diff gcc/config/iq2000/iq2000.md @ 0:a06113de4d67

first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children 77e2b8dfacca
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/iq2000/iq2000.md	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,2550 @@
+;;  iq2000.md	     Machine Description for Vitesse IQ2000 processors
+;;  Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+
+;; This file is part of GCC.
+
+;; GCC is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 3, or (at your option)
+;; any later version.
+
+;; GCC is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GCC; see the file COPYING3.  If not see
+;; <http://www.gnu.org/licenses/>.
+
+(define_constants
+  [(UNSPEC_ADO16 0)
+   (UNSPEC_RAM	1)
+   (UNSPEC_CHKHDR 2)
+   (UNSPEC_PKRL	3)
+   (UNSPEC_CFC0	4)
+   (UNSPEC_CFC1	5)
+   (UNSPEC_CFC2	6)
+   (UNSPEC_CFC3	7)
+   (UNSPEC_CTC0	8)
+   (UNSPEC_CTC1	9)
+   (UNSPEC_CTC2	10)
+   (UNSPEC_CTC3	11)
+   (UNSPEC_MFC0	12)
+   (UNSPEC_MFC1	13)
+   (UNSPEC_MFC2	14)
+   (UNSPEC_MFC3	15)
+   (UNSPEC_MTC0	16)
+   (UNSPEC_MTC1	17)
+   (UNSPEC_MTC2	18)
+   (UNSPEC_MTC3	19)
+   (UNSPEC_LUR	20)
+   (UNSPEC_RB	21)
+   (UNSPEC_RX	22)
+   (UNSPEC_SRRD	23)
+   (UNSPEC_SRWR	24)
+   (UNSPEC_WB	25)
+   (UNSPEC_WX	26)
+   (UNSPEC_LUC32 49)
+   (UNSPEC_LUC32L 27)
+   (UNSPEC_LUC64 28)
+   (UNSPEC_LUC64L 29)
+   (UNSPEC_LUK 30)
+   (UNSPEC_LULCK 31)
+   (UNSPEC_LUM32 32)
+   (UNSPEC_LUM32L 33)
+   (UNSPEC_LUM64 34)
+   (UNSPEC_LUM64L 35)
+   (UNSPEC_LURL 36)
+   (UNSPEC_MRGB 37)
+   (UNSPEC_SRRDL 38)
+   (UNSPEC_SRULCK 39)
+   (UNSPEC_SRWRU 40)
+   (UNSPEC_TRAPQFL 41)
+   (UNSPEC_TRAPQNE 42)
+   (UNSPEC_TRAPREL 43)
+   (UNSPEC_WBU 44)
+   (UNSPEC_SYSCALL 45)]
+)
+;; UNSPEC values used in iq2000.md
+;; Number	USE
+;; 0		movsi_ul
+;; 1		movsi_us, get_fnaddr
+;; 3		eh_set_return
+;; 20		builtin_setjmp_setup
+;;
+;; UNSPEC_VOLATILE values
+;; 0		blockage
+;; 2		loadgp
+;; 3		builtin_longjmp
+;; 4		exception_receiver
+;; 10		consttable_qi
+;; 11		consttable_hi
+;; 12		consttable_si
+;; 13		consttable_di
+;; 14		consttable_sf
+;; 15		consttable_df
+;; 16		align_2
+;; 17		align_4
+;; 18		align_8
+
+
+;; ....................
+;;
+;;	Attributes
+;;
+;; ....................
+
+;; Classification of each insn.
+;; branch	conditional branch
+;; jump		unconditional jump
+;; call		unconditional call
+;; load		load instruction(s)
+;; store	store instruction(s)
+;; move		data movement within same register set
+;; xfer		transfer to/from coprocessor
+;; arith	integer arithmetic instruction
+;; darith	double precision integer arithmetic instructions
+;; imul		integer multiply
+;; idiv		integer divide
+;; icmp		integer compare
+;; fadd		floating point add/subtract
+;; fmul		floating point multiply
+;; fmadd	floating point multiply-add
+;; fdiv		floating point divide
+;; fabs		floating point absolute value
+;; fneg		floating point negation
+;; fcmp		floating point compare
+;; fcvt		floating point convert
+;; fsqrt	floating point square root
+;; multi	multiword sequence (or user asm statements)
+;; nop		no operation
+
+(define_attr "type"
+  "unknown,branch,jump,call,load,store,move,xfer,arith,darith,imul,idiv,icmp,fadd,fmul,fmadd,fdiv,fabs,fneg,fcmp,fcvt,fsqrt,multi,nop"
+  (const_string "unknown"))
+
+;; Main data type used by the insn
+(define_attr "mode" "unknown,none,QI,HI,SI,DI,SF,DF,FPSW" (const_string "unknown"))
+
+;; Length (in # of bytes).  A conditional branch is allowed only to a
+;; location within a signed 18-bit offset of the delay slot.  If that
+;; provides too small a range, we use the `j' instruction.  This
+;; instruction takes a 28-bit value, but that value is not an offset.
+;; Instead, it's bitwise-ored with the high-order four bits of the
+;; instruction in the delay slot, which means it cannot be used to
+;; cross a 256MB boundary.  We could fall back back on the jr,
+;; instruction which allows full access to the entire address space,
+;; but we do not do so at present.
+
+(define_attr "length" ""
+   (cond [(eq_attr "type" "branch")
+          (cond [(lt (abs (minus (match_dup 1) (plus (pc) (const_int 4))))
+                     (const_int 131072))
+                 (const_int 4)]
+	         (const_int 12))]
+          (const_int 4)))
+
+(define_attr "cpu"
+  "default,iq2000"
+  (const (symbol_ref "iq2000_cpu_attr")))
+
+;; Does the instruction have a mandatory delay slot? has_dslot
+;; Can the instruction be in a delay slot? ok_in_dslot
+;; Can the instruction not be in a delay slot? not_in_dslot
+(define_attr "dslot" "has_dslot,ok_in_dslot,not_in_dslot"
+  (if_then_else (eq_attr "type" "branch,jump,call,xfer,fcmp")
+		(const_string "has_dslot")
+		(const_string "ok_in_dslot")))
+
+;; Attribute defining whether or not we can use the branch-likely instructions
+
+(define_attr "branch_likely" "no,yes"
+  (const
+   (if_then_else (ne (symbol_ref "GENERATE_BRANCHLIKELY") (const_int 0))
+		 (const_string "yes")
+		 (const_string "no"))))
+
+
+;; Describe a user's asm statement.
+(define_asm_attributes
+  [(set_attr "type" "multi")])
+
+
+
+;; .........................
+;;
+;;	Delay slots, can't describe load/fcmp/xfer delay slots here
+;;
+;; .........................
+
+(define_delay (eq_attr "type" "jump")
+  [(and (eq_attr "dslot" "ok_in_dslot") (eq_attr "length" "4"))
+   (nil)
+   (nil)])
+
+(define_delay (eq_attr "type" "branch")
+  [(and (eq_attr "dslot" "ok_in_dslot") (eq_attr "length" "4"))
+   (nil)
+   (and (eq_attr "branch_likely" "yes") (and (eq_attr "dslot" "ok_in_dslot") (eq_attr "length" "4")))])
+
+(define_delay (eq_attr "type" "call")
+  [(and (eq_attr "dslot" "ok_in_dslot") (eq_attr "length" "4"))
+   (nil)
+   (nil)])
+
+(include "predicates.md")
+
+
+;; .........................
+;;
+;;	Pipeline model
+;;
+;; .........................
+
+(define_automaton "iq2000")
+(define_cpu_unit "core,memory" "iq2000")
+
+(define_insn_reservation "nonmemory" 1
+  (eq_attr "type" "!load,move,store,xfer")
+  "core")
+
+(define_insn_reservation "iq2000_load_move" 3
+  (and (eq_attr "type" "load,move")
+       (eq_attr "cpu" "iq2000"))
+  "memory")
+
+(define_insn_reservation "other_load_move" 1
+  (and (eq_attr "type" "load,move")
+       (eq_attr "cpu" "!iq2000"))
+  "memory")
+
+(define_insn_reservation "store" 1
+  (eq_attr "type" "store")
+  "memory")
+
+(define_insn_reservation "xfer" 2
+  (eq_attr "type" "xfer")
+  "memory")
+
+;;
+;;  ....................
+;;
+;;	CONDITIONAL TRAPS
+;;
+;;  ....................
+;;
+
+(define_insn "trap"
+  [(trap_if (const_int 1) (const_int 0))]
+  ""
+  "*
+{
+  return \"break\";
+}")
+
+;;
+;;  ....................
+;;
+;;	ADDITION
+;;
+;;  ....................
+;;
+
+(define_expand "addsi3"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(plus:SI (match_operand:SI 1 "reg_or_0_operand" "dJ")
+		 (match_operand:SI 2 "arith_operand" "dI")))]
+  ""
+  "")
+
+(define_insn "addsi3_internal"
+  [(set (match_operand:SI 0 "register_operand" "=d,=d")
+	(plus:SI (match_operand:SI 1 "reg_or_0_operand" "dJ,dJ")
+		 (match_operand:SI 2 "arith_operand" "d,I")))]
+  ""
+  "@
+   addu\\t%0,%z1,%2
+   addiu\\t%0,%z1,%2"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+;;
+;;  ....................
+;;
+;;	SUBTRACTION
+;;
+;;  ....................
+;;
+
+(define_expand "subsi3"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(minus:SI (match_operand:SI 1 "reg_or_0_operand" "dJ")
+		  (match_operand:SI 2 "arith_operand" "dI")))]
+  ""
+  "")
+
+(define_insn "subsi3_internal"
+  [(set (match_operand:SI 0 "register_operand" "=d,=d")
+	(minus:SI (match_operand:SI 1 "reg_or_0_operand" "dJ,dJ")
+		  (match_operand:SI 2 "arith_operand" "d,I")))]
+  ""
+  "@
+   subu\\t%0,%z1,%2
+   addiu\\t%0,%z1,%n2"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+;;
+;;  ....................
+;;
+;;	NEGATION and ONE'S COMPLEMENT
+;;
+;;  ....................
+
+(define_insn "negsi2"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(neg:SI (match_operand:SI 1 "register_operand" "d")))]
+  ""
+  "*
+{
+  operands[2] = const0_rtx;
+  return \"subu\\t%0,%z2,%1\";
+}"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+(define_insn "one_cmplsi2"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(not:SI (match_operand:SI 1 "register_operand" "d")))]
+  ""
+  "*
+{
+  operands[2] = const0_rtx;
+  return \"nor\\t%0,%z2,%1\";
+}"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+;;
+;;  ....................
+;;
+;;	LOGICAL
+;;
+;;  ....................
+;;
+
+(define_expand "andsi3"
+  [(set (match_operand:SI 0 "register_operand" "=d,d,d")
+	(and:SI (match_operand:SI 1 "uns_arith_operand" "%d,d,d")
+		(match_operand:SI 2 "nonmemory_operand" "d,K,N")))]
+  ""
+  "")
+
+(define_insn ""
+  [(set (match_operand:SI 0 "register_operand" "=d,d,d")
+	(and:SI (match_operand:SI 1 "uns_arith_operand" "%d,d,d")
+		(match_operand:SI 2 "nonmemory_operand" "d,K,N")))]
+  ""
+  "*
+{
+  if (which_alternative == 0)
+    return \"and\\t%0,%1,%2\";
+  else if (which_alternative == 1)
+    return \"andi\\t%0,%1,%x2\";
+  else if (which_alternative == 2)
+    {
+      if ((INTVAL (operands[2]) & 0xffff) == 0xffff)
+	{
+	  operands[2] = GEN_INT (INTVAL (operands[2]) >> 16);
+	  return \"andoui\\t%0,%1,%x2\";
+	}
+      else
+	{
+	  operands[2] = GEN_INT (INTVAL (operands[2]) & 0xffff);
+	  return \"andoi\\t%0,%1,%x2\";
+	}
+    }
+}"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+(define_expand "iorsi3"
+  [(set (match_operand:SI 0 "register_operand" "=d,d")
+	(ior:SI (match_operand:SI 1 "uns_arith_operand" "%d,d")
+		(match_operand:SI 2 "uns_arith_operand" "d,K")))]
+  ""
+  "")
+
+(define_insn ""
+  [(set (match_operand:SI 0 "register_operand" "=d,d")
+	(ior:SI (match_operand:SI 1 "uns_arith_operand" "%d,d")
+		(match_operand:SI 2 "uns_arith_operand" "d,K")))]
+  ""
+  "@
+   or\\t%0,%1,%2
+   ori\\t%0,%1,%x2"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+(define_expand "xorsi3"
+  [(set (match_operand:SI 0 "register_operand" "=d,d")
+	(xor:SI (match_operand:SI 1 "uns_arith_operand" "%d,d")
+		(match_operand:SI 2 "uns_arith_operand" "d,K")))]
+  ""
+  "")
+
+(define_insn ""
+  [(set (match_operand:SI 0 "register_operand" "=d,d")
+	(xor:SI (match_operand:SI 1 "uns_arith_operand" "%d,d")
+		(match_operand:SI 2 "uns_arith_operand" "d,K")))]
+  ""
+  "@
+   xor\\t%0,%1,%2
+   xori\\t%0,%1,%x2"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+(define_insn "*norsi3"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(and:SI (not:SI (match_operand:SI 1 "register_operand" "d"))
+		(not:SI (match_operand:SI 2 "register_operand" "d"))))]
+  ""
+  "nor\\t%0,%z1,%z2"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+;;
+;;  ....................
+;;
+;;	ZERO EXTENSION
+;;
+;;  ....................
+
+;; Extension insns.
+;; Those for integer source operand are ordered widest source type first.
+
+(define_expand "zero_extendhisi2"
+  [(set (match_operand:SI 0 "register_operand" "")
+	(zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "")))]
+  ""
+  "")
+
+(define_insn ""
+  [(set (match_operand:SI 0 "register_operand" "=d,d,d")
+	(zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "d,R,m")))]
+  ""
+  "*
+{
+  if (which_alternative == 0)
+    return \"andi\\t%0,%1,0xffff\";
+  else
+    return iq2000_move_1word (operands, insn, TRUE);
+}"
+  [(set_attr "type"	"arith,load,load")
+   (set_attr "mode"	"SI")
+   (set_attr "length"	"4,4,8")])
+
+(define_expand "zero_extendqihi2"
+  [(set (match_operand:HI 0 "register_operand" "")
+	(zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "")))]
+  ""
+  "")
+
+(define_insn ""
+  [(set (match_operand:HI 0 "register_operand" "=d,d,d")
+	(zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "d,R,m")))]
+  ""
+  "*
+{
+  if (which_alternative == 0)
+    return \"andi\\t%0,%1,0x00ff\";
+  else
+    return iq2000_move_1word (operands, insn, TRUE);
+}"
+  [(set_attr "type"	"arith,load,load")
+   (set_attr "mode"	"HI")
+   (set_attr "length"	"4,4,8")])
+
+(define_expand "zero_extendqisi2"
+  [(set (match_operand:SI 0 "register_operand" "")
+	(zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "")))]
+  ""
+  "")
+
+(define_insn ""
+  [(set (match_operand:SI 0 "register_operand" "=d,d,d")
+	(zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "d,R,m")))]
+  ""
+  "*
+{
+  if (which_alternative == 0)
+    return \"andi\\t%0,%1,0x00ff\";
+  else
+    return iq2000_move_1word (operands, insn, TRUE);
+}"
+  [(set_attr "type"	"arith,load,load")
+   (set_attr "mode"	"SI")
+   (set_attr "length"	"4,4,8")])
+
+;;
+;;  ....................
+;;
+;;	SIGN EXTENSION
+;;
+;;  ....................
+
+;; Extension insns.
+;; Those for integer source operand are ordered widest source type first.
+
+;; These patterns originally accepted general_operands, however, slightly
+;; better code is generated by only accepting register_operands, and then
+;; letting combine generate the lh and lb insns.
+
+(define_expand "extendhisi2"
+  [(set (match_operand:SI 0 "register_operand" "")
+	(sign_extend:SI (match_operand:HI 1 "nonimmediate_operand" "")))]
+  ""
+  "
+{
+  if (optimize && GET_CODE (operands[1]) == MEM)
+    operands[1] = force_not_mem (operands[1]);
+
+  if (GET_CODE (operands[1]) != MEM)
+    {
+      rtx op1   = gen_lowpart (SImode, operands[1]);
+      rtx temp  = gen_reg_rtx (SImode);
+      rtx shift = GEN_INT (16);
+
+      emit_insn (gen_ashlsi3 (temp, op1, shift));
+      emit_insn (gen_ashrsi3 (operands[0], temp, shift));
+      DONE;
+    }
+}")
+
+(define_insn "extendhisi2_internal"
+  [(set (match_operand:SI 0 "register_operand" "=d,d")
+	(sign_extend:SI (match_operand:HI 1 "memory_operand" "R,m")))]
+  ""
+  "* return iq2000_move_1word (operands, insn, FALSE);"
+  [(set_attr "type"	"load")
+   (set_attr "mode"	"SI")
+   (set_attr "length"	"4,8")])
+
+(define_expand "extendqihi2"
+  [(set (match_operand:HI 0 "register_operand" "")
+	(sign_extend:HI (match_operand:QI 1 "nonimmediate_operand" "")))]
+  ""
+  "
+{
+  if (optimize && GET_CODE (operands[1]) == MEM)
+    operands[1] = force_not_mem (operands[1]);
+
+  if (GET_CODE (operands[1]) != MEM)
+    {
+      rtx op0   = gen_lowpart (SImode, operands[0]);
+      rtx op1   = gen_lowpart (SImode, operands[1]);
+      rtx temp  = gen_reg_rtx (SImode);
+      rtx shift = GEN_INT (24);
+
+      emit_insn (gen_ashlsi3 (temp, op1, shift));
+      emit_insn (gen_ashrsi3 (op0, temp, shift));
+      DONE;
+    }
+}")
+
+(define_insn "extendqihi2_internal"
+  [(set (match_operand:HI 0 "register_operand" "=d,d")
+	(sign_extend:HI (match_operand:QI 1 "memory_operand" "R,m")))]
+  ""
+  "* return iq2000_move_1word (operands, insn, FALSE);"
+  [(set_attr "type"	"load")
+   (set_attr "mode"	"SI")
+   (set_attr "length"	"4,8")])
+
+
+(define_expand "extendqisi2"
+  [(set (match_operand:SI 0 "register_operand" "")
+	(sign_extend:SI (match_operand:QI 1 "nonimmediate_operand" "")))]
+  ""
+  "
+{
+  if (optimize && GET_CODE (operands[1]) == MEM)
+    operands[1] = force_not_mem (operands[1]);
+
+  if (GET_CODE (operands[1]) != MEM)
+    {
+      rtx op1   = gen_lowpart (SImode, operands[1]);
+      rtx temp  = gen_reg_rtx (SImode);
+      rtx shift = GEN_INT (24);
+
+      emit_insn (gen_ashlsi3 (temp, op1, shift));
+      emit_insn (gen_ashrsi3 (operands[0], temp, shift));
+      DONE;
+    }
+}")
+
+(define_insn "extendqisi2_insn"
+  [(set (match_operand:SI 0 "register_operand" "=d,d")
+	(sign_extend:SI (match_operand:QI 1 "memory_operand" "R,m")))]
+  ""
+  "* return iq2000_move_1word (operands, insn, FALSE);"
+  [(set_attr "type"	"load")
+   (set_attr "mode"	"SI")
+   (set_attr "length"	"4,8")])
+
+;;
+;;  ........................
+;;
+;;      BIT FIELD EXTRACTION
+;;
+;;  ........................
+
+(define_insn "extzv"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+        (zero_extract:SI (match_operand:SI 1 "register_operand" "r")
+                         (match_operand:SI 2 "const_int_operand" "O")
+                         (match_operand:SI 3 "const_int_operand" "O")))]
+  ""
+  "*
+{
+  int value[4];
+  value[2] = INTVAL (operands[2]);
+  value[3] = INTVAL (operands[3]);
+  operands[2] = GEN_INT ((value[3]));
+  operands[3] = GEN_INT ((32 - value[2]));
+  return \"ram\\t%0,%1,%2,%3,0x0\";  
+}"
+  [(set_attr "type" "arith")])
+
+;;
+;;  ....................
+;;
+;;	DATA MOVEMENT
+;;
+;;  ....................
+
+/* Take care of constants that don't fit in single instruction */
+(define_split
+  [(set (match_operand:SI 0 "register_operand" "")
+        (match_operand:SI 1 "general_operand" ""))]
+  "(reload_in_progress || reload_completed)
+   && large_int (operands[1], SImode)"
+
+  [(set (match_dup 0 )
+        (high:SI (match_dup 1)))
+   (set (match_dup 0 )
+        (lo_sum:SI (match_dup 0)
+                   (match_dup 1)))]
+)
+
+;; ??? iq2000_move_1word has support for HIGH, so this pattern may be
+;; unnecessary.
+
+(define_insn "high"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(high:SI (match_operand:SI 1 "immediate_operand" "")))]
+  ""
+  "lui\\t%0,%%hi(%1) # high"
+  [(set_attr "type"	"move")])
+
+(define_insn "low"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(lo_sum:SI (match_operand:SI 1 "register_operand" "r")
+		   (match_operand:SI 2 "immediate_operand" "")))]
+  ""
+  "addiu\\t%0,%1,%%lo(%2) # low"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+;; 32-bit Integer moves
+
+(define_split
+  [(set (match_operand:SI 0 "register_operand" "")
+	(match_operand:SI 1 "large_int" ""))]
+  "reload_in_progress | reload_completed"
+  [(set (match_dup 0)
+	(match_dup 2))
+   (set (match_dup 0)
+     	(ior:SI (match_dup 0)
+		(match_dup 3)))]
+  "
+{
+  operands[2] = GEN_INT (trunc_int_for_mode (INTVAL (operands[1])
+					     & BITMASK_UPPER16,
+					     SImode));
+  operands[3] = GEN_INT (INTVAL (operands[1]) & BITMASK_LOWER16);
+}")
+
+;; Unlike most other insns, the move insns can't be split with
+;; different predicates, because register spilling and other parts of
+;; the compiler, have memoized the insn number already.
+
+(define_expand "movsi"
+  [(set (match_operand:SI 0 "nonimmediate_operand" "")
+	(match_operand:SI 1 "general_operand" ""))]
+  ""
+  "
+{
+  if (iq2000_check_split (operands[1], SImode))
+    {
+      enum machine_mode mode = GET_MODE (operands[0]);
+      rtx tem = ((reload_in_progress | reload_completed)
+		 ? operands[0] : gen_reg_rtx (mode));
+
+      emit_insn (gen_rtx_SET (VOIDmode, tem,
+			      gen_rtx_HIGH (mode, operands[1])));
+
+      operands[1] = gen_rtx_LO_SUM (mode, tem, operands[1]);
+    }
+
+  if ((reload_in_progress | reload_completed) == 0
+      && !register_operand (operands[0], SImode)
+      && !register_operand (operands[1], SImode)
+      && (GET_CODE (operands[1]) != CONST_INT
+	  || INTVAL (operands[1]) != 0))
+    {
+      rtx temp = force_reg (SImode, operands[1]);
+      emit_move_insn (operands[0], temp);
+      DONE;
+    }
+
+  /* Take care of constants that don't fit in single instruction */
+  if ((reload_in_progress || reload_completed)
+      && CONSTANT_P (operands[1])
+      && GET_CODE (operands[1]) != HIGH
+      && GET_CODE (operands[1]) != LO_SUM
+      && ! SMALL_INT_UNSIGNED (operands[1]))
+    {
+      rtx tem = ((reload_in_progress | reload_completed)
+		 ? operands[0] : gen_reg_rtx (SImode));
+
+      emit_insn (gen_rtx_SET (VOIDmode, tem,
+			      gen_rtx_HIGH (SImode, operands[1])));
+      operands[1] = gen_rtx_LO_SUM (SImode, tem, operands[1]);
+    }
+}")
+
+;; The difference between these two is whether or not ints are allowed
+;; in FP registers (off by default, use -mdebugh to enable).
+
+(define_insn "movsi_internal2"
+  [(set (match_operand:SI 0 "nonimmediate_operand" "=d,d,d,d,d,d,R,m,*d,*z,*x,*d,*x,*d")
+	(match_operand:SI 1 "move_operand" "d,S,IKL,Mnis,R,m,dJ,dJ,*z,*d,J,*x,*d,*a"))]
+  "(register_operand (operands[0], SImode)
+       || register_operand (operands[1], SImode)
+       || (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0))"
+  "* return iq2000_move_1word (operands, insn, FALSE);"
+  [(set_attr "type"	"move,load,arith,arith,load,load,store,store,xfer,xfer,move,move,move,move")
+   (set_attr "mode"	"SI")
+   (set_attr "length"	"4,8,4,8,4,8,4,8,4,4,4,4,4,4")])
+
+;; 16-bit Integer moves
+
+;; Unlike most other insns, the move insns can't be split with
+;; different predicates, because register spilling and other parts of
+;; the compiler, have memoized the insn number already.
+;; Unsigned loads are used because BYTE_LOADS_ZERO_EXTEND is defined
+
+(define_expand "movhi"
+  [(set (match_operand:HI 0 "nonimmediate_operand" "")
+	(match_operand:HI 1 "general_operand" ""))]
+  ""
+  "
+{
+  if ((reload_in_progress | reload_completed) == 0
+      && !register_operand (operands[0], HImode)
+      && !register_operand (operands[1], HImode)
+      && ((GET_CODE (operands[1]) != CONST_INT
+	  || INTVAL (operands[1]) != 0)))
+    {
+      rtx temp = force_reg (HImode, operands[1]);
+      emit_move_insn (operands[0], temp);
+      DONE;
+    }
+}")
+
+;; The difference between these two is whether or not ints are allowed
+;; in FP registers (off by default, use -mdebugh to enable).
+
+(define_insn "movhi_internal2"
+  [(set (match_operand:HI 0 "nonimmediate_operand" "=d,d,d,d,R,m,*d,*z,*x,*d")
+	(match_operand:HI 1 "general_operand"       "d,IK,R,m,dJ,dJ,*z,*d,*d,*x"))]
+  "(register_operand (operands[0], HImode)
+       || register_operand (operands[1], HImode)
+       || (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0))"
+  "* return iq2000_move_1word (operands, insn, TRUE);"
+  [(set_attr "type"	"move,arith,load,load,store,store,xfer,xfer,move,move")
+   (set_attr "mode"	"HI")
+   (set_attr "length"	"4,4,4,8,4,8,4,4,4,4")])
+
+;; 8-bit Integer moves
+
+;; Unlike most other insns, the move insns can't be split with
+;; different predicates, because register spilling and other parts of
+;; the compiler, have memoized the insn number already.
+;; Unsigned loads are used because BYTE_LOADS_ZERO_EXTEND is defined
+
+(define_expand "movqi"
+  [(set (match_operand:QI 0 "nonimmediate_operand" "")
+	(match_operand:QI 1 "general_operand" ""))]
+  ""
+  "
+{
+  if ((reload_in_progress | reload_completed) == 0
+      && !register_operand (operands[0], QImode)
+      && !register_operand (operands[1], QImode)
+      && (GET_CODE (operands[1]) != CONST_INT
+          || INTVAL (operands[1]) != 0))
+    {
+      rtx temp = force_reg (QImode, operands[1]);
+      emit_move_insn (operands[0], temp);
+      DONE;
+    }
+}")
+
+;; The difference between these two is whether or not ints are allowed
+;; in FP registers (off by default, use -mdebugh to enable).
+
+(define_insn "movqi_internal2"
+  [(set (match_operand:QI 0 "nonimmediate_operand" "=d,d,d,d,R,m,*d,*z,*x,*d")
+	(match_operand:QI 1 "general_operand"       "d,IK,R,m,dJ,dJ,*z,*d,*d,*x"))]
+  "(register_operand (operands[0], QImode)
+       || register_operand (operands[1], QImode)
+       || (GET_CODE (operands[1]) == CONST_INT && INTVAL (operands[1]) == 0))"
+  "* return iq2000_move_1word (operands, insn, TRUE);"
+  [(set_attr "type"	"move,arith,load,load,store,store,xfer,xfer,move,move")
+   (set_attr "mode"	"QI")
+   (set_attr "length"	"4,4,4,8,4,8,4,4,4,4")])
+
+;; 32-bit floating point moves
+
+(define_expand "movsf"
+  [(set (match_operand:SF 0 "general_operand" "")
+        (match_operand:SF 1 "general_operand" ""))]
+  ""
+  "
+{
+  if (!reload_in_progress
+      && !reload_completed
+      && GET_CODE (operands[0]) == MEM
+      && (GET_CODE (operands[1]) == MEM
+         || GET_CODE (operands[1]) == CONST_DOUBLE))
+    operands[1] = copy_to_mode_reg (SFmode, operands[1]);
+
+  /* Take care of reg <- SF constant */
+  if ( const_double_operand (operands[1], GET_MODE (operands[1]) ) )
+    {
+      emit_insn (gen_movsf_high (operands[0], operands[1]));
+      emit_insn (gen_movsf_lo_sum (operands[0], operands[0], operands[1]));
+      DONE;
+    }
+}")
+
+(define_insn "movsf_lo_sum"
+  [(set (match_operand:SF 0 "register_operand" "=r")
+        (lo_sum:SF (match_operand:SF 1 "register_operand" "r")
+                   (match_operand:SF 2 "const_double_operand" "")))]
+  ""
+  "*
+{
+  REAL_VALUE_TYPE r;
+  long i;
+
+  REAL_VALUE_FROM_CONST_DOUBLE (r, operands[2]);
+  REAL_VALUE_TO_TARGET_SINGLE (r, i);
+  operands[2] = GEN_INT (i);
+  return \"addiu\\t%0,%1,%%lo(%2) # low\";
+}"
+  [(set_attr "length" "4")
+   (set_attr "type" "arith")])
+
+(define_insn "movsf_high"
+  [(set (match_operand:SF 0 "register_operand" "=r")
+        (high:SF (match_operand:SF 1 "const_double_operand" "")))]
+  ""
+  "*
+{
+  REAL_VALUE_TYPE r;
+  long i;
+
+  REAL_VALUE_FROM_CONST_DOUBLE (r, operands[1]);
+  REAL_VALUE_TO_TARGET_SINGLE (r, i);
+  operands[1] = GEN_INT (i);
+  return \"lui\\t%0,%%hi(%1) # high\";
+}"
+  [(set_attr "length" "4")
+   (set_attr "type" "arith")])
+
+(define_insn "*movsf_internal"
+  [(set (match_operand:SF 0 "nonimmediate_operand" "=r,r,m")
+        (match_operand:SF 1 "nonimmediate_operand" "r,m,r"))]
+  "!memory_operand (operands[0], SFmode) || !memory_operand (operands[1], SFmode)"
+  "*
+{
+  iq2000_fill_delay_slot (\"\", DELAY_LOAD, operands, insn);  
+  if (which_alternative == 0)
+    return \"or\\t%0,%1,%1\";
+  else if (which_alternative == 1)
+    return \"lw\\t%0,%1\";
+  else if (which_alternative == 2)
+    return \"sw\\t%1,%0\";
+}"
+  [(set_attr "length" "4,4,4")
+   (set_attr "type" "arith,load,store")]
+)
+
+;;
+;;  ....................
+;;
+;;	SHIFTS
+;;
+;;  ....................
+
+(define_expand "ashlsi3"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+        (ashift:SI (match_operand:SI 1 "register_operand" "d")
+                   (match_operand:SI 2 "arith_operand" "dI")))]
+  ""
+  "")
+
+(define_insn "ashlsi3_internal1"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(ashift:SI (match_operand:SI 1 "register_operand" "d")
+		   (match_operand:SI 2 "arith_operand" "dI")))]
+  ""
+  "*
+{
+  if (GET_CODE (operands[2]) == CONST_INT)
+    {
+      operands[2] = GEN_INT (INTVAL (operands[2]) & 0x1f);
+      return \"sll\\t%0,%1,%2\";
+    }
+  else
+    return \"sllv\\t%0,%1,%2\";
+}"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+(define_expand "ashrsi3"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(ashiftrt:SI (match_operand:SI 1 "register_operand" "d")
+		     (match_operand:SI 2 "arith_operand" "dI")))]
+  ""
+  "")
+
+(define_insn "ashrsi3_internal1"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(ashiftrt:SI (match_operand:SI 1 "register_operand" "d")
+		     (match_operand:SI 2 "arith_operand" "dI")))]
+  ""
+  "*
+{
+  if (GET_CODE (operands[2]) == CONST_INT)
+    {
+      operands[2] = GEN_INT (INTVAL (operands[2]) & 0x1f);
+      return \"sra\\t%0,%1,%2\";
+    }
+  else
+    return \"srav\\t%0,%1,%2\";
+}"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+(define_expand "lshrsi3"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(lshiftrt:SI (match_operand:SI 1 "register_operand" "d")
+		     (match_operand:SI 2 "arith_operand" "dI")))]
+  ""
+  "")
+
+(define_insn "lshrsi3_internal1"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(lshiftrt:SI (match_operand:SI 1 "register_operand" "d")
+		     (match_operand:SI 2 "arith_operand" "dI")))]
+  ""
+  "*
+{
+  if (GET_CODE (operands[2]) == CONST_INT)
+    {
+      operands[2] = GEN_INT (INTVAL (operands[2]) & 0x1f);
+      return \"srl\\t%0,%1,%2\";
+    }
+  else
+    return \"srlv\\t%0,%1,%2\";
+}"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+;; Rotate Right
+(define_insn "rotrsi3"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+        (rotatert:SI (match_operand:SI 1 "register_operand" "r")
+                     (match_operand:SI 2 "uns_arith_operand" "O")))]
+  ""
+  "ram %0,%1,%2,0x0,0x0"
+  [(set_attr "type" "arith")])
+
+
+;;
+;;  ....................
+;;
+;;	COMPARISONS
+;;
+;;  ....................
+
+;; Flow here is rather complex:
+;;
+;;  1)	The cmp{si,di,sf,df} routine is called.  It deposits the
+;;	arguments into the branch_cmp array, and the type into
+;;	branch_type.  No RTL is generated.
+;;
+;;  2)	The appropriate branch define_expand is called, which then
+;;	creates the appropriate RTL for the comparison and branch.
+;;	Different CC modes are used, based on what type of branch is
+;;	done, so that we can constrain things appropriately.  There
+;;	are assumptions in the rest of GCC that break if we fold the
+;;	operands into the branches for integer operations, and use cc0
+;;	for floating point, so we use the fp status register instead.
+;;	If needed, an appropriate temporary is created to hold the
+;;	of the integer compare.
+
+(define_expand "cmpsi"
+  [(set (cc0)
+	(compare:CC (match_operand:SI 0 "register_operand" "")
+		    (match_operand:SI 1 "arith_operand" "")))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code message */
+    {
+      branch_cmp[0] = operands[0];
+      branch_cmp[1] = operands[1];
+      branch_type = CMP_SI;
+      DONE;
+    }
+}")
+
+(define_expand "tstsi"
+  [(set (cc0)
+	(match_operand:SI 0 "register_operand" ""))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code message */
+    {
+      branch_cmp[0] = operands[0];
+      branch_cmp[1] = const0_rtx;
+      branch_type = CMP_SI;
+      DONE;
+    }
+}")
+
+;;
+;;  ....................
+;;
+;;	CONDITIONAL BRANCHES
+;;
+;;  ....................
+
+;; Conditional branches on comparisons with zero.
+
+(define_insn "branch_zero"
+  [(set (pc)
+	(if_then_else
+         (match_operator:SI 0 "cmp_op"
+			    [(match_operand:SI 2 "register_operand" "d")
+			     (const_int 0)])
+        (label_ref (match_operand 1 "" ""))
+        (pc)))]
+  ""
+  "*
+{
+  return iq2000_output_conditional_branch (insn,
+					 operands,
+					 /*two_operands_p=*/0,
+					 /*float_p=*/0,
+					 /*inverted_p=*/0,
+					 get_attr_length (insn));
+}"
+  [(set_attr "type"	"branch")
+   (set_attr "mode"	"none")])
+
+(define_insn "branch_zero_inverted"
+  [(set (pc)
+	(if_then_else
+         (match_operator:SI 0 "cmp_op"
+		            [(match_operand:SI 2 "register_operand" "d")
+			     (const_int 0)])
+        (pc)
+        (label_ref (match_operand 1 "" ""))))]
+  ""
+  "*
+{
+  return iq2000_output_conditional_branch (insn,
+					 operands,
+					 /*two_operands_p=*/0,
+					 /*float_p=*/0,
+					 /*inverted_p=*/1,
+					 get_attr_length (insn));
+}"
+  [(set_attr "type"	"branch")
+   (set_attr "mode"	"none")])
+
+;; Conditional branch on equality comparison.
+
+(define_insn "branch_equality"
+  [(set (pc)
+	(if_then_else
+         (match_operator:SI 0 "equality_op"
+		   	    [(match_operand:SI 2 "register_operand" "d")
+			     (match_operand:SI 3 "register_operand" "d")])
+         (label_ref (match_operand 1 "" ""))
+         (pc)))]
+  ""
+  "*
+{
+  return iq2000_output_conditional_branch (insn,
+					 operands,
+					 /*two_operands_p=*/1,
+					 /*float_p=*/0,
+					 /*inverted_p=*/0,
+					 get_attr_length (insn));
+}"
+  [(set_attr "type"	"branch")
+   (set_attr "mode"	"none")])
+
+(define_insn "branch_equality_inverted"
+  [(set (pc)
+	(if_then_else
+         (match_operator:SI 0 "equality_op"
+		   	    [(match_operand:SI 2 "register_operand" "d")
+			     (match_operand:SI 3 "register_operand" "d")])
+         (pc)
+         (label_ref (match_operand 1 "" ""))))]
+  ""
+  "*
+{
+  return iq2000_output_conditional_branch (insn,
+					 operands,
+					 /*two_operands_p=*/1,
+					 /*float_p=*/0,
+					 /*inverted_p=*/1,
+					 get_attr_length (insn));
+}"
+  [(set_attr "type"	"branch")
+   (set_attr "mode"	"none")])
+
+(define_expand "beq"
+  [(set (pc)
+	(if_then_else (eq:CC (cc0)
+			     (const_int 0))
+		      (label_ref (match_operand 0 "" ""))
+		      (pc)))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code warning */
+    {
+      gen_conditional_branch (operands, EQ);
+      DONE;
+    }
+}")
+
+(define_expand "bne"
+  [(set (pc)
+	(if_then_else (ne:CC (cc0)
+			     (const_int 0))
+		      (label_ref (match_operand 0 "" ""))
+		      (pc)))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code warning */
+    {
+      gen_conditional_branch (operands, NE);
+      DONE;
+    }
+}")
+
+(define_expand "bgt"
+  [(set (pc)
+	(if_then_else (gt:CC (cc0)
+			     (const_int 0))
+		      (label_ref (match_operand 0 "" ""))
+		      (pc)))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code warning */
+    {
+      gen_conditional_branch (operands, GT);
+      DONE;
+    }
+}")
+
+(define_expand "bge"
+  [(set (pc)
+	(if_then_else (ge:CC (cc0)
+			     (const_int 0))
+		      (label_ref (match_operand 0 "" ""))
+		      (pc)))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code warning */
+    {
+      gen_conditional_branch (operands, GE);
+      DONE;
+    }
+}")
+
+(define_expand "blt"
+  [(set (pc)
+	(if_then_else (lt:CC (cc0)
+			     (const_int 0))
+		      (label_ref (match_operand 0 "" ""))
+		      (pc)))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code warning */
+    {
+      gen_conditional_branch (operands, LT);
+      DONE;
+    }
+}")
+
+(define_expand "ble"
+  [(set (pc)
+	(if_then_else (le:CC (cc0)
+			     (const_int 0))
+		      (label_ref (match_operand 0 "" ""))
+		      (pc)))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code warning */
+    {
+      gen_conditional_branch (operands, LE);
+      DONE;
+    }
+}")
+
+(define_expand "bgtu"
+  [(set (pc)
+	(if_then_else (gtu:CC (cc0)
+			      (const_int 0))
+		      (label_ref (match_operand 0 "" ""))
+		      (pc)))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code warning */
+    {
+      gen_conditional_branch (operands, GTU);
+      DONE;
+    }
+}")
+
+(define_expand "bgeu"
+  [(set (pc)
+	(if_then_else (geu:CC (cc0)
+			      (const_int 0))
+		      (label_ref (match_operand 0 "" ""))
+		      (pc)))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code warning */
+    {
+      gen_conditional_branch (operands, GEU);
+      DONE;
+    }
+}")
+
+
+(define_expand "bltu"
+  [(set (pc)
+	(if_then_else (ltu:CC (cc0)
+			      (const_int 0))
+		      (label_ref (match_operand 0 "" ""))
+		      (pc)))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code warning */
+    {
+      gen_conditional_branch (operands, LTU);
+      DONE;
+    }
+}")
+
+(define_expand "bleu"
+  [(set (pc)
+	(if_then_else (leu:CC (cc0)
+			      (const_int 0))
+		      (label_ref (match_operand 0 "" ""))
+		      (pc)))]
+  ""
+  "
+{
+  if (operands[0])		/* avoid unused code warning */
+    {
+      gen_conditional_branch (operands, LEU);
+      DONE;
+    }
+}")
+
+;; Recognize bbi and bbin instructions.  These use two unusual template
+;; patterns, %Ax and %Px.  %Ax outputs an 'i' if operand `x' is a LABEL_REF
+;; otherwise it outputs an 'in'.  %Px does nothing if `x' is PC 
+;; and outputs the operand if `x' is a LABEL_REF.
+
+(define_insn ""
+  [(set (pc)
+	(if_then_else
+	 (ne (sign_extract:SI (match_operand:SI 0 "register_operand" "r")
+			      (const_int 1)
+			      (match_operand:SI 1 "arith_operand" "I"))
+	     (const_int 0))
+	 (match_operand 2 "pc_or_label_operand" "")
+	 (match_operand 3 "pc_or_label_operand" "")))]
+  ""
+  "bb%A2\\t%0(31-%1),%P2%P3"
+  [(set_attr "length" "4")
+   (set_attr "type" "branch")])
+
+(define_insn ""
+  [(set (pc)
+	(if_then_else
+	 (eq (sign_extract:SI (match_operand:SI 0 "register_operand" "r")
+			      (const_int 1)
+			      (match_operand:SI 1 "arith_operand" "I"))
+	     (const_int 0))
+	 (match_operand 2 "pc_or_label_operand" "")
+	 (match_operand 3 "pc_or_label_operand" "")))]
+  ""
+  "bb%A3\\t%0(31-%1),%P2%P3"
+  [(set_attr "length" "4")
+   (set_attr "type" "branch")])
+
+(define_insn ""
+  [(set (pc)
+	(if_then_else
+	 (ne (zero_extract:SI (match_operand:SI 0 "register_operand" "r")
+			      (const_int 1)
+			      (match_operand:SI 1 "arith_operand" "I"))
+	     (const_int 0))
+	 (match_operand 2 "pc_or_label_operand" "")
+	 (match_operand 3 "pc_or_label_operand" "")))]
+  ""
+  "bb%A2\\t%0(31-%1),%P2%P3"
+  [(set_attr "length" "4")
+   (set_attr "type" "branch")])
+
+(define_insn ""
+  [(set (pc)
+	(if_then_else
+	 (eq (zero_extract:SI (match_operand:SI 0 "register_operand" "r")
+			      (const_int 1)
+			      (match_operand:SI 1 "arith_operand" "I"))
+	     (const_int 0))
+	 (match_operand 2 "pc_or_label_operand" "")
+	 (match_operand 3 "pc_or_label_operand" "")))]
+  ""
+  "bb%A3\\t%0(31-%1),%P2%P3"
+  [(set_attr "length" "4")
+   (set_attr "type" "branch")])
+
+(define_insn ""
+  [(set (pc)
+	(if_then_else
+	 (eq (and:SI (match_operand:SI 0 "register_operand" "r")
+		     (match_operand:SI 1 "power_of_2_operand" "I"))
+	      (const_int 0))
+	 (match_operand 2 "pc_or_label_operand" "")
+	 (match_operand 3 "pc_or_label_operand" "")))]
+  ""
+  "bb%A3\\t%0(%p1),%P2%P3"
+  [(set_attr "length" "4")
+   (set_attr "type" "branch")])
+
+(define_insn ""
+  [(set (pc)
+	(if_then_else
+	 (ne (and:SI (match_operand:SI 0 "register_operand" "r")
+		     (match_operand:SI 1 "power_of_2_operand" "I"))
+	     (const_int 0))
+	 (match_operand 2 "pc_or_label_operand" "")
+	 (match_operand 3 "pc_or_label_operand" "")))]
+  ""
+  "bb%A2\\t%0(%p1),%P2%P3"
+  [(set_attr "length" "4")
+   (set_attr "type" "branch")])
+
+;;
+;;  ....................
+;;
+;;	SETTING A REGISTER FROM A COMPARISON
+;;
+;;  ....................
+
+(define_expand "seq"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(eq:SI (match_dup 1)
+	       (match_dup 2)))]
+  ""
+  "
+{
+  if (branch_type != CMP_SI && (branch_type != CMP_DI))
+    FAIL;
+
+  /* Set up operands from compare.  */
+  operands[1] = branch_cmp[0];
+  operands[2] = branch_cmp[1];
+
+  gen_int_relational (EQ, operands[0], operands[1], operands[2], (int *)0);
+  DONE;
+}")
+
+
+(define_insn "seq_si_zero"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(eq:SI (match_operand:SI 1 "register_operand" "d")
+	       (const_int 0)))]
+  ""
+  "sltiu\\t%0,%1,1"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+(define_expand "sne"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(ne:SI (match_dup 1)
+	       (match_dup 2)))]
+  ""
+  "
+{
+  if (branch_type != CMP_SI && (branch_type != CMP_DI))
+    FAIL;
+
+  /* Set up operands from compare.  */
+  operands[1] = branch_cmp[0];
+  operands[2] = branch_cmp[1];
+
+  gen_int_relational (NE, operands[0], operands[1], operands[2], (int *)0);
+  DONE;
+}")
+
+(define_insn "sne_si_zero"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(ne:SI (match_operand:SI 1 "register_operand" "d")
+	       (const_int 0)))]
+  ""
+  "sltu\\t%0,%.,%1"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+(define_expand "sgt"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(gt:SI (match_dup 1)
+	       (match_dup 2)))]
+  ""
+  "
+{
+  if (branch_type != CMP_SI && (branch_type != CMP_DI))
+    FAIL;
+
+  /* Set up operands from compare.  */
+  operands[1] = branch_cmp[0];
+  operands[2] = branch_cmp[1];
+
+  gen_int_relational (GT, operands[0], operands[1], operands[2], (int *)0);
+  DONE;
+}")
+
+(define_insn "sgt_si"
+  [(set (match_operand:SI 0 "register_operand" "=d,=d")
+	(gt:SI (match_operand:SI 1 "register_operand" "d,d")
+	       (match_operand:SI 2 "reg_or_0_operand" "d,J")))]
+  ""
+  "@
+   slt\\t%0,%z2,%1
+   slt\\t%0,%z2,%1"
+  [(set_attr "type"	"arith,arith")
+   (set_attr "mode"	"SI,SI")])
+
+(define_expand "sge"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(ge:SI (match_dup 1)
+	       (match_dup 2)))]
+  ""
+  "
+{
+  if (branch_type != CMP_SI && (branch_type != CMP_DI))
+    FAIL;
+
+  /* Set up operands from compare.  */
+  operands[1] = branch_cmp[0];
+  operands[2] = branch_cmp[1];
+
+  gen_int_relational (GE, operands[0], operands[1], operands[2], (int *)0);
+  DONE;
+}")
+
+(define_expand "slt"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(lt:SI (match_dup 1)
+	       (match_dup 2)))]
+  ""
+  "
+{
+  if (branch_type != CMP_SI && (branch_type != CMP_DI))
+    FAIL;
+
+  /* Set up operands from compare.  */
+  operands[1] = branch_cmp[0];
+  operands[2] = branch_cmp[1];
+
+  gen_int_relational (LT, operands[0], operands[1], operands[2], (int *)0);
+  DONE;
+}")
+
+(define_insn "slt_si"
+  [(set (match_operand:SI 0 "register_operand" "=d,=d")
+	(lt:SI (match_operand:SI 1 "register_operand" "d,d")
+	       (match_operand:SI 2 "arith_operand" "d,I")))]
+  ""
+  "@
+   slt\\t%0,%1,%2
+   slti\\t%0,%1,%2"
+  [(set_attr "type"	"arith,arith")
+   (set_attr "mode"	"SI,SI")])
+
+(define_expand "sle"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(le:SI (match_dup 1)
+	       (match_dup 2)))]
+  ""
+  "
+{
+  if (branch_type != CMP_SI && (branch_type != CMP_DI))
+    FAIL;
+
+  /* Set up operands from compare.  */
+  operands[1] = branch_cmp[0];
+  operands[2] = branch_cmp[1];
+
+  gen_int_relational (LE, operands[0], operands[1], operands[2], (int *)0);
+  DONE;
+}")
+
+(define_insn "sle_si_const"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(le:SI (match_operand:SI 1 "register_operand" "d")
+	       (match_operand:SI 2 "small_int" "I")))]
+  "INTVAL (operands[2]) < 32767"
+  "*
+{
+  operands[2] = GEN_INT (INTVAL (operands[2])+1);
+  return \"slti\\t%0,%1,%2\";
+}"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+(define_expand "sgtu"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(gtu:SI (match_dup 1)
+		(match_dup 2)))]
+  ""
+  "
+{
+  if (branch_type != CMP_SI && (branch_type != CMP_DI))
+    FAIL;
+
+  /* Set up operands from compare.  */
+  operands[1] = branch_cmp[0];
+  operands[2] = branch_cmp[1];
+
+  gen_int_relational (GTU, operands[0], operands[1], operands[2], (int *)0);
+  DONE;
+}")
+
+(define_insn "sgtu_si"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(gtu:SI (match_operand:SI 1 "register_operand" "d")
+		(match_operand:SI 2 "reg_or_0_operand" "dJ")))]
+  ""
+  "sltu\\t%0,%z2,%1"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+(define_insn ""
+  [(set (match_operand:SI 0 "register_operand" "=t")
+	(gtu:SI (match_operand:SI 1 "register_operand" "d")
+		(match_operand:SI 2 "register_operand" "d")))]
+  ""
+  "sltu\\t%2,%1"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+(define_expand "sgeu"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+        (geu:SI (match_dup 1)
+                (match_dup 2)))]
+  ""
+  "
+{
+  if (branch_type != CMP_SI && (branch_type != CMP_DI))
+    FAIL;
+
+  /* Set up operands from compare.  */
+  operands[1] = branch_cmp[0];
+  operands[2] = branch_cmp[1];
+
+  gen_int_relational (GEU, operands[0], operands[1], operands[2], (int *)0);
+  DONE;
+}")
+
+(define_expand "sltu"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(ltu:SI (match_dup 1)
+		(match_dup 2)))]
+  ""
+  "
+{
+  if (branch_type != CMP_SI && (branch_type != CMP_DI))
+    FAIL;
+
+  /* Set up operands from compare.  */
+  operands[1] = branch_cmp[0];
+  operands[2] = branch_cmp[1];
+
+  gen_int_relational (LTU, operands[0], operands[1], operands[2], (int *)0);
+  DONE;
+}")
+
+(define_insn "sltu_si"
+  [(set (match_operand:SI 0 "register_operand" "=d,=d")
+	(ltu:SI (match_operand:SI 1 "register_operand" "d,d")
+		(match_operand:SI 2 "arith_operand" "d,I")))]
+  ""
+  "@
+   sltu\\t%0,%1,%2
+   sltiu\\t%0,%1,%2"
+  [(set_attr "type"	"arith,arith")
+   (set_attr "mode"	"SI,SI")])
+
+(define_expand "sleu"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(leu:SI (match_dup 1)
+		(match_dup 2)))]
+  ""
+  "
+{
+  if (branch_type != CMP_SI && (branch_type != CMP_DI))
+    FAIL;
+
+  /* Set up operands from compare.  */
+  operands[1] = branch_cmp[0];
+  operands[2] = branch_cmp[1];
+
+  gen_int_relational (LEU, operands[0], operands[1], operands[2], (int *)0);
+  DONE;
+}")
+
+(define_insn "sleu_si_const"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+	(leu:SI (match_operand:SI 1 "register_operand" "d")
+		(match_operand:SI 2 "small_int" "I")))]
+  "INTVAL (operands[2]) < 32767"
+  "*
+{
+  operands[2] = GEN_INT (INTVAL (operands[2]) + 1);
+  return \"sltiu\\t%0,%1,%2\";
+}"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")])
+
+
+;;
+;;  ....................
+;;
+;;	UNCONDITIONAL BRANCHES
+;;
+;;  ....................
+
+;; Unconditional branches.
+
+(define_insn "jump"
+  [(set (pc)
+	(label_ref (match_operand 0 "" "")))]
+  ""
+  "*
+{
+  if (GET_CODE (operands[0]) == REG)
+    return \"j\\t%0\";
+  return \"j\\t%l0\";
+  /* return \"b\\t%l0\";*/
+}"
+  [(set_attr "type"	"jump")
+   (set_attr "mode"	"none")])
+
+(define_expand "indirect_jump"
+  [(set (pc) (match_operand 0 "register_operand" "d"))]
+  ""
+  "
+{
+  rtx dest;
+
+  if (operands[0])		/* eliminate unused code warnings */
+    {
+      dest = operands[0];
+      if (GET_CODE (dest) != REG || GET_MODE (dest) != Pmode)
+	operands[0] = copy_to_mode_reg (Pmode, dest);
+
+      if (!(Pmode == DImode))
+	emit_jump_insn (gen_indirect_jump_internal1 (operands[0]));
+      else
+	emit_jump_insn (gen_indirect_jump_internal2 (operands[0]));
+
+      DONE;
+    }
+}")
+
+(define_insn "indirect_jump_internal1"
+  [(set (pc) (match_operand:SI 0 "register_operand" "d"))]
+  "!(Pmode == DImode)"
+  "j\\t%0"
+  [(set_attr "type"	"jump")
+   (set_attr "mode"	"none")])
+
+(define_expand "tablejump"
+  [(set (pc)
+	(match_operand 0 "register_operand" "d"))
+   (use (label_ref (match_operand 1 "" "")))]
+  ""
+  "
+{
+  if (operands[0])		/* eliminate unused code warnings */
+    {
+      gcc_assert (GET_MODE (operands[0]) == Pmode);
+
+      if (!(Pmode == DImode))
+	emit_jump_insn (gen_tablejump_internal1 (operands[0], operands[1]));
+      else
+	emit_jump_insn (gen_tablejump_internal2 (operands[0], operands[1]));
+
+      DONE;
+    }
+}")
+
+(define_insn "tablejump_internal1"
+  [(set (pc)
+	(match_operand:SI 0 "register_operand" "d"))
+   (use (label_ref (match_operand 1 "" "")))]
+  "!(Pmode == DImode)"
+  "j\\t%0"
+  [(set_attr "type"	"jump")
+   (set_attr "mode"	"none")])
+
+(define_expand "tablejump_internal3"
+  [(parallel [(set (pc)
+		   (plus:SI (match_operand:SI 0 "register_operand" "d")
+			    (label_ref:SI (match_operand 1 "" ""))))
+	      (use (label_ref:SI (match_dup 1)))])]
+  ""
+  "")
+
+;;; Make sure that this only matches the insn before ADDR_DIFF_VEC.  Otherwise
+;;; it is not valid.  ??? With the USE, the condition tests may not be required
+;;; any longer.
+
+;;; ??? The length depends on the ABI.  It is two for o32, and one for n32.
+;;; We just use the conservative number here.
+
+(define_insn ""
+  [(set (pc)
+	(plus:SI (match_operand:SI 0 "register_operand" "d")
+		 (label_ref:SI (match_operand 1 "" ""))))
+   (use (label_ref:SI (match_dup 1)))]
+  "!(Pmode == DImode) && next_active_insn (insn) != 0
+   && GET_CODE (PATTERN (next_active_insn (insn))) == ADDR_DIFF_VEC
+   && PREV_INSN (next_active_insn (insn)) == operands[1]"
+  "*
+{
+  return \"j\\t%0\";
+}"
+  [(set_attr "type"	"jump")
+   (set_attr "mode"	"none")
+   (set_attr "length"	"8")])
+
+;;
+;;  ....................
+;;
+;;	Function prologue/epilogue
+;;
+;;  ....................
+;;
+
+(define_expand "prologue"
+  [(const_int 1)]
+  ""
+  "
+{
+  if (iq2000_isa >= 0)		/* avoid unused code warnings */
+    {
+      iq2000_expand_prologue ();
+      DONE;
+    }
+}")
+
+;; Block any insns from being moved before this point, since the
+;; profiling call to mcount can use various registers that aren't
+;; saved or used to pass arguments.
+
+(define_insn "blockage"
+  [(unspec_volatile [(const_int 0)] 0)]
+  ""
+  ""
+  [(set_attr "type"	"unknown")
+   (set_attr "mode"	"none")
+   (set_attr "length"	"0")])
+
+(define_expand "epilogue"
+  [(const_int 2)]
+  ""
+  "
+{
+  if (iq2000_isa >= 0)            /* avoid unused code warnings */
+    {
+      iq2000_expand_epilogue ();
+      DONE;
+    }
+}")
+
+;; Trivial return.  Make it look like a normal return insn as that
+;; allows jump optimizations to work better .
+(define_insn "return"
+  [(return)]
+  "iq2000_can_use_return_insn ()"
+  "j\\t%%31"
+  [(set_attr "type"	"jump")
+   (set_attr "mode"	"none")])
+
+;; Normal return.
+
+(define_insn "return_internal"
+  [(use (match_operand 0 "pmode_register_operand" ""))
+   (return)]
+  ""
+  "*
+{
+  return \"j\\t%0\";
+}"
+  [(set_attr "type"	"jump")
+   (set_attr "mode"	"none")])
+
+(define_insn "eh_return_internal"
+  [(const_int 4)
+   (return)
+   (use (reg:SI 26))
+   (use (reg:SI 31))]
+  ""
+  "j\\t%%26"
+  [(set_attr "type"	"jump")
+   (set_attr "mode"	"none")])
+
+(define_expand "eh_return"
+  [(use (match_operand:SI 0 "register_operand" "r"))]
+  ""
+  "
+{
+  iq2000_expand_eh_return (operands[0]);
+  DONE;
+}")
+
+
+;;
+;;  ....................
+;;
+;;	FUNCTION CALLS
+;;
+;;  ....................
+
+;; calls.c now passes a third argument, make saber happy
+
+(define_expand "call"
+  [(parallel [(call (match_operand 0 "memory_operand" "m")
+		    (match_operand 1 "" "i"))
+	      (clobber (reg:SI 31))
+	      (use (match_operand 2 "" ""))		;; next_arg_reg
+	      (use (match_operand 3 "" ""))])]		;; struct_value_size_rtx
+  ""
+  "
+{
+  rtx addr;
+
+  if (operands[0])		/* eliminate unused code warnings */
+    {
+      addr = XEXP (operands[0], 0);
+      if ((GET_CODE (addr) != REG && (!CONSTANT_ADDRESS_P (addr)))
+	  || ! call_insn_operand (addr, VOIDmode))
+	XEXP (operands[0], 0) = copy_to_mode_reg (Pmode, addr);
+
+      /* In order to pass small structures by value in registers
+	 compatibly with the IQ2000 compiler, we need to shift the value
+	 into the high part of the register.  Function_arg has encoded
+	 a PARALLEL rtx, holding a vector of adjustments to be made
+	 as the next_arg_reg variable, so we split up the insns,
+	 and emit them separately.  */
+
+      if (operands[2] != (rtx)0 && GET_CODE (operands[2]) == PARALLEL)
+	{
+	  rtvec adjust = XVEC (operands[2], 0);
+	  int num = GET_NUM_ELEM (adjust);
+	  int i;
+
+	  for (i = 0; i < num; i++)
+	    emit_insn (RTVEC_ELT (adjust, i));
+	}
+
+      emit_call_insn (gen_call_internal0 (operands[0], operands[1],
+					  gen_rtx_REG (SImode,
+						       GP_REG_FIRST + 31)));
+      DONE;
+    }
+}")
+
+(define_expand "call_internal0"
+  [(parallel [(call (match_operand 0 "" "")
+		    (match_operand 1 "" ""))
+	      (clobber (match_operand:SI 2 "" ""))])]
+  ""
+  "")
+
+(define_insn "call_internal1"
+  [(call (mem (match_operand 0 "call_insn_operand" "ri"))
+	 (match_operand 1 "" "i"))
+   (clobber (match_operand:SI 2 "register_operand" "=d"))]
+  ""
+  "*
+{
+  register rtx target = operands[0];
+
+  if (GET_CODE (target) == CONST_INT)
+    return \"li\\t%@,%0\\n\\tjalr\\t%2,%@\";
+  else if (CONSTANT_ADDRESS_P (target))
+    return \"jal\\t%0\";
+  else
+    return \"jalr\\t%2,%0\";
+}"
+  [(set_attr "type"	"call")
+   (set_attr "mode"	"none")])
+
+;; calls.c now passes a fourth argument, make saber happy
+
+(define_expand "call_value"
+  [(parallel [(set (match_operand 0 "register_operand" "=df")
+		   (call (match_operand 1 "memory_operand" "m")
+			 (match_operand 2 "" "i")))
+	      (clobber (reg:SI 31))
+	      (use (match_operand 3 "" ""))])]		;; next_arg_reg
+  ""
+  "
+{
+  rtx addr;
+
+  if (operands[0])		/* eliminate unused code warning */
+    {
+      addr = XEXP (operands[1], 0);
+      if ((GET_CODE (addr) != REG && (!CONSTANT_ADDRESS_P (addr)))
+	  || ! call_insn_operand (addr, VOIDmode))
+	XEXP (operands[1], 0) = copy_to_mode_reg (Pmode, addr);
+
+      /* In order to pass small structures by value in registers
+	 compatibly with the IQ2000 compiler, we need to shift the value
+	 into the high part of the register.  Function_arg has encoded
+	 a PARALLEL rtx, holding a vector of adjustments to be made
+	 as the next_arg_reg variable, so we split up the insns,
+	 and emit them separately.  */
+
+      if (operands[3] != (rtx)0 && GET_CODE (operands[3]) == PARALLEL)
+	{
+	  rtvec adjust = XVEC (operands[3], 0);
+	  int num = GET_NUM_ELEM (adjust);
+	  int i;
+
+	  for (i = 0; i < num; i++)
+	    emit_insn (RTVEC_ELT (adjust, i));
+	}
+
+      if (GET_CODE (operands[0]) == PARALLEL && XVECLEN (operands[0], 0) > 1)
+	{
+	  emit_call_insn (gen_call_value_multiple_internal0
+			  (XEXP (XVECEXP (operands[0], 0, 0), 0),
+			   operands[1], operands[2],
+			   XEXP (XVECEXP (operands[0], 0, 1), 0),
+			   gen_rtx_REG (SImode, GP_REG_FIRST + 31)));
+	  DONE;
+	}
+
+      /* We have a call returning a DImode structure in an FP reg.
+	 Strip off the now unnecessary PARALLEL.  */
+      if (GET_CODE (operands[0]) == PARALLEL)
+	operands[0] = XEXP (XVECEXP (operands[0], 0, 0), 0);
+
+      emit_call_insn (gen_call_value_internal0 (operands[0], operands[1], operands[2],
+					        gen_rtx_REG (SImode,
+							     GP_REG_FIRST + 31)));
+
+      DONE;
+    }
+}")
+
+(define_expand "call_value_internal0"
+  [(parallel [(set (match_operand 0 "" "")
+		   (call (match_operand 1 "" "")
+			 (match_operand 2 "" "")))
+	      (clobber (match_operand:SI 3 "" ""))])]
+  ""
+  "")
+
+(define_insn "call_value_internal1"
+  [(set (match_operand 0 "register_operand" "=df")
+        (call (mem (match_operand 1 "call_insn_operand" "ri"))
+              (match_operand 2 "" "i")))
+   (clobber (match_operand:SI 3 "register_operand" "=d"))]
+  ""
+  "*
+{
+  register rtx target = operands[1];
+
+  if (GET_CODE (target) == CONST_INT)
+    return \"li\\t%@,%1\\n\\tjalr\\t%3,%@\";
+  else if (CONSTANT_ADDRESS_P (target))
+    return \"jal\\t%1\";
+  else
+    return \"jalr\\t%3,%1\";
+}"
+  [(set_attr "type"	"call")
+   (set_attr "mode"	"none")])
+
+(define_expand "call_value_multiple_internal0"
+  [(parallel [(set (match_operand 0 "" "")
+		   (call (match_operand 1 "" "")
+			 (match_operand 2 "" "")))
+	      (set (match_operand 3 "" "")
+		   (call (match_dup 1)
+			 (match_dup 2)))
+	      (clobber (match_operand:SI 4 "" ""))])]
+  ""
+  "")
+
+;; ??? May eventually need all 6 versions of the call patterns with multiple
+;; return values.
+
+(define_insn "call_value_multiple_internal1"
+  [(set (match_operand 0 "register_operand" "=df")
+        (call (mem (match_operand 1 "call_insn_operand" "ri"))
+              (match_operand 2 "" "i")))
+   (set (match_operand 3 "register_operand" "=df")
+   	(call (mem (match_dup 1))
+              (match_dup 2)))
+  (clobber (match_operand:SI 4 "register_operand" "=d"))]
+  ""
+  "*
+{
+  register rtx target = operands[1];
+
+  if (GET_CODE (target) == CONST_INT)
+    return \"li\\t%@,%1\\n\\tjalr\\t%4,%@\";
+  else if (CONSTANT_ADDRESS_P (target))
+    return \"jal\\t%1\";
+  else
+    return \"jalr\\t%4,%1\";
+}"
+  [(set_attr "type"	"call")
+   (set_attr "mode"	"none")])
+
+;; Call subroutine returning any type.
+
+(define_expand "untyped_call"
+  [(parallel [(call (match_operand 0 "" "")
+		    (const_int 0))
+	      (match_operand 1 "" "")
+	      (match_operand 2 "" "")])]
+  ""
+  "
+{
+  if (operands[0])		/* silence statement not reached warnings */
+    {
+      int i;
+
+      emit_call_insn (GEN_CALL (operands[0], const0_rtx, NULL, const0_rtx));
+
+      for (i = 0; i < XVECLEN (operands[2], 0); i++)
+	{
+	  rtx set = XVECEXP (operands[2], 0, i);
+	  emit_move_insn (SET_DEST (set), SET_SRC (set));
+	}
+
+      emit_insn (gen_blockage ());
+      DONE;
+    }
+}")
+
+;;
+;;  ....................
+;;
+;;	MISC.
+;;
+;;  ....................
+;;
+
+(define_insn "nop"
+  [(const_int 0)]
+  ""
+  "nop"
+  [(set_attr "type"	"nop")
+   (set_attr "mode"	"none")])
+
+
+;; For the rare case where we need to load an address into a register
+;; that cannot be recognized by the normal movsi/addsi instructions.
+;; I have no idea how many insns this can actually generate.  It should
+;; be rare, so over-estimating as 10 instructions should not have any
+;; real performance impact.
+(define_insn "leasi"
+  [(set (match_operand:SI 0 "register_operand" "=d")
+        (match_operand:SI 1 "address_operand" "p"))]
+  "Pmode == SImode"
+  "*
+{
+  rtx xoperands [3];
+
+  xoperands[0] = operands[0];
+  xoperands[1] = XEXP (operands[1], 0);
+  xoperands[2] = XEXP (operands[1], 1);
+  output_asm_insn (\"addiu\\t%0,%1,%2\", xoperands);
+  return \"\";
+}"
+  [(set_attr "type"	"arith")
+   (set_attr "mode"	"SI")
+   (set_attr "length"	"40")])
+
+(define_insn "ado16"
+  [(set (match_operand:SI             0 "register_operand" "=r")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "r")
+		    (match_operand:SI 2 "register_operand" "r")]
+		UNSPEC_ADO16))]
+  ""
+  "ado16\\t%0, %1, %2"
+)
+
+(define_insn "ram"
+  [(set (match_operand:SI             0 "register_operand" "=r")
+	      (unspec:SI [(match_operand:SI 1 "register_operand" "r")
+		                (match_operand:SI 2 "const_int_operand" "I")
+		                (match_operand:SI 3 "const_int_operand" "I")
+		                (match_operand:SI 4 "const_int_operand" "I")]
+		     UNSPEC_RAM))]
+  ""
+  "ram\\t%0, %1, %2, %3, %4"
+)
+
+(define_insn "chkhdr"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "=r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_CHKHDR)]
+  ""
+  "* return iq2000_fill_delay_slot (\"chkhdr\\t%0, %1\", DELAY_LOAD, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "pkrl"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_PKRL)]
+  ""
+  "* return iq2000_fill_delay_slot (\"pkrl\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "cfc0"
+   [(set (match_operand:SI                0 "register_operand" "=r")
+    (unspec_volatile:SI [(match_operand:SI 1 "const_int_operand" "I")]
+ 		UNSPEC_CFC0))]
+  ""
+  "* return iq2000_fill_delay_slot (\"cfc0\\t%0, %%%1\", DELAY_LOAD, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "cfc1"
+   [(set (match_operand:SI                0 "register_operand" "=r")
+   (unspec_volatile:SI [(match_operand:SI 1 "const_int_operand" "I")]
+ 		UNSPEC_CFC1))]
+  ""
+  "* return iq2000_fill_delay_slot (\"cfc1\\t%0, %%%1\", DELAY_LOAD, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "cfc2"
+   [(set (match_operand:SI                0 "register_operand" "=r")
+   (unspec_volatile:SI [(match_operand:SI 1 "const_int_operand" "I")]
+ 		UNSPEC_CFC2))]
+  ""
+  "* return iq2000_fill_delay_slot (\"cfc2\\t%0, %%%1\", DELAY_LOAD, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "cfc3"
+   [(set (match_operand:SI                0 "register_operand" "=r")
+   (unspec_volatile:SI [(match_operand:SI 1 "const_int_operand" "I")]
+ 		UNSPEC_CFC3))]
+  ""
+  "* return iq2000_fill_delay_slot (\"cfc3\\t%0, %%%1\", DELAY_LOAD, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "ctc0"
+  [(unspec_volatile:SI [(match_operand:SI 0 "reg_or_0_operand" "rJ")
+		(match_operand:SI 1 "const_int_operand" "I")]
+		UNSPEC_CTC0)]
+  ""
+  "* return iq2000_fill_delay_slot (\"ctc0\\t%z0, %%%1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "ctc1"
+  [(unspec_volatile:SI [(match_operand:SI 0 "reg_or_0_operand" "rJ")
+		(match_operand:SI 1 "const_int_operand" "I")]
+		UNSPEC_CTC1)]
+  ""
+  "* return iq2000_fill_delay_slot (\"ctc1\\t%z0, %%%1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "ctc2"
+  [(unspec_volatile:SI [(match_operand:SI 0 "reg_or_0_operand" "rJ")
+		(match_operand:SI 1 "const_int_operand" "I")]
+		UNSPEC_CTC2)]
+  ""
+  "* return iq2000_fill_delay_slot (\"ctc2\\t%z0, %%%1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "ctc3"
+  [(unspec_volatile:SI [(match_operand:SI 0 "reg_or_0_operand" "rJ")
+		(match_operand:SI 1 "const_int_operand" "I")]
+		UNSPEC_CTC3)]
+  ""
+  "* return iq2000_fill_delay_slot (\"ctc3\\t%z0, %%%1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "mfc0"
+   [(set (match_operand:SI                0 "register_operand" "=r")
+   (unspec_volatile:SI [(match_operand:SI 1 "const_int_operand" "I")]
+ 		UNSPEC_MFC0))]
+  ""
+  "* return iq2000_fill_delay_slot (\"mfc0\\t%0, %%%1\", DELAY_LOAD, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "mfc1"
+   [(set (match_operand:SI                0 "register_operand" "=r")
+   (unspec_volatile:SI [(match_operand:SI 1 "const_int_operand" "I")]
+ 		UNSPEC_MFC1))]
+  ""
+  "* return iq2000_fill_delay_slot (\"mfc1\\t%0, %%%1\", DELAY_LOAD, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "mfc2"
+   [(set (match_operand:SI                0 "register_operand" "=r")
+   (unspec_volatile:SI [(match_operand:SI 1 "const_int_operand" "I")]
+ 		UNSPEC_MFC2))]
+  ""
+  "* return iq2000_fill_delay_slot (\"mfc2\\t%0, %%%1\", DELAY_LOAD, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "mfc3"
+   [(set (match_operand:SI                0 "register_operand" "=r")
+   (unspec_volatile:SI [(match_operand:SI 1 "const_int_operand" "I")]
+ 		UNSPEC_MFC3))]
+  ""
+  "* return iq2000_fill_delay_slot (\"mfc3\\t%0, %%%1\", DELAY_LOAD, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "mtc0"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "const_int_operand" "I")]
+		UNSPEC_MTC0)]
+  ""
+  "* return iq2000_fill_delay_slot (\"mtc0\\t%0, %%%1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "mtc1"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "const_int_operand" "I")]
+		UNSPEC_MTC1)]
+  ""
+  "* return iq2000_fill_delay_slot (\"mtc1\\t%0, %%%1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "mtc2"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "const_int_operand" "I")]
+		UNSPEC_MTC2)]
+  ""
+  "* return iq2000_fill_delay_slot (\"mtc2\\t%0, %%%1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "mtc3"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "const_int_operand" "I")]
+		UNSPEC_MTC3)]
+  ""
+  "* return iq2000_fill_delay_slot (\"mtc3\\t%0, %%%1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "lur"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_LUR)]
+  ""
+  "* return iq2000_fill_delay_slot (\"lur\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "rb"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_RB)]
+  ""
+  "* return iq2000_fill_delay_slot (\"rb\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "rx"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_RX)]
+  ""
+  "* return iq2000_fill_delay_slot (\"rx\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "srrd"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")]
+		UNSPEC_SRRD)]
+  ""
+  "* return iq2000_fill_delay_slot (\"srrd\\t%0\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "srwr"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_SRWR)]
+  ""
+  "* return iq2000_fill_delay_slot (\"srwr\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "wb"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_WB)]
+  ""
+  "* return iq2000_fill_delay_slot (\"wb\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "wx"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_WX)]
+  ""
+  "* return iq2000_fill_delay_slot (\"wx\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "luc32"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_LUC32)]
+  ""
+  "* return iq2000_fill_delay_slot (\"luc32\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "luc32l"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_LUC32L)]
+  ""
+  "* return iq2000_fill_delay_slot (\"luc32l\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "luc64"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_LUC64)]
+  ""
+  "* return iq2000_fill_delay_slot (\"luc64\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "luc64l"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_LUC64L)]
+  ""
+  "* return iq2000_fill_delay_slot (\"luc64l\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "luk"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_LUK)]
+  ""
+  "* return iq2000_fill_delay_slot (\"luk\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "lulck"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")]
+		UNSPEC_LULCK)]
+  ""
+  "* return iq2000_fill_delay_slot (\"lulck\\t%0\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "lum32"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_LUM32)]
+  ""
+  "* return iq2000_fill_delay_slot (\"lum32\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "lum32l"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_LUM32L)]
+  ""
+  "* return iq2000_fill_delay_slot (\"lum32l\\t%0, %1\", DELAY_NONE, operands, insn);" 
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "lum64"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_LUM64)]
+  ""
+  "* return iq2000_fill_delay_slot (\"lum64\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "lum64l"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_LUM64L)]
+  ""
+  "* return iq2000_fill_delay_slot (\"lum64l\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "lurl"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_LURL)]
+  ""
+  "* return iq2000_fill_delay_slot (\"lurl\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "mrgb"
+  [(set (match_operand:SI                 0 "register_operand" "=r")
+  	(unspec_volatile:SI [(match_operand:SI 1 "register_operand" "r")
+		(match_operand:SI 2 "register_operand" "r")
+		(match_operand:SI 3 "const_int_operand" "I")]
+		UNSPEC_MRGB))]
+  ""
+  "* return iq2000_fill_delay_slot (\"mrgb\\t%0, %1, %2, %3\", DELAY_LOAD, operands, insn);"
+  [(set_attr "dslot"	"ok_in_dslot")]
+)
+
+(define_insn "srrdl"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")]
+		UNSPEC_SRRDL)]
+  ""
+  "* return iq2000_fill_delay_slot (\"srrdl\\t%0\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "srulck"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")]
+		UNSPEC_SRULCK)]
+  ""
+  "* return iq2000_fill_delay_slot (\"srulck\\t%0\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "srwru"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_SRWRU)]
+  ""
+  "* return iq2000_fill_delay_slot (\"srwru\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "trapqfl"
+  [(unspec_volatile:SI [(const_int 1)] UNSPEC_TRAPQFL)]
+  ""
+  "* return iq2000_fill_delay_slot (\"trapqfl\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "trapqne"
+  [(unspec_volatile:SI [(const_int 2)] UNSPEC_TRAPQNE)]
+  ""
+  "* return iq2000_fill_delay_slot (\"trapqne\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "traprel"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")]
+		UNSPEC_TRAPREL)]
+  ""
+  "* return iq2000_fill_delay_slot (\"traprel %0\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "wbu"
+  [(unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")
+		(match_operand:SI 1 "register_operand" "r")]
+		UNSPEC_WBU)]
+  ""
+  "* return iq2000_fill_delay_slot (\"wbu\\t%0, %1\", DELAY_NONE, operands, insn);"
+  [(set_attr "dslot"	"not_in_dslot")]
+)
+
+(define_insn "syscall"
+  [(unspec_volatile:SI [(const_int 2)] UNSPEC_SYSCALL)]
+  ""
+  "syscall"
+  [(set_attr "dslot"    "not_in_dslot")]
+)