
 (define_insn ""
-  [(set (match_operand:SI 0 "register_operand" "=r")
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
 	(ior:SI (and:SI (not:SI (match_operand:SI 2 "gpc_reg_operand" "r"))
 			(match_operand:SI 1 "gpc_reg_operand" "0"))
 		(and:SI (match_operand:SI 3 "gpc_reg_operand" "r")
@@ -1813,7 +1891,7 @@
 		 (and:SI (match_operand:SI 3 "gpc_reg_operand" "r")
 			 (match_dup 2)))
 	 (const_int 0)))
-   (set (match_operand:SI 0 "register_operand" "=r")
+   (set (match_operand:SI 0 "gpc_reg_operand" "=r")
 	(ior:SI (and:SI (not:SI (match_dup 2)) (match_dup 1))
 		(and:SI (match_dup 3) (match_dup 2))))]
   "TARGET_POWER"
@@ -1852,7 +1930,23 @@
 
 ;; Rotate and shift insns, in all their variants.  These support shifts,
 ;; field inserts and extracts, and various combinations thereof.
-(define_insn "insv"
+(define_expand "insv"
+  [(set (zero_extract:SI (match_operand:SI 0 "gpc_reg_operand" "+r")
+			 (match_operand:SI 1 "const_int_operand" "i")
+			 (match_operand:SI 2 "const_int_operand" "i"))
+	(match_operand:SI 3 "gpc_reg_operand" "r"))]
+  ""
+  "
+{
+  /* Do not handle 16/8 bit structures that fit in HI/QI modes directly, since
+     the (SUBREG:SI (REG:HI xxx)) that is otherwise generated can confuse the
+     compiler if the address of the structure is taken later.  */
+  if (GET_CODE (operands[0]) == SUBREG
+      && (GET_MODE_SIZE (GET_MODE (SUBREG_REG (operands[0]))) < UNITS_PER_WORD))
+    FAIL;
+}")
+
+(define_insn ""
   [(set (zero_extract:SI (match_operand:SI 0 "gpc_reg_operand" "+r")
 			 (match_operand:SI 1 "const_int_operand" "i")
 			 (match_operand:SI 2 "const_int_operand" "i"))
@@ -1868,7 +1962,99 @@
   return \"{rlimi|rlwimi} %0,%3,%4,%h2,%h1\";
 }")
 
-(define_insn "extzv"
+(define_insn ""
+  [(set (zero_extract:SI (match_operand:SI 0 "gpc_reg_operand" "+r")
+			 (match_operand:SI 1 "const_int_operand" "i")
+			 (match_operand:SI 2 "const_int_operand" "i"))
+	(ashift:SI (match_operand:SI 3 "gpc_reg_operand" "r")
+		   (match_operand:SI 4 "const_int_operand" "i")))]
+  ""
+  "*
+{
+  int shift = INTVAL (operands[4]) & 31;
+  int start = INTVAL (operands[2]) & 31;
+  int size = INTVAL (operands[1]) & 31;
+
+  operands[4] = gen_rtx (CONST_INT, VOIDmode, (shift - start - size) & 31);
+  operands[1] = gen_rtx (CONST_INT, VOIDmode, start + size - 1);
+  return \"{rlimi|rlwimi} %0,%3,%4,%h2,%h1\";
+}")
+
+(define_insn ""
+  [(set (zero_extract:SI (match_operand:SI 0 "gpc_reg_operand" "+r")
+			 (match_operand:SI 1 "const_int_operand" "i")
+			 (match_operand:SI 2 "const_int_operand" "i"))
+	(ashiftrt:SI (match_operand:SI 3 "gpc_reg_operand" "r")
+		     (match_operand:SI 4 "const_int_operand" "i")))]
+  ""
+  "*
+{
+  int shift = INTVAL (operands[4]) & 31;
+  int start = INTVAL (operands[2]) & 31;
+  int size = INTVAL (operands[1]) & 31;
+
+  operands[4] = gen_rtx (CONST_INT, VOIDmode, (32 - shift - start - size) & 31);
+  operands[1] = gen_rtx (CONST_INT, VOIDmode, start + size - 1);
+  return \"{rlimi|rlwimi} %0,%3,%4,%h2,%h1\";
+}")
+
+(define_insn ""
+  [(set (zero_extract:SI (match_operand:SI 0 "gpc_reg_operand" "+r")
+			 (match_operand:SI 1 "const_int_operand" "i")
+			 (match_operand:SI 2 "const_int_operand" "i"))
+	(lshiftrt:SI (match_operand:SI 3 "gpc_reg_operand" "r")
+		     (match_operand:SI 4 "const_int_operand" "i")))]
+  ""
+  "*
+{
+  int shift = INTVAL (operands[4]) & 31;
+  int start = INTVAL (operands[2]) & 31;
+  int size = INTVAL (operands[1]) & 31;
+
+  operands[4] = gen_rtx (CONST_INT, VOIDmode, (32 - shift - start - size) & 31);
+  operands[1] = gen_rtx (CONST_INT, VOIDmode, start + size - 1);
+  return \"{rlimi|rlwimi} %0,%3,%4,%h2,%h1\";
+}")
+
+(define_insn ""
+  [(set (zero_extract:SI (match_operand:SI 0 "gpc_reg_operand" "+r")
+			 (match_operand:SI 1 "const_int_operand" "i")
+			 (match_operand:SI 2 "const_int_operand" "i"))
+	(zero_extract:SI (match_operand:SI 3 "gpc_reg_operand" "r")
+			 (match_operand:SI 4 "const_int_operand" "i")
+			 (match_operand:SI 5 "const_int_operand" "i")))]
+  "INTVAL (operands[4]) >= INTVAL (operands[1])"
+  "*
+{
+  int extract_start = INTVAL (operands[5]) & 31;
+  int extract_size = INTVAL (operands[4]) & 31;
+  int insert_start = INTVAL (operands[2]) & 31;
+  int insert_size = INTVAL (operands[1]) & 31;
+
+/* Align extract field with insert field */
+  operands[5] = gen_rtx (CONST_INT, VOIDmode,
+			 (extract_start + extract_size - insert_start - insert_size) & 31);
+  operands[1] = gen_rtx (CONST_INT, VOIDmode, insert_start + insert_size - 1);
+  return \"{rlimi|rlwimi} %0,%3,%5,%h2,%h1\";
+}")
+
+(define_expand "extzv"
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
+	(zero_extract:SI (match_operand:SI 1 "gpc_reg_operand" "r")
+			 (match_operand:SI 2 "const_int_operand" "i")
+			 (match_operand:SI 3 "const_int_operand" "i")))]
+  ""
+  "
+{
+  /* Do not handle 16/8 bit structures that fit in HI/QI modes directly, since
+     the (SUBREG:SI (REG:HI xxx)) that is otherwise generated can confuse the
+     compiler if the address of the structure is taken later.  */
+  if (GET_CODE (operands[0]) == SUBREG
+      && (GET_MODE_SIZE (GET_MODE (SUBREG_REG (operands[0]))) < UNITS_PER_WORD))
+    FAIL;
+}")
+
+(define_insn ""
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
 	(zero_extract:SI (match_operand:SI 1 "gpc_reg_operand" "r")
 			 (match_operand:SI 2 "const_int_operand" "i")
@@ -1915,7 +2101,7 @@
       else
 	return \"{andil.|andi.} %4,%1,%3\";
     }
-  
+
   if (start + size >= 32)
     operands[3] = const0_rtx;
   else
@@ -1943,7 +2129,7 @@
       operands[3] = gen_rtx (CONST_INT, VOIDmode, (1 << (32 - start)) - 1);
       return \"{andil.|andi.} %0,%1,%3\";
     }
-  
+
   if (start + size >= 32)
     operands[3] = const0_rtx;
   else
@@ -2114,7 +2300,7 @@
 	(ashift:SI (match_operand:SI 1 "gpc_reg_operand" "r")
 		   (match_operand:SI 2 "reg_or_cint_operand" "ri")))]
   "! TARGET_POWER"
-  "slw%I2 %0,%1,%h2"
+  "{sl|slw}%I2 %0,%1,%h2"
   [(set_attr "length" "8")])
 
 (define_insn ""
@@ -2137,7 +2323,7 @@
 		    (const_int 0)))
    (clobber (match_scratch:SI 3 "=r"))]
   "! TARGET_POWER"
-  "slw%I2. %3,%1,%h2"
+  "{sl|slw}%I2. %3,%1,%h2"
   [(set_attr "type" "delayed_compare")])
 
 (define_insn ""
@@ -2162,7 +2348,7 @@
    (set (match_operand:SI 0 "gpc_reg_operand" "=r")
 	(ashift:SI (match_dup 1) (match_dup 2)))]
   "! TARGET_POWER"
-  "slw%I2. %0,%1,%h2"
+  "{sl|slw}%I2. %0,%1,%h2"
   [(set_attr "type" "delayed_compare")])
 
 (define_insn ""
@@ -2171,7 +2357,7 @@
 			   (match_operand:SI 2 "const_int_operand" "i"))
 		(match_operand:SI 3 "mask_operand" "L")))]
   "includes_lshift_p (operands[2], operands[3])"
-  "{rlinm|rlwinm} %0,%h1,%h2,%m3,%M3")
+  "{rlinm|rlwinm} %0,%1,%h2,%m3,%M3")
 
 (define_insn ""
   [(set (match_operand:CC 0 "cc_reg_operand" "=x")
@@ -2182,7 +2368,7 @@
 	 (const_int 0)))
    (clobber (match_scratch:SI 4 "=r"))]
   "includes_lshift_p (operands[2], operands[3])"
-  "{rlinm.|rlwinm.} %4,%h1,%h2,%m3,%M3"
+  "{rlinm.|rlwinm.} %4,%1,%h2,%m3,%M3"
   [(set_attr "type" "delayed_compare")])
 
 (define_insn ""
@@ -2195,7 +2381,7 @@
    (set (match_operand:SI 0 "gpc_reg_operand" "=r")
 	(and:SI (ashift:SI (match_dup 1) (match_dup 2)) (match_dup 3)))]
   "includes_lshift_p (operands[2], operands[3])"
-  "{rlinm.|rlwinm.} %0,%h1,%h2,%m3,%M3"
+  "{rlinm.|rlwinm.} %0,%1,%h2,%m3,%M3"
   [(set_attr "type" "delayed_compare")])
 
 ;; The AIX assembler mis-handles "sri x,x,0", so write that case as
@@ -2229,7 +2415,7 @@
 	(lshiftrt:SI (match_operand:SI 1 "gpc_reg_operand" "r")
 		     (match_operand:SI 2 "reg_or_cint_operand" "ri")))]
   "! TARGET_POWER"
-  "srw%I2 %0,%1,%h2")
+  "{sr|srw}%I2 %0,%1,%h2")
 
 (define_insn ""
   [(set (match_operand:CC 0 "cc_reg_operand" "=x,x")
@@ -2251,7 +2437,7 @@
 		    (const_int 0)))
    (clobber (match_scratch:SI 3 "=r"))]
   "! TARGET_POWER"
-  "srw%I2. %3,%1,%h2"
+  "{sr|srw}%I2. %3,%1,%h2"
   [(set_attr "type" "delayed_compare")])
 
 (define_insn ""
@@ -2276,7 +2462,7 @@
    (set (match_operand:SI 0 "gpc_reg_operand" "=r")
 	(lshiftrt:SI (match_dup 1) (match_dup 2)))]
   "! TARGET_POWER"
-  "srw%I2. %0,%1,%h2"
+  "{sr|srw}%I2. %0,%1,%h2"
   [(set_attr "type" "delayed_compare")])
 
 (define_insn ""
@@ -2441,7 +2627,7 @@
 	(ashiftrt:SI (match_operand:SI 1 "gpc_reg_operand" "r")
 		     (match_operand:SI 2 "reg_or_cint_operand" "ri")))]
   "! TARGET_POWER"
-  "sraw%I2 %0,%1,%h2")
+  "{sra|sraw}%I2 %0,%1,%h2")
 
 (define_insn ""
   [(set (match_operand:CC 0 "cc_reg_operand" "=x,x")
@@ -2463,7 +2649,7 @@
 		    (const_int 0)))
    (clobber (match_scratch:SI 3 "=r"))]
   "! TARGET_POWER"
-  "sraw%I2. %3,%1,%h2"
+  "{sra|sraw}%I2. %3,%1,%h2"
   [(set_attr "type" "delayed_compare")])
 
 (define_insn ""
@@ -2488,7 +2674,7 @@
    (set (match_operand:SI 0 "gpc_reg_operand" "=r")
 	(ashiftrt:SI (match_dup 1) (match_dup 2)))]
   "! TARGET_POWER"
-  "sraw%I2. %0,%1,%h2"
+  "{sra|sraw}%I2. %0,%1,%h2"
   [(set_attr "type" "delayed_compare")])
 
 ;; Floating-point insns, excluding normal data motion.
@@ -2510,7 +2696,7 @@
 (define_insn "extendsfdf2"
   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
 	(float_extend:DF (match_operand:SF 1 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "*
 {
   if (REGNO (operands[0]) == REGNO (operands[1]))
@@ -2523,28 +2709,35 @@
 (define_insn "truncdfsf2"
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(float_truncate:SF (match_operand:DF 1 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
+  "frsp %0,%1"
+  [(set_attr "type" "fp")])
+
+(define_insn "aux_truncdfsf2"
+  [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
+	(unspec:SF [(match_operand:SF 1 "gpc_reg_operand" "f")] 0))]
+  "! TARGET_POWERPC && TARGET_HARD_FLOAT"
   "frsp %0,%1"
   [(set_attr "type" "fp")])
 
 (define_insn "negsf2"
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(neg:SF (match_operand:SF 1 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "fneg %0,%1"
   [(set_attr "type" "fp")])
 
 (define_insn "abssf2"
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(abs:SF (match_operand:SF 1 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "fabs %0,%1"
   [(set_attr "type" "fp")])
 
 (define_insn ""
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(neg:SF (abs:SF (match_operand:SF 1 "gpc_reg_operand" "f"))))]
-  ""
+  "TARGET_HARD_FLOAT"
   "fnabs %0,%1"
   [(set_attr "type" "fp")])
 
@@ -2552,14 +2745,14 @@
   [(set (match_operand:SF 0 "gpc_reg_operand" "")
 	(plus:SF (match_operand:SF 1 "gpc_reg_operand" "")
 		 (match_operand:SF 2 "gpc_reg_operand" "")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "")
 
 (define_insn ""
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(plus:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 		 (match_operand:SF 2 "gpc_reg_operand" "f")))]
-  "TARGET_POWERPC"
+  "TARGET_POWERPC && TARGET_HARD_FLOAT"
   "fadds %0,%1,%2"
   [(set_attr "type" "fp")])
 
@@ -2567,7 +2760,7 @@
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(plus:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 		 (match_operand:SF 2 "gpc_reg_operand" "f")))]
-  "! TARGET_POWERPC"
+  "! TARGET_POWERPC && TARGET_HARD_FLOAT"
   "{fa|fadd} %0,%1,%2"
   [(set_attr "type" "fp")])
 
@@ -2575,14 +2768,14 @@
   [(set (match_operand:SF 0 "gpc_reg_operand" "")
 	(minus:SF (match_operand:SF 1 "gpc_reg_operand" "")
 		  (match_operand:SF 2 "gpc_reg_operand" "")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "")
 
 (define_insn ""
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(minus:SF (match_operand:SF 1 "gpc_reg_operand" "f")
 		  (match_operand:SF 2 "gpc_reg_operand" "f")))]
-  "TARGET_POWERPC"
+  "TARGET_POWERPC && TARGET_HARD_FLOAT"
   "fsubs %0,%1,%2"
   [(set_attr "type" "fp")])
 
@@ -2590,7 +2783,7 @@
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(minus:SF (match_operand:SF 1 "gpc_reg_operand" "f")
 		  (match_operand:SF 2 "gpc_reg_operand" "f")))]
-  "! TARGET_POWERPC"
+  "! TARGET_POWERPC && TARGET_HARD_FLOAT"
   "{fs|fsub} %0,%1,%2"
   [(set_attr "type" "fp")])
 
@@ -2598,14 +2791,14 @@
   [(set (match_operand:SF 0 "gpc_reg_operand" "")
 	(mult:SF (match_operand:SF 1 "gpc_reg_operand" "")
 		 (match_operand:SF 2 "gpc_reg_operand" "")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "")
 
 (define_insn ""
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(mult:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 		 (match_operand:SF 2 "gpc_reg_operand" "f")))]
-  "TARGET_POWERPC"
+  "TARGET_POWERPC && TARGET_HARD_FLOAT"
   "fmuls %0,%1,%2"
   [(set_attr "type" "fp")])
 
@@ -2613,7 +2806,7 @@
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(mult:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 		 (match_operand:SF 2 "gpc_reg_operand" "f")))]
-  "! TARGET_POWERPC"
+  "! TARGET_POWERPC && TARGET_HARD_FLOAT"
   "{fm|fmul} %0,%1,%2"
   [(set_attr "type" "fp")])
 
@@ -2621,14 +2814,14 @@
   [(set (match_operand:SF 0 "gpc_reg_operand" "")
 	(div:SF (match_operand:SF 1 "gpc_reg_operand" "")
 		(match_operand:SF 2 "gpc_reg_operand" "")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "")
 
 (define_insn ""
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(div:SF (match_operand:SF 1 "gpc_reg_operand" "f")
 		(match_operand:SF 2 "gpc_reg_operand" "f")))]
-  "TARGET_POWERPC"
+  "TARGET_POWERPC && TARGET_HARD_FLOAT"
   "fdivs %0,%1,%2"
   [(set_attr "type" "sdiv")])
 
@@ -2636,7 +2829,7 @@
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(div:SF (match_operand:SF 1 "gpc_reg_operand" "f")
 		(match_operand:SF 2 "gpc_reg_operand" "f")))]
-  "! TARGET_POWERPC"
+  "! TARGET_POWERPC && TARGET_HARD_FLOAT"
   "{fd|fdiv} %0,%1,%2"
   [(set_attr "type" "sdiv")])
 
@@ -2645,7 +2838,7 @@
 	(plus:SF (mult:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 			  (match_operand:SF 2 "gpc_reg_operand" "f"))
 		 (match_operand:SF 3 "gpc_reg_operand" "f")))]
-  "TARGET_POWERPC"
+  "TARGET_POWERPC && TARGET_HARD_FLOAT"
   "fmadds %0,%1,%2,%3"
   [(set_attr "type" "fp")])
 
@@ -2654,7 +2847,7 @@
 	(plus:SF (mult:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 			  (match_operand:SF 2 "gpc_reg_operand" "f"))
 		 (match_operand:SF 3 "gpc_reg_operand" "f")))]
-  "! TARGET_POWERPC"
+  "! TARGET_POWERPC && TARGET_HARD_FLOAT"
   "{fma|fmadd} %0,%1,%2,%3"
   [(set_attr "type" "fp")])
 
@@ -2663,7 +2856,7 @@
 	(minus:SF (mult:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 			   (match_operand:SF 2 "gpc_reg_operand" "f"))
 		  (match_operand:SF 3 "gpc_reg_operand" "f")))]
-  "TARGET_POWERPC"
+  "TARGET_POWERPC && TARGET_HARD_FLOAT"
   "fmsubs %0,%1,%2,%3"
   [(set_attr "type" "fp")])
 
@@ -2672,7 +2865,7 @@
 	(minus:SF (mult:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 			   (match_operand:SF 2 "gpc_reg_operand" "f"))
 		  (match_operand:SF 3 "gpc_reg_operand" "f")))]
-  "! TARGET_POWERPC"
+  "! TARGET_POWERPC && TARGET_HARD_FLOAT"
   "{fms|fmsub} %0,%1,%2,%3"
   [(set_attr "type" "fp")])
 
@@ -2681,7 +2874,7 @@
 	(neg:SF (plus:SF (mult:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 				  (match_operand:SF 2 "gpc_reg_operand" "f"))
 			 (match_operand:SF 3 "gpc_reg_operand" "f"))))]
-  "TARGET_POWERPC"
+  "TARGET_POWERPC && TARGET_HARD_FLOAT"
   "fnmadds %0,%1,%2,%3"
   [(set_attr "type" "fp")])
 
@@ -2690,7 +2883,7 @@
 	(neg:SF (plus:SF (mult:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 				  (match_operand:SF 2 "gpc_reg_operand" "f"))
 			 (match_operand:SF 3 "gpc_reg_operand" "f"))))]
-  "! TARGET_POWERPC"
+  "! TARGET_POWERPC && TARGET_HARD_FLOAT"
   "{fnma|fnmadd} %0,%1,%2,%3"
   [(set_attr "type" "fp")])
 
@@ -2699,7 +2892,7 @@
 	(neg:SF (minus:SF (mult:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 				   (match_operand:SF 2 "gpc_reg_operand" "f"))
 			  (match_operand:SF 3 "gpc_reg_operand" "f"))))]
-  "TARGET_POWERPC"
+  "TARGET_POWERPC && TARGET_HARD_FLOAT"
   "fnmsubs %0,%1,%2,%3"
   [(set_attr "type" "fp")])
 
@@ -2708,33 +2901,33 @@
 	(neg:SF (minus:SF (mult:SF (match_operand:SF 1 "gpc_reg_operand" "%f")
 				   (match_operand:SF 2 "gpc_reg_operand" "f"))
 			  (match_operand:SF 3 "gpc_reg_operand" "f"))))]
-  "! TARGET_POWERPC"
+  "! TARGET_POWERPC && TARGET_HARD_FLOAT"
   "{fnms|fnmsub} %0,%1,%2,%3"
   [(set_attr "type" "fp")])
 
 (define_expand "sqrtsf2"
   [(set (match_operand:SF 0 "gpc_reg_operand" "")
 	(sqrt:SF (match_operand:SF 1 "gpc_reg_operand" "")))]
-  "TARGET_PPC_GPOPT || TARGET_POWER2"
+  "(TARGET_PPC_GPOPT || TARGET_POWER2) && TARGET_HARD_FLOAT"
   "")
 
 (define_insn ""
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(sqrt:SF (match_operand:SF 1 "gpc_reg_operand" "f")))]
-  "TARGET_PPC_GPOPT"
+  "TARGET_PPC_GPOPT && TARGET_HARD_FLOAT"
   "fsqrts %0,%1"
   [(set_attr "type" "ssqrt")])
 
 (define_insn ""
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(sqrt:SF (match_operand:SF 1 "gpc_reg_operand" "f")))]
-  "TARGET_POWER2"
+  "TARGET_POWER2 && TARGET_HARD_FLOAT"
   "fsqrt %0,%1"
   [(set_attr "type" "dsqrt")])
 
-;; For SMIN, SMAX, UMIN, and UMAX, we use DEFINE_EXPAND's that involve a fsel
-;; instruction and some auxiliary computations.  Then we just have a single
-;; DEFINE_INSN for fsel and the define_splits to make them if made by
+;; For MIN, MAX, and conditional move, we use DEFINE_EXPAND's that involve a
+;; fsel instruction and some auxiliary computations.  Then we just have a
+;; single DEFINE_INSN for fsel and the define_splits to make them if made by
 ;; combine.
 (define_expand "maxsf3"
   [(set (match_dup 3)
@@ -2745,7 +2938,7 @@
 			     (const_int 0))
 			 (match_dup 1)
 			 (match_dup 2)))]
-  "TARGET_PPC_GFXOPT"
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
   "
 { operands[3] = gen_reg_rtx (SFmode); }")
 
@@ -2754,10 +2947,10 @@
 	(smax:SF (match_operand:SF 1 "gpc_reg_operand" "")
 		 (match_operand:SF 2 "gpc_reg_operand" "")))
    (clobber (match_operand:SF 3 "gpc_reg_operand" ""))]
-  "TARGET_PPC_GFXOPT"
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
   [(set (match_dup 3)
 	(minus:SF (match_dup 1) (match_dup 2)))
-   (set (match_operand:SF 0 "gpc_reg_operand" "")
+   (set (match_dup 0)
 	(if_then_else:SF (ge (match_dup 3)
 			     (const_int 0))
 			 (match_dup 1)
@@ -2773,7 +2966,7 @@
 			     (const_int 0))
 			 (match_dup 1)
 			 (match_dup 2)))]
-  "TARGET_PPC_GFXOPT"
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
   "
 { operands[3] = gen_reg_rtx (SFmode); }")
 
@@ -2782,44 +2975,124 @@
 	(smin:SF (match_operand:SF 1 "gpc_reg_operand" "")
 		 (match_operand:SF 2 "gpc_reg_operand" "")))
    (clobber (match_operand:SF 3 "gpc_reg_operand" ""))]
-  "TARGET_PPC_GFXOPT"
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
   [(set (match_dup 3)
 	(minus:SF (match_dup 2) (match_dup 1)))
-   (set (match_operand:SF 0 "gpc_reg_operand" "")
+   (set (match_dup 0)
 	(if_then_else:SF (ge (match_dup 3)
 			     (const_int 0))
 			 (match_dup 1)
 			 (match_dup 2)))]
   "")
 
-(define_insn ""
+(define_expand "movsfcc"
+   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
+	 (if_then_else:SF (match_operand 1 "comparison_operator" "")
+			  (match_operand:SF 2 "gpc_reg_operand" "f")
+			  (match_operand:SF 3 "gpc_reg_operand" "f")))]
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
+  "
+{
+  rtx temp, op0, op1;
+  enum rtx_code code = GET_CODE (operands[1]);
+  if (! rs6000_compare_fp_p)
+    FAIL;
+  switch (code)
+    {
+    case GE: case EQ: case NE:
+      op0 = rs6000_compare_op0;
+      op1 = rs6000_compare_op1;
+      break;
+    case GT:
+      op0 = rs6000_compare_op1;
+      op1 = rs6000_compare_op0;
+      temp = operands[2]; operands[2] = operands[3]; operands[3] = temp;
+      break;
+    case LE:
+      op0 = rs6000_compare_op1;
+      op1 = rs6000_compare_op0;
+      break;
+    case LT:
+      op0 = rs6000_compare_op0;
+      op1 = rs6000_compare_op1;
+      temp = operands[2]; operands[2] = operands[3]; operands[3] = temp;
+      break;
+    default:
+      FAIL;
+    }
+  if (GET_MODE (rs6000_compare_op0) == DFmode)
+    {
+      temp = gen_reg_rtx (DFmode);
+      emit_insn (gen_subdf3 (temp, op0, op1));
+      emit_insn (gen_fseldfsf4 (operands[0], temp, operands[2], operands[3]));
+      if (code == EQ)
+	{
+	  emit_insn (gen_negdf2 (temp, temp));
+	  emit_insn (gen_fseldfsf4 (operands[0], temp, operands[0], operands[3]));
+	}
+      if (code == NE)
+	{
+	  emit_insn (gen_negdf2 (temp, temp));
+	  emit_insn (gen_fseldfsf4 (operands[0], temp, operands[3], operands[0]));
+	}
+    }
+  else
+    {
+      temp = gen_reg_rtx (SFmode);
+      emit_insn (gen_subsf3 (temp, op0, op1));
+      emit_insn (gen_fselsfsf4 (operands[0], temp, operands[2], operands[3]));
+      if (code == EQ)
+	{
+	  emit_insn (gen_negsf2 (temp, temp));
+	  emit_insn (gen_fselsfsf4 (operands[0], temp, operands[0], operands[3]));
+	}
+      if (code == NE)
+	{
+	  emit_insn (gen_negsf2 (temp, temp));
+	  emit_insn (gen_fselsfsf4 (operands[0], temp, operands[3], operands[0]));
+	}
+    }
+  DONE;
+}")
+
+(define_insn "fselsfsf4"
   [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
 	(if_then_else:SF (ge (match_operand:SF 1 "gpc_reg_operand" "f")
 			     (const_int 0))
 			 (match_operand:SF 2 "gpc_reg_operand" "f")
 			 (match_operand:SF 3 "gpc_reg_operand" "f")))]
-  "TARGET_PPC_GFXOPT"
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
+  "fsel %0,%1,%2,%3"
+  [(set_attr "type" "fp")])
+
+(define_insn "fseldfsf4"
+  [(set (match_operand:SF 0 "gpc_reg_operand" "=f")
+	(if_then_else:SF (ge (match_operand:DF 1 "gpc_reg_operand" "f")
+			     (const_int 0))
+			 (match_operand:SF 2 "gpc_reg_operand" "f")
+			 (match_operand:SF 3 "gpc_reg_operand" "f")))]
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
   "fsel %0,%1,%2,%3"
   [(set_attr "type" "fp")])
 
 (define_insn "negdf2"
   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
 	(neg:DF (match_operand:DF 1 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "fneg %0,%1"
   [(set_attr "type" "fp")])
 
 (define_insn "absdf2"
   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
 	(abs:DF (match_operand:DF 1 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "fabs %0,%1"
   [(set_attr "type" "fp")])
 
 (define_insn ""
   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
 	(neg:DF (abs:DF (match_operand:DF 1 "gpc_reg_operand" "f"))))]
-  ""
+  "TARGET_HARD_FLOAT"
   "fnabs %0,%1"
   [(set_attr "type" "fp")])
 
@@ -2827,7 +3100,7 @@
   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
 	(plus:DF (match_operand:DF 1 "gpc_reg_operand" "%f")
 		 (match_operand:DF 2 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "{fa|fadd} %0,%1,%2"
   [(set_attr "type" "fp")])
 
@@ -2835,7 +3108,7 @@
   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
 	(minus:DF (match_operand:DF 1 "gpc_reg_operand" "f")
 		  (match_operand:DF 2 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "{fs|fsub} %0,%1,%2"
   [(set_attr "type" "fp")])
 
@@ -2843,7 +3116,7 @@
   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
 	(mult:DF (match_operand:DF 1 "gpc_reg_operand" "%f")
 		 (match_operand:DF 2 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "{fm|fmul} %0,%1,%2"
   [(set_attr "type" "dmul")])
 
@@ -2851,7 +3124,7 @@
   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
 	(div:DF (match_operand:DF 1 "gpc_reg_operand" "f")
 		(match_operand:DF 2 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "{fd|fdiv} %0,%1,%2"
   [(set_attr "type" "ddiv")])
 
@@ -2860,7 +3133,7 @@
 	(plus:DF (mult:DF (match_operand:DF 1 "gpc_reg_operand" "%f")
 			  (match_operand:DF 2 "gpc_reg_operand" "f"))
 		 (match_operand:DF 3 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "{fma|fmadd} %0,%1,%2,%3"
   [(set_attr "type" "dmul")])
 
@@ -2869,7 +3142,7 @@
 	(minus:DF (mult:DF (match_operand:DF 1 "gpc_reg_operand" "%f")
 			   (match_operand:DF 2 "gpc_reg_operand" "f"))
 		  (match_operand:DF 3 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "{fms|fmsub} %0,%1,%2,%3"
   [(set_attr "type" "dmul")])
 
@@ -2878,7 +3151,7 @@
 	(neg:DF (plus:DF (mult:DF (match_operand:DF 1 "gpc_reg_operand" "%f")
 				  (match_operand:DF 2 "gpc_reg_operand" "f"))
 			 (match_operand:DF 3 "gpc_reg_operand" "f"))))]
-  ""
+  "TARGET_HARD_FLOAT"
   "{fnma|fnmadd} %0,%1,%2,%3"
   [(set_attr "type" "dmul")])
 
@@ -2887,20 +3160,20 @@
 	(neg:DF (minus:DF (mult:DF (match_operand:DF 1 "gpc_reg_operand" "%f")
 				   (match_operand:DF 2 "gpc_reg_operand" "f"))
 			  (match_operand:DF 3 "gpc_reg_operand" "f"))))]
-  ""
+  "TARGET_HARD_FLOAT"
   "{fnms|fnmsub} %0,%1,%2,%3"
   [(set_attr "type" "dmul")])
 
 (define_insn "sqrtdf2"
   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
 	(sqrt:DF (match_operand:DF 1 "gpc_reg_operand" "f")))]
-  "TARGET_PPC_GPOPT || TARGET_POWER2"
+  "(TARGET_PPC_GPOPT || TARGET_POWER2) && TARGET_HARD_FLOAT"
   "fsqrt %0,%1"
   [(set_attr "type" "dsqrt")])
 
-;; For SMIN, SMAX, UMIN, and UMAX, we use DEFINE_EXPAND's that involve a fsel
-;; instruction and some auxiliary computations.  Then we just have a single
-;; DEFINE_INSN for fsel and the define_splits to make them if made by
+;; For MIN, MAX, and conditional move, we use DEFINE_EXPAND's that involve a
+;; fsel instruction and some auxiliary computations.  Then we just have a
+;; single DEFINE_INSN for fsel and the define_splits to make them if made by
 ;; combine.
 
 (define_expand "maxdf3"
@@ -2912,7 +3185,7 @@
 			     (const_int 0))
 			 (match_dup 1)
 			 (match_dup 2)))]
-  "TARGET_PPC_GFXOPT"
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
   "
 { operands[3] = gen_reg_rtx (DFmode); }")
 
@@ -2921,10 +3194,10 @@
 	(smax:DF (match_operand:DF 1 "gpc_reg_operand" "")
 		 (match_operand:DF 2 "gpc_reg_operand" "")))
    (clobber (match_operand:DF 3 "gpc_reg_operand" ""))]
-  "TARGET_PPC_GFXOPT"
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
   [(set (match_dup 3)
 	(minus:DF (match_dup 1) (match_dup 2)))
-   (set (match_operand:DF 0 "gpc_reg_operand" "")
+   (set (match_dup 0)
 	(if_then_else:DF (ge (match_dup 3)
 			     (const_int 0))
 			 (match_dup 1)
@@ -2940,7 +3213,7 @@
 			     (const_int 0))
 			 (match_dup 1)
 			 (match_dup 2)))]
-  "TARGET_PPC_GFXOPT"
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
   "
 { operands[3] = gen_reg_rtx (DFmode); }")
 
@@ -2949,157 +3222,210 @@
 	(smin:DF (match_operand:DF 1 "gpc_reg_operand" "")
 		 (match_operand:DF 2 "gpc_reg_operand" "")))
    (clobber (match_operand:DF 3 "gpc_reg_operand" ""))]
-  "TARGET_PPC_GFXOPT"
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
   [(set (match_dup 3)
 	(minus:DF (match_dup 2) (match_dup 1)))
-   (set (match_operand:DF 0 "gpc_reg_operand" "")
+   (set (match_dup 0)
 	(if_then_else:DF (ge (match_dup 3)
 			     (const_int 0))
 			 (match_dup 1)
 			 (match_dup 2)))]
   "")
 
-(define_insn ""
+(define_expand "movdfcc"
+   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
+	 (if_then_else:DF (match_operand 1 "comparison_operator" "")
+			  (match_operand:DF 2 "gpc_reg_operand" "f")
+			  (match_operand:DF 3 "gpc_reg_operand" "f")))]
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
+  "
+{
+  rtx temp, op0, op1;
+  enum rtx_code code = GET_CODE (operands[1]);
+  if (! rs6000_compare_fp_p)
+    FAIL;
+  switch (code)
+    {
+    case GE: case EQ: case NE:
+      op0 = rs6000_compare_op0;
+      op1 = rs6000_compare_op1;
+      break;
+    case GT:
+      op0 = rs6000_compare_op1;
+      op1 = rs6000_compare_op0;
+      temp = operands[2]; operands[2] = operands[3]; operands[3] = temp;
+      break;
+    case LE:
+      op0 = rs6000_compare_op1;
+      op1 = rs6000_compare_op0;
+      break;
+    case LT:
+      op0 = rs6000_compare_op0;
+      op1 = rs6000_compare_op1;
+      temp = operands[2]; operands[2] = operands[3]; operands[3] = temp;
+      break;
+    default:
+      FAIL;
+    }
+  if (GET_MODE (rs6000_compare_op0) == DFmode)
+    {
+      temp = gen_reg_rtx (DFmode);
+      emit_insn (gen_subdf3 (temp, op0, op1));
+      emit_insn (gen_fseldfdf4 (operands[0], temp, operands[2], operands[3]));
+      if (code == EQ)
+	{
+	  emit_insn (gen_negdf2 (temp, temp));
+	  emit_insn (gen_fseldfdf4 (operands[0], temp, operands[0], operands[3]));
+	}
+      if (code == NE)
+	{
+	  emit_insn (gen_negdf2 (temp, temp));
+	  emit_insn (gen_fseldfdf4 (operands[0], temp, operands[3], operands[0]));
+	}
+    }
+  else
+    {
+      temp = gen_reg_rtx (SFmode);
+      emit_insn (gen_subsf3 (temp, op0, op1));
+      emit_insn (gen_fselsfdf4 (operands[0], temp, operands[2], operands[3]));
+      if (code == EQ)
+	{
+	  emit_insn (gen_negsf2 (temp, temp));
+	  emit_insn (gen_fselsfdf4 (operands[0], temp, operands[0], operands[3]));
+	}
+      if (code == NE)
+	{
+	  emit_insn (gen_negsf2 (temp, temp));
+	  emit_insn (gen_fselsfdf4 (operands[0], temp, operands[3], operands[0]));
+	}
+    }
+  DONE;
+}")
+
+(define_insn "fseldfdf4"
   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
 	(if_then_else:DF (ge (match_operand:DF 1 "gpc_reg_operand" "f")
 			     (const_int 0))
 			 (match_operand:DF 2 "gpc_reg_operand" "f")
 			 (match_operand:DF 3 "gpc_reg_operand" "f")))]
+  "TARGET_PPC_GFXOPT && TARGET_HARD_FLOAT"
+  "fsel %0,%1,%2,%3"
+  [(set_attr "type" "fp")])
+
+(define_insn "fselsfdf4"
+  [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
+	(if_then_else:DF (ge (match_operand:SF 1 "gpc_reg_operand" "f")
+			     (const_int 0))
+			 (match_operand:DF 2 "gpc_reg_operand" "f")
+			 (match_operand:DF 3 "gpc_reg_operand" "f")))]
   "TARGET_PPC_GFXOPT"
   "fsel %0,%1,%2,%3"
   [(set_attr "type" "fp")])
 
 ;; Conversions to and from floating-point.
 (define_expand "floatsidf2"
-  [(set (match_dup 2)
-	(plus:DI (zero_extend:DI
-		  (xor:SI (match_operand:SI 1 "gpc_reg_operand" "")
-			  (match_dup 3)))
-		 (match_dup 4)))
-   (set (match_operand:DF 0 "gpc_reg_operand" "")
-	(minus:DF (subreg:DF (match_dup 2) 0)
-		  (match_dup 5)))]
-  ""
+  [(set (match_operand:DF 0 "gpc_reg_operand" "")
+	(float:DF (match_operand:SI 1 "gpc_reg_operand" "")))]
+  "! TARGET_POWERPC64 && TARGET_HARD_FLOAT"
   "
 {
-#if HOST_BITS_PER_INT != BITS_PER_WORD
-  /* Maybe someone can figure out how to do this in that case.  I don't
-     want to right now.  */
-  abort ();
-#endif
-
-  operands[2] = gen_reg_rtx (DImode);
-  operands[3] = gen_rtx (CONST_INT, VOIDmode, 0x80000000);
-  operands[4] = immed_double_const (0, 0x43300000, DImode);
-  operands[5] = force_reg (DFmode, immed_double_const (0x43300000,
-						       0x80000000, DFmode));
+  if (operands[0])
+    {				/* prevent unused warning messages */
+      rtx high   = force_reg (SImode, GEN_INT (0x43300000));
+      rtx low    = gen_reg_rtx (SImode);
+      rtx df     = gen_reg_rtx (DFmode);
+      rtx adjust = force_reg (DFmode, rs6000_float_const (\"4503601774854144\", DFmode));
+
+      emit_insn (gen_xorsi3 (low, operands[1], GEN_INT (0x80000000)));
+      emit_insn (gen_move_to_float (df, low, high));
+      emit_insn (gen_subdf3 (operands[0], df, adjust));
+      DONE;
+    }
 }")
 
 (define_expand "floatunssidf2"
-  [(set (match_dup 2)
-	(plus:DI (zero_extend:DI (match_operand:SI 1 "gpc_reg_operand" ""))
-		 (match_dup 3)))
-   (set (match_operand:DF 0 "gpc_reg_operand" "")
-	(minus:DF (subreg:DF (match_dup 2) 0)
-		  (match_dup 4)))]
-  ""
+  [(set (match_operand:DF 0 "gpc_reg_operand" "")
+	(unsigned_float:DF (match_operand:SI 1 "gpc_reg_operand" "")))]
+  "! TARGET_POWERPC64 && TARGET_HARD_FLOAT"
   "
 {
-#if HOST_BITS_PER_INT != BITS_PER_WORD
-  /* Maybe someone can figure out how to do this in that case.  I don't
-     want to right now.  */
-  abort ();
-#endif
+  if (operands[0])
+    {				/* prevent unused warning messages */
+      rtx high   = force_reg (SImode, GEN_INT (0x43300000));
+      rtx df     = gen_reg_rtx (DFmode);
+      rtx adjust = force_reg (DFmode, rs6000_float_const (\"4503599627370496\", DFmode));
 
-  operands[2] = gen_reg_rtx (DImode);
-  operands[3] = immed_double_const (0, 0x43300000, DImode);
-  operands[4] = force_reg (DFmode, immed_double_const (0x43300000, 0, DFmode));
+      emit_insn (gen_move_to_float (df, operands[1], high));
+      emit_insn (gen_subdf3 (operands[0], df, adjust));
+      DONE;
+    }
 }")
 
-;; For the above two cases, we always split.
-(define_split
-  [(set (match_operand:DI 0 "gpc_reg_operand" "")
-	(plus:DI (zero_extend:DI
-		  (xor:SI (match_operand:SI 1 "gpc_reg_operand" "")
-			  (match_operand:SI 2 "logical_operand" "")))
-		 (match_operand:DI 3 "immediate_operand" "")))]
-  "reload_completed && HOST_BITS_PER_INT == BITS_PER_WORD
-   && GET_CODE (operands[3]) == CONST_DOUBLE
-   && CONST_DOUBLE_LOW (operands[3]) == 0"
-  [(set (match_dup 6) (xor:SI (match_dup 1) (match_dup 2)))
-   (set (match_dup 4) (match_dup 5))]
+(define_expand "move_to_float"
+  [(set (match_operand:DF 0 "gpc_reg_operand" "")
+	(unspec [(match_operand:SI 1 "gpc_reg_operand" "")
+		 (match_operand:SI 2 "gpc_reg_operand" "")
+		 (match_dup 3)] 2))]
+  "! TARGET_POWERPC64 && TARGET_HARD_FLOAT"
   "
-{ operands[4] = operand_subword (operands[0], 0, 0, DImode);
-  operands[5] = operand_subword (operands[3], 0, 0, DImode);
-  operands[6] = operand_subword (operands[0], 1, 0, DImode);
+{
+  operands[3] = XEXP (rs6000_stack_temp (DFmode, 8, 1), 0);
 }")
 
-(define_insn ""
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
-	(plus:DI (zero_extend:DI
-		  (xor:SI (match_operand:SI 1 "gpc_reg_operand" "%r")
-			  (match_operand:SI 2 "logical_operand" "rKJ")))
-		 (match_operand:DI 3 "immediate_operand" "n")))]
-  "HOST_BITS_PER_INT == BITS_PER_WORD
-   && GET_CODE (operands[3]) == CONST_DOUBLE
-   && CONST_DOUBLE_LOW (operands[3]) == 0"
-  "#"
-  [(set_attr "length" "8")])
-  
 (define_split
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=")
-	(plus:DI (zero_extend:DI (match_operand:SI 1 "gpc_reg_operand" ""))
-		 (match_operand:DI 2 "immediate_operand" "")))]
-  "reload_completed && HOST_BITS_PER_INT == BITS_PER_WORD
-   && GET_CODE (operands[2]) == CONST_DOUBLE
-   && CONST_DOUBLE_LOW (operands[2]) == 0"
-  [(set (match_dup 3) (match_dup 4))
-   (set (match_dup 5) (match_dup 1))]
-  "
-{ operands[3] = operand_subword (operands[0], 0, 0, DImode);
-  operands[4] = operand_subword (operands[2], 0, 0, DImode);
-  operands[5] = operand_subword (operands[0], 1, 0, DImode);
+  [(set (match_operand:DF 0 "gpc_reg_operand" "")
+	(unspec [(match_operand:SI 1 "gpc_reg_operand" "")
+		 (match_operand:SI 2 "gpc_reg_operand" "")
+		 (match_operand:SI 3 "offsettable_addr_operand" "")] 2))]
+  "reload_completed"
+  [(set (match_dup 4) (match_dup 1))
+   (set (match_dup 5) (match_dup 2))
+   (set (match_dup 0) (mem:DF (match_dup 3)))]
+  "
+{
+  rtx word1 = gen_rtx (MEM, SImode, operands[3]);
+  rtx word2 = gen_rtx (MEM, SImode, plus_constant (operands[3], 4));
 
-  if (rtx_equal_p (operands[1], operands[5]))
+  MEM_IN_STRUCT_P (word1) = 1;
+  MEM_IN_STRUCT_P (word2) = 1;
+
+  if (WORDS_BIG_ENDIAN)
     {
-      emit_move_insn (operands[3], operands[4]);
-      DONE;
+      operands[4] = word2;
+      operands[5] = word1;
     }
-
-  if (rtx_equal_p (operands[1], operands[3]))
+  else
     {
-      rtx temp;
-
-      temp = operands[3]; operands[3] = operands[5]; operands[5] = temp;
-      temp = operands[4]; operands[4] = operands[1]; operands[1] = temp;
+      operands[4] = word1;
+      operands[5] = word2;
     }
 }")
 
 (define_insn ""
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
-	(plus:DI (zero_extend:DI (match_operand:SI 1 "gpc_reg_operand" "r"))
-		 (match_operand:DI 2 "immediate_operand" "n")))]
-  "HOST_BITS_PER_INT == BITS_PER_WORD
-   && GET_CODE (operands[2]) == CONST_DOUBLE
-   && CONST_DOUBLE_LOW (operands[2]) == 0"
+  [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
+	(unspec [(match_operand:SI 1 "gpc_reg_operand" "r")
+		 (match_operand:SI 2 "gpc_reg_operand" "r")
+		 (match_operand:SI 3 "offsettable_addr_operand" "p")] 2))]
+  "! TARGET_POWERPC64 && TARGET_HARD_FLOAT"
   "#"
-  [(set_attr "length" "8")])
+  [(set_attr "length" "12")])
 
 (define_expand "fix_truncdfsi2"
   [(set (match_operand:SI 0 "gpc_reg_operand" "")
 	(fix:SI (match_operand:DF 1 "gpc_reg_operand" "")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "
 {
   if (TARGET_POWER2 || TARGET_POWERPC)
     {
-      rtx stack_slot = assign_stack_temp (DImode, 8, 0),
-	temp = gen_reg_rtx (DImode);
+      int endian = (WORDS_BIG_ENDIAN == 0);
+      rtx stack_slot = rs6000_stack_temp (DImode, 8, 1);
+      rtx temp = gen_reg_rtx (DImode);
 
       emit_insn (gen_fpcvtsi (temp, operands[1]));
       emit_move_insn (stack_slot, temp);
       emit_move_insn (operands[0],
-		      operand_subword (stack_slot, 1, 0, DImode));
+		      operand_subword (stack_slot, 1 - endian, 0, DImode));
       DONE;
     }
   else
@@ -3114,14 +3440,14 @@
   [(set (match_operand:DI 0 "gpc_reg_operand" "=f")
 	(sign_extend:DI
 	 (fix:SI (match_operand:DF 1 "gpc_reg_operand" "f"))))]
-  "TARGET_POWER2 || TARGET_POWERPC"
+  "(TARGET_POWER2 || TARGET_POWERPC) && TARGET_HARD_FLOAT"
   "{fcirz|fctiwz} %0,%1"
   [(set_attr "type" "fp")])
 
 (define_expand "fixuns_truncdfsi2"
   [(set (match_operand:SI 0 "gpc_reg_operand" "")
 	(unsigned_fix:SI (match_operand:DF 1 "gpc_reg_operand" "")))]
-  "! TARGET_POWER2 && ! TARGET_POWERPC"
+  "! TARGET_POWER2 && ! TARGET_POWERPC && TARGET_HARD_FLOAT"
   "
 {
   emit_insn (gen_trunc_call (operands[0], operands[1],
@@ -3133,7 +3459,7 @@
   [(parallel [(set (match_operand:SI 0 "" "")
 		   (fix:SI (match_operand:DF 1 "" "")))
 	      (use (match_operand:SI 2 "" ""))])]
-  ""
+  "TARGET_HARD_FLOAT"
   "
 {
   rtx insns = gen_trunc_call_rtl (operands[0], operands[1], operands[2]);
@@ -3153,31 +3479,36 @@
    (use (reg:DF 33))
    (parallel [(set (reg:SI 3)
 		   (call (mem:SI (match_operand 2 "" "")) (const_int 0)))
+	      (use (const_int 0))
 	      (clobber (scratch:SI))])
    (set (match_operand:SI 0 "gpc_reg_operand" "")
 	(reg:SI 3))]
-  ""
+  "TARGET_HARD_FLOAT"
   "
-{ 
+{
   rs6000_trunc_used = 1;
 }")
 
 (define_insn "floatdidf2"
   [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
 	(float:DF (match_operand:DI 1 "gpc_reg_operand" "f")))]
-  "TARGET_POWERPC64"
+  "TARGET_POWERPC64 && TARGET_HARD_FLOAT"
   "fcfid %0,%1"
   [(set_attr "type" "fp")])
 
 (define_insn "fix_truncdfdi2"
   [(set (match_operand:DI 0 "gpc_reg_operand" "=f")
 	(fix:DI (match_operand:DF 1 "gpc_reg_operand" "f")))]
-  "TARGET_POWERPC64"
+  "TARGET_POWERPC64 && TARGET_HARD_FLOAT"
   "fctidz %0,%1"
   [(set_attr "type" "fp")])
 
 ;; Define the DImode operations that can be done in a small number
-;; of instructions.
+;; of instructions.  The & constraints are to prevent the register
+;; allocator from allocating registers that overlap with the inputs
+;; (for example, having an input in 7,8 and an output in 6,7).  We
+;; also allow for the the output being the same as one of the inputs.
+
 (define_expand "adddi3"
   [(set (match_operand:DI 0 "gpc_reg_operand" "")
 	(plus:DI (match_operand:DI 1 "gpc_reg_operand" "")
@@ -3191,27 +3522,34 @@
 }")
 
 (define_insn ""
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r")
-	(plus:DI (match_operand:DI 1 "gpc_reg_operand" "%r,r")
-		 (match_operand:DI 2 "reg_or_short_operand" "r,I")))]
+  [(set (match_operand:DI 0 "gpc_reg_operand" "=&r,&r,r,r")
+	(plus:DI (match_operand:DI 1 "gpc_reg_operand" "%r,r,0,0")
+		 (match_operand:DI 2 "reg_or_short_operand" "r,I,r,I")))]
   "TARGET_POWER && ! TARGET_POWERPC64"
   "@
    {a|addc} %L0,%L1,%L2\;{ae|adde} %0,%1,%2
+   {ai|addic} %L0,%L1,%2\;{a%G2e|add%G2e} %0,%1
+   {a|addc} %L0,%L1,%L2\;{ae|adde} %0,%1,%2
    {ai|addic} %L0,%L1,%2\;{a%G2e|add%G2e} %0,%1"
   [(set_attr "length" "8")])
 
 (define_insn ""
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
-	(plus:DI (match_operand:DI 1 "gpc_reg_operand" "%r")
-		 (match_operand:DI 2 "gpc_reg_operand" "r")))]
+  [(set (match_operand:DI 0 "gpc_reg_operand" "=&r,r")
+	(plus:DI (match_operand:DI 1 "gpc_reg_operand" "%r,0")
+		 (match_operand:DI 2 "gpc_reg_operand" "r,r")))]
   "! TARGET_POWER && ! TARGET_POWERPC64"
-  "addc %L0,%L1,%L2\;adde %0,%1,%2"
+  "*
+{
+  return (WORDS_BIG_ENDIAN)
+  ? \"addc %L0,%L1,%L2\;adde %0,%1,%2\"
+  : \"addc %0,%1,%2\;adde %L0,%L1,%L2\";
+}"
   [(set_attr "length" "8")])
 
 (define_expand "subdi3"
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r")
-	(minus:DI (match_operand:DI 1 "reg_or_short_operand" "r,I")
-		  (match_operand:DI 2 "gpc_reg_operand" "r,r")))]
+  [(set (match_operand:DI 0 "gpc_reg_operand" "")
+	(minus:DI (match_operand:DI 1 "reg_or_short_operand" "")
+		  (match_operand:DI 2 "gpc_reg_operand" "")))]
   ""
   "
 {
@@ -3221,21 +3559,29 @@
 }")
 
 (define_insn ""
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r")
-	(minus:DI (match_operand:DI 1 "reg_or_short_operand" "r,I")
-		  (match_operand:DI 2 "gpc_reg_operand" "r,r")))]
+  [(set (match_operand:DI 0 "gpc_reg_operand" "=&r,&r,r,r,r")
+	(minus:DI (match_operand:DI 1 "reg_or_short_operand" "r,I,0,r,I")
+		  (match_operand:DI 2 "gpc_reg_operand" "r,r,r,0,0")))]
   "TARGET_POWER && ! TARGET_POWERPC64"
   "@
    {sf|subfc} %L0,%L2,%L1\;{sfe|subfe} %0,%2,%1
+   {sfi|subfic} %L0,%L2,%1\;{sf%G1e|subf%G1e} %0,%2
+   {sf|subfc} %L0,%L2,%L1\;{sfe|subfe} %0,%2,%1
+   {sf|subfc} %L0,%L2,%L1\;{sfe|subfe} %0,%2,%1
    {sfi|subfic} %L0,%L2,%1\;{sf%G1e|subf%G1e} %0,%2"
   [(set_attr "length" "8")])
 
 (define_insn ""
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
-	(minus:DI (match_operand:DI 1 "gpc_reg_operand" "r")
-		  (match_operand:DI 2 "gpc_reg_operand" "r")))]
+  [(set (match_operand:DI 0 "gpc_reg_operand" "=&r,r,r")
+	(minus:DI (match_operand:DI 1 "gpc_reg_operand" "r,0,r")
+		  (match_operand:DI 2 "gpc_reg_operand" "r,r,0")))]
   "! TARGET_POWER && ! TARGET_POWERPC64"
-  "subfc %L0,%L2,%L1\;subfe %0,%2,%1"
+  "*
+{
+  return (WORDS_BIG_ENDIAN)
+    ? \"{sf|subfc} %L0,%L2,%L1\;{sfe|subfe} %0,%2,%1\"
+    : \"{sf|subfc} %0,%2,%1\;{sfe|subfe} %L0,%L2,%L1\";
+}"
   [(set_attr "length" "8")])
 
 (define_expand "negdi2"
@@ -3245,10 +3591,15 @@
   "")
 
 (define_insn ""
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
-	(neg:DI (match_operand:DI 1 "gpc_reg_operand" "r")))]
+  [(set (match_operand:DI 0 "gpc_reg_operand" "=&r,r")
+	(neg:DI (match_operand:DI 1 "gpc_reg_operand" "r,0")))]
   "! TARGET_POWERPC64"
-  "{sfi|subfic} %L0,%L1,0\;{sfze|subfze} %0,%1"
+  "*
+{
+  return (WORDS_BIG_ENDIAN)
+    ? \"{sfi|subfic} %L0,%L1,0\;{sfze|subfze} %0,%1\"
+    : \"{sfi|subfic} %0,%1,0\;{sfze|subfze} %L0,%L1\";
+}"
   [(set_attr "length" "8")])
 
 (define_expand "mulsidi3"
@@ -3260,12 +3611,13 @@
 {
   if (! TARGET_POWER && ! TARGET_POWERPC)
     {
+      int endian = (WORDS_BIG_ENDIAN == 0);
       emit_move_insn (gen_rtx (REG, SImode, 3), operands[1]);
       emit_move_insn (gen_rtx (REG, SImode, 4), operands[2]);
       emit_insn (gen_mull_call ());
-      emit_move_insn (operand_subword (operands[0], 0, 0, DImode),
+      emit_move_insn (operand_subword (operands[0], endian, 0, DImode),
 		      gen_rtx (REG, SImode, 3));
-      emit_move_insn (operand_subword (operands[0], 1, 0, DImode),
+      emit_move_insn (operand_subword (operands[0], 1 - endian, 0, DImode),
 		      gen_rtx (REG, SImode, 4));
       DONE;
     }
@@ -3291,7 +3643,12 @@
 	(mult:DI (sign_extend:DI (match_operand:SI 1 "gpc_reg_operand" "%r"))
 		 (sign_extend:DI (match_operand:SI 2 "gpc_reg_operand" "r"))))]
   "TARGET_POWERPC && ! TARGET_POWERPC64"
-  "mulhw %0,%1,%2\;mullw %L0,%1,%2"
+  "*
+{
+  return (WORDS_BIG_ENDIAN)
+    ? \"mulhw %0,%1,%2\;mullw %L0,%1,%2\"
+    : \"mulhw %L0,%1,%2\;mullw %0,%1,%2\";
+}"
   [(set_attr "type" "imul")
    (set_attr "length" "8")])
 
@@ -3415,8 +3772,8 @@
 ;; PowerPC64 DImode operations.
 
 (define_insn "ffsdi2"
-  [(set (match_operand:DI 0 "register_operand" "=&r")
-	(ffs:DI (match_operand:DI 1 "register_operand" "r")))]
+  [(set (match_operand:DI 0 "gpc_reg_operand" "=&r")
+	(ffs:DI (match_operand:DI 1 "gpc_reg_operand" "r")))]
   "TARGET_POWERPC64"
   "neg %0,%1\;and %0,%0,%1\;cntlzd %0,%0\;subfic %0,%0,64"
   [(set_attr "length" "16")])
@@ -3498,7 +3855,24 @@
   [(set_attr "type" "delayed_compare")])
 
 ;; Now define ways of moving data around.
-;;
+
+;; Elf specific ways of loading addresses for non-PIC code.
+;; The output of this could be r0, but we limit it to base
+;; registers, since almost all uses of this will need it
+;; in a base register shortly.
+(define_insn "elf_high"
+  [(set (match_operand:SI 0 "register_operand" "=b")
+	(high:SI (match_operand 1 "" "")))]
+  "TARGET_ELF && !TARGET_64BIT"
+  "{cau|addis} %0,0,%1@ha")
+
+(define_insn "elf_low"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(lo_sum:SI (match_operand:SI 1 "register_operand" "b")
+		   (match_operand 2 "" "")))]
+   "TARGET_ELF && !TARGET_64BIT"
+   "{cal %0,%a2@l(%1)|addi %0,%1,%2@l}")
+
 ;; For SI, we special-case integers that can't be loaded in one insn.  We
 ;; do the load 16-bits at a time.  We could do this by loading from memory,
 ;; and this is even supposed to be faster, but it is simpler not to get
@@ -3512,12 +3886,31 @@
   if (GET_CODE (operands[0]) != REG)
     operands[1] = force_reg (SImode, operands[1]);
 
-  if (CONSTANT_P (operands[1]) && GET_CODE (operands[1]) != CONST_INT
+  /* Convert a move of a CONST_DOUBLE into a CONST_INT */
+  if (GET_CODE (operands[1]) == CONST_DOUBLE)
+    operands[1] = GEN_INT (CONST_DOUBLE_LOW (operands[1]));
+
+  if (TARGET_ELF && TARGET_NO_TOC && !TARGET_64BIT
+      && CONSTANT_P (operands[1])
+      && GET_CODE (operands[1]) != HIGH
+      && GET_CODE (operands[1]) != CONST_INT)
+    {
+      rtx target = (reload_completed || reload_in_progress)
+			? operands[0] : gen_reg_rtx (SImode);
+
+      emit_insn (gen_elf_high (target, operands[1]));
+      emit_insn (gen_elf_low (operands[0], target, operands[1]));
+      DONE;
+    }
+
+  if (CONSTANT_P (operands[1])
+      && GET_CODE (operands[1]) != CONST_INT
+      && GET_CODE (operands[1]) != HIGH
       && ! LEGITIMATE_CONSTANT_POOL_ADDRESS_P (operands[1]))
     {
       /* If we are to limit the number of things we put in the TOC and
 	 this is a symbol plus a constant we can add in one insn,
-	 just put the sumbol in the TOC and add the constant.  Don't do
+	 just put the symbol in the TOC and add the constant.  Don't do
 	 this if reload is in progress.  */
       if (GET_CODE (operands[1]) == CONST
 	  && TARGET_NO_SUM_IN_TOC && ! reload_in_progress
@@ -3698,11 +4091,11 @@
   [(set_attr "type" "*,*,*,compare,*,*,load,*")
    (set_attr "length" "*,*,12,*,8,*,*,*")])
 
-;; For floating-point, we normally deal with the floating-point registers.
-;; The sole exception is that parameter passing can produce floating-point
-;; values in fixed-point registers.  Unless the value is a simple constant
-;; or already in memory, we deal with this by allocating memory and copying
-;; the value explicitly via that memory location.
+;; For floating-point, we normally deal with the floating-point registers
+;; unless -msoft-float is used.  The sole exception is that parameter passing
+;; can produce floating-point values in fixed-point registers.  Unless the
+;; value is a simple constant or already in memory, we deal with this by
+;; allocating memory and copying the value explicitly via that memory location.
 (define_expand "movsf"
   [(set (match_operand:SF 0 "nonimmediate_operand" "")
 	(match_operand:SF 1 "any_operand" ""))]
@@ -3720,70 +4113,77 @@
       && REGNO (SUBREG_REG (operands[1])) < FIRST_PSEUDO_REGISTER)
     operands[1] = alter_subreg (operands[1]);
 
-  if (GET_CODE (operands[1]) == REG && REGNO (operands[1]) < 32)
+  if (TARGET_SOFT_FLOAT && GET_CODE (operands[0]) == MEM)
+    operands[1] = force_reg (SFmode, operands[1]);
+
+  else if (TARGET_HARD_FLOAT)
     {
-      /* If this is a store to memory or another integer register do the
-	 move directly.  Otherwise store to a temporary stack slot and
-	 load from there into a floating point register.  */
-
-      if (GET_CODE (operands[0]) == MEM
-	  || (GET_CODE (operands[0]) == REG
-	      && (REGNO (operands[0]) < 32
-		  || (reload_in_progress
-		      && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER))))
+      if (GET_CODE (operands[1]) == REG && REGNO (operands[1]) < 32)
 	{
-	  emit_move_insn (operand_subword (operands[0], 0, 0, SFmode),
-			  operand_subword (operands[1], 0, 0, SFmode));
-	  DONE;
+	  /* If this is a store to memory or another integer register do the
+	     move directly.  Otherwise store to a temporary stack slot and
+	     load from there into a floating point register.  */
+
+	  if (GET_CODE (operands[0]) == MEM
+	      || (GET_CODE (operands[0]) == REG
+		  && (REGNO (operands[0]) < 32
+		      || (reload_in_progress
+			  && REGNO (operands[0]) >= FIRST_PSEUDO_REGISTER))))
+	    {
+	      emit_move_insn (operand_subword (operands[0], 0, 0, SFmode),
+			      operand_subword (operands[1], 0, 0, SFmode));
+	      DONE;
+	    }
+	  else
+	    {
+	      rtx stack_slot = assign_stack_temp (SFmode, 4, 0);
+
+	      emit_move_insn (stack_slot, operands[1]);
+	      emit_move_insn (operands[0], stack_slot);
+	      DONE;
+	    }
 	}
-      else
+
+      if (GET_CODE (operands[0]) == MEM)
 	{
-	  rtx stack_slot = assign_stack_temp (SFmode, 4, 0);
+	  /* If operands[1] is a register, it may have double-precision data
+	     in it, so truncate it to single precision.  We need not do
+	     this for POWERPC.  */
+	  if (! TARGET_POWERPC && TARGET_HARD_FLOAT
+	      && GET_CODE (operands[1]) == REG)
+	    {
+	      rtx newreg
+		= reload_in_progress ? operands[1] : gen_reg_rtx (SFmode);
+	      emit_insn (gen_aux_truncdfsf2 (newreg, operands[1]));
+	      operands[1] = newreg;
+	    }
 
-	  emit_move_insn (stack_slot, operands[1]);
-	  emit_move_insn (operands[0], stack_slot);
-	  DONE;
+	  operands[1] = force_reg (SFmode, operands[1]);
 	}
-    }
 
-  if (GET_CODE (operands[0]) == MEM)
-    {
-      /* If operands[1] is a register, it may have double-precision data
-	 in it, so truncate it to single precision.  We need not do
-	 this for POWERPC.  */
-      if (! TARGET_POWERPC && GET_CODE (operands[1]) == REG)
+      if (GET_CODE (operands[0]) == REG && REGNO (operands[0]) < 32)
 	{
-	  rtx newreg = reload_in_progress ? operands[1] : gen_reg_rtx (SFmode);
-	  emit_insn (gen_truncdfsf2 (newreg,
-				     gen_rtx (SUBREG, DFmode, operands[1], 0)));
-	  operands[1] = newreg;
-	}
-
-      operands[1] = force_reg (SFmode, operands[1]);
-    }
-
-  if (GET_CODE (operands[0]) == REG && REGNO (operands[0]) < 32)
-    {
-      if (GET_CODE (operands[1]) == MEM
+	  if (GET_CODE (operands[1]) == MEM
 #if HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT && ! defined(REAL_IS_NOT_DOUBLE)
-	  || GET_CODE (operands[1]) == CONST_DOUBLE
+	      || GET_CODE (operands[1]) == CONST_DOUBLE
 #endif
-	  || (GET_CODE (operands[1]) == REG
-	      && (REGNO (operands[1]) < 32
-		  || (reload_in_progress
-		      && REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER))))
-	{
-	  emit_move_insn (operand_subword (operands[0], 0, 0, SFmode),
-			  operand_subword (operands[1], 0, 0, SFmode));
-	  DONE;
-	}
-      else
-	{
-	  rtx stack_slot = assign_stack_temp (SFmode, 4, 0);
-
-	  emit_move_insn (stack_slot, operands[1]);
-	  emit_move_insn (operands[0], stack_slot);
-	  DONE;
+	      || (GET_CODE (operands[1]) == REG
+		  && (REGNO (operands[1]) < 32
+		      || (reload_in_progress
+			  && REGNO (operands[1]) >= FIRST_PSEUDO_REGISTER))))
+	    {
+	      emit_move_insn (operand_subword (operands[0], 0, 0, SFmode),
+			      operand_subword (operands[1], 0, 0, SFmode));
+	      DONE;
+	    }
+	  else
+	    {
+	      rtx stack_slot = assign_stack_temp (SFmode, 4, 0);
+
+	      emit_move_insn (stack_slot, operands[1]);
+	      emit_move_insn (operands[0], stack_slot);
+	      DONE;
+	    }
 	}
     }
 
@@ -3805,17 +4205,32 @@
   "
 { operands[2] = operand_subword (operands[0], 0, 0, SFmode);
   operands[3] = operand_subword (operands[1], 0, 0, SFmode); }")
-  
+
 (define_insn ""
   [(set (match_operand:SF 0 "fp_reg_or_mem_operand" "=f,f,m")
 	(match_operand:SF 1 "input_operand" "f,m,f"))]
-  "gpc_reg_operand (operands[0], SFmode)
-   || gpc_reg_operand (operands[1], SFmode)"
+  "(gpc_reg_operand (operands[0], SFmode)
+   || gpc_reg_operand (operands[1], SFmode)) && TARGET_HARD_FLOAT"
   "@
    fmr %0,%1
    lfs%U1%X1 %0,%1
    stfs%U0%X0 %1,%0"
   [(set_attr "type" "fp,fpload,*")])
+
+(define_insn ""
+  [(set (match_operand:SF 0 "nonimmediate_operand" "=r,r,m,r,r,r")
+	(match_operand:SF 1 "input_operand" "r,m,r,I,J,R"))]
+  "(gpc_reg_operand (operands[0], SFmode)
+   || gpc_reg_operand (operands[1], SFmode)) && TARGET_SOFT_FLOAT"
+  "@
+   mr %0,%1
+   {l%U1%X1|lwz%U1%X1} %0,%1
+   {st%U0%X0|stw%U0%X0} %1,%0
+   {lil|li} %0,%1
+   {liu|lis} %0,%u1
+   {cal|la} %0,%1(%*)"
+  [(set_attr "type" "*,load,*,*,*,*")])
+
 
 (define_expand "movdf"
   [(set (match_operand:DF 0 "nonimmediate_operand" "")
@@ -3866,8 +4281,9 @@
 (define_insn ""
   [(set (match_operand:DF 0 "nonimmediate_operand" "=!r,??r,o,!r,f,f,m")
 	(match_operand:DF 1 "input_operand" "r,o,r,G,f,m,f"))]
-  "! TARGET_POWERPC64 && (register_operand (operands[0], DFmode)
-   || register_operand (operands[1], DFmode))"
+  "! TARGET_POWERPC64 && TARGET_HARD_FLOAT
+   && (register_operand (operands[0], DFmode)
+       || register_operand (operands[1], DFmode))"
   "*
 {
   switch (which_alternative)
@@ -3906,10 +4322,48 @@
    (set_attr "length" "8,8,8,8,*,*,*")])
 
 (define_insn ""
+  [(set (match_operand:DF 0 "nonimmediate_operand" "=r,r,o,r")
+	(match_operand:DF 1 "input_operand" "r,o,r,G"))]
+  "! TARGET_POWERPC64 && TARGET_SOFT_FLOAT
+   && (register_operand (operands[0], DFmode)
+       || register_operand (operands[1], DFmode))"
+  "*
+{
+  switch (which_alternative)
+    {
+    case 0:
+      /* We normally copy the low-numbered register first.  However, if
+	 the first register operand 0 is the same as the second register of
+	 operand 1, we must copy in the opposite order.  */
+      if (REGNO (operands[0]) == REGNO (operands[1]) + 1)
+	return \"mr %L0,%L1\;mr %0,%1\";
+      else
+	return \"mr %0,%1\;mr %L0,%L1\";
+    case 1:
+      /* If the low-address word is used in the address, we must load it
+	 last.  Otherwise, load it first.  Note that we cannot have
+	 auto-increment in that case since the address register is known to be
+	 dead.  */
+      if (refers_to_regno_p (REGNO (operands[0]), REGNO (operands[0]) + 1,
+			     operands [1], 0))
+	return \"{l|lwz} %L0,%L1\;{l|lwz} %0,%1\";
+      else
+	return \"{l%U1|lwz%U1} %0,%1\;{l|lwz} %L0,%L1\";
+    case 2:
+      return \"{st%U0|stw%U0} %1,%0\;{st|stw} %L1,%L0\";
+    case 3:
+      return \"#\";
+    }
+}"
+  [(set_attr "type" "*,load,*,*")
+   (set_attr "length" "8,8,8,8")])
+
+(define_insn ""
   [(set (match_operand:DF 0 "nonimmediate_operand" "=!r,??r,o,!r,f,f,m")
 	(match_operand:DF 1 "input_operand" "r,o,r,G,f,m,f"))]
-  "TARGET_POWERPC64 && (register_operand (operands[0], DFmode)
-   || register_operand (operands[1], DFmode))"
+  "TARGET_POWERPC64 && TARGET_HARD_FLOAT
+   && (register_operand (operands[0], DFmode)
+       || register_operand (operands[1], DFmode))"
   "@
    mr %0,%1
    ld%U1%X1 %0,%1
@@ -3919,6 +4373,19 @@
    lfd%U1%X1 %0,%1
    stfd%U0%X0 %1,%0"
   [(set_attr "type" "*,load,*,*,fp,fpload,*")])
+
+(define_insn ""
+  [(set (match_operand:DF 0 "nonimmediate_operand" "=r,r,o,r")
+	(match_operand:DF 1 "input_operand" "r,o,r,G"))]
+  "TARGET_POWERPC64 && TARGET_SOFT_FLOAT
+   && (register_operand (operands[0], DFmode)
+       || register_operand (operands[1], DFmode))"
+  "@
+   mr %0,%1
+   ld%U1%X1 %0,%1
+   sd%U0%X0 %1,%0
+   #"
+  [(set_attr "type" "*,load,*,*")])
 
 ;; Next come the multi-word integer load and store and the load and store
 ;; multiple insns.
@@ -3928,19 +4395,34 @@
   ""
   "
 {
+  if (GET_CODE (operands[0]) == MEM)
+    operands[1] = force_reg (DImode, operands[1]);
+
   if (GET_CODE (operands[1]) == CONST_DOUBLE
       || GET_CODE (operands[1]) == CONST_INT)
     {
-      emit_move_insn (operand_subword (operands[0], 0, 0, DImode),
-		      operand_subword (operands[1], 0, 0, DImode));
-      emit_move_insn (operand_subword (operands[0], 1, 0, DImode),
-		      operand_subword (operands[1], 1, 0, DImode));
+      HOST_WIDE_INT low;
+      HOST_WIDE_INT high;
+
+      if (GET_CODE (operands[1]) == CONST_DOUBLE)
+	{
+	  low = CONST_DOUBLE_LOW (operands[1]);
+	  high = CONST_DOUBLE_HIGH (operands[1]);
+	}
+      else
+	{
+	  low = INTVAL (operands[1]);
+	  high = (low < 0) ? ~0 : 0;
+	}
+
+      emit_move_insn (gen_rtx (SUBREG, SImode, operands[0], WORDS_BIG_ENDIAN),
+		      GEN_INT (low));
+
+      emit_move_insn (gen_rtx (SUBREG, SImode, operands[0], !WORDS_BIG_ENDIAN),
+		      GEN_INT (high));
       DONE;
     }
 
-  if (GET_CODE (operands[0]) == MEM)
-    operands[1] = force_reg (DImode, operands[1]);
-
       /* Stores between FPR and any non-FPR registers must go through a
          temporary stack slot.  */
 
@@ -4024,7 +4506,7 @@
   [(parallel [(set (match_operand:TI 0 "general_operand" "")
 		   (match_operand:TI 1 "general_operand" ""))
 	      (clobber (scratch:SI))])]
-  "TARGET_POWER || TARGET_POWERPC64"
+  "TARGET_STRING || TARGET_POWERPC64"
   "
 {
   if (GET_CODE (operands[0]) == MEM)
@@ -4052,12 +4534,15 @@
   [(set (match_operand:TI 0 "reg_or_mem_operand" "=Q,m,????r,????r,????r")
 	(match_operand:TI 1 "reg_or_mem_operand" "r,r,r,Q,m"))
    (clobber (match_scratch:SI 2 "=q,q#X,X,X,X"))]
-  "TARGET_POWER && ! TARGET_POWERPC64 && (gpc_reg_operand (operands[0], TImode)
-   || gpc_reg_operand (operands[1], TImode))"
+  "TARGET_STRING && TARGET_POWER && ! TARGET_POWERPC64
+   && (gpc_reg_operand (operands[0], TImode) || gpc_reg_operand (operands[1], TImode))"
   "*
 {
   switch (which_alternative)
     {
+    default:
+      abort ();
+
     case 0:
       return \"{stsi|stswi} %1,%P0,16\";
 
@@ -4100,6 +4585,51 @@
    (set_attr "length" "*,16,16,*,16")])
 
 (define_insn ""
+  [(set (match_operand:TI 0 "reg_or_mem_operand" "=m,????r,????r")
+	(match_operand:TI 1 "reg_or_mem_operand" "r,r,m"))
+   (clobber (match_scratch:SI 2 "=X,X,X"))]
+  "TARGET_STRING && !TARGET_POWER && ! TARGET_POWERPC64
+   && (gpc_reg_operand (operands[0], TImode) || gpc_reg_operand (operands[1], TImode))"
+  "*
+{
+  switch (which_alternative)
+    {
+    default:
+      abort ();
+
+    case 0:
+      return \"{st%U0|stw%U0} %1,%0\;{st|stw} %L1,%L0\;{st|stw} %Y1,%Y0\;{st|stw} %Z1,%Z0\";
+
+    case 1:
+      /* Normally copy registers with lowest numbered register copied first.
+	 But copy in the other order if the first register of the output
+	 is the second, third, or fourth register in the input.  */
+      if (REGNO (operands[0]) >= REGNO (operands[1]) + 1
+	  && REGNO (operands[0]) <= REGNO (operands[1]) + 3)
+	return \"mr %Z0,%Z1\;mr %Y0,%Y1\;mr %L0,%L1\;mr %0,%1\";
+      else
+	return \"mr %0,%1\;mr %L0,%L1\;mr %Y0,%Y1\;mr %Z0,%Z1\";
+    case 2:
+      /* If the address register is the same as the register for the lowest-
+	 addressed word, load it last.  Similarly for the next two words.
+	 Otherwise load lowest address to highest.  */
+      if (refers_to_regno_p (REGNO (operands[0]), REGNO (operands[0]) + 1,
+			     operands[1], 0))
+	return \"{l|lwz} %L0,%L1\;{l|lwz} %Y0,%Y1\;{l|lwz} %Z0,%Z1\;{l|lwz} %0,%1\";
+      else if (refers_to_regno_p (REGNO (operands[0]) + 1,
+				  REGNO (operands[0]) + 2, operands[1], 0))
+	return \"{l|lwz} %0,%1\;{l|lwz} %Y0,%Y1\;{l|lwz} %Z0,%Z1\;{l|lwz} %L0,%L1\";
+      else if (refers_to_regno_p (REGNO (operands[0]) + 2,
+				  REGNO (operands[0]) + 3, operands[1], 0))
+	return \"{l|lwz} %0,%1\;{l|lwz} %L0,%L1\;{l|lwz} %Z0,%Z1\;{l|lwz} %Y0,%Y1\";
+      else
+	return \"{l%U1|lwz%U1} %0,%1\;{l|lwz} %L0,%L1\;{l|lwz} %Y0,%Y1\;{l|lwz} %Z0,%Z1\";
+    }
+}"
+  [(set_attr "type" "load,*,*")
+   (set_attr "length" "16,16,16")])
+
+(define_insn ""
   [(set (match_operand:TI 0 "nonimmediate_operand" "=r,r,m")
 	(match_operand:TI 1 "input_operand" "r,m,r"))]
   "TARGET_POWERPC64 && (gpc_reg_operand (operands[0], TImode)
@@ -4137,7 +4667,7 @@
   [(match_par_dup 3 [(set (match_operand:SI 0 "" "")
 			  (match_operand:SI 1 "" ""))
 		     (use (match_operand:SI 2 "" ""))])]
-  "TARGET_POWER"
+  "TARGET_STRING"
   "
 {
   int regno;
@@ -4171,34 +4701,60 @@
 (define_insn ""
   [(match_parallel 0 "load_multiple_operation"
 		   [(set (match_operand:SI 1 "gpc_reg_operand" "=r")
-			 (match_operand:SI 2 "indirect_operand" "Q"))])]
-  "TARGET_POWER"
+			 (mem:SI (match_operand:SI 2 "register_operand" "b")))])]
+  "TARGET_STRING"
   "*
 {
   /* We have to handle the case where the pseudo used to contain the address
-     is assigned to one of the output registers.  In that case, do the
-     lsi, but then load the correct value.  This is a bit of a mess, but is
-     the best we can do.
-     We set the length attribute to the maximum possible size (8 bytes).  */
-  static char result[100];
-  char newload[40];
-  int i;
+     is assigned to one of the output registers.  */
+  int i, j;
+  int words = XVECLEN (operands[0], 0);
+  rtx xop[10];
+
+  if (XVECLEN (operands[0], 0) == 1)
+    return \"{l|lwz} %1,0(%2)\";
 
-  strcpy (result, \"{lsi|lswi} %1,%P2,%N0\");
-  for (i = 0; i < XVECLEN (operands[0], 0); i++)
+  for (i = 0; i < words; i++)
     if (refers_to_regno_p (REGNO (operands[1]) + i,
 			   REGNO (operands[1]) + i + 1, operands[2], 0))
       {
-	sprintf (newload, \"\;{l|lwz} %d,%d(%d)\",
-		 REGNO (operands[1]) + i,
-		 i * 4, REGNO (XEXP (operands[2], 0)));
-	strcat (result, newload);
+	if (i == words-1)
+	  {
+	    xop[0] = operands[1];
+	    xop[1] = operands[2];
+	    xop[2] = GEN_INT (4 * (words-1));
+	    output_asm_insn (\"{lsi|lswi} %0,%1,%2\;{l|lwz} %1,%2(%1)\", xop);
+	    return \"\";
+	  }
+	else if (i == 0)
+	  {
+	    xop[0] = operands[1];
+	    xop[1] = gen_rtx (REG, SImode, REGNO (operands[1]) + 1);
+	    xop[2] = GEN_INT (4 * (words-1));
+	    output_asm_insn (\"{cal %0,4(%0)|addi %0,%0,4}\;{lsi|lswi} %1,%0,%2\;{l|lwz} %0,-4(%0)\", xop);
+	    return \"\";
+	  }
+	else
+	  {
+	    for (j = 0; j < words; j++)
+	      if (j != i)
+		{
+		  xop[0] = gen_rtx (REG, SImode, REGNO (operands[1]) + j);
+		  xop[1] = operands[2];
+		  xop[2] = GEN_INT (j * 4);
+		  output_asm_insn (\"{l|lwz} %0,%2(%1)\", xop);
+		}
+	    xop[0] = operands[2];
+	    xop[1] = GEN_INT (i * 4);
+	    output_asm_insn (\"{l|lwz} %0,%1(%0)\", xop);
+	    return \"\";
+	  }
       }
 
-  return result;
+  return \"{lsi|lswi} %1,%2,%N0\";
 }"
   [(set_attr "type" "load")
-   (set_attr "length" "8")])
+   (set_attr "length" "32")])
 
 
 (define_expand "store_multiple"
@@ -4206,7 +4762,7 @@
 			  (match_operand:SI 1 "" ""))
 		     (clobber (scratch:SI))
 		     (use (match_operand:SI 2 "" ""))])]
-  "TARGET_POWER"
+  "TARGET_STRING"
   "
 {
   int regno;
@@ -4248,10 +4804,281 @@
 		   [(set (match_operand:SI 1 "indirect_operand" "=Q")
 			 (match_operand:SI 2 "gpc_reg_operand" "r"))
 		    (clobber (match_scratch:SI 3 "=q"))])]
-  "TARGET_POWER"
+  "TARGET_STRING && TARGET_POWER"
   "{stsi|stswi} %2,%P1,%O0")
+
+(define_insn ""
+  [(match_parallel 0 "store_multiple_operation"
+		   [(set (mem:SI (match_operand:SI 1 "register_operand" "b"))
+			 (match_operand:SI 2 "gpc_reg_operand" "r"))
+		    (clobber (match_scratch:SI 3 "X"))])]
+  "TARGET_STRING && !TARGET_POWER"
+  "{stsi|stswi} %2,%1,%O0")
+
+
+;; String/block move insn.
+;; Argument 0 is the destination
+;; Argument 1 is the source
+;; Argument 2 is the length
+;; Argument 3 is the alignment
+
+(define_expand "movstrsi"
+  [(parallel [(set (match_operand:BLK 0 "memory_operand" "")
+		   (match_operand:BLK 1 "memory_operand" ""))
+	      (use (match_operand:SI 2 "general_operand" ""))
+	      (use (match_operand:SI 3 "immediate_operand" ""))])]
+  ""
+  "
+{
+  if (expand_block_move (operands))
+    DONE;
+  else
+    FAIL;
+}")
+
+;; Move up to 32 bytes at a time.  The fixed registers are needed because the
+;; register allocator doesn't have a clue about allocating 8 word registers
+(define_expand "movstrsi_8reg"
+  [(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
+		   (mem:BLK (match_operand:SI 1 "register_operand" "")))
+	      (use (match_operand:SI 2 "immediate_operand" ""))
+	      (use (match_operand:SI 3 "immediate_operand" ""))
+	      (clobber (reg:SI  5))
+	      (clobber (reg:SI  6))
+	      (clobber (reg:SI  7))
+	      (clobber (reg:SI  8))
+	      (clobber (reg:SI  9))
+	      (clobber (reg:SI 10))
+	      (clobber (reg:SI 11))
+	      (clobber (reg:SI 12))
+	      (clobber (match_scratch:SI 4 ""))])]
+  "TARGET_STRING"
+  "")
+
+(define_insn ""
+  [(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
+	(mem:BLK (match_operand:SI 1 "register_operand" "b")))
+   (use (match_operand:SI 2 "immediate_operand" "i"))
+   (use (match_operand:SI 3 "immediate_operand" "i"))
+   (clobber (match_operand:SI 4 "register_operand" "=r"))
+   (clobber (reg:SI  6))
+   (clobber (reg:SI  7))
+   (clobber (reg:SI  8))
+   (clobber (reg:SI  9))
+   (clobber (reg:SI 10))
+   (clobber (reg:SI 11))
+   (clobber (reg:SI 12))
+   (clobber (match_scratch:SI 5 "=q"))]
+  "TARGET_STRING && TARGET_POWER
+   && ((INTVAL (operands[2]) > 24 && INTVAL (operands[2]) < 32) || INTVAL (operands[2]) == 0)
+   && (REGNO (operands[0]) < 5 || REGNO (operands[0]) > 12)
+   && (REGNO (operands[1]) < 5 || REGNO (operands[1]) > 12)
+   && REGNO (operands[4]) == 5"
+  "{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
+  [(set_attr "length" "8")])
+
+(define_insn ""
+  [(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
+	(mem:BLK (match_operand:SI 1 "register_operand" "b")))
+   (use (match_operand:SI 2 "immediate_operand" "i"))
+   (use (match_operand:SI 3 "immediate_operand" "i"))
+   (clobber (match_operand:SI 4 "register_operand" "=r"))
+   (clobber (reg:SI  6))
+   (clobber (reg:SI  7))
+   (clobber (reg:SI  8))
+   (clobber (reg:SI  9))
+   (clobber (reg:SI 10))
+   (clobber (reg:SI 11))
+   (clobber (reg:SI 12))
+   (clobber (match_scratch:SI 5 "X"))]
+  "TARGET_STRING && !TARGET_POWER
+   && ((INTVAL (operands[2]) > 24 && INTVAL (operands[2]) < 32) || INTVAL (operands[2]) == 0)
+   && (REGNO (operands[0]) < 5 || REGNO (operands[0]) > 12)
+   && (REGNO (operands[1]) < 5 || REGNO (operands[1]) > 12)
+   && REGNO (operands[4]) == 5"
+  "{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
+  [(set_attr "length" "8")])
+
+;; Move up to 24 bytes at a time.  The fixed registers are needed because the
+;; register allocator doesn't have a clue about allocating 6 word registers
+(define_expand "movstrsi_6reg"
+  [(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
+		   (mem:BLK (match_operand:SI 1 "register_operand" "")))
+	      (use (match_operand:SI 2 "immediate_operand" ""))
+	      (use (match_operand:SI 3 "immediate_operand" ""))
+	      (clobber (reg:SI  7))
+	      (clobber (reg:SI  8))
+	      (clobber (reg:SI  9))
+	      (clobber (reg:SI 10))
+	      (clobber (reg:SI 11))
+	      (clobber (reg:SI 12))
+	      (clobber (match_scratch:SI 4 ""))])]
+  "TARGET_STRING"
+  "")
+
+(define_insn ""
+  [(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
+	(mem:BLK (match_operand:SI 1 "register_operand" "b")))
+   (use (match_operand:SI 2 "immediate_operand" "i"))
+   (use (match_operand:SI 3 "immediate_operand" "i"))
+   (clobber (match_operand:SI 4 "register_operand" "=r"))
+   (clobber (reg:SI  8))
+   (clobber (reg:SI  9))
+   (clobber (reg:SI 10))
+   (clobber (reg:SI 11))
+   (clobber (reg:SI 12))
+   (clobber (match_scratch:SI 5 "=q"))]
+  "TARGET_STRING && TARGET_POWER
+   && INTVAL (operands[2]) > 16 && INTVAL (operands[2]) <= 24
+   && (REGNO (operands[0]) < 7 || REGNO (operands[0]) > 12)
+   && (REGNO (operands[1]) < 7 || REGNO (operands[1]) > 12)
+   && REGNO (operands[4]) == 7"
+  "{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
+  [(set_attr "length" "8")])
+
+(define_insn ""
+  [(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
+	(mem:BLK (match_operand:SI 1 "register_operand" "b")))
+   (use (match_operand:SI 2 "immediate_operand" "i"))
+   (use (match_operand:SI 3 "immediate_operand" "i"))
+   (clobber (match_operand:SI 4 "register_operand" "=r"))
+   (clobber (reg:SI  8))
+   (clobber (reg:SI  9))
+   (clobber (reg:SI 10))
+   (clobber (reg:SI 11))
+   (clobber (reg:SI 12))
+   (clobber (match_scratch:SI 5 "X"))]
+  "TARGET_STRING && !TARGET_POWER
+   && INTVAL (operands[2]) > 16 && INTVAL (operands[2]) <= 32
+   && (REGNO (operands[0]) < 7 || REGNO (operands[0]) > 12)
+   && (REGNO (operands[1]) < 7 || REGNO (operands[1]) > 12)
+   && REGNO (operands[4]) == 7"
+  "{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
+  [(set_attr "length" "8")])
+
+;; Move up to 16 bytes at a time, using 4 fixed registers to avoid spill problems
+;; with TImode
+(define_expand "movstrsi_4reg"
+  [(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
+		   (mem:BLK (match_operand:SI 1 "register_operand" "")))
+	      (use (match_operand:SI 2 "immediate_operand" ""))
+	      (use (match_operand:SI 3 "immediate_operand" ""))
+	      (clobber (reg:SI  9))
+	      (clobber (reg:SI 10))
+	      (clobber (reg:SI 11))
+	      (clobber (reg:SI 12))
+	      (clobber (match_scratch:SI 4 ""))])]
+  "TARGET_STRING"
+  "")
+
+(define_insn ""
+  [(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
+	(mem:BLK (match_operand:SI 1 "register_operand" "b")))
+   (use (match_operand:SI 2 "immediate_operand" "i"))
+   (use (match_operand:SI 3 "immediate_operand" "i"))
+   (clobber (match_operand:SI 4 "register_operand" "=r"))
+   (clobber (reg:SI 10))
+   (clobber (reg:SI 11))
+   (clobber (reg:SI 12))
+   (clobber (match_scratch:SI 5 "=q"))]
+  "TARGET_STRING && TARGET_POWER
+   && INTVAL (operands[2]) > 8 && INTVAL (operands[2]) <= 16
+   && (REGNO (operands[0]) < 9 || REGNO (operands[0]) > 12)
+   && (REGNO (operands[1]) < 9 || REGNO (operands[1]) > 12)
+   && REGNO (operands[4]) == 9"
+  "{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
+  [(set_attr "length" "8")])
+
+(define_insn ""
+  [(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
+	(mem:BLK (match_operand:SI 1 "register_operand" "b")))
+   (use (match_operand:SI 2 "immediate_operand" "i"))
+   (use (match_operand:SI 3 "immediate_operand" "i"))
+   (clobber (match_operand:SI 4 "register_operand" "=r"))
+   (clobber (reg:SI 10))
+   (clobber (reg:SI 11))
+   (clobber (reg:SI 12))
+   (clobber (match_scratch:SI 5 "X"))]
+  "TARGET_STRING && !TARGET_POWER
+   && INTVAL (operands[2]) > 8 && INTVAL (operands[2]) <= 16
+   && (REGNO (operands[0]) < 9 || REGNO (operands[0]) > 12)
+   && (REGNO (operands[1]) < 9 || REGNO (operands[1]) > 12)
+   && REGNO (operands[4]) == 9"
+  "{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
+  [(set_attr "length" "8")])
+
+;; Move up to 8 bytes at a time.
+(define_expand "movstrsi_2reg"
+  [(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
+		   (mem:BLK (match_operand:SI 1 "register_operand" "")))
+	      (use (match_operand:SI 2 "immediate_operand" ""))
+	      (use (match_operand:SI 3 "immediate_operand" ""))
+	      (clobber (match_scratch:DI 4 ""))
+	      (clobber (match_scratch:SI 5 ""))])]
+  "TARGET_STRING && !TARGET_64BIT"
+  "")
+
+(define_insn ""
+  [(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
+	(mem:BLK (match_operand:SI 1 "register_operand" "b")))
+   (use (match_operand:SI 2 "immediate_operand" "i"))
+   (use (match_operand:SI 3 "immediate_operand" "i"))
+   (clobber (match_scratch:DI 4 "=&r"))
+   (clobber (match_scratch:SI 5 "=q"))]
+  "TARGET_STRING && TARGET_POWER && !TARGET_64BIT
+   && INTVAL (operands[2]) > 4 && INTVAL (operands[2]) <= 8"
+  "{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
+  [(set_attr "length" "8")])
+
+(define_insn ""
+  [(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
+	(mem:BLK (match_operand:SI 1 "register_operand" "b")))
+   (use (match_operand:SI 2 "immediate_operand" "i"))
+   (use (match_operand:SI 3 "immediate_operand" "i"))
+   (clobber (match_scratch:DI 4 "=&r"))
+   (clobber (match_scratch:SI 5 "X"))]
+  "TARGET_STRING && !TARGET_POWER && !TARGET_64BIT
+   && INTVAL (operands[2]) > 4 && INTVAL (operands[2]) <= 8"
+  "{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
+  [(set_attr "length" "8")])
+
+;; Move up to 4 bytes at a time.
+(define_expand "movstrsi_1reg"
+  [(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
+		   (mem:BLK (match_operand:SI 1 "register_operand" "")))
+	      (use (match_operand:SI 2 "immediate_operand" ""))
+	      (use (match_operand:SI 3 "immediate_operand" ""))
+	      (clobber (match_scratch:SI 4 ""))
+	      (clobber (match_scratch:SI 5 ""))])]
+  "TARGET_STRING"
+  "")
+
+(define_insn ""
+  [(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
+	(mem:BLK (match_operand:SI 1 "register_operand" "b")))
+   (use (match_operand:SI 2 "immediate_operand" "i"))
+   (use (match_operand:SI 3 "immediate_operand" "i"))
+   (clobber (match_scratch:SI 4 "=&r"))
+   (clobber (match_scratch:SI 5 "=q"))]
+  "TARGET_STRING && TARGET_POWER
+   && INTVAL (operands[2]) > 0 && INTVAL (operands[2]) <= 4"
+  "{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
+  [(set_attr "length" "8")])
+
+(define_insn ""
+  [(set (mem:BLK (match_operand:SI 0 "register_operand" "b"))
+	(mem:BLK (match_operand:SI 1 "register_operand" "b")))
+   (use (match_operand:SI 2 "immediate_operand" "i"))
+   (use (match_operand:SI 3 "immediate_operand" "i"))
+   (clobber (match_scratch:SI 4 "=&r"))
+   (clobber (match_scratch:SI 5 "X"))]
+  "TARGET_STRING && !TARGET_POWER
+   && INTVAL (operands[2]) > 0 && INTVAL (operands[2]) <= 4"
+  "{lsi|lswi} %4,%1,%2\;{stsi|stswi} %4,%0,%2"
+  [(set_attr "length" "8")])
+
 
-;; Define insns that do load or store with update.  Some of these we can 
+;; Define insns that do load or store with update.  Some of these we can
 ;; get by using pre-decrement or pre-increment, but the hardware can also
 ;; do cases where the increment is not the size of the object.
 ;;
@@ -4273,6 +5100,17 @@
   [(set_attr "type" "load")])
 
 (define_insn ""
+  [(set (match_operand:DI 3 "gpc_reg_operand" "=r")
+	(sign_extend:DI
+	 (mem:SI (plus:DI (match_operand:DI 1 "gpc_reg_operand" "0")
+			  (match_operand:DI 2 "gpc_reg_operand" "r")))))
+   (set (match_operand:DI 0 "gpc_reg_operand" "=b")
+	(plus:DI (match_dup 1) (match_dup 2)))]
+  "TARGET_POWERPC64"
+  "lwaux %3,%0,%2"
+  [(set_attr "type" "load")])
+
+(define_insn "movdi_update"
   [(set (mem:DI (plus:DI (match_operand:DI 1 "gpc_reg_operand" "0,0")
 			 (match_operand:DI 2 "reg_or_short_operand" "r,I")))
 	(match_operand:DI 3 "gpc_reg_operand" "r,r"))
@@ -4295,7 +5133,7 @@
    {lu|lwzu} %3,%2(%0)"
   [(set_attr "type" "load")])
 
-(define_insn ""
+(define_insn "movsi_update"
   [(set (mem:SI (plus:SI (match_operand:SI 1 "gpc_reg_operand" "0,0")
 			 (match_operand:SI 2 "reg_or_short_operand" "r,I")))
 	(match_operand:SI 3 "gpc_reg_operand" "r,r"))
@@ -4397,7 +5235,7 @@
 			 (match_operand:SI 2 "reg_or_short_operand" "r,I"))))
    (set (match_operand:SI 0 "gpc_reg_operand" "=b,b")
 	(plus:SI (match_dup 1) (match_dup 2)))]
-  ""
+  "TARGET_HARD_FLOAT"
   "@
    lfsux %3,%0,%2
    lfsu %3,%2(%0)"
@@ -4409,7 +5247,7 @@
 	(match_operand:SF 3 "gpc_reg_operand" "f,f"))
    (set (match_operand:SI 0 "gpc_reg_operand" "=b,b")
 	(plus:SI (match_dup 1) (match_dup 2)))]
-  ""
+  "TARGET_HARD_FLOAT"
   "@
    stfsux %3,%0,%2
    stfsu %3,%2(%0)")
@@ -4420,7 +5258,7 @@
 			 (match_operand:SI 2 "reg_or_short_operand" "r,I"))))
    (set (match_operand:SI 0 "gpc_reg_operand" "=b,b")
 	(plus:SI (match_dup 1) (match_dup 2)))]
-  ""
+  "TARGET_HARD_FLOAT"
   "@
    lfdux %3,%0,%2
    lfdu %3,%2(%0)"
@@ -4432,27 +5270,71 @@
 	(match_operand:DF 3 "gpc_reg_operand" "f,f"))
    (set (match_operand:SI 0 "gpc_reg_operand" "=b,b")
 	(plus:SI (match_dup 1) (match_dup 2)))]
-  ""
+  "TARGET_HARD_FLOAT"
   "@
    stfdux %3,%0,%2
    stfdu %3,%2(%0)")
+
+;; Peephole to convert two consecutive FP loads or stores into lfq/stfq.
+
+(define_peephole
+  [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
+	(match_operand:DF 1 "memory_operand" ""))
+   (set (match_operand:DF 2 "gpc_reg_operand" "=f")
+	(match_operand:DF 3 "memory_operand" ""))]
+  "TARGET_POWER2
+   && TARGET_HARD_FLOAT
+   && registers_ok_for_quad_peep (operands[0], operands[2])
+   && ! MEM_VOLATILE_P (operands[1]) && ! MEM_VOLATILE_P (operands[3])
+   && addrs_ok_for_quad_peep (XEXP (operands[1], 0), XEXP (operands[3], 0))"
+  "lfq%U1%X1 %0,%1")
+
+(define_peephole
+  [(set (match_operand:DF 0 "memory_operand" "")
+	(match_operand:DF 1 "gpc_reg_operand" "f"))
+   (set (match_operand:DF 2 "memory_operand" "")
+	(match_operand:DF 3 "gpc_reg_operand" "f"))]
+  "TARGET_POWER2
+   && TARGET_HARD_FLOAT
+   && registers_ok_for_quad_peep (operands[1], operands[3])
+   && ! MEM_VOLATILE_P (operands[0]) && ! MEM_VOLATILE_P (operands[2])
+   && addrs_ok_for_quad_peep (XEXP (operands[0], 0), XEXP (operands[2], 0))"
+  "stfq%U0%X0 %1,%0")
 
 ;; Next come insns related to the calling sequence.
 ;;
 ;; First, an insn to allocate new stack space for dynamic use (e.g., alloca).
-;; We move the back-chain and decrement the stack pointer.  
+;; We move the back-chain and decrement the stack pointer.
 
 (define_expand "allocate_stack"
   [(set (reg:SI 1)
 	(minus:SI (reg:SI 1) (match_operand:SI 0 "reg_or_short_operand" "")))]
   ""
   "
-{ rtx chain = gen_reg_rtx (SImode);
+{ rtx chain = gen_reg_rtx (Pmode);
   rtx stack_bot = gen_rtx (MEM, Pmode, stack_pointer_rtx);
+  rtx neg_op0;
 
   emit_move_insn (chain, stack_bot);
-  emit_insn (gen_subsi3 (stack_pointer_rtx, stack_pointer_rtx, operands[0]));
-  emit_move_insn (stack_bot, chain);
+
+  if (GET_CODE (operands[0]) != CONST_INT
+      || INTVAL (operands[0]) < -32767
+      || INTVAL (operands[0]) > 32768)
+    {
+      neg_op0 = gen_reg_rtx (Pmode);
+      if (TARGET_POWERPC64)
+	emit_insn (gen_negdi2 (neg_op0, operands[0]));
+      else
+	emit_insn (gen_negsi2 (neg_op0, operands[0]));
+    }
+  else
+    neg_op0 = GEN_INT (- INTVAL (operands[0]));
+
+  if (TARGET_POWERPC64)
+    emit_insn (gen_movdi_update (stack_pointer_rtx, stack_pointer_rtx, neg_op0, chain));
+  else
+    emit_insn (gen_movsi_update (stack_pointer_rtx, stack_pointer_rtx, neg_op0, chain));
+
   DONE;
 }")
 
@@ -4497,7 +5379,7 @@
   emit_move_insn (operand_subword (operands[0], 1, 0, DImode), operands[1]);
   DONE;
 }")
-		  
+
 (define_expand "restore_stack_nonlocal"
   [(match_operand:SI 0 "register_operand" "")
    (match_operand:DI 1 "memory_operand" "")]
@@ -4516,7 +5398,7 @@
 ;; A function pointer is a pointer to a data area whose first word contains
 ;; the actual address of the function, whose second word contains a pointer
 ;; to its TOC, and whose third word contains a value to place in the static
-;; chain register (r11).  Note that if we load the static chain, our 
+;; chain register (r11).  Note that if we load the static chain, our
 ;; "trampoline" need not have any executable code.
 ;;
 ;; operands[0] is an SImode pseudo in which we place the address of the
@@ -4542,6 +5424,7 @@
 (define_expand "call"
   [(parallel [(call (mem:SI (match_operand:SI 0 "address_operand" ""))
 		    (match_operand 1 "" ""))
+	      (use (match_operand 2 "" ""))
 	      (clobber (scratch:SI))])]
   ""
   "
@@ -4552,10 +5435,13 @@
   operands[0] = XEXP (operands[0], 0);
   if (GET_CODE (operands[0]) != SYMBOL_REF)
     {
+#ifndef USING_SVR4_H
+      /* AIX function pointers are really pointers to a three word area */
       rtx temp = gen_reg_rtx (SImode);
 
       emit_insn (gen_call_via_ptr (temp, force_reg (SImode, operands[0])));
       operands[0] = temp;
+#endif	/* !USING_SVR4_H */
     }
 }")
 
@@ -4563,6 +5449,7 @@
   [(parallel [(set (match_operand 0 "" "")
 		   (call (mem:SI (match_operand:SI 1 "address_operand" ""))
 			 (match_operand 2 "" "")))
+	      (use (match_operand 3 "" ""))
 	      (clobber (scratch:SI))])]
   ""
   "
@@ -4573,53 +5460,124 @@
   operands[1] = XEXP (operands[1], 0);
   if (GET_CODE (operands[1]) != SYMBOL_REF)
     {
+#ifndef USING_SVR4_H
+      /* AIX function pointers are really pointers to a three word area */
       rtx temp = gen_reg_rtx (SImode);
 
       emit_insn (gen_call_via_ptr (temp, force_reg (SImode, operands[1])));
       operands[1] = temp;
+#endif	/* !USING_SVR4_H */
     }
 }")
 
 ;; Call to function in current module.  No TOC pointer reload needed.
+;; Operand2 is non-zero if we are using the V.4 calling sequence and
+;; either the function was not prototyped, or it was prototyped as a
+;; variable argument function.  It is > 0 if FP registers were passed
+;; and < 0 if they were not.
 
 (define_insn ""
-  [(call (mem:SI (match_operand:SI 0 "current_file_function_operand" "s"))
-	 (match_operand 1 "" "g"))
-   (clobber (match_scratch:SI 2 "=l"))]
+  [(call (mem:SI (match_operand:SI 0 "current_file_function_operand" "s,s"))
+	 (match_operand 1 "" "g,g"))
+   (use (match_operand:SI 2 "immediate_operand" "O,n"))
+   (clobber (match_scratch:SI 3 "=l,l"))]
   ""
-  "bl %z0")
+  "*
+{
+  if (INTVAL (operands[2]) > 0)
+    return \"creqv 6,6,6\;bl %z0\";
+
+  else if (INTVAL (operands[2]) < 0)
+    return \"crxor 6,6,6\;bl %z0\";
+
+  return \"bl %z0\";
+}"
+  [(set_attr "length" "4,8")])
 
 ;; Call to function which may be in another module.  Restore the TOC
-;; pointer (r2) after the call.
+;; pointer (r2) after the call unless this is System V.
+;; Operand2 is non-zero if we are using the V.4 calling sequence and
+;; either the function was not prototyped, or it was prototyped as a
+;; variable argument function.  It is > 0 if FP registers were passed
+;; and < 0 if they were not.
 
 (define_insn ""
-  [(call (mem:SI (match_operand:SI 0 "call_operand" "l,s"))
-	 (match_operand 1 "" "fg,fg"))
-   (clobber (match_scratch:SI 2 "=l,l"))]
+  [(call (mem:SI (match_operand:SI 0 "call_operand" "l,s,l,s"))
+	 (match_operand 1 "" "fg,fg,fg,fg"))
+   (use (match_operand:SI 2 "immediate_operand" "O,O,n,n"))
+   (clobber (match_scratch:SI 3 "=l,l,l,l"))]
   ""
-  "@
-   {brl|blrl}\;{l|lwz} 2,20(1)
-   bl %z0\;%."
-  [(set_attr "length" "8")])
+  "*
+{
+  if (INTVAL (operands[2]) > 0)
+    output_asm_insn (\"creqv 6,6,6\", operands);
+
+  else if (INTVAL (operands[2]) < 0)
+    output_asm_insn (\"crxor 6,6,6\", operands);
+
+#ifndef USING_SVR4_H
+  if (GET_CODE (operands[0]) == REG)
+    return \"{brl|blrl}\;{l|lwz} 2,20(1)\";
+
+  return \"bl %z0\;%.\";
+
+#else
+  if (GET_CODE (operands[0]) == REG)
+    return \"{brl|blrl}\";
+
+  return \"bl %z0\";
+#endif
+}"
+  [(set_attr "length" "8,8,12,12")])
 
 (define_insn ""
-  [(set (match_operand 0 "" "=fg")
-	(call (mem:SI (match_operand:SI 1 "current_file_function_operand" "s"))
-	      (match_operand 2 "" "g")))
-   (clobber (match_scratch:SI 3 "=l"))]
+  [(set (match_operand 0 "" "=fg,fg")
+	(call (mem:SI (match_operand:SI 1 "current_file_function_operand" "s,s"))
+	      (match_operand 2 "" "g,g")))
+   (use (match_operand:SI 3 "immediate_operand" "O,n"))
+   (clobber (match_scratch:SI 4 "=l,l"))]
   ""
-  "bl %z1")
+  "*
+{
+  if (INTVAL (operands[3]) > 0)
+    return \"creqv 6,6,6\;bl %z1\";
+
+  else if (INTVAL (operands[3]) < 0)
+    return \"crxor 6,6,6\;bl %z1\";
+
+  return \"bl %z1\";
+}"
+  [(set_attr "length" "4,8")])
 
 (define_insn ""
-  [(set (match_operand 0 "" "=fg,fg")
-	(call (mem:SI (match_operand:SI 1 "call_operand" "l,s"))
-	      (match_operand 2 "" "fg,fg")))
-   (clobber (match_scratch:SI 3 "=l,l"))]
+  [(set (match_operand 0 "" "=fg,fg,fg,fg")
+	(call (mem:SI (match_operand:SI 1 "call_operand" "l,s,l,s"))
+	      (match_operand 2 "" "fg,fg,fg,fg")))
+   (use (match_operand:SI 3 "immediate_operand" "O,O,n,n"))
+   (clobber (match_scratch:SI 4 "=l,l,l,l"))]
   ""
-  "@
-   {brl|blrl}\;{l|lwz} 2,20(1)
-   bl %z1\;%."
-  [(set_attr "length" "8")])
+  "*
+{
+  if (INTVAL (operands[3]) > 0)
+    output_asm_insn (\"creqv 6,6,6\", operands);
+
+  else if (INTVAL (operands[3]) < 0)
+    output_asm_insn (\"crxor 6,6,6\", operands);
+
+#ifndef USING_SVR4_H
+  if (GET_CODE (operands[1]) == REG)
+    return \"{brl|blrl}\;{l|lwz} 2,20(1)\";
+
+  return \"bl %z1\;%.\";
+
+#else
+  if (GET_CODE (operands[1]) == REG)
+    return \"{brl|blrl}\";
+
+  return \"bl %z1\";
+#endif
+}"
+  [(set_attr "length" "8,8,12,12")])
 
 ;; Call subroutine returning any type.
 
@@ -4633,7 +5591,7 @@
 {
   int i;
 
-  emit_call_insn (gen_call (operands[0], const0_rtx, NULL, const0_rtx));
+  emit_call_insn (gen_call (operands[0], const0_rtx, const0_rtx, const0_rtx));
 
   for (i = 0; i < XVECLEN (operands[2], 0); i++)
     {
@@ -4657,9 +5615,17 @@
   [(unspec_volatile [(const_int 0)] 0)]
   ""
   "")
+
+;; Synchronize instruction/data caches for V.4 trampolines
+(define_insn "sync_isync"
+  [(unspec [(match_operand 0 "memory_operand" "=m")] 1)]
+  ""
+  "{dcs|sync}\;{ics|isync}"
+  [(set_attr "length" "8")])
+
 
 ;; Compare insns are next.  Note that the RS/6000 has two types of compares,
-;; signed & unsigned, and one type of branch.  
+;; signed & unsigned, and one type of branch.
 ;;
 ;; Start with the DEFINE_EXPANDs to generate the rtl for compares, scc
 ;; insns, and branches.  We store the operands of compares until we see
@@ -4686,7 +5652,7 @@
 (define_expand "cmpsf"
   [(set (cc0) (compare (match_operand:SF 0 "gpc_reg_operand" "")
 		       (match_operand:SF 1 "gpc_reg_operand" "")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "
 {
   rs6000_compare_op0 = operands[0];
@@ -4698,7 +5664,7 @@
 (define_expand "cmpdf"
   [(set (cc0) (compare (match_operand:DF 0 "gpc_reg_operand" "")
 		       (match_operand:DF 1 "gpc_reg_operand" "")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "
 {
   rs6000_compare_op0 = operands[0];
@@ -5050,7 +6016,7 @@
   ""
   "#"
   [(set_attr "length" "8")])
-   
+
 (define_insn ""
   [(set (match_operand:CCUNS 3 "cc_reg_operand" "=y")
 	(compare:CCUNS (match_operand:SI 1 "gpc_reg_operand" "r")
@@ -5060,7 +6026,7 @@
   ""
   "#"
   [(set_attr "length" "8")])
-   
+
 (define_split
   [(set (match_operand:CC 3 "cc_reg_operand" "")
 	(compare:CC (match_operand:SI 1 "gpc_reg_operand" "")
@@ -5085,7 +6051,7 @@
   [(set (match_operand:CCFP 0 "cc_reg_operand" "=y")
 	(compare:CCFP (match_operand:SF 1 "gpc_reg_operand" "f")
 		      (match_operand:SF 2 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "fcmpu %0,%1,%2"
   [(set_attr "type" "fpcompare")])
 
@@ -5093,7 +6059,7 @@
   [(set (match_operand:CCFP 0 "cc_reg_operand" "=y")
 	(compare:CCFP (match_operand:DF 1 "gpc_reg_operand" "f")
 		      (match_operand:DF 2 "gpc_reg_operand" "f")))]
-  ""
+  "TARGET_HARD_FLOAT"
   "fcmpu %0,%1,%2"
   [(set_attr "type" "fpcompare")])
 
@@ -5260,7 +6226,7 @@
 
 (define_insn ""
   [(set (match_operand:CC 4 "cc_reg_operand" "=x,x,x,x,x")
-	(compare:CC 
+	(compare:CC
 	 (eq:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r,r,r,r")
 		(match_operand:SI 2 "reg_or_cint_operand" "r,O,K,J,I"))
 	 (const_int 0)))
@@ -5309,7 +6275,7 @@
 
 (define_insn ""
   [(set (match_operand:CC 0 "cc_reg_operand" "=x,x,x,x,x")
-	(compare:CC 
+	(compare:CC
 	 (plus:SI
 	  (eq:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r,r,r,r")
 		 (match_operand:SI 2 "reg_or_cint_operand" "r,O,K,J,I"))
@@ -5328,7 +6294,7 @@
 
 (define_insn ""
   [(set (match_operand:CC 5 "cc_reg_operand" "=x,x,x,x,x")
-	(compare:CC 
+	(compare:CC
 	 (plus:SI
 	  (eq:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r,r,r,r")
 		 (match_operand:SI 2 "reg_or_cint_operand" "r,O,K,J,I"))
@@ -5360,6 +6326,17 @@
    {sfi|subfic} %0,%1,%2\;{ai|addic} %0,%0,-1\;{sfe|subfe} %0,%0,%0"
    [(set_attr "length" "12,8,12,12,12")])
 
+;; Simplify (ne X (const_int 0)) on the PowerPC.  No need to on the Power,
+;; since it nabs/sr is just as fast.
+(define_insn ""
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
+	(lshiftrt:SI (neg:SI (abs:SI (match_operand:SI 1 "gpc_reg_operand" "r")))
+		     (const_int 31)))
+   (clobber (match_scratch:SI 2 "=&r"))]
+  "!TARGET_POWER"
+  "{ai|addic} %2,%1,-1\;{sfe|subfe} %0,%2,%1"
+  [(set_attr "length" "8")])
+
 ;; This is what (plus (ne X (const_int 0)) Y) looks like.
 (define_insn ""
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
@@ -6297,36 +7274,69 @@
   ""
   "@
    bctr
-   {br|blr}")
+   {br|blr}"
+  [(set_attr "type" "jmpreg")])
 
 (define_insn "nop"
   [(const_int 0)]
   ""
   "{cror 0,0,0|nop}")
 
-;; Define the subtract-one-and-jump insns, starting with the template 
+;; Define the subtract-one-and-jump insns, starting with the template
 ;; so loop.c knows what to generate.
 
 (define_expand "decrement_and_branchsi"
-  [(parallel [(set (pc) (if_then_else (ne (match_operand:SI 0 "register_operand" "c")
+  [(parallel [(set (match_operand:SI 0 "register_operand" "")
+		   (plus:SI (match_dup 0)
+			    (const_int -1)))
+	      (set (pc) (if_then_else (ne (match_dup 0)
 					  (const_int 1))
 				      (label_ref (match_operand 1 "" ""))
 				      (pc)))
-	      (set (match_dup 0) (plus:SI (match_dup 0) (const_int -1)))])]
+	      (clobber (match_scratch:CC 2 ""))
+	      (clobber (match_scratch:SI 3 ""))])]
   ""
   "")
 
 ;; We need to be able to do this for any operand, including MEM, or we
 ;; will cause reload to blow up since we don't allow output reloads on
-;; JUMP_INSNs. 
+;; JUMP_INSNs.
+;; In order that the length attribute is calculated correctly, the
+;; label MUST be operand 0.
+
 (define_insn ""
   [(set (pc)
-	(if_then_else (ne (match_operand:SI 1 "register_operand" "0,*r,*r")
+	(if_then_else (ne (match_operand:SI 1 "register_operand" "c,*r,*r")
 			  (const_int 1))
-		      (label_ref (match_operand 2 "" ""))
+		      (label_ref (match_operand 0 "" ""))
 		      (pc)))
-   (set (match_operand:SI 0 "register_operand" "=c,*r,m*q*c*l")
-	(plus:SI (match_dup 1) (const_int -1)))
+   (set (match_operand:SI 2 "register_operand" "=1,*r,m*q*c*l")
+	(plus:SI (match_dup 1)
+		 (const_int -1)))
+   (clobber (match_scratch:CC 3 "=X,&x,&x"))
+   (clobber (match_scratch:SI 4 "=X,X,r"))]
+  ""
+  "*
+{
+  if (which_alternative != 0)
+    return \"#\";
+  else if (get_attr_length (insn) == 8)
+    return \"{bdn|bdnz} %l0\";
+  else
+    return \"bdz $+8\;b %l0\";
+}"
+  [(set_attr "type" "branch")
+   (set_attr "length" "*,12,16")])
+
+(define_insn ""
+  [(set (pc)
+	(if_then_else (ne (match_operand:SI 1 "register_operand" "c,*r,*r")
+			  (const_int 1))
+		      (pc)
+		      (label_ref (match_operand 0 "" ""))))
+   (set (match_operand:SI 2 "register_operand" "=1,*r,m*q*c*l")
+	(plus:SI (match_dup 1)
+		 (const_int -1)))
    (clobber (match_scratch:CC 3 "=X,&x,&x"))
    (clobber (match_scratch:SI 4 "=X,X,r"))]
   ""
@@ -6335,22 +7345,47 @@
   if (which_alternative != 0)
     return \"#\";
   else if (get_attr_length (insn) == 8)
-    return \"{bdn|bdnz} %l2\";
+    return \"bdz %l0\";
   else
-    return \"bdz $+8\;b %l2\";
+    return \"{bdn|bdnz} $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
    (set_attr "length" "*,12,16")])
-			       
+
 ;; Similar, but we can use GE since we have a REG_NONNEG.
 (define_insn ""
   [(set (pc)
-	(if_then_else (ge (match_operand:SI 1 "register_operand" "0,*r,*r")
+	(if_then_else (ge (match_operand:SI 1 "register_operand" "c,*r,*r")
 			  (const_int 0))
-		      (label_ref (match_operand 2 "" ""))
+		      (label_ref (match_operand 0 "" ""))
 		      (pc)))
-   (set (match_operand:SI 0 "register_operand" "=c,*r,m*q*c*l")
-	(plus:SI (match_dup 1) (const_int -1)))
+   (set (match_operand:SI 2 "register_operand" "=1,*r,m*q*c*l")
+	(plus:SI (match_dup 1)
+		 (const_int -1)))
+   (clobber (match_scratch:CC 3 "=X,&x,&X"))
+   (clobber (match_scratch:SI 4 "=X,X,r"))]
+  "find_reg_note (insn, REG_NONNEG, 0)"
+  "*
+{
+  if (which_alternative != 0)
+    return \"#\";
+  else if (get_attr_length (insn) == 8)
+    return \"{bdn|bdnz} %l0\";
+  else
+    return \"bdz $+8\;b %l0\";
+}"
+  [(set_attr "type" "branch")
+   (set_attr "length" "*,12,16")])
+
+(define_insn ""
+  [(set (pc)
+	(if_then_else (ge (match_operand:SI 1 "register_operand" "c,*r,*r")
+			  (const_int 0))
+		      (pc)
+		      (label_ref (match_operand 0 "" ""))))
+   (set (match_operand:SI 2 "register_operand" "=1,*r,m*q*c*l")
+	(plus:SI (match_dup 1)
+		 (const_int -1)))
    (clobber (match_scratch:CC 3 "=X,&x,&X"))
    (clobber (match_scratch:SI 4 "=X,X,r"))]
   "find_reg_note (insn, REG_NONNEG, 0)"
@@ -6359,21 +7394,46 @@
   if (which_alternative != 0)
     return \"#\";
   else if (get_attr_length (insn) == 8)
-    return \"{bdn|bdnz} %l2\";
+    return \"bdz %l0\";
   else
-    return \"bdz $+8\;b %l2\";
+    return \"{bdn|bdnz} $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
    (set_attr "length" "*,12,16")])
-			       
+
 (define_insn ""
   [(set (pc)
-	(if_then_else (eq (match_operand:SI 1 "register_operand" "0,*r,*r")
+	(if_then_else (eq (match_operand:SI 1 "register_operand" "c,*r,*r")
 			  (const_int 1))
-		      (label_ref (match_operand 2 "" ""))
+		      (label_ref (match_operand 0 "" ""))
 		      (pc)))
-   (set (match_operand:SI 0 "register_operand" "=c,*r,m*q*c*l")
-	(plus:SI (match_dup 1) (const_int -1)))
+   (set (match_operand:SI 2 "register_operand" "=1,*r,m*q*c*l")
+	(plus:SI (match_dup 1)
+		 (const_int -1)))
+   (clobber (match_scratch:CC 3 "=X,&x,&x"))
+   (clobber (match_scratch:SI 4 "=X,X,r"))]
+  ""
+  "*
+{
+  if (which_alternative != 0)
+    return \"#\";
+  else if (get_attr_length (insn) == 8)
+    return \"bdz %l0\";
+  else
+    return \"{bdn|bdnz} $+8\;b %l0\";
+}"
+  [(set_attr "type" "branch")
+   (set_attr "length" "*,12,16")])
+
+(define_insn ""
+  [(set (pc)
+	(if_then_else (eq (match_operand:SI 1 "register_operand" "c,*r,*r")
+			  (const_int 1))
+		      (pc)
+		      (label_ref (match_operand 0 "" ""))))
+   (set (match_operand:SI 2 "register_operand" "=1,*r,m*q*c*l")
+	(plus:SI (match_dup 1)
+		 (const_int -1)))
    (clobber (match_scratch:CC 3 "=X,&x,&x"))
    (clobber (match_scratch:SI 4 "=X,X,r"))]
   ""
@@ -6382,9 +7442,9 @@
   if (which_alternative != 0)
     return \"#\";
   else if (get_attr_length (insn) == 8)
-    return \"bdz %l2\";
+    return \"{bdn|bdnz} %l0\";
   else
-    return \"{bdn|bdnz} $+8\;b %l2\";
+    return \"bdz $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
    (set_attr "length" "*,12,16")])
@@ -6397,15 +7457,21 @@
 		      (match_operand 5 "" "")
 		      (match_operand 6 "" "")))
    (set (match_operand:SI 0 "gpc_reg_operand" "")
-	(plus:SI (match_dup 1) (const_int -1)))
+	(plus:SI (match_dup 1)
+		 (const_int -1)))
    (clobber (match_scratch:CC 3 ""))
    (clobber (match_scratch:SI 4 ""))]
   "reload_completed"
   [(parallel [(set (match_dup 3)
-		   (compare:CC (plus:SI (match_dup 1) (const_int -1))
+		   (compare:CC (plus:SI (match_dup 1)
+					(const_int -1))
 			       (const_int 0)))
-	      (set (match_dup 0) (plus:SI (match_dup 1) (const_int -1)))])
-   (set (pc) (if_then_else (match_dup 7) (match_dup 5) (match_dup 6)))]
+	      (set (match_dup 0)
+		   (plus:SI (match_dup 1)
+			    (const_int -1)))])
+   (set (pc) (if_then_else (match_dup 7)
+			   (match_dup 5)
+			   (match_dup 6)))]
   "
 { operands[7] = gen_rtx (GET_CODE (operands[2]), VOIDmode, operands[3],
 			 const0_rtx); }")
@@ -6423,11 +7489,17 @@
    (clobber (match_scratch:SI 4 ""))]
   "reload_completed && ! gpc_reg_operand (operands[0], SImode)"
   [(parallel [(set (match_dup 3)
-		   (compare:CC (plus:SI (match_dup 1) (const_int -1))
+		   (compare:CC (plus:SI (match_dup 1)
+					(const_int -1))
 			       (const_int 0)))
-	      (set (match_dup 4) (plus:SI (match_dup 1) (const_int -1)))])
-   (set (match_dup 0) (match_dup 4))
-   (set (pc) (if_then_else (match_dup 7) (match_dup 5) (match_dup 6)))]
+	      (set (match_dup 4)
+		   (plus:SI (match_dup 1)
+			    (const_int -1)))])
+   (set (match_dup 0)
+	(match_dup 4))
+   (set (pc) (if_then_else (match_dup 7)
+			   (match_dup 5)
+			   (match_dup 6)))]
   "
 { operands[7] = gen_rtx (GET_CODE (operands[2]), VOIDmode, operands[3],
 			 const0_rtx); }")