URL https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [ia64/] [ia64.md] - Blame information for rev 749

Go to most recent revision | Details | Compare with Previous | View Log

;; IA-64 Machine description template
;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
;; 2009, 2010 Free Software Foundation, Inc.
;; Contributed by James E. Wilson  and
;;                David Mosberger .
 
;; 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
;; .
 
;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
 
;; ??? register_operand accepts (subreg:DI (mem:SI X)) which forces later
;; reload.  This will be fixed once scheduling support is turned on.
 
;; ??? Optimize for post-increment addressing modes.
 
;; ??? fselect is not supported, because there is no integer register
;; equivalent.
 
;; ??? fp abs/min/max instructions may also work for integer values.
 
;; ??? Would a predicate_reg_operand predicate be useful?  The HP one is buggy,
;; it assumes the operand is a register and takes REGNO of it without checking.
 
;; ??? Would a branch_reg_operand predicate be useful?  The HP one is buggy,
;; it assumes the operand is a register and takes REGNO of it without checking.
 
;; ??? Go through list of documented named patterns and look for more to
;; implement.
 
;; ??? Go through instruction manual and look for more instructions that
;; can be emitted.
 
;; ??? Add function unit scheduling info for Itanium (TM) processor.
 
;; ??? Need a better way to describe alternate fp status registers.
 
(define_c_enum "unspec"
  [; Relocations
   UNSPEC_LTOFF_DTPMOD
   UNSPEC_LTOFF_DTPREL
   UNSPEC_DTPREL
   UNSPEC_LTOFF_TPREL
   UNSPEC_TPREL
   UNSPEC_DTPMOD
 
   UNSPEC_LD_BASE
   UNSPEC_GR_SPILL
   UNSPEC_GR_RESTORE
   UNSPEC_FR_SPILL
   UNSPEC_FR_RESTORE
   UNSPEC_FR_RECIP_APPROX
   UNSPEC_PRED_REL_MUTEX
   UNSPEC_GETF_EXP
   UNSPEC_PIC_CALL
   UNSPEC_MF
   UNSPEC_CMPXCHG_ACQ
   UNSPEC_CMPXCHG_REL
   UNSPEC_FETCHADD_ACQ
   UNSPEC_FETCHADD_REL
   UNSPEC_BSP_VALUE
   UNSPEC_FLUSHRS
   UNSPEC_BUNDLE_SELECTOR
   UNSPEC_ADDP4
   UNSPEC_PROLOGUE_USE
   UNSPEC_RET_ADDR
   UNSPEC_SETF_EXP
   UNSPEC_FR_SQRT_RECIP_APPROX
   UNSPEC_SHRP
   UNSPEC_COPYSIGN
   UNSPEC_VECT_EXTR
   UNSPEC_LDA
   UNSPEC_LDS
   UNSPEC_LDS_A
   UNSPEC_LDSA
   UNSPEC_LDCCLR
   UNSPEC_LDCNC
   UNSPEC_CHKACLR
   UNSPEC_CHKANC
   UNSPEC_CHKS
   UNSPEC_FR_RECIP_APPROX_RES
   UNSPEC_FR_SQRT_RECIP_APPROX_RES
  ])
 
(define_c_enum "unspecv" [
   UNSPECV_ALLOC
   UNSPECV_BLOCKAGE
   UNSPECV_INSN_GROUP_BARRIER
   UNSPECV_BREAK
   UNSPECV_SET_BSP
   UNSPECV_PSAC_ALL             ; pred.safe_across_calls
   UNSPECV_PSAC_NORMAL
   UNSPECV_SETJMP_RECEIVER
   UNSPECV_GOTO_RECEIVER
  ])
 
(include "predicates.md")
(include "constraints.md")
 
;; ::::::::::::::::::::
;; ::
;; :: Attributes
;; ::
;; ::::::::::::::::::::
 
;; Processor type.  This attribute must exactly match the processor_type
;; enumeration in ia64.h.
(define_attr "cpu" "itanium,itanium2"
  (const (symbol_ref "((enum attr_cpu) ia64_tune)")))
 
;; Instruction type.  This primarily determines how instructions can be
;; packed in bundles, and secondarily affects scheduling to function units.
 
;; A alu, can go in I or M syllable of a bundle
;; I integer
;; M memory
;; F floating-point
;; B branch
;; L long immediate, takes two syllables
;; S stop bit
 
;; ??? Should not have any pattern with type unknown.  Perhaps add code to
;; check this in md_reorg?  Currently use unknown for patterns which emit
;; multiple instructions, patterns which emit 0 instructions, and patterns
;; which emit instruction that can go in any slot (e.g. nop).
 
(define_attr "itanium_class" "unknown,ignore,stop_bit,br,fcmp,fcvtfx,fld,
        fldp,fmac,fmisc,frar_i,frar_m,frbr,frfr,frpr,ialu,icmp,ilog,ishf,
        ld,chk_s_i,chk_s_f,chk_a,long_i,mmalua,mmmul,mmshf,mmshfi,rse_m,scall,sem,stf,
        st,syst_m0, syst_m,tbit,toar_i,toar_m,tobr,tofr,topr,xmpy,xtd,nop,
        nop_b,nop_f,nop_i,nop_m,nop_x,lfetch,pre_cycle"
  (const_string "unknown"))
 
;; chk_s_i has an I and an M form; use type A for convenience.
(define_attr "type" "unknown,A,I,M,F,B,L,X,S"
  (cond [(eq_attr "itanium_class" "ld,st,fld,fldp,stf,sem,nop_m") (const_string "M")
         (eq_attr "itanium_class" "rse_m,syst_m,syst_m0") (const_string "M")
         (eq_attr "itanium_class" "frar_m,toar_m,frfr,tofr") (const_string "M")
         (eq_attr "itanium_class" "lfetch") (const_string "M")
         (eq_attr "itanium_class" "chk_s_f,chk_a") (const_string "M")
         (eq_attr "itanium_class" "chk_s_i,ialu,icmp,ilog,mmalua")
           (const_string "A")
         (eq_attr "itanium_class" "fmisc,fmac,fcmp,xmpy") (const_string "F")
         (eq_attr "itanium_class" "fcvtfx,nop_f") (const_string "F")
         (eq_attr "itanium_class" "frar_i,toar_i,frbr,tobr") (const_string "I")
         (eq_attr "itanium_class" "frpr,topr,ishf,xtd,tbit") (const_string "I")
         (eq_attr "itanium_class" "mmmul,mmshf,mmshfi,nop_i") (const_string "I")
         (eq_attr "itanium_class" "br,scall,nop_b") (const_string "B")
         (eq_attr "itanium_class" "stop_bit") (const_string "S")
         (eq_attr "itanium_class" "nop_x") (const_string "X")
         (eq_attr "itanium_class" "long_i") (const_string "L")]
        (const_string "unknown")))
 
(define_attr "itanium_requires_unit0" "no,yes"
  (cond [(eq_attr "itanium_class" "syst_m0,sem,frfr,rse_m") (const_string "yes")
         (eq_attr "itanium_class" "toar_m,frar_m") (const_string "yes")
         (eq_attr "itanium_class" "frbr,tobr,mmmul") (const_string "yes")
         (eq_attr "itanium_class" "tbit,ishf,topr,frpr") (const_string "yes")
         (eq_attr "itanium_class" "toar_i,frar_i") (const_string "yes")
         (eq_attr "itanium_class" "fmisc,fcmp") (const_string "yes")]
        (const_string "no")))
 
;; Predication.  True iff this instruction can be predicated.
 
(define_attr "predicable" "no,yes" (const_string "yes"))
 
;; Empty.  True iff this insn does not generate any code.
 
(define_attr "empty" "no,yes" (const_string "no"))
 
;; True iff this insn must be the first insn of an instruction group.
;; This is true for the alloc instruction, and will also be true of others
;; when we have full intrinsics support.
 
(define_attr "first_insn" "no,yes" (const_string "no"))
 
(define_attr "data_speculative" "no,yes" (const_string "no"))
 
(define_attr "control_speculative" "no,yes" (const_string "no"))
 
(define_attr "check_load" "no,yes" (const_string "no"))
 
(define_attr "speculable1" "no,yes" (const_string "no"))
 
(define_attr "speculable2" "no,yes" (const_string "no"))
 
;; DFA descriptions of ia64 processors used for insn scheduling and
;; bundling.
 
(automata_option "ndfa")
 
;; Uncomment the following line to output automata for debugging.
;; (automata_option "v")
 
(automata_option "w")
 
(include "itanium2.md")
 
;; Mode iterators
 
; Used for truncations from XFmode.
(define_mode_iterator MODE_SDF [SF DF])
 
(define_mode_attr suffix [
  (SF ".s")
  (DF ".d")
  (XF "")
  ])
 
;; ::::::::::::::::::::
;; ::
;; :: Moves
;; ::
;; ::::::::::::::::::::
 
;; Set of a single predicate register.  This is only used to implement
;; pr-to-pr move and complement.
 
(define_insn "movcci"
  [(set (match_operand:CCI 0 "destination_operand" "=c,c,?c,?*r, c,*r,*m,*r")
        (match_operand:CCI 1 "move_operand"        " O,n, c,  c,*r,*m,*r,*r"))]
  ""
  "@
   cmp.ne %0, p0 = r0, r0
   cmp.eq %0, p0 = r0, r0
   (%1) cmp.eq.unc %0, p0 = r0, r0
   #
   tbit.nz %0, p0 = %1, 0
   ld1%O1 %0 = %1%P1
   st1%Q0 %0 = %1%P0
   mov %0 = %1"
  [(set_attr "itanium_class" "icmp,icmp,icmp,unknown,tbit,ld,st,ialu")
   (set_attr "predicable" "no")])
 
(define_split
  [(set (match_operand:CCI 0 "register_operand" "")
        (match_operand:CCI 1 "register_operand" ""))]
  "reload_completed
   && GET_CODE (operands[0]) == REG && GR_REGNO_P (REGNO (operands[0]))
   && GET_CODE (operands[1]) == REG && PR_REGNO_P (REGNO (operands[1]))"
  [(set (match_dup 2) (const_int 0))
   (cond_exec (ne (match_dup 3) (const_int 0))
     (set (match_dup 2) (const_int 1)))]
  "operands[2] = gen_rtx_REG (BImode, REGNO (operands[0]));
   operands[3] = gen_rtx_REG (BImode, REGNO (operands[1]));")
 
(define_insn "movbi"
  [(set (match_operand:BI 0 "destination_operand" "=c,c,?c,?*r, c,*r,*r,*m,*r")
        (match_operand:BI 1 "move_operand"        " O,n, c,  c,*r, n,*m,*r,*r"))]
  ""
  "@
   cmp.ne %0, %I0 = r0, r0
   cmp.eq %0, %I0 = r0, r0
   #
   #
   tbit.nz %0, %I0 = %1, 0
   adds %0 = %1, r0
   ld1%O1 %0 = %1%P1
   st1%Q0 %0 = %1%P0
   mov %0 = %1"
  [(set_attr "itanium_class" "icmp,icmp,unknown,unknown,tbit,ialu,ld,st,ialu")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no,  no,  no,     no,     no,  no, yes,no,no")])
 
(define_split
  [(set (match_operand:BI 0 "register_operand" "")
        (match_operand:BI 1 "register_operand" ""))]
  "reload_completed
   && GET_CODE (operands[0]) == REG && GR_REGNO_P (REGNO (operands[0]))
   && GET_CODE (operands[1]) == REG && PR_REGNO_P (REGNO (operands[1]))"
  [(cond_exec (ne (match_dup 1) (const_int 0))
     (set (match_dup 0) (const_int 1)))
   (cond_exec (eq (match_dup 1) (const_int 0))
     (set (match_dup 0) (const_int 0)))]
  "")
 
(define_split
  [(set (match_operand:BI 0 "register_operand" "")
        (match_operand:BI 1 "register_operand" ""))]
  "reload_completed
   && GET_CODE (operands[0]) == REG && PR_REGNO_P (REGNO (operands[0]))
   && GET_CODE (operands[1]) == REG && PR_REGNO_P (REGNO (operands[1]))"
  [(set (match_dup 2) (match_dup 4))
   (set (match_dup 3) (match_dup 5))
   (set (match_dup 0) (unspec:BI [(match_dup 0)] UNSPEC_PRED_REL_MUTEX))]
  "operands[2] = gen_rtx_REG (CCImode, REGNO (operands[0]));
   operands[3] = gen_rtx_REG (CCImode, REGNO (operands[0]) + 1);
   operands[4] = gen_rtx_REG (CCImode, REGNO (operands[1]));
   operands[5] = gen_rtx_REG (CCImode, REGNO (operands[1]) + 1);")
 
(define_expand "movqi"
  [(set (match_operand:QI 0 "general_operand" "")
        (match_operand:QI 1 "general_operand" ""))]
  ""
{
  rtx op1 = ia64_expand_move (operands[0], operands[1]);
  if (!op1)
    DONE;
  operands[1] = op1;
})
 
(define_insn "movqi_internal"
  [(set (match_operand:QI 0 "destination_operand" "=r,r,r, m, r,*f,*f")
        (match_operand:QI 1 "move_operand"        "rO,J,m,rO,*f,rO,*f"))]
  "ia64_move_ok (operands[0], operands[1])"
  "@
   mov %0 = %r1
   addl %0 = %1, r0
   ld1%O1 %0 = %1%P1
   st1%Q0 %0 = %r1%P0
   getf.sig %0 = %1
   setf.sig %0 = %r1
   mov %0 = %1"
  [(set_attr "itanium_class" "ialu,ialu,ld,st,frfr,tofr,fmisc")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no,  no, yes,no,no,  no,  no")])
 
(define_expand "movhi"
  [(set (match_operand:HI 0 "general_operand" "")
        (match_operand:HI 1 "general_operand" ""))]
  ""
{
  rtx op1 = ia64_expand_move (operands[0], operands[1]);
  if (!op1)
    DONE;
  operands[1] = op1;
})
 
(define_insn "movhi_internal"
  [(set (match_operand:HI 0 "destination_operand" "=r,r,r, m, r,*f,*f")
        (match_operand:HI 1 "move_operand"        "rO,J,m,rO,*f,rO,*f"))]
  "ia64_move_ok (operands[0], operands[1])"
  "@
   mov %0 = %r1
   addl %0 = %1, r0
   ld2%O1 %0 = %1%P1
   st2%Q0 %0 = %r1%P0
   getf.sig %0 = %1
   setf.sig %0 = %r1
   mov %0 = %1"
  [(set_attr "itanium_class" "ialu,ialu,ld,st,frfr,tofr,fmisc")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no,  no, yes,no,no,  no,  no")])
 
(define_expand "movsi"
  [(set (match_operand:SI 0 "general_operand" "")
        (match_operand:SI 1 "general_operand" ""))]
  ""
{
  rtx op1 = ia64_expand_move (operands[0], operands[1]);
  if (!op1)
    DONE;
  operands[1] = op1;
})
 
(define_insn "movsi_internal"
  [(set (match_operand:SI 0 "destination_operand" "=r,r,r,r,r, m, r,*f,*f, r,*d")
        (match_operand:SI 1 "move_operand"        "rO,J,j,i,m,rO,*f,rO,*f,*d,rK"))]
  "ia64_move_ok (operands[0], operands[1])"
  "@
  mov %0 = %r1
  addl %0 = %1, r0
  addp4 %0 = %1 - 0x100000000, r0
  movl %0 = %1
  ld4%O1 %0 = %1%P1
  st4%Q0 %0 = %r1%P0
  getf.sig %0 = %1
  setf.sig %0 = %r1
  mov %0 = %1
  mov %0 = %1
  mov %0 = %r1"
  ;; frar_m, toar_m ??? why not frar_i and toar_i
  [(set_attr "itanium_class" "ialu,ialu,ialu,long_i,ld,st,frfr,tofr,fmisc,frar_m,toar_m")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no,  no,  no,  no,   yes,no,no,  no,  no,   no,    no")])
 
(define_expand "movdi"
  [(set (match_operand:DI 0 "general_operand" "")
        (match_operand:DI 1 "general_operand" ""))]
  ""
{
  rtx op1 = ia64_expand_move (operands[0], operands[1]);
  if (!op1)
    DONE;
  operands[1] = op1;
})
 
(define_insn "movdi_internal"
  [(set (match_operand:DI 0 "destination_operand"
                    "=r,r,r,r,r, m, r,*f,*f,*f, Q, r,*b, r,*e, r,*d, r,*c")
        (match_operand:DI 1 "move_operand"
                    "rO,JT,j,i,m,rO,*f,rO,*f, Q,*f,*b,rO,*e,rK,*d,rK,*c,rO"))]
  "ia64_move_ok (operands[0], operands[1])"
{
  static const char * const alt[] = {
    "%,mov %0 = %r1",
    "%,addl %0 = %1, r0",
    "%,addp4 %0 = %1 - 0x100000000, r0",
    "%,movl %0 = %1",
    "%,ld8%O1 %0 = %1%P1",
    "%,st8%Q0 %0 = %r1%P0",
    "%,getf.sig %0 = %1",
    "%,setf.sig %0 = %r1",
    "%,mov %0 = %1",
    "%,ldf8 %0 = %1%P1",
    "%,stf8 %0 = %1%P0",
    "%,mov %0 = %1",
    "%,mov %0 = %r1",
    "%,mov %0 = %1",
    "%,mov %0 = %1",
    "%,mov %0 = %1",
    "%,mov %0 = %1",
    "mov %0 = pr",
    "mov pr = %1, -1"
  };
 
  gcc_assert (which_alternative != 2 || TARGET_NO_PIC
              || !symbolic_operand (operands[1], VOIDmode));
 
  return alt[which_alternative];
}
  [(set_attr "itanium_class" "ialu,ialu,ialu,long_i,ld,st,frfr,tofr,fmisc,fld,stf,frbr,tobr,frar_i,toar_i,frar_m,toar_m,frpr,topr")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no,  no,  no,  no,   yes,no,no,  no,  no,   yes,no, no,  no,  no,    no,    no,    no,    no,  no")])
 
(define_mode_iterator MODE [BI QI HI SI DI SF DF XF TI])
(define_mode_iterator MODE_FOR_CMP [BI SI DI SF DF XF (TF "TARGET_HPUX")])
(define_mode_iterator MODE_FOR_EXTEND [QI HI SI])
 
(define_mode_attr output_a [
  (BI "ld1.a %0 = %1%P1")
  (QI "ld1.a %0 = %1%P1")
  (HI "ld2.a %0 = %1%P1")
  (SI "ld4.a %0 = %1%P1")
  (DI
   "@
    ld8.a %0 = %1%P1
    ldf8.a %0 = %1%P1")
  (SF
   "@
    ldfs.a %0 = %1%P1
    ld4.a %0 = %1%P1")
  (DF
   "@
    ldfd.a %0 = %1%P1
    ld8.a %0 = %1%P1")
  (XF "ldfe.a %0 = %1%P1")
  (TI "ldfp8.a %X0 = %1%P1")])
 
(define_mode_attr output_s [
  (BI "ld1.s %0 = %1%P1")
  (QI "ld1.s %0 = %1%P1")
  (HI "ld2.s %0 = %1%P1")
  (SI "ld4.s %0 = %1%P1")
  (DI
   "@
    ld8.s %0 = %1%P1
    ldf8.s %0 = %1%P1")
  (SF
   "@
    ldfs.s %0 = %1%P1
    ld4.s %0 = %1%P1")
  (DF
   "@
    ldfd.s %0 = %1%P1
    ld8.s %0 = %1%P1")
  (XF "ldfe.s %0 = %1%P1")
  (TI "ldfp8.s %X0 = %1%P1")])
 
(define_mode_attr output_sa [
  (BI "ld1.sa %0 = %1%P1")
  (QI "ld1.sa %0 = %1%P1")
  (HI "ld2.sa %0 = %1%P1")
  (SI "ld4.sa %0 = %1%P1")
  (DI
   "@
    ld8.sa %0 = %1%P1
    ldf8.sa %0 = %1%P1")
  (SF
   "@
    ldfs.sa %0 = %1%P1
    ld4.sa %0 = %1%P1")
  (DF
   "@
    ldfd.sa %0 = %1%P1
    ld8.sa %0 = %1%P1")
  (XF "ldfe.sa %0 = %1%P1")
  (TI "ldfp8.sa %X0 = %1%P1")])
 
(define_mode_attr output_c_clr [
  (BI "ld1.c.clr%O1 %0 = %1%P1")
  (QI "ld1.c.clr%O1 %0 = %1%P1")
  (HI "ld2.c.clr%O1 %0 = %1%P1")
  (SI "ld4.c.clr%O1 %0 = %1%P1")
  (DI
   "@
    ld8.c.clr%O1 %0 = %1%P1
    ldf8.c.clr %0 = %1%P1")
  (SF
   "@
    ldfs.c.clr %0 = %1%P1
    ld4.c.clr%O1 %0 = %1%P1")
  (DF
   "@
    ldfd.c.clr %0 = %1%P1
    ld8.c.clr%O1 %0 = %1%P1")
  (XF "ldfe.c.clr %0 = %1%P1")
  (TI "ldfp8.c.clr %X0 = %1%P1")])
 
(define_mode_attr output_c_nc [
  (BI "ld1.c.nc%O1 %0 = %1%P1")
  (QI "ld1.c.nc%O1 %0 = %1%P1")
  (HI "ld2.c.nc%O1 %0 = %1%P1")
  (SI "ld4.c.nc%O1 %0 = %1%P1")
  (DI
   "@
    ld8.c.nc%O1 %0 = %1%P1
    ldf8.c.nc %0 = %1%P1")
  (SF
   "@
    ldfs.c.nc %0 = %1%P1
    ld4.c.nc%O1 %0 = %1%P1")
  (DF
   "@
    ldfd.c.nc %0 = %1%P1
    ld8.c.nc%O1 %0 = %1%P1")
  (XF "ldfe.c.nc %0 = %1%P1")
  (TI "ldfp8.c.nc %X0 = %1%P1")])
 
(define_mode_attr ld_reg_constr [(BI "=*r") (QI "=r") (HI "=r") (SI "=r") (DI "=r,*f") (SF "=f,*r") (DF "=f,*r") (XF "=f") (TI "=*x")])
(define_mode_attr ldc_reg_constr [(BI "+*r") (QI "+r") (HI "+r") (SI "+r") (DI "+r,*f") (SF "+f,*r") (DF "+f,*r") (XF "+f") (TI "+*x")])
(define_mode_attr chk_reg_constr [(BI "*r") (QI "r") (HI "r") (SI "r") (DI "r,*f") (SF "f,*r") (DF "f,*r") (XF "f") (TI "*x")])
 
(define_mode_attr mem_constr [(BI "*m") (QI "m") (HI "m") (SI "m") (DI "m,Q") (SF "Q,m") (DF "Q,m") (XF "m") (TI "Q")])
 
;; Define register predicate prefix.
;; We can generate speculative loads only for general and fp registers - this
;; is constrained in ia64.c: ia64_speculate_insn ().
(define_mode_attr reg_pred_prefix [(BI "gr") (QI "gr") (HI "gr") (SI "gr") (DI "grfr") (SF "grfr") (DF "grfr") (XF "fr") (TI "fr")])
 
(define_mode_attr ld_class [(BI "ld") (QI "ld") (HI "ld") (SI "ld") (DI "ld,fld") (SF "fld,ld") (DF "fld,ld") (XF "fld") (TI "fldp")])
(define_mode_attr chka_class [(BI "chk_a") (QI "chk_a") (HI "chk_a") (SI "chk_a") (DI "chk_a,chk_a") (SF "chk_a,chk_a") (DF "chk_a,chk_a") (XF "chk_a") (TI "chk_a")])
(define_mode_attr chks_class [(BI "chk_s_i") (QI "chk_s_i") (HI "chk_s_i") (SI "chk_s_i") (DI "chk_s_i,chk_s_f") (SF "chk_s_f,chk_s_i") (DF "chk_s_f,chk_s_i") (XF "chk_s_f") (TI "chk_s_i")])
 
(define_mode_attr attr_yes [(BI "yes") (QI "yes") (HI "yes") (SI "yes") (DI "yes,yes") (SF "yes,yes") (DF "yes,yes") (XF "yes") (TI "yes")])
 
(define_insn "mov_advanced"
  [(set (match_operand:MODE 0 "_register_operand" "")
        (unspec:MODE [(match_operand:MODE 1 "memory_operand" "")] UNSPEC_LDA))]
  "ia64_move_ok (operands[0], operands[1])"
  ""
  [(set_attr "itanium_class" "")
   (set_attr "data_speculative" "")])
 
(define_insn "zero_extenddi2_advanced"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (zero_extend:DI (unspec:MODE_FOR_EXTEND [(match_operand:MODE_FOR_EXTEND 1 "memory_operand" "")] UNSPEC_LDA)))]
  ""
  ""
  [(set_attr "itanium_class" "")
   (set_attr "data_speculative" "")])
 
(define_insn "mov_speculative"
  [(set (match_operand:MODE 0 "_register_operand" "")
        (unspec:MODE [(match_operand:MODE 1 "memory_operand" "")] UNSPEC_LDS))]
  "ia64_move_ok (operands[0], operands[1])"
  ""
  [(set_attr "itanium_class" "")
   (set_attr "control_speculative" "")])
 
(define_insn "zero_extenddi2_speculative"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (zero_extend:DI (unspec:MODE_FOR_EXTEND [(match_operand:MODE_FOR_EXTEND 1 "memory_operand" "")] UNSPEC_LDS)))]
  ""
  ""
  [(set_attr "itanium_class" "")
   (set_attr "control_speculative" "")])
 
(define_insn "mov_speculative_advanced"
  [(set (match_operand:MODE 0 "_register_operand" "")
        (unspec:MODE [(match_operand:MODE 1 "memory_operand" "")] UNSPEC_LDSA))]
  "ia64_move_ok (operands[0], operands[1])"
  ""
  [(set_attr "itanium_class" "")
   (set_attr "data_speculative" "")
   (set_attr "control_speculative" "")])
 
(define_insn "mov_speculative_a"
  [(set (match_operand:MODE 0 "_register_operand" "")
        (unspec:MODE [(match_operand:MODE 1 "memory_operand" "")] UNSPEC_LDS_A))]
  "ia64_move_ok (operands[0], operands[1])"
  ""
  [(set_attr "itanium_class" "")
   (set_attr "data_speculative" "")
   (set_attr "control_speculative" "")])
 
(define_insn "zero_extenddi2_speculative_advanced"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (zero_extend:DI (unspec:MODE_FOR_EXTEND [(match_operand:MODE_FOR_EXTEND 1 "memory_operand" "")] UNSPEC_LDSA)))]
  ""
  ""
  [(set_attr "itanium_class" "")
   (set_attr "data_speculative" "")
   (set_attr "control_speculative" "")])
 
(define_insn "zero_extenddi2_speculative_a"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (zero_extend:DI (unspec:MODE_FOR_EXTEND [(match_operand:MODE_FOR_EXTEND 1 "memory_operand" "")] UNSPEC_LDS_A)))]
  ""
  ""
  [(set_attr "itanium_class" "")
   (set_attr "data_speculative" "")
   (set_attr "control_speculative" "")])
 
(define_insn "mov_clr"
  [(set (match_operand:MODE 0 "_register_operand" "")
        (if_then_else:MODE (ne (unspec [(match_dup 0)] UNSPEC_LDCCLR) (const_int 0))
                           (match_operand:MODE 1 "memory_operand" "")
                           (match_dup 0)))]
  "ia64_move_ok (operands[0], operands[1])"
  ""
  [(set_attr "itanium_class" "")
   (set_attr "check_load" "")])
 
(define_insn "mov_nc"
  [(set (match_operand:MODE 0 "_register_operand" "")
        (if_then_else:MODE (ne (unspec [(match_dup 0)] UNSPEC_LDCNC) (const_int 0))
                           (match_operand:MODE 1 "memory_operand" "")
                           (match_dup 0)))]
  "ia64_move_ok (operands[0], operands[1])"
  ""
  [(set_attr "itanium_class" "")
   (set_attr "check_load" "")])
 
(define_insn "zero_extenddi2_clr"
  [(set (match_operand:DI 0 "gr_register_operand" "+r")
        (if_then_else:DI (ne (unspec [(match_dup 0)] UNSPEC_LDCCLR) (const_int 0))
                         (zero_extend:DI (match_operand:MODE_FOR_EXTEND 1 "memory_operand" ""))
                         (match_dup 0)))]
  ""
  ""
  [(set_attr "itanium_class" "")
   (set_attr "check_load" "")])
 
(define_insn "zero_extenddi2_nc"
  [(set (match_operand:DI 0 "gr_register_operand" "+r")
        (if_then_else:DI (ne (unspec [(match_dup 0)] UNSPEC_LDCNC) (const_int 0))
                         (zero_extend:DI (match_operand:MODE_FOR_EXTEND 1 "memory_operand" ""))
                         (match_dup 0)))]
  ""
  ""
  [(set_attr "itanium_class" "")
   (set_attr "check_load" "")])
 
(define_insn "advanced_load_check_clr_"
  [(set (pc)
        (if_then_else (ne (unspec [(match_operand:MODE 0 "_register_operand" "")] UNSPEC_CHKACLR) (const_int 0))
                      (pc)
                      (label_ref (match_operand 1 "" ""))))]
  ""
  "chk.a.clr %0, %l1"
  [(set_attr "itanium_class" "")])
 
(define_insn "advanced_load_check_nc_"
  [(set (pc)
        (if_then_else (ne (unspec [(match_operand:MODE 0 "_register_operand" "")] UNSPEC_CHKANC) (const_int 0))
                      (pc)
                      (label_ref (match_operand 1 "" ""))))]
  ""
  "chk.a.clr %0, %l1"
  [(set_attr "itanium_class" "")])
 
(define_insn "speculation_check_"
  [(set (pc)
        (if_then_else (ne (unspec [(match_operand:MODE 0 "_register_operand" "")] UNSPEC_CHKS) (const_int 0))
                      (pc)
                      (label_ref (match_operand 1 "" ""))))]
  ""
  "chk.s %0, %l1"
  [(set_attr "itanium_class" "")])
 
(define_split
  [(set (match_operand 0 "register_operand" "")
        (match_operand 1 "symbolic_operand" ""))]
  "reload_completed"
  [(const_int 0)]
{
  if (ia64_expand_load_address (operands[0], operands[1]))
    DONE;
  else
    FAIL;
})
 
(define_expand "load_fptr"
  [(set (match_operand:DI 0 "register_operand" "")
        (plus:DI (match_dup 2) (match_operand 1 "function_operand" "")))
   (set (match_dup 0) (match_dup 3))]
  "reload_completed"
{
  operands[2] = pic_offset_table_rtx;
  operands[3] = gen_const_mem (DImode, operands[0]);
})
 
(define_insn "*load_fptr_internal1"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (plus:DI (reg:DI 1) (match_operand 1 "function_operand" "s")))]
  "reload_completed"
  "addl %0 = @ltoff(@fptr(%1)), gp"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "load_gprel"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (plus:DI (reg:DI 1) (match_operand 1 "sdata_symbolic_operand" "s")))]
  "reload_completed"
  "addl %0 = @gprel(%1), gp"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*gprel64_offset"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (minus:DI (match_operand:DI 1 "symbolic_operand" "") (reg:DI 1)))]
  "reload_completed"
  "movl %0 = @gprel(%1)"
  [(set_attr "itanium_class" "long_i")])
 
(define_expand "load_gprel64"
  [(set (match_operand:DI 0 "register_operand" "")
        (minus:DI (match_operand:DI 1 "symbolic_operand" "") (match_dup 2)))
   (set (match_dup 0)
        (plus:DI (match_dup 2) (match_dup 0)))]
  "reload_completed"
{
  operands[2] = pic_offset_table_rtx;
})
 
;; This is used as a placeholder for the return address during early
;; compilation.  We won't know where we've placed this until during
;; reload, at which point it can wind up in b0, a general register,
;; or memory.  The only safe destination under these conditions is a
;; general register.
 
(define_insn_and_split "*movdi_ret_addr"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (unspec:DI [(const_int 0)] UNSPEC_RET_ADDR))]
  ""
  "#"
  "reload_completed"
  [(const_int 0)]
{
  ia64_split_return_addr_rtx (operands[0]);
  DONE;
}
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*load_symptr_high"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (plus:DI (high:DI (match_operand 1 "got_symbolic_operand" "s"))
                 (match_operand:DI 2 "register_operand" "a")))]
  "reload_completed"
{
  if (HAVE_AS_LTOFFX_LDXMOV_RELOCS)
    return "%,addl %0 = @ltoffx(%1), %2";
  else
    return "%,addl %0 = @ltoff(%1), %2";
}
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*load_symptr_low"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (lo_sum:DI (mem:DI (match_operand:DI 1 "register_operand" "r"))
                   (match_operand 2 "got_symbolic_operand" "s")))]
  "reload_completed"
{
  if (HAVE_AS_LTOFFX_LDXMOV_RELOCS)
    return "%,ld8.mov %0 = [%1], %2";
  else
    return "%,ld8 %0 = [%1]";
}
  [(set_attr "itanium_class" "ld")])
 
(define_insn_and_split "load_dtpmod"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (unspec:DI [(match_operand 1 "tls_symbolic_operand" "")]
                   UNSPEC_DTPMOD))]
  ""
  "#"
  "reload_completed"
  [(set (match_dup 0)
        (plus:DI (unspec:DI [(match_dup 1)] UNSPEC_LTOFF_DTPMOD)
                 (match_dup 2)))
   (set (match_dup 0) (match_dup 3))]
{
  operands[2] = pic_offset_table_rtx;
  operands[3] = gen_const_mem (DImode, operands[0]);
})
 
(define_insn "*load_ltoff_dtpmod"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (plus:DI (unspec:DI [(match_operand 1 "tls_symbolic_operand" "")]
                            UNSPEC_LTOFF_DTPMOD)
                 (match_operand:DI 2 "register_operand" "a")))]
  "reload_completed"
  "addl %0 = @ltoff(@dtpmod(%1)), %2"
  [(set_attr "itanium_class" "ialu")])
 
(define_expand "load_dtprel"
  [(set (match_operand:DI 0 "register_operand" "")
        (unspec:DI [(match_operand 1 "tls_symbolic_operand" "")]
                   UNSPEC_DTPREL))]
  ""
  "")
 
(define_insn "*load_dtprel64"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (unspec:DI [(match_operand 1 "ld_tls_symbolic_operand" "")]
                   UNSPEC_DTPREL))]
  "TARGET_TLS64"
  "movl %0 = @dtprel(%1)"
  [(set_attr "itanium_class" "long_i")])
 
(define_insn "*load_dtprel22"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (unspec:DI [(match_operand 1 "ld_tls_symbolic_operand" "")]
                   UNSPEC_DTPREL))]
  ""
  "addl %0 = @dtprel(%1), r0"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn_and_split "*load_dtprel_gd"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (unspec:DI [(match_operand 1 "tls_symbolic_operand" "")]
                   UNSPEC_DTPREL))]
  ""
  "#"
  "reload_completed"
  [(set (match_dup 0)
        (plus:DI (unspec:DI [(match_dup 1)] UNSPEC_LTOFF_DTPREL)
                 (match_dup 2)))
   (set (match_dup 0) (match_dup 3))]
{
  operands[2] = pic_offset_table_rtx;
  operands[3] = gen_const_mem (DImode, operands[0]);
})
 
(define_insn "*load_ltoff_dtprel"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (plus:DI (unspec:DI [(match_operand 1 "tls_symbolic_operand" "")]
                            UNSPEC_LTOFF_DTPREL)
                 (match_operand:DI 2 "register_operand" "a")))]
  ""
  "addl %0 = @ltoff(@dtprel(%1)), %2"
  [(set_attr "itanium_class" "ialu")])
 
(define_expand "add_dtprel"
  [(set (match_operand:DI 0 "register_operand" "")
        (plus:DI (unspec:DI [(match_operand 1 "ld_tls_symbolic_operand" "")]
                            UNSPEC_DTPREL)
                 (match_operand:DI 2 "register_operand" "")))]
  "!TARGET_TLS64"
  "")
 
(define_insn "*add_dtprel14"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (plus:DI (unspec:DI [(match_operand 1 "ld_tls_symbolic_operand" "")]
                            UNSPEC_DTPREL)
                 (match_operand:DI 2 "register_operand" "r")))]
  "TARGET_TLS14"
  "adds %0 = @dtprel(%1), %2"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*add_dtprel22"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (plus:DI (unspec:DI [(match_operand 1 "ld_tls_symbolic_operand" "")]
                            UNSPEC_DTPREL)
                 (match_operand:DI 2 "register_operand" "a")))]
  "TARGET_TLS22"
  "addl %0 = @dtprel(%1), %2"
  [(set_attr "itanium_class" "ialu")])
 
(define_expand "load_tprel"
  [(set (match_operand:DI 0 "register_operand" "")
        (unspec:DI [(match_operand 1 "tls_symbolic_operand" "")]
                   UNSPEC_TPREL))]
  ""
  "")
 
(define_insn "*load_tprel64"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (unspec:DI [(match_operand 1 "le_tls_symbolic_operand" "")]
                   UNSPEC_TPREL))]
  "TARGET_TLS64"
  "movl %0 = @tprel(%1)"
  [(set_attr "itanium_class" "long_i")])
 
(define_insn "*load_tprel22"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (unspec:DI [(match_operand 1 "le_tls_symbolic_operand" "")]
                   UNSPEC_TPREL))]
  ""
  "addl %0 = @tprel(%1), r0"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn_and_split "*load_tprel_ie"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (unspec:DI [(match_operand 1 "ie_tls_symbolic_operand" "")]
                   UNSPEC_TPREL))]
  ""
  "#"
  "reload_completed"
  [(set (match_dup 0)
        (plus:DI (unspec:DI [(match_dup 1)] UNSPEC_LTOFF_TPREL)
                 (match_dup 2)))
   (set (match_dup 0) (match_dup 3))]
{
  operands[2] = pic_offset_table_rtx;
  operands[3] = gen_const_mem (DImode, operands[0]);
})
 
(define_insn "*load_ltoff_tprel"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (plus:DI (unspec:DI [(match_operand 1 "ie_tls_symbolic_operand" "")]
                            UNSPEC_LTOFF_TPREL)
                 (match_operand:DI 2 "register_operand" "a")))]
  ""
  "addl %0 = @ltoff(@tprel(%1)), %2"
  [(set_attr "itanium_class" "ialu")])
 
(define_expand "add_tprel"
  [(set (match_operand:DI 0 "register_operand" "")
        (plus:DI (unspec:DI [(match_operand 1 "le_tls_symbolic_operand" "")]
                            UNSPEC_TPREL)
                 (match_operand:DI 2 "register_operand" "")))]
  "!TARGET_TLS64"
  "")
 
(define_insn "*add_tprel14"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (plus:DI (unspec:DI [(match_operand 1 "le_tls_symbolic_operand" "")]
                            UNSPEC_TPREL)
                 (match_operand:DI 2 "register_operand" "r")))]
  "TARGET_TLS14"
  "adds %0 = @tprel(%1), %2"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*add_tprel22"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (plus:DI (unspec:DI [(match_operand 1 "le_tls_symbolic_operand" "")]
                            UNSPEC_TPREL)
                 (match_operand:DI 2 "register_operand" "a")))]
  "TARGET_TLS22"
  "addl %0 = @tprel(%1), %2"
  [(set_attr "itanium_class" "ialu")])
 
;; With no offsettable memory references, we've got to have a scratch
;; around to play with the second word.  However, in order to avoid a
;; reload nightmare we lie, claim we don't need one, and fix it up
;; in ia64_split_tmode_move.
(define_expand "movti"
  [(set (match_operand:TI 0 "general_operand" "")
        (match_operand:TI 1 "general_operand" ""))]
  ""
{
  rtx op1 = ia64_expand_move (operands[0], operands[1]);
  if (!op1)
    DONE;
  operands[1] = op1;
})
 
(define_insn_and_split "movti_internal"
  [(set (match_operand:TI 0 "destination_operand" "=r,   *fm,*x,*f,  Q")
        (match_operand:TI 1 "general_operand"     "r*fim,r,  Q, *fOQ,*f"))]
  "ia64_move_ok (operands[0], operands[1])"
  "@
   #
   #
   ldfp8 %X0 = %1%P1
   #
   #"
  "reload_completed && !ia64_load_pair_ok(operands[0], operands[1])"
  [(const_int 0)]
{
  ia64_split_tmode_move (operands);
  DONE;
}
  [(set_attr "itanium_class" "unknown,unknown,fldp,unknown,unknown")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no,     no,     yes, no,     no")])
 
;; Floating Point Moves
;;
;; Note - Patterns for SF mode moves are compulsory, but
;; patterns for DF are optional, as GCC can synthesize them.
 
(define_expand "movsf"
  [(set (match_operand:SF 0 "general_operand" "")
        (match_operand:SF 1 "general_operand" ""))]
  ""
{
  rtx op1 = ia64_expand_move (operands[0], operands[1]);
  if (!op1)
    DONE;
  operands[1] = op1;
})
 
(define_insn "movsf_internal"
  [(set (match_operand:SF 0 "destination_operand" "=f,f, Q,*r, f,*r,*r, m,*r")
        (match_operand:SF 1 "general_operand"     "fG,Q,fG,fG,*r,*r, m,*r, F"))]
  "ia64_move_ok (operands[0], operands[1])"
  "@
   mov %0 = %F1
   ldfs %0 = %1%P1
   stfs %0 = %F1%P0
   getf.s %0 = %F1
   setf.s %0 = %1
   mov %0 = %1
   ld4%O1 %0 = %1%P1
   st4%Q0 %0 = %1%P0
   movl %0 = %G1"
  [(set_attr "itanium_class" "fmisc,fld,stf,frfr,tofr,ialu,ld,st,long_i")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no,   yes,no, no,  no,  no, yes,no,no")])
 
(define_expand "movdf"
  [(set (match_operand:DF 0 "general_operand" "")
        (match_operand:DF 1 "general_operand" ""))]
  ""
{
  rtx op1 = ia64_expand_move (operands[0], operands[1]);
  if (!op1)
    DONE;
  operands[1] = op1;
})
 
(define_insn "movdf_internal"
  [(set (match_operand:DF 0 "destination_operand" "=f,f, Q,*r, f,*r,*r, m,*r")
        (match_operand:DF 1 "general_operand"     "fG,Q,fG,fG,*r,*r, m,*r, F"))]
  "ia64_move_ok (operands[0], operands[1])"
  "@
   mov %0 = %F1
   ldfd %0 = %1%P1
   stfd %0 = %F1%P0
   getf.d %0 = %F1
   setf.d %0 = %1
   mov %0 = %1
   ld8%O1 %0 = %1%P1
   st8%Q0 %0 = %1%P0
   movl %0 = %G1"
  [(set_attr "itanium_class" "fmisc,fld,stf,frfr,tofr,ialu,ld,st,long_i")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no,   yes,no, no,  no,  no, yes,no,no")])
 
;; With no offsettable memory references, we've got to have a scratch
;; around to play with the second word if the variable winds up in GRs.
(define_expand "movxf"
  [(set (match_operand:XF 0 "general_operand" "")
        (match_operand:XF 1 "general_operand" ""))]
  ""
{
  if (ia64_expand_movxf_movrf (XFmode, operands))
    DONE;
})
 
;; ??? There's no easy way to mind volatile acquire/release semantics.
 
(define_insn "movxf_internal"
  [(set (match_operand:XF 0 "destination_operand" "=f,f, m")
        (match_operand:XF 1 "general_operand"     "fG,m,fG"))]
  "ia64_move_ok (operands[0], operands[1])"
  "@
   mov %0 = %F1
   ldfe %0 = %1%P1
   stfe %0 = %F1%P0"
  [(set_attr "itanium_class" "fmisc,fld,stf")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no,   yes,no")])
 
;; Same as for movxf, but for RFmode.
(define_expand "movrf"
  [(set (match_operand:RF 0 "general_operand" "")
        (match_operand:RF 1 "general_operand" ""))]
  ""
{
  if (ia64_expand_movxf_movrf (RFmode, operands))
    DONE;
})
 
(define_insn "*movrf_internal"
  [(set (match_operand:RF 0 "destination_operand" "=f,f, m")
        (match_operand:RF 1 "general_operand"     "fG,m,fG"))]
  "ia64_move_ok (operands[0], operands[1])"
  "@
   mov %0 = %F1
   ldf.fill %0 = %1%P1
   stf.spill %0 = %F1%P0"
  [(set_attr "itanium_class" "fmisc,fld,stf")])
 
;; Better code generation via insns that deal with TFmode register pairs
;; directly.  Same concerns apply as for TImode.
(define_expand "movtf"
  [(set (match_operand:TF 0 "general_operand" "")
        (match_operand:TF 1 "general_operand" ""))]
  ""
{
  rtx op1 = ia64_expand_move (operands[0], operands[1]);
  if (!op1)
    DONE;
  operands[1] = op1;
})
 
(define_insn_and_split "*movtf_internal"
  [(set (match_operand:TF 0 "destination_operand"  "=r,r,m")
        (match_operand:TF 1 "general_operand"      "ri,m,r"))]
  "ia64_move_ok (operands[0], operands[1])"
  "#"
  "reload_completed"
  [(const_int 0)]
{
  ia64_split_tmode_move (operands);
  DONE;
}
  [(set_attr "itanium_class" "unknown")
   (set_attr "predicable" "no")])
 
 
;; ::::::::::::::::::::
;; ::
;; :: Conversions
;; ::
;; ::::::::::::::::::::
 
;; Signed conversions from a smaller integer to a larger integer
 
(define_insn "extendqidi2"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (sign_extend:DI (match_operand:QI 1 "gr_register_operand" "r")))]
  ""
  "sxt1 %0 = %1"
  [(set_attr "itanium_class" "xtd")])
 
(define_insn "extendhidi2"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (sign_extend:DI (match_operand:HI 1 "gr_register_operand" "r")))]
  ""
  "sxt2 %0 = %1"
  [(set_attr "itanium_class" "xtd")])
 
(define_insn "extendsidi2"
  [(set (match_operand:DI 0 "grfr_register_operand" "=r,?f")
        (sign_extend:DI (match_operand:SI 1 "grfr_register_operand" "r,f")))]
  ""
  "@
   sxt4 %0 = %1
   fsxt.r %0 = %1, %1"
  [(set_attr "itanium_class" "xtd,fmisc")])
 
;; Unsigned conversions from a smaller integer to a larger integer
 
(define_insn "zero_extendqidi2"
  [(set (match_operand:DI 0 "gr_register_operand" "=r,r")
        (zero_extend:DI (match_operand:QI 1 "gr_nonimmediate_operand" "r,m")))]
  ""
  "@
   zxt1 %0 = %1
   ld1%O1 %0 = %1%P1"
  [(set_attr "itanium_class" "xtd,ld")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no, yes")])
 
(define_insn "zero_extendhidi2"
  [(set (match_operand:DI 0 "gr_register_operand" "=r,r")
        (zero_extend:DI (match_operand:HI 1 "gr_nonimmediate_operand" "r,m")))]
  ""
  "@
   zxt2 %0 = %1
   ld2%O1 %0 = %1%P1"
  [(set_attr "itanium_class" "xtd,ld")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no, yes")])
 
(define_insn "zero_extendsidi2"
  [(set (match_operand:DI 0 "grfr_register_operand" "=r,r,?f")
        (zero_extend:DI
          (match_operand:SI 1 "grfr_nonimmediate_operand" "r,m,f")))]
  ""
  "@
   addp4 %0 = %1, r0
   ld4%O1 %0 = %1%P1
   fmix.r %0 = f0, %1"
  [(set_attr "itanium_class" "ialu,ld,fmisc")
   (set_attr "speculable1"   "yes")
   (set_attr "speculable2"   "no, yes,no")])
 
;; Convert between floating point types of different sizes.
 
;; At first glance, it would appear that emitting fnorm for an extending
;; conversion is unnecessary.  However, the stf and getf instructions work
;; correctly only if the input is properly rounded for its type.  In
;; particular, we get the wrong result for getf.d/stfd if the input is a
;; denorm single.  Since we don't know what the next instruction will be, we
;; have to emit an fnorm.
 
;; ??? Optimization opportunity here.  Get rid of the insn altogether
;; when we can.  Should probably use a scheme like has been proposed
;; for ia32 in dealing with operands that match unary operators.  This
;; would let combine merge the thing into adjacent insns.  See also how the
;; mips port handles SIGN_EXTEND as operands to integer arithmetic insns via
;; se_register_operand.
 
(define_insn "extendsfdf2"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (float_extend:DF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fnorm.d %0 = %F1"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "extendsfxf2"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (float_extend:XF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fnorm %0 = %F1"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "extenddfxf2"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (float_extend:XF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fnorm %0 = %F1"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "truncdfsf2"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fnorm.s %0 = %F1"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "truncxfsf2"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF (match_operand:XF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fnorm.s %0 = %F1"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "truncxfdf2"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (float_truncate:DF (match_operand:XF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fnorm.d %0 = %F1"
  [(set_attr "itanium_class" "fmac")])
 
;; Convert between signed integer types and floating point.
 
(define_insn "floatdirf2"
  [(set (match_operand:RF 0 "fr_register_operand" "=f")
        (float:RF (match_operand:DI 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.xf %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "floatdixf2"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (float:XF (match_operand:DI 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.xf %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "fix_truncsfdi2"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (fix:DI (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.fx.trunc %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "fix_truncdfdi2"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (fix:DI (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.fx.trunc %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "fix_truncxfdi2"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (fix:DI (match_operand:XF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.fx.trunc %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "fix_truncrfdi2"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (fix:DI (match_operand:RF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.fx.trunc %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
;; Convert between unsigned integer types and floating point.
 
(define_insn "floatunsdisf2"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (unsigned_float:SF (match_operand:DI 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.xuf.s %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "floatunsdidf2"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (unsigned_float:DF (match_operand:DI 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.xuf.d %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "floatunsdixf2"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (unsigned_float:XF (match_operand:DI 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.xuf %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "floatunsdirf2"
  [(set (match_operand:RF 0 "fr_register_operand" "=f")
        (unsigned_float:RF (match_operand:DI 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.xuf %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "fixuns_truncsfdi2"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (unsigned_fix:DI (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.fxu.trunc %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "fixuns_truncdfdi2"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (unsigned_fix:DI (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.fxu.trunc %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "fixuns_truncxfdi2"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (unsigned_fix:DI (match_operand:XF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.fxu.trunc %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
(define_insn "fixuns_truncrfdi2"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (unsigned_fix:DI (match_operand:RF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fcvt.fxu.trunc %0 = %F1"
  [(set_attr "itanium_class" "fcvtfx")])
 
;; ::::::::::::::::::::
;; ::
;; :: Bit field extraction
;; ::
;; ::::::::::::::::::::
 
(define_insn "extv"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (sign_extract:DI (match_operand:DI 1 "gr_register_operand" "r")
                         (match_operand:DI 2 "extr_len_operand" "n")
                         (match_operand:DI 3 "shift_count_operand" "M")))]
  ""
  "extr %0 = %1, %3, %2"
  [(set_attr "itanium_class" "ishf")])
 
(define_insn "extzv"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (zero_extract:DI (match_operand:DI 1 "gr_register_operand" "r")
                         (match_operand:DI 2 "extr_len_operand" "n")
                         (match_operand:DI 3 "shift_count_operand" "M")))]
  ""
  "extr.u %0 = %1, %3, %2"
  [(set_attr "itanium_class" "ishf")])
 
;; Insert a bit field.
;; Can have 3 operands, source1 (inserter), source2 (insertee), dest.
;; Source1 can be 0 or -1.
;; Source2 can be 0.
 
;; ??? Actual dep instruction is more powerful than what these insv
;; patterns support.  Unfortunately, combine is unable to create patterns
;; where source2 != dest.
 
(define_expand "insv"
  [(set (zero_extract:DI (match_operand:DI 0 "gr_register_operand" "")
                         (match_operand:DI 1 "const_int_operand" "")
                         (match_operand:DI 2 "const_int_operand" ""))
        (match_operand:DI 3 "nonmemory_operand" ""))]
  ""
{
  int width = INTVAL (operands[1]);
  int shift = INTVAL (operands[2]);
 
  /* If operand[3] is a constant, and isn't 0 or -1, then load it into a
     pseudo.  */
  if (! register_operand (operands[3], DImode)
      && operands[3] != const0_rtx && operands[3] != constm1_rtx)
    operands[3] = force_reg (DImode, operands[3]);
 
  /* If this is a single dep instruction, we have nothing to do.  */
  if (! ((register_operand (operands[3], DImode) && width <= 16)
         || operands[3] == const0_rtx || operands[3] == constm1_rtx))
    {
      /* Check for cases that can be implemented with a mix instruction.  */
      if (width == 32 && shift == 0)
        {
          /* Directly generating the mix4left instruction confuses
             optimize_bit_field in function.c.  Since this is performing
             a useful optimization, we defer generation of the complicated
             mix4left RTL to the first splitting phase.  */
          rtx tmp = gen_reg_rtx (DImode);
          emit_insn (gen_shift_mix4left (operands[0], operands[3], tmp));
          DONE;
        }
      else if (width == 32 && shift == 32)
        {
          emit_insn (gen_mix4right (operands[0], operands[3]));
          DONE;
        }
 
      /* We could handle remaining cases by emitting multiple dep
         instructions.
 
         If we need more than two dep instructions then we lose.  A 6
         insn sequence mov mask1,mov mask2,shl;;and,and;;or is better than
         mov;;dep,shr;;dep,shr;;dep.  The former can be executed in 3 cycles,
         the latter is 6 cycles on an Itanium (TM) processor, because there is
         only one function unit that can execute dep and shr immed.
 
         If we only need two dep instruction, then we still lose.
         mov;;dep,shr;;dep is still 4 cycles.  Even if we optimize away
         the unnecessary mov, this is still undesirable because it will be
         hard to optimize, and it creates unnecessary pressure on the I0
         function unit.  */
 
      FAIL;
 
#if 0
      /* This code may be useful for other IA-64 processors, so we leave it in
         for now.  */
      while (width > 16)
        {
          rtx tmp;
 
          emit_insn (gen_insv (operands[0], GEN_INT (16), GEN_INT (shift),
                               operands[3]));
          shift += 16;
          width -= 16;
          tmp = gen_reg_rtx (DImode);
          emit_insn (gen_lshrdi3 (tmp, operands[3], GEN_INT (16)));
          operands[3] = tmp;
        }
      operands[1] = GEN_INT (width);
      operands[2] = GEN_INT (shift);
#endif
    }
})
 
(define_insn "*insv_internal"
  [(set (zero_extract:DI (match_operand:DI 0 "gr_register_operand" "+r")
                         (match_operand:DI 1 "const_int_operand" "n")
                         (match_operand:DI 2 "const_int_operand" "n"))
        (match_operand:DI 3 "nonmemory_operand" "rP"))]
  "(gr_register_operand (operands[3], DImode) && INTVAL (operands[1]) <= 16)
   || operands[3] == const0_rtx || operands[3] == constm1_rtx"
  "dep %0 = %3, %0, %2, %1"
  [(set_attr "itanium_class" "ishf")])
 
;; Combine doesn't like to create bit-field insertions into zero.
(define_insn "*shladdp4_internal"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (and:DI (ashift:DI (match_operand:DI 1 "gr_register_operand" "r")
                           (match_operand:DI 2 "shladd_log2_operand" "n"))
                (match_operand:DI 3 "const_int_operand" "n")))]
  "ia64_depz_field_mask (operands[3], operands[2]) + INTVAL (operands[2]) == 32"
  "shladdp4 %0 = %1, %2, r0"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*depz_internal"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (and:DI (ashift:DI (match_operand:DI 1 "gr_register_operand" "r")
                           (match_operand:DI 2 "const_int_operand" "M"))
                (match_operand:DI 3 "const_int_operand" "n")))]
  "satisfies_constraint_M (operands[2])
   && ia64_depz_field_mask (operands[3], operands[2]) > 0"
{
  operands[3] = GEN_INT (ia64_depz_field_mask (operands[3], operands[2]));
  return "%,dep.z %0 = %1, %2, %3";
}
  [(set_attr "itanium_class" "ishf")])
 
(define_insn "shift_mix4left"
  [(set (zero_extract:DI (match_operand:DI 0 "gr_register_operand" "+r")
                         (const_int 32) (const_int 0))
        (match_operand:DI 1 "gr_register_operand" "r"))
   (clobber (match_operand:DI 2 "gr_register_operand" "=r"))]
  ""
  "#"
  [(set_attr "itanium_class" "unknown")])
 
(define_split
  [(set (zero_extract:DI (match_operand:DI 0 "register_operand" "")
                         (const_int 32) (const_int 0))
        (match_operand:DI 1 "register_operand" ""))
   (clobber (match_operand:DI 2 "register_operand" ""))]
  ""
  [(set (match_dup 3) (ashift:DI (match_dup 1) (const_int 32)))
   (set (zero_extract:DI (match_dup 0) (const_int 32) (const_int 0))
        (lshiftrt:DI (match_dup 3) (const_int 32)))]
  "operands[3] = operands[2];")
 
(define_insn "*mix4left"
  [(set (zero_extract:DI (match_operand:DI 0 "gr_register_operand" "+r")
                         (const_int 32) (const_int 0))
        (lshiftrt:DI (match_operand:DI 1 "gr_register_operand" "r")
                     (const_int 32)))]
  ""
  "mix4.l %0 = %0, %r1"
  [(set_attr "itanium_class" "mmshf")])
 
(define_insn "mix4right"
  [(set (zero_extract:DI (match_operand:DI 0 "gr_register_operand" "+r")
                         (const_int 32) (const_int 32))
        (match_operand:DI 1 "gr_reg_or_0_operand" "rO"))]
  ""
  "mix4.r %0 = %r1, %0"
  [(set_attr "itanium_class" "mmshf")])
 
;; This is used by the rotrsi3 pattern.
 
(define_insn "*mix4right_3op"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (ior:DI (zero_extend:DI (match_operand:SI 1 "gr_register_operand" "r"))
                (ashift:DI (zero_extend:DI
                             (match_operand:SI 2 "gr_register_operand" "r"))
                           (const_int 32))))]
  ""
  "mix4.r %0 = %2, %1"
  [(set_attr "itanium_class" "mmshf")])
 
 
;; ::::::::::::::::::::
;; ::
;; :: 1-bit Integer arithmetic
;; ::
;; ::::::::::::::::::::
 
(define_insn_and_split "andbi3"
  [(set (match_operand:BI 0 "register_operand" "=c,c,r")
        (and:BI (match_operand:BI 1 "register_operand" "%0,0,r")
                (match_operand:BI 2 "register_operand" "c,r,r")))]
  ""
  "@
   #
   tbit.nz.and.orcm %0, %I0 = %2, 0
   and %0 = %2, %1"
  "reload_completed
   && GET_CODE (operands[0]) == REG && PR_REGNO_P (REGNO (operands[0]))
   && GET_CODE (operands[2]) == REG && PR_REGNO_P (REGNO (operands[2]))"
  [(cond_exec (eq (match_dup 2) (const_int 0))
     (set (match_dup 0) (and:BI (ne:BI (const_int 0) (const_int 0))
                                (match_dup 0))))]
  ""
  [(set_attr "itanium_class" "unknown,tbit,ilog")])
 
(define_insn_and_split "*andcmbi3"
  [(set (match_operand:BI 0 "register_operand" "=c,c,r")
        (and:BI (not:BI (match_operand:BI 1 "register_operand" "c,r,r"))
                (match_operand:BI 2 "register_operand" "0,0,r")))]
  ""
  "@
   #
   tbit.z.and.orcm %0, %I0 = %1, 0
   andcm %0 = %2, %1"
  "reload_completed
   && GET_CODE (operands[0]) == REG && PR_REGNO_P (REGNO (operands[0]))
   && GET_CODE (operands[1]) == REG && PR_REGNO_P (REGNO (operands[1]))"
  [(cond_exec (ne (match_dup 1) (const_int 0))
     (set (match_dup 0) (and:BI (ne:BI (const_int 0) (const_int 0))
                                (match_dup 0))))]
  ""
  [(set_attr "itanium_class" "unknown,tbit,ilog")])
 
(define_insn_and_split "iorbi3"
  [(set (match_operand:BI 0 "register_operand" "=c,c,r")
        (ior:BI (match_operand:BI 1 "register_operand" "%0,0,r")
                (match_operand:BI 2 "register_operand" "c,r,r")))]
  ""
  "@
   #
   tbit.nz.or.andcm %0, %I0 = %2, 0
   or %0 = %2, %1"
  "reload_completed
   && GET_CODE (operands[0]) == REG && PR_REGNO_P (REGNO (operands[0]))
   && GET_CODE (operands[2]) == REG && PR_REGNO_P (REGNO (operands[2]))"
  [(cond_exec (ne (match_dup 2) (const_int 0))
     (set (match_dup 0) (ior:BI (eq:BI (const_int 0) (const_int 0))
                                (match_dup 0))))]
  ""
  [(set_attr "itanium_class" "unknown,tbit,ilog")])
 
(define_insn_and_split "*iorcmbi3"
  [(set (match_operand:BI 0 "register_operand" "=c,c")
        (ior:BI (not:BI (match_operand:BI 1 "register_operand" "c,r"))
                (match_operand:BI 2 "register_operand" "0,0")))]
  ""
  "@
   #
   tbit.z.or.andcm %0, %I0 = %1, 0"
  "reload_completed
   && GET_CODE (operands[0]) == REG && PR_REGNO_P (REGNO (operands[0]))
   && GET_CODE (operands[1]) == REG && PR_REGNO_P (REGNO (operands[1]))"
  [(cond_exec (eq (match_dup 1) (const_int 0))
     (set (match_dup 0) (ior:BI (eq:BI (const_int 0) (const_int 0))
                                (match_dup 0))))]
  ""
  [(set_attr "itanium_class" "unknown,tbit")])
 
(define_insn "one_cmplbi2"
  [(set (match_operand:BI 0 "register_operand" "=c,r,c,&c")
        (not:BI (match_operand:BI 1 "register_operand" "r,r,0,c")))
   (clobber (match_scratch:BI 2 "=X,X,c,X"))]
  ""
  "@
   tbit.z %0, %I0 = %1, 0
   xor %0 = 1, %1
   #
   #"
  [(set_attr "itanium_class" "tbit,ilog,unknown,unknown")])
 
(define_split
  [(set (match_operand:BI 0 "register_operand" "")
        (not:BI (match_operand:BI 1 "register_operand" "")))
   (clobber (match_scratch:BI 2 ""))]
  "reload_completed
   && GET_CODE (operands[0]) == REG && PR_REGNO_P (REGNO (operands[0]))
   && rtx_equal_p (operands[0], operands[1])"
  [(set (match_dup 4) (match_dup 3))
   (set (match_dup 0) (const_int 1))
   (cond_exec (ne (match_dup 2) (const_int 0))
     (set (match_dup 0) (const_int 0)))
   (set (match_dup 0) (unspec:BI [(match_dup 0)] UNSPEC_PRED_REL_MUTEX))]
  "operands[3] = gen_rtx_REG (CCImode, REGNO (operands[1]));
   operands[4] = gen_rtx_REG (CCImode, REGNO (operands[2]));")
 
(define_split
  [(set (match_operand:BI 0 "register_operand" "")
        (not:BI (match_operand:BI 1 "register_operand" "")))
   (clobber (match_scratch:BI 2 ""))]
  "reload_completed
   && GET_CODE (operands[0]) == REG && PR_REGNO_P (REGNO (operands[0]))
   && GET_CODE (operands[1]) == REG && PR_REGNO_P (REGNO (operands[1]))
   && ! rtx_equal_p (operands[0], operands[1])"
  [(cond_exec (ne (match_dup 1) (const_int 0))
     (set (match_dup 0) (const_int 0)))
   (cond_exec (eq (match_dup 1) (const_int 0))
     (set (match_dup 0) (const_int 1)))
   (set (match_dup 0) (unspec:BI [(match_dup 0)] UNSPEC_PRED_REL_MUTEX))]
  "")
 
(define_insn "*cmpsi_and_0"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (match_operator:BI 4 "predicate_operator"
                  [(match_operand:SI 2 "gr_reg_or_0_operand" "rO")
                   (match_operand:SI 3 "gr_reg_or_8bit_operand" "rK")])
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp4.%C4.and.orcm %0, %I0 = %3, %r2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpsi_and_1"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (match_operator:BI 3 "signed_inequality_operator"
                  [(match_operand:SI 2 "gr_register_operand" "r")
                   (const_int 0)])
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp4.%C3.and.orcm %0, %I0 = r0, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpsi_andnot_0"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (not:BI (match_operator:BI 4 "predicate_operator"
                         [(match_operand:SI 2 "gr_reg_or_0_operand" "rO")
                          (match_operand:SI 3 "gr_reg_or_8bit_operand" "rK")]))
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp4.%C4.or.andcm %I0, %0 = %3, %r2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpsi_andnot_1"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (not:BI (match_operator:BI 3 "signed_inequality_operator"
                          [(match_operand:SI 2 "gr_register_operand" "r")
                           (const_int 0)]))
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp4.%C3.or.andcm %I0, %0 = r0, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpdi_and_0"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (match_operator:BI 4 "predicate_operator"
                  [(match_operand:DI 2 "gr_register_operand" "r")
                   (match_operand:DI 3 "gr_reg_or_8bit_operand" "rK")])
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp.%C4.and.orcm %0, %I0 = %3, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpdi_and_1"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (match_operator:BI 3 "signed_inequality_operator"
                  [(match_operand:DI 2 "gr_register_operand" "r")
                   (const_int 0)])
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp.%C3.and.orcm %0, %I0 = r0, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpdi_andnot_0"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (not:BI (match_operator:BI 4 "predicate_operator"
                         [(match_operand:DI 2 "gr_register_operand" "r")
                          (match_operand:DI 3 "gr_reg_or_8bit_operand" "rK")]))
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp.%C4.or.andcm %I0, %0 = %3, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpdi_andnot_1"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (not:BI (match_operator:BI 3 "signed_inequality_operator"
                          [(match_operand:DI 2 "gr_register_operand" "r")
                           (const_int 0)]))
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp.%C3.or.andcm %I0, %0 = r0, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*tbit_and_0"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (ne:BI (and:DI (match_operand:DI 1 "gr_register_operand" "r")
                               (const_int 1))
                       (const_int 0))
                (match_operand:BI 2 "register_operand" "0")))]
  ""
  "tbit.nz.and.orcm %0, %I0 = %1, 0"
  [(set_attr "itanium_class" "tbit")])
 
(define_insn "*tbit_and_1"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (eq:BI (and:DI (match_operand:DI 1 "gr_register_operand" "r")
                               (const_int 1))
                       (const_int 0))
                (match_operand:BI 2 "register_operand" "0")))]
  ""
  "tbit.z.and.orcm %0, %I0 = %1, 0"
  [(set_attr "itanium_class" "tbit")])
 
(define_insn "*tbit_and_2"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (ne:BI (zero_extract:DI
                         (match_operand:DI 1 "gr_register_operand" "r")
                         (const_int 1)
                         (match_operand:DI 2 "shift_count_operand" "M"))
                       (const_int 0))
                (match_operand:BI 3 "register_operand" "0")))]
  ""
  "tbit.nz.and.orcm %0, %I0 = %1, %2"
  [(set_attr "itanium_class" "tbit")])
 
(define_insn "*tbit_and_3"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (and:BI (eq:BI (zero_extract:DI
                         (match_operand:DI 1 "gr_register_operand" "r")
                         (const_int 1)
                         (match_operand:DI 2 "shift_count_operand" "M"))
                       (const_int 0))
                (match_operand:BI 3 "register_operand" "0")))]
  ""
  "tbit.z.and.orcm %0, %I0 = %1, %2"
  [(set_attr "itanium_class" "tbit")])
 
(define_insn "*cmpsi_or_0"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (match_operator:BI 4 "predicate_operator"
                  [(match_operand:SI 2 "gr_reg_or_0_operand" "rO")
                   (match_operand:SI 3 "gr_reg_or_8bit_operand" "rK")])
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp4.%C4.or.andcm %0, %I0 = %3, %r2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpsi_or_1"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (match_operator:BI 3 "signed_inequality_operator"
                  [(match_operand:SI 2 "gr_register_operand" "r")
                   (const_int 0)])
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp4.%C3.or.andcm %0, %I0 = r0, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpsi_orcm_0"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (not:BI (match_operator:BI 4 "predicate_operator"
                         [(match_operand:SI 2 "gr_reg_or_0_operand" "rO")
                          (match_operand:SI 3 "gr_reg_or_8bit_operand" "rK")]))
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp4.%C4.and.orcm %I0, %0 = %3, %r2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpsi_orcm_1"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (not:BI (match_operator:BI 3 "signed_inequality_operator"
                          [(match_operand:SI 2 "gr_register_operand" "r")
                           (const_int 0)]))
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp4.%C3.and.orcm %I0, %0 = r0, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpdi_or_0"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (match_operator:BI 4 "predicate_operator"
                  [(match_operand:DI 2 "gr_register_operand" "r")
                   (match_operand:DI 3 "gr_reg_or_8bit_operand" "rK")])
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp.%C4.or.andcm %0, %I0 = %3, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpdi_or_1"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (match_operator:BI 3 "signed_inequality_operator"
                  [(match_operand:DI 2 "gr_register_operand" "r")
                   (const_int 0)])
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp.%C3.or.andcm %0, %I0 = r0, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpdi_orcm_0"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (not:BI (match_operator:BI 4 "predicate_operator"
                         [(match_operand:DI 2 "gr_register_operand" "r")
                          (match_operand:DI 3 "gr_reg_or_8bit_operand" "rK")]))
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp.%C4.and.orcm %I0, %0 = %3, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpdi_orcm_1"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (not:BI (match_operator:BI 3 "signed_inequality_operator"
                          [(match_operand:DI 2 "gr_register_operand" "r")
                           (const_int 0)]))
                (match_operand:BI 1 "register_operand" "0")))]
  ""
  "cmp.%C3.and.orcm %I0, %0 = r0, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*tbit_or_0"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (ne:BI (and:DI (match_operand:DI 1 "gr_register_operand" "r")
                               (const_int 1))
                       (const_int 0))
                (match_operand:BI 2 "register_operand" "0")))]
  ""
  "tbit.nz.or.andcm %0, %I0 = %1, 0"
  [(set_attr "itanium_class" "tbit")])
 
(define_insn "*tbit_or_1"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (eq:BI (and:DI (match_operand:DI 1 "gr_register_operand" "r")
                               (const_int 1))
                       (const_int 0))
                (match_operand:BI 2 "register_operand" "0")))]
  ""
  "tbit.z.or.andcm %0, %I0 = %1, 0"
  [(set_attr "itanium_class" "tbit")])
 
(define_insn "*tbit_or_2"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (ne:BI (zero_extract:DI
                         (match_operand:DI 1 "gr_register_operand" "r")
                         (const_int 1)
                         (match_operand:DI 2 "shift_count_operand" "M"))
                       (const_int 0))
                (match_operand:BI 3 "register_operand" "0")))]
  ""
  "tbit.nz.or.andcm %0, %I0 = %1, %2"
  [(set_attr "itanium_class" "tbit")])
 
(define_insn "*tbit_or_3"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ior:BI (eq:BI (zero_extract:DI
                         (match_operand:DI 1 "gr_register_operand" "r")
                         (const_int 1)
                         (match_operand:DI 2 "shift_count_operand" "M"))
                       (const_int 0))
                (match_operand:BI 3 "register_operand" "0")))]
  ""
  "tbit.z.or.andcm %0, %I0 = %1, %2"
  [(set_attr "itanium_class" "tbit")])
 
;; Transform test of and/or of setcc into parallel comparisons.
 
(define_split
  [(set (match_operand:BI 0 "register_operand" "")
        (ne:BI (and:DI (ne:DI (match_operand:BI 2 "register_operand" "")
                              (const_int 0))
                       (match_operand:DI 3 "register_operand" ""))
               (const_int 0)))]
  ""
  [(set (match_dup 0)
        (and:BI (ne:BI (and:DI (match_dup 3) (const_int 1)) (const_int 0))
                (match_dup 2)))]
  "")
 
(define_split
  [(set (match_operand:BI 0 "register_operand" "")
        (eq:BI (and:DI (ne:DI (match_operand:BI 2 "register_operand" "")
                              (const_int 0))
                       (match_operand:DI 3 "register_operand" ""))
               (const_int 0)))]
  ""
  [(set (match_dup 0)
        (and:BI (ne:BI (and:DI (match_dup 3) (const_int 1)) (const_int 0))
                (match_dup 2)))
   (parallel [(set (match_dup 0) (not:BI (match_dup 0)))
              (clobber (scratch))])]
  "")
 
(define_split
  [(set (match_operand:BI 0 "register_operand" "")
        (ne:BI (ior:DI (ne:DI (match_operand:BI 2 "register_operand" "")
                              (const_int 0))
                       (match_operand:DI 3 "register_operand" ""))
               (const_int 0)))]
  ""
  [(set (match_dup 0)
        (ior:BI (ne:BI (match_dup 3) (const_int 0))
                (match_dup 2)))]
  "")
 
(define_split
  [(set (match_operand:BI 0 "register_operand" "")
        (eq:BI (ior:DI (ne:DI (match_operand:BI 2 "register_operand" "")
                              (const_int 0))
                       (match_operand:DI 3 "register_operand" ""))
               (const_int 0)))]
  ""
  [(set (match_dup 0)
        (ior:BI (ne:BI (match_dup 3) (const_int 0))
                (match_dup 2)))
   (parallel [(set (match_dup 0) (not:BI (match_dup 0)))
              (clobber (scratch))])]
  "")
 
;; ??? Incredibly hackish.  Either need four proper patterns with all
;; the alternatives, or rely on sched1 to split the insn and hope that
;; nothing bad happens to the comparisons in the meantime.
;;
;; Alternately, adjust combine to allow 2->2 and 3->3 splits, assuming
;; that we're doing height reduction.
;
;(define_insn_and_split ""
;  [(set (match_operand:BI 0 "register_operand" "=c")
;       (and:BI (and:BI (match_operator:BI 1 "comparison_operator"
;                         [(match_operand 2 "" "")
;                          (match_operand 3 "" "")])
;                       (match_operator:BI 4 "comparison_operator"
;                         [(match_operand 5 "" "")
;                          (match_operand 6 "" "")]))
;               (match_dup 0)))]
;  "flag_schedule_insns"
;  "#"
;  ""
;  [(set (match_dup 0) (and:BI (match_dup 1) (match_dup 0)))
;   (set (match_dup 0) (and:BI (match_dup 4) (match_dup 0)))]
;  "")
;
;(define_insn_and_split ""
;  [(set (match_operand:BI 0 "register_operand" "=c")
;       (ior:BI (ior:BI (match_operator:BI 1 "comparison_operator"
;                         [(match_operand 2 "" "")
;                          (match_operand 3 "" "")])
;                       (match_operator:BI 4 "comparison_operator"
;                         [(match_operand 5 "" "")
;                          (match_operand 6 "" "")]))
;               (match_dup 0)))]
;  "flag_schedule_insns"
;  "#"
;  ""
;  [(set (match_dup 0) (ior:BI (match_dup 1) (match_dup 0)))
;   (set (match_dup 0) (ior:BI (match_dup 4) (match_dup 0)))]
;  "")
;
;(define_split
;  [(set (match_operand:BI 0 "register_operand" "")
;       (and:BI (and:BI (match_operator:BI 1 "comparison_operator"
;                         [(match_operand 2 "" "")
;                          (match_operand 3 "" "")])
;                       (match_operand:BI 7 "register_operand" ""))
;               (and:BI (match_operator:BI 4 "comparison_operator"
;                         [(match_operand 5 "" "")
;                          (match_operand 6 "" "")])
;                       (match_operand:BI 8 "register_operand" ""))))]
;  ""
;  [(set (match_dup 0) (and:BI (match_dup 7) (match_dup 8)))
;   (set (match_dup 0) (and:BI (and:BI (match_dup 1) (match_dup 4))
;                             (match_dup 0)))]
;  "")
;
;(define_split
;  [(set (match_operand:BI 0 "register_operand" "")
;       (ior:BI (ior:BI (match_operator:BI 1 "comparison_operator"
;                         [(match_operand 2 "" "")
;                          (match_operand 3 "" "")])
;                       (match_operand:BI 7 "register_operand" ""))
;               (ior:BI (match_operator:BI 4 "comparison_operator"
;                         [(match_operand 5 "" "")
;                          (match_operand 6 "" "")])
;                       (match_operand:BI 8 "register_operand" ""))))]
;  ""
;  [(set (match_dup 0) (ior:BI (match_dup 7) (match_dup 8)))
;   (set (match_dup 0) (ior:BI (ior:BI (match_dup 1) (match_dup 4))
;                             (match_dup 0)))]
;  "")
 
;; Try harder to avoid predicate copies by duplicating compares.
;; Note that we'll have already split the predicate copy, which
;; is kind of a pain, but oh well.
 
(define_peephole2
  [(set (match_operand:BI 0 "register_operand" "")
        (match_operand:BI 1 "comparison_operator" ""))
   (set (match_operand:CCI 2 "register_operand" "")
        (match_operand:CCI 3 "register_operand" ""))
   (set (match_operand:CCI 4 "register_operand" "")
        (match_operand:CCI 5 "register_operand" ""))
   (set (match_operand:BI 6 "register_operand" "")
        (unspec:BI [(match_dup 6)] UNSPEC_PRED_REL_MUTEX))]
  "REGNO (operands[3]) == REGNO (operands[0])
   && REGNO (operands[4]) == REGNO (operands[0]) + 1
   && REGNO (operands[4]) == REGNO (operands[2]) + 1
   && REGNO (operands[6]) == REGNO (operands[2])"
  [(set (match_dup 0) (match_dup 1))
   (set (match_dup 6) (match_dup 7))]
  "operands[7] = copy_rtx (operands[1]);")
 
;; ::::::::::::::::::::
;; ::
;; :: 16-bit Integer arithmetic
;; ::
;; ::::::::::::::::::::
 
(define_insn "mulhi3"
  [(set (match_operand:HI 0 "gr_register_operand" "=r")
        (mult:HI (match_operand:HI 1 "gr_register_operand" "r")
                 (match_operand:HI 2 "gr_register_operand" "r")))]
  ""
  "pmpy2.r %0 = %1, %2"
  [(set_attr "itanium_class" "mmmul")])
 
 
;; ::::::::::::::::::::
;; ::
;; :: 32-bit Integer arithmetic
;; ::
;; ::::::::::::::::::::
 
(define_insn "addsi3"
  [(set (match_operand:SI 0 "gr_register_operand" "=r,r,r")
        (plus:SI (match_operand:SI 1 "gr_register_operand" "%r,r,a")
                 (match_operand:SI 2 "gr_reg_or_22bit_operand" "r,I,J")))]
  ""
  "@
   add %0 = %1, %2
   adds %0 = %2, %1
   addl %0 = %2, %1"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*addsi3_plus1"
  [(set (match_operand:SI 0 "gr_register_operand" "=r")
        (plus:SI (plus:SI (match_operand:SI 1 "gr_register_operand" "r")
                          (match_operand:SI 2 "gr_register_operand" "r"))
                 (const_int 1)))]
  ""
  "add %0 = %1, %2, 1"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*addsi3_plus1_alt"
  [(set (match_operand:SI 0 "gr_register_operand" "=r")
        (plus:SI (mult:SI (match_operand:SI 1 "gr_register_operand" "r")
                          (const_int 2))
                 (const_int 1)))]
  ""
  "add %0 = %1, %1, 1"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*addsi3_shladd"
  [(set (match_operand:SI 0 "gr_register_operand" "=r")
        (plus:SI (mult:SI (match_operand:SI 1 "gr_register_operand" "r")
                          (match_operand:SI 2 "shladd_operand" "n"))
                 (match_operand:SI 3 "gr_register_operand" "r")))]
  ""
  "shladd %0 = %1, %S2, %3"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "subsi3"
  [(set (match_operand:SI 0 "gr_register_operand" "=r")
        (minus:SI (match_operand:SI 1 "gr_reg_or_8bit_operand" "rK")
                  (match_operand:SI 2 "gr_register_operand" "r")))]
  ""
  "sub %0 = %1, %2"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*subsi3_minus1"
  [(set (match_operand:SI 0 "gr_register_operand" "=r")
        (plus:SI (not:SI (match_operand:SI 1 "gr_register_operand" "r"))
                 (match_operand:SI 2 "gr_register_operand" "r")))]
  ""
  "sub %0 = %2, %1, 1"
  [(set_attr "itanium_class" "ialu")])
 
;; ??? Could add maddsi3 patterns patterned after the madddi3 patterns.
 
(define_insn "mulsi3"
  [(set (match_operand:SI 0 "fr_register_operand" "=f")
        (mult:SI (match_operand:SI 1 "grfr_register_operand" "f")
                 (match_operand:SI 2 "grfr_register_operand" "f")))]
  ""
  "xmpy.l %0 = %1, %2"
  [(set_attr "itanium_class" "xmpy")])
 
(define_insn "maddsi4"
  [(set (match_operand:SI 0 "fr_register_operand" "=f")
        (plus:SI (mult:SI (match_operand:SI 1 "grfr_register_operand" "f")
                          (match_operand:SI 2 "grfr_register_operand" "f"))
                 (match_operand:SI 3 "grfr_register_operand" "f")))]
  ""
  "xma.l %0 = %1, %2, %3"
  [(set_attr "itanium_class" "xmpy")])
 
(define_insn "negsi2"
  [(set (match_operand:SI 0 "gr_register_operand" "=r")
        (neg:SI (match_operand:SI 1 "gr_register_operand" "r")))]
  ""
  "sub %0 = r0, %1"
  [(set_attr "itanium_class" "ialu")])
 
(define_expand "abssi2"
  [(set (match_dup 2)
        (ge:BI (match_operand:SI 1 "gr_register_operand" "") (const_int 0)))
   (set (match_operand:SI 0 "gr_register_operand" "")
        (if_then_else:SI (eq (match_dup 2) (const_int 0))
                         (neg:SI (match_dup 1))
                         (match_dup 1)))]
  ""
  { operands[2] = gen_reg_rtx (BImode); })
 
(define_expand "sminsi3"
  [(set (match_dup 3)
        (ge:BI (match_operand:SI 1 "gr_register_operand" "")
               (match_operand:SI 2 "gr_register_operand" "")))
   (set (match_operand:SI 0 "gr_register_operand" "")
        (if_then_else:SI (ne (match_dup 3) (const_int 0))
                         (match_dup 2) (match_dup 1)))]
  ""
  { operands[3] = gen_reg_rtx (BImode); })
 
(define_expand "smaxsi3"
  [(set (match_dup 3)
        (ge:BI (match_operand:SI 1 "gr_register_operand" "")
               (match_operand:SI 2 "gr_register_operand" "")))
   (set (match_operand:SI 0 "gr_register_operand" "")
        (if_then_else:SI (ne (match_dup 3) (const_int 0))
                         (match_dup 1) (match_dup 2)))]
  ""
  { operands[3] = gen_reg_rtx (BImode); })
 
(define_expand "uminsi3"
  [(set (match_dup 3)
        (geu:BI (match_operand:SI 1 "gr_register_operand" "")
                (match_operand:SI 2 "gr_register_operand" "")))
   (set (match_operand:SI 0 "gr_register_operand" "")
        (if_then_else:SI (ne (match_dup 3) (const_int 0))
                         (match_dup 2) (match_dup 1)))]
  ""
  { operands[3] = gen_reg_rtx (BImode); })
 
(define_expand "umaxsi3"
  [(set (match_dup 3)
        (geu:BI (match_operand:SI 1 "gr_register_operand" "")
                (match_operand:SI 2 "gr_register_operand" "")))
   (set (match_operand:SI 0 "gr_register_operand" "")
        (if_then_else:SI (ne (match_dup 3) (const_int 0))
                         (match_dup 1) (match_dup 2)))]
  ""
  { operands[3] = gen_reg_rtx (BImode); })
 
;; ::::::::::::::::::::
;; ::
;; :: 64-bit Integer arithmetic
;; ::
;; ::::::::::::::::::::
 
(define_insn "adddi3"
  [(set (match_operand:DI 0 "gr_register_operand" "=r,r,r")
        (plus:DI (match_operand:DI 1 "gr_register_operand" "%r,r,a")
                 (match_operand:DI 2 "gr_reg_or_22bit_operand" "r,I,J")))]
  ""
  "@
   add %0 = %1, %2
   adds %0 = %2, %1
   addl %0 = %2, %1"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*adddi3_plus1"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (plus:DI (plus:DI (match_operand:DI 1 "gr_register_operand" "r")
                          (match_operand:DI 2 "gr_register_operand" "r"))
                 (const_int 1)))]
  ""
  "add %0 = %1, %2, 1"
  [(set_attr "itanium_class" "ialu")])
 
;; This has some of the same problems as shladd.  We let the shladd
;; eliminator hack handle it, which results in the 1 being forced into
;; a register, but not more ugliness here.
(define_insn "*adddi3_plus1_alt"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (plus:DI (mult:DI (match_operand:DI 1 "gr_register_operand" "r")
                          (const_int 2))
                 (const_int 1)))]
  ""
  "add %0 = %1, %1, 1"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "subdi3"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (minus:DI (match_operand:DI 1 "gr_reg_or_8bit_operand" "rK")
                  (match_operand:DI 2 "gr_register_operand" "r")))]
  ""
  "sub %0 = %1, %2"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*subdi3_minus1"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (plus:DI (not:DI (match_operand:DI 1 "gr_register_operand" "r"))
                 (match_operand:DI 2 "gr_register_operand" "r")))]
  ""
  "sub %0 = %2, %1, 1"
  [(set_attr "itanium_class" "ialu")])
 
;; ??? Use grfr instead of fr because of virtual register elimination
;; and silly test cases multiplying by the frame pointer.
(define_insn "muldi3"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (mult:DI (match_operand:DI 1 "grfr_register_operand" "f")
                 (match_operand:DI 2 "grfr_register_operand" "f")))]
  ""
  "xmpy.l %0 = %1, %2"
  [(set_attr "itanium_class" "xmpy")])
 
;; ??? If operand 3 is an eliminable reg, then register elimination causes the
;; same problem that we have with shladd below.  Unfortunately, this case is
;; much harder to fix because the multiply puts the result in an FP register,
;; but the add needs inputs from a general register.  We add a spurious clobber
;; here so that it will be present just in case register elimination gives us
;; the funny result.
 
;; ??? Maybe validate_changes should try adding match_scratch clobbers?
 
;; ??? Maybe we should change how adds are canonicalized.
 
(define_insn "madddi4"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (plus:DI (mult:DI (match_operand:DI 1 "grfr_register_operand" "f")
                          (match_operand:DI 2 "grfr_register_operand" "f"))
                 (match_operand:DI 3 "grfr_register_operand" "f")))
   (clobber (match_scratch:DI 4 "=X"))]
  ""
  "xma.l %0 = %1, %2, %3"
  [(set_attr "itanium_class" "xmpy")])
 
;; This can be created by register elimination if operand3 of shladd is an
;; eliminable register or has reg_equiv_constant set.
 
;; We have to use nonmemory_operand for operand 4, to ensure that the
;; validate_changes call inside eliminate_regs will always succeed.  If it
;; doesn't succeed, then this remain a madddi4 pattern, and will be reloaded
;; incorrectly.
 
(define_insn "*madddi4_elim"
  [(set (match_operand:DI 0 "register_operand" "=&r")
        (plus:DI (plus:DI (mult:DI (match_operand:DI 1 "register_operand" "f")
                                   (match_operand:DI 2 "register_operand" "f"))
                          (match_operand:DI 3 "register_operand" "f"))
                 (match_operand:DI 4 "nonmemory_operand" "rI")))
   (clobber (match_scratch:DI 5 "=f"))]
  "reload_in_progress"
  "#"
  [(set_attr "itanium_class" "unknown")])
 
(define_split
  [(set (match_operand:DI 0 "register_operand" "")
        (plus:DI (plus:DI (mult:DI (match_operand:DI 1 "register_operand" "")
                                   (match_operand:DI 2 "register_operand" ""))
                          (match_operand:DI 3 "register_operand" ""))
                 (match_operand:DI 4 "gr_reg_or_14bit_operand" "")))
   (clobber (match_scratch:DI 5 ""))]
  "reload_completed"
  [(parallel [(set (match_dup 5) (plus:DI (mult:DI (match_dup 1) (match_dup 2))
                                          (match_dup 3)))
              (clobber (match_dup 0))])
   (set (match_dup 0) (match_dup 5))
   (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 4)))]
  "")
 
(define_insn "smuldi3_highpart"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (truncate:DI
         (lshiftrt:TI
          (mult:TI (sign_extend:TI
                     (match_operand:DI 1 "fr_reg_or_fp01_operand" "fG"))
                   (sign_extend:TI
                     (match_operand:DI 2 "fr_reg_or_fp01_operand" "fG")))
          (const_int 64))))]
  ""
  "xmpy.h %0 = %F1, %F2"
  [(set_attr "itanium_class" "xmpy")])
 
(define_insn "umuldi3_highpart"
  [(set (match_operand:DI 0 "fr_register_operand" "=f")
        (truncate:DI
         (lshiftrt:TI
          (mult:TI (zero_extend:TI
                     (match_operand:DI 1 "fr_reg_or_fp01_operand" "fG"))
                   (zero_extend:TI
                     (match_operand:DI 2 "fr_reg_or_fp01_operand" "fG")))
          (const_int 64))))]
  ""
  "xmpy.hu %0 = %F1, %F2"
  [(set_attr "itanium_class" "xmpy")])
 
(define_insn "negdi2"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (neg:DI (match_operand:DI 1 "gr_register_operand" "r")))]
  ""
  "sub %0 = r0, %1"
  [(set_attr "itanium_class" "ialu")])
 
(define_expand "absdi2"
  [(set (match_dup 2)
        (ge:BI (match_operand:DI 1 "gr_register_operand" "") (const_int 0)))
   (set (match_operand:DI 0 "gr_register_operand" "")
        (if_then_else:DI (eq (match_dup 2) (const_int 0))
                         (neg:DI (match_dup 1))
                         (match_dup 1)))]
  ""
  { operands[2] = gen_reg_rtx (BImode); })
 
(define_expand "smindi3"
  [(set (match_dup 3)
        (ge:BI (match_operand:DI 1 "gr_register_operand" "")
               (match_operand:DI 2 "gr_register_operand" "")))
   (set (match_operand:DI 0 "gr_register_operand" "")
        (if_then_else:DI (ne (match_dup 3) (const_int 0))
                         (match_dup 2) (match_dup 1)))]
  ""
  { operands[3] = gen_reg_rtx (BImode); })
 
(define_expand "smaxdi3"
  [(set (match_dup 3)
        (ge:BI (match_operand:DI 1 "gr_register_operand" "")
               (match_operand:DI 2 "gr_register_operand" "")))
   (set (match_operand:DI 0 "gr_register_operand" "")
        (if_then_else:DI (ne (match_dup 3) (const_int 0))
                         (match_dup 1) (match_dup 2)))]
  ""
  { operands[3] = gen_reg_rtx (BImode); })
 
(define_expand "umindi3"
  [(set (match_dup 3)
        (geu:BI (match_operand:DI 1 "gr_register_operand" "")
                (match_operand:DI 2 "gr_register_operand" "")))
   (set (match_operand:DI 0 "gr_register_operand" "")
        (if_then_else:DI (ne (match_dup 3) (const_int 0))
                         (match_dup 2) (match_dup 1)))]
  ""
  { operands[3] = gen_reg_rtx (BImode); })
 
(define_expand "umaxdi3"
  [(set (match_dup 3)
        (geu:BI (match_operand:DI 1 "gr_register_operand" "")
                (match_operand:DI 2 "gr_register_operand" "")))
   (set (match_operand:DI 0 "gr_register_operand" "")
        (if_then_else:DI (ne (match_dup 3) (const_int 0))
                         (match_dup 1) (match_dup 2)))]
  ""
  { operands[3] = gen_reg_rtx (BImode); })
 
(define_expand "ffsdi2"
  [(set (match_dup 6)
        (eq:BI (match_operand:DI 1 "gr_register_operand" "") (const_int 0)))
   (set (match_dup 2) (plus:DI (match_dup 1) (const_int -1)))
   (set (match_dup 5) (const_int 0))
   (set (match_dup 3) (xor:DI (match_dup 1) (match_dup 2)))
   (set (match_dup 4) (popcount:DI (match_dup 3)))
   (set (match_operand:DI 0 "gr_register_operand" "")
        (if_then_else:DI (ne (match_dup 6) (const_int 0))
                         (match_dup 5) (match_dup 4)))]
  ""
{
  operands[2] = gen_reg_rtx (DImode);
  operands[3] = gen_reg_rtx (DImode);
  operands[4] = gen_reg_rtx (DImode);
  operands[5] = gen_reg_rtx (DImode);
  operands[6] = gen_reg_rtx (BImode);
})
 
(define_expand "ctzdi2"
  [(set (match_dup 2) (plus:DI (match_operand:DI 1 "gr_register_operand" "")
                               (const_int -1)))
   (set (match_dup 3) (not:DI (match_dup 1)))
   (set (match_dup 4) (and:DI (match_dup 2) (match_dup 3)))
   (set (match_operand:DI 0 "gr_register_operand" "")
        (popcount:DI (match_dup 4)))]
  ""
{
  operands[2] = gen_reg_rtx (DImode);
  operands[3] = gen_reg_rtx (DImode);
  operands[4] = gen_reg_rtx (DImode);
})
 
;; Note the computation here is op0 = 63 - (exp - 0xffff).
(define_expand "clzdi2"
  [(set (match_dup 2)
        (unsigned_float:XF (match_operand:DI 1 "fr_reg_or_fp01_operand" "")))
   (set (match_dup 3)
        (unspec:DI [(match_dup 2)] UNSPEC_GETF_EXP))
   (set (match_dup 4) (const_int 65598))
   (set (match_operand:DI 0 "gr_register_operand" "")
        (minus:DI (match_dup 4) (match_dup 3)))]
  ""
{
  operands[2] = gen_reg_rtx (XFmode);
  operands[3] = gen_reg_rtx (DImode);
  operands[4] = gen_reg_rtx (DImode);
})
 
(define_insn "popcountdi2"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (popcount:DI (match_operand:DI 1 "gr_register_operand" "r")))]
  ""
  "popcnt %0 = %1"
  [(set_attr "itanium_class" "mmmul")])
 
(define_insn "bswapdi2"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (bswap:DI (match_operand:DI 1 "gr_register_operand" "r")))]
  ""
  "mux1 %0 = %1, @rev"
  [(set_attr "itanium_class" "mmshf")])
 
(define_insn "*getf_exp_xf"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (unspec:DI [(match_operand:XF 1 "fr_reg_or_fp01_operand" "fG")]
                   UNSPEC_GETF_EXP))]
  ""
  "getf.exp %0 = %F1"
  [(set_attr "itanium_class" "frfr")])
 
;; ::::::::::::::::::::
;; ::
;; :: 128-bit Integer arithmetic
;; ::
;; ::::::::::::::::::::
 
(define_insn "addti3"
  [(set (match_operand:TI 0 "gr_register_operand" "=&r")
        (plus:TI (match_operand:TI 1 "gr_register_operand" "%r")
                 (match_operand:TI 2 "gr_reg_or_14bit_operand" "rI")))
   (clobber (match_scratch:BI 3 "=&c"))]
  ""
  "#"
  [(set_attr "itanium_class" "unknown")])
 
(define_split
  [(set (match_operand:TI 0 "register_operand" "")
        (plus:TI (match_operand:TI 1 "register_operand" "")
                 (match_operand:TI 2 "register_operand" "")))
   (clobber (match_scratch:BI 3 ""))]
  "reload_completed"
  [(set (match_dup 0) (plus:DI (match_dup 1) (match_dup 2)))
   (set (match_dup 3) (ltu:BI (match_dup 0) (match_dup 1)))
   (cond_exec (eq (match_dup 3) (const_int 0))
              (set (match_dup 4) (plus:DI (match_dup 5) (match_dup 6))))
   (cond_exec (ne (match_dup 3) (const_int 0))
              (set (match_dup 4)
                   (plus:DI (plus:DI (match_dup 5) (match_dup 6))
                            (const_int 1))))]
{
  operands[4] = gen_highpart (DImode, operands[0]);
  operands[0] = gen_lowpart (DImode, operands[0]);
  operands[5] = gen_highpart (DImode, operands[1]);
  operands[1] = gen_lowpart (DImode, operands[1]);
  operands[6] = gen_highpart (DImode, operands[2]);
  operands[2] = gen_lowpart (DImode, operands[2]);
})
 
(define_split
  [(set (match_operand:TI 0 "register_operand" "")
        (plus:TI (match_operand:TI 1 "register_operand" "")
                 (match_operand:TI 2 "immediate_operand" "")))
   (clobber (match_scratch:BI 3 ""))]
  "reload_completed"
  [(set (match_dup 0) (plus:DI (match_dup 1) (match_dup 2)))
   (set (match_dup 3) (ltu:BI (match_dup 0) (match_dup 1)))
   (cond_exec (eq (match_dup 3) (const_int 0))
              (set (match_dup 4)
                   (plus:DI (match_dup 5) (match_dup 6))))
   (cond_exec (ne (match_dup 3) (const_int 0))
              (set (match_dup 4)
                   (plus:DI (match_dup 5) (match_dup 7))))]
{
  operands[4] = gen_highpart (DImode, operands[0]);
  operands[0] = gen_lowpart (DImode, operands[0]);
  operands[5] = gen_highpart (DImode, operands[1]);
  operands[1] = gen_lowpart (DImode, operands[1]);
  operands[6] = INTVAL (operands[2]) < 0 ? constm1_rtx : const0_rtx;
  operands[7] = INTVAL (operands[2]) < 0 ? const0_rtx : const1_rtx;
})
 
(define_insn "subti3"
  [(set (match_operand:TI 0 "gr_register_operand" "=&r")
        (minus:TI (match_operand:TI 1 "gr_reg_or_8bit_operand" "rK")
                  (match_operand:TI 2 "gr_register_operand" "r")))
   (clobber (match_scratch:BI 3 "=&c"))]
  ""
  "#"
  [(set_attr "itanium_class" "unknown")])
 
(define_split
  [(set (match_operand:TI 0 "register_operand" "")
        (minus:TI (match_operand:TI 1 "register_operand" "")
                  (match_operand:TI 2 "register_operand" "")))
   (clobber (match_scratch:BI 3 "=&c"))]
  "reload_completed"
  [(set (match_dup 0) (minus:DI (match_dup 1) (match_dup 2)))
   (set (match_dup 3) (ltu:BI (match_dup 1) (match_dup 0)))
   (cond_exec (eq (match_dup 3) (const_int 0))
              (set (match_dup 4) (minus:DI (match_dup 5) (match_dup 6))))
   (cond_exec (ne (match_dup 3) (const_int 0))
              (set (match_dup 4)
                   (plus:DI (not:DI (match_dup 6)) (match_dup 5))))]
{
  operands[4] = gen_highpart (DImode, operands[0]);
  operands[0] = gen_lowpart (DImode, operands[0]);
  operands[5] = gen_highpart (DImode, operands[1]);
  operands[1] = gen_lowpart (DImode, operands[1]);
  operands[6] = gen_highpart (DImode, operands[2]);
  operands[2] = gen_lowpart (DImode, operands[2]);
})
 
(define_split
  [(set (match_operand:TI 0 "register_operand" "")
        (minus:TI (match_operand:TI 1 "immediate_operand" "")
                  (match_operand:TI 2 "register_operand" "")))
   (clobber (match_scratch:BI 3 "=&c"))]
  "reload_completed && satisfies_constraint_K (operands[1])"
  [(set (match_dup 0) (minus:DI (match_dup 1) (match_dup 2)))
   (set (match_dup 3) (gtu:BI (match_dup 0) (match_dup 1)))
   (cond_exec (ne (match_dup 3) (const_int 0))
              (set (match_dup 4) (minus:DI (match_dup 6) (match_dup 5))))
   (cond_exec (eq (match_dup 3) (const_int 0))
              (set (match_dup 4) (minus:DI (match_dup 7) (match_dup 5))))]
{
  operands[4] = gen_highpart (DImode, operands[0]);
  operands[0] = gen_lowpart (DImode, operands[0]);
  operands[5] = gen_highpart (DImode, operands[2]);
  operands[2] = gen_lowpart (DImode, operands[2]);
  operands[6] = INTVAL (operands[1]) < 0 ? GEN_INT (-2) : constm1_rtx;
  operands[7] = INTVAL (operands[1]) < 0 ? constm1_rtx : const0_rtx;
})
 
(define_expand "mulditi3"
  [(set (match_operand:TI 0 "fr_register_operand" "")
        (mult:TI (sign_extend:TI
                   (match_operand:DI 1 "fr_reg_or_fp01_operand" ""))
                 (sign_extend:TI
                   (match_operand:DI 2 "fr_reg_or_fp01_operand" ""))))]
  ""
  "")
 
(define_insn_and_split "*mulditi3_internal"
  [(set (match_operand:TI 0 "fr_register_operand" "=&f")
        (mult:TI (sign_extend:TI
                   (match_operand:DI 1 "fr_reg_or_fp01_operand" "fG"))
                 (sign_extend:TI
                   (match_operand:DI 2 "fr_reg_or_fp01_operand" "fG"))))]
  ""
  "#"
  "reload_completed"
  [(set (match_dup 0) (mult:DI (match_dup 1) (match_dup 2)))
   (set (match_dup 3) (truncate:DI
                        (lshiftrt:TI
                          (mult:TI (sign_extend:TI (match_dup 1))
                                   (sign_extend:TI (match_dup 2)))
                          (const_int 64))))]
{
  operands[3] = gen_highpart (DImode, operands[0]);
  operands[0] = gen_lowpart (DImode, operands[0]);
}
  [(set_attr "itanium_class" "unknown")])
 
(define_expand "umulditi3"
  [(set (match_operand:TI 0 "fr_register_operand" "")
        (mult:TI (zero_extend:TI
                   (match_operand:DI 1 "fr_reg_or_fp01_operand" ""))
                 (zero_extend:TI
                   (match_operand:DI 2 "fr_reg_or_fp01_operand" ""))))]
  ""
  "")
 
(define_insn_and_split "*umulditi3_internal"
  [(set (match_operand:TI 0 "fr_register_operand" "=&f")
        (mult:TI (zero_extend:TI
                   (match_operand:DI 1 "fr_reg_or_fp01_operand" "fG"))
                 (zero_extend:TI
                   (match_operand:DI 2 "fr_reg_or_fp01_operand" "fG"))))]
  ""
  "#"
  "reload_completed"
  [(set (match_dup 0) (mult:DI (match_dup 1) (match_dup 2)))
   (set (match_dup 3) (truncate:DI
                        (lshiftrt:TI
                          (mult:TI (zero_extend:TI (match_dup 1))
                                   (zero_extend:TI (match_dup 2)))
                          (const_int 64))))]
{
  operands[3] = gen_highpart (DImode, operands[0]);
  operands[0] = gen_lowpart (DImode, operands[0]);
}
  [(set_attr "itanium_class" "unknown")])
 
(define_insn_and_split "negti2"
  [(set (match_operand:TI 0 "gr_register_operand" "=&r")
        (neg:TI (match_operand:TI 1 "gr_register_operand" "r")))
   (clobber (match_scratch:BI 2 "=&c"))]
  ""
  "#"
  "reload_completed"
  [(set (match_dup 2) (eq:BI (match_dup 1) (const_int 0)))
   (set (match_dup 0) (minus:DI (const_int 0) (match_dup 1)))
   (cond_exec (eq (match_dup 2) (const_int 0))
              (set (match_dup 3) (minus:DI (const_int -1) (match_dup 4))))
   (cond_exec (ne (match_dup 2) (const_int 0))
              (set (match_dup 3) (minus:DI (const_int 0) (match_dup 4))))]
{
  operands[3] = gen_highpart (DImode, operands[0]);
  operands[0] = gen_lowpart (DImode, operands[0]);
  operands[4] = gen_highpart (DImode, operands[1]);
  operands[1] = gen_lowpart (DImode, operands[1]);
}
  [(set_attr "itanium_class" "unknown")])
 
;; ::::::::::::::::::::
;; ::
;; :: 32-bit floating point arithmetic
;; ::
;; ::::::::::::::::::::
 
(define_insn "addsf3"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (plus:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "%fG")
                 (match_operand:SF 2 "fr_reg_or_signed_fp01_operand" "fZ")))]
  ""
  "fadd.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "subsf3"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (minus:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")
                  (match_operand:SF 2 "fr_reg_or_signed_fp01_operand" "fZ")))]
  ""
  "fsub.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "mulsf3"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (mult:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")
                 (match_operand:SF 2 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fmpy.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "abssf2"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (abs:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fabs %0 = %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "negsf2"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (neg:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fneg %0 = %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "*nabssf2"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (neg:SF (abs:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG"))))]
  ""
  "fnegabs %0 = %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "copysignsf3"
  [(set (match_operand:SF 0 "register_operand" "=f")
        (unspec:SF [(match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")
                    (match_operand:SF 2 "fr_reg_or_fp01_operand" "fG")]
                   UNSPEC_COPYSIGN))]
  ""
  "fmerge.s %0 = %F2, %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "*ncopysignsf3"
  [(set (match_operand:SF 0 "register_operand" "=f")
        (neg:SF (unspec:SF [(match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")
                            (match_operand:SF 2 "fr_reg_or_fp01_operand" "fG")]
                           UNSPEC_COPYSIGN)))]
  ""
  "fmerge.ns %0 = %F2, %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "sminsf3"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (smin:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")
                 (match_operand:SF 2 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fmin %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "smaxsf3"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (smax:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")
                 (match_operand:SF 2 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fmax %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "*nmulsf3"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (neg:SF (mult:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")
                         (match_operand:SF 2 "fr_reg_or_fp01_operand" "fG"))))]
  ""
  "fnmpy.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "fmasf4"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (fma:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")
                (match_operand:SF 2 "fr_reg_or_fp01_operand" "fG")
                (match_operand:SF 3 "fr_reg_or_signed_fp01_operand" "fZ")))]
  ""
  "fma.s %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "fmssf4"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (fma:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG")
                (match_operand:SF 2 "fr_reg_or_fp01_operand" "fG")
                (neg:SF
                  (match_operand:SF 3 "fr_reg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fms.s %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "fnmasf4"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (fma:SF (neg:SF (match_operand:SF 1 "fr_reg_or_fp01_operand" "fG"))
                (match_operand:SF 2 "fr_reg_or_fp01_operand" "fG")
                (match_operand:SF 3 "fr_reg_or_signed_fp01_operand" "fZ")))]
  ""
  "fnma.s %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
;; ::::::::::::::::::::
;; ::
;; :: 64-bit floating point arithmetic
;; ::
;; ::::::::::::::::::::
 
(define_insn "adddf3"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (plus:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "%fG")
                 (match_operand:DF 2 "fr_reg_or_signed_fp01_operand" "fZ")))]
  ""
  "fadd.d %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*adddf3_trunc"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF
          (plus:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "%fG")
                   (match_operand:DF 2 "fr_reg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fadd.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "subdf3"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (minus:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                  (match_operand:DF 2 "fr_reg_or_signed_fp01_operand" "fZ")))]
  ""
  "fsub.d %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*subdf3_trunc"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF
          (minus:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                    (match_operand:DF 2 "fr_reg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fsub.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "muldf3"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (mult:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                 (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fmpy.d %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*muldf3_trunc"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF
          (mult:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                   (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG"))))]
  ""
  "fmpy.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "absdf2"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (abs:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fabs %0 = %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "negdf2"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (neg:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fneg %0 = %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "*nabsdf2"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (neg:DF (abs:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG"))))]
  ""
  "fnegabs %0 = %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "copysigndf3"
  [(set (match_operand:DF 0 "register_operand" "=f")
        (unspec:DF [(match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                    (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")]
                   UNSPEC_COPYSIGN))]
  ""
  "fmerge.s %0 = %F2, %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "*ncopysigndf3"
  [(set (match_operand:DF 0 "register_operand" "=f")
        (neg:DF (unspec:DF [(match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                            (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")]
                           UNSPEC_COPYSIGN)))]
  ""
  "fmerge.ns %0 = %F2, %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "smindf3"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (smin:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                 (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fmin %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "smaxdf3"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (smax:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                 (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")))]
  ""
  "fmax %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "*nmuldf3"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (neg:DF (mult:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                         (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG"))))]
  ""
  "fnmpy.d %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*nmuldf3_trunc"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF
          (neg:DF (mult:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                           (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")))))]
  ""
  "fnmpy.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "fmadf4"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (fma:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")
                (match_operand:DF 3 "fr_reg_or_signed_fp01_operand" "fZ")))]
  ""
  "fma.d %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*fmadf_trunc_sf"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF
          (fma:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                  (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")
                  (match_operand:DF 3 "fr_reg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fma.s %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "fmsdf4"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (fma:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
                (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")
                (neg:DF
                  (match_operand:DF 3 "fr_reg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fms.d %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*fmsdf_trunc_sf"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF
          (fma:DF
            (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG")
            (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")
            (neg:DF
              (match_operand:DF 3 "fr_reg_or_signed_fp01_operand" "fZ")))))]
  ""
  "fms.s %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "fnmadf4"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (fma:DF (neg:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG"))
                (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")
                (match_operand:DF 3 "fr_reg_or_signed_fp01_operand" "fZ")))]
  ""
  "fnma.d %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*fnmadf_trunc_sf"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF
          (fma:DF
            (neg:DF (match_operand:DF 1 "fr_reg_or_fp01_operand" "fG"))
            (match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")
            (match_operand:DF 3 "fr_reg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fnma.s %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
;; ::::::::::::::::::::
;; ::
;; :: 80-bit floating point arithmetic
;; ::
;; ::::::::::::::::::::
 
(define_insn "addxf3"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (plus:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "%fG")
                 (match_operand:XF 2 "xfreg_or_signed_fp01_operand" "fZ")))]
  ""
  "fadd %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*addxf3_truncsf"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF
          (plus:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "%fG")
                   (match_operand:XF 2 "xfreg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fadd.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*addxf3_truncdf"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (float_truncate:DF
          (plus:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "%fG")
                   (match_operand:XF 2 "xfreg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fadd.d %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "subxf3"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (minus:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")
                  (match_operand:XF 2 "xfreg_or_signed_fp01_operand" "fZ")))]
  ""
  "fsub %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*subxf3_truncsf"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF
          (minus:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")
                    (match_operand:XF 2 "xfreg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fsub.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*subxf3_truncdf"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (float_truncate:DF
          (minus:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")
                    (match_operand:XF 2 "xfreg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fsub.d %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "mulxf3"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (mult:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")
                 (match_operand:XF 2 "xfreg_or_fp01_operand" "fG")))]
  ""
  "fmpy %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*mulxf3_truncsf"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF
          (mult:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")
                   (match_operand:XF 2 "xfreg_or_fp01_operand" "fG"))))]
  ""
  "fmpy.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*mulxf3_truncdf"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (float_truncate:DF
          (mult:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")
                   (match_operand:XF 2 "xfreg_or_fp01_operand" "fG"))))]
  ""
  "fmpy.d %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "absxf2"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (abs:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")))]
  ""
  "fabs %0 = %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "negxf2"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (neg:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")))]
  ""
  "fneg %0 = %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "*nabsxf2"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (neg:XF (abs:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG"))))]
  ""
  "fnegabs %0 = %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "copysignxf3"
  [(set (match_operand:XF 0 "register_operand" "=f")
        (unspec:XF [(match_operand:XF 1 "fr_reg_or_fp01_operand" "fG")
                    (match_operand:XF 2 "fr_reg_or_fp01_operand" "fG")]
                   UNSPEC_COPYSIGN))]
  ""
  "fmerge.s %0 = %F2, %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "*ncopysignxf3"
  [(set (match_operand:XF 0 "register_operand" "=f")
        (neg:XF (unspec:XF [(match_operand:XF 1 "fr_reg_or_fp01_operand" "fG")
                            (match_operand:XF 2 "fr_reg_or_fp01_operand" "fG")]
                           UNSPEC_COPYSIGN)))]
  ""
  "fmerge.ns %0 = %F2, %F1"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "sminxf3"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (smin:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")
                 (match_operand:XF 2 "xfreg_or_fp01_operand" "fG")))]
  ""
  "fmin %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "smaxxf3"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (smax:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")
                 (match_operand:XF 2 "xfreg_or_fp01_operand" "fG")))]
  ""
  "fmax %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmisc")])
 
(define_insn "*nmulxf3"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (neg:XF (mult:XF (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")
                         (match_operand:XF 2 "xfreg_or_fp01_operand" "fG"))))]
  ""
  "fnmpy %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*nmulxf3_truncsf"
  [(set (match_operand:SF 0 "fr_register_operand" "=f")
        (float_truncate:SF
          (neg:XF (mult:XF
                    (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")
                    (match_operand:XF 2 "xfreg_or_fp01_operand" "fG")))))]
  ""
  "fnmpy.s %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*nmulxf3_truncdf"
  [(set (match_operand:DF 0 "fr_register_operand" "=f")
        (float_truncate:DF
          (neg:XF (mult:XF
                    (match_operand:XF 1 "xfreg_or_fp01_operand" "fG")
                    (match_operand:XF 2 "xfreg_or_fp01_operand" "fG")))))]
  ""
  "fnmpy.d %0 = %F1, %F2"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "fmaxf4"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (fma:XF (match_operand:XF 1 "fr_reg_or_fp01_operand" "fG")
                (match_operand:XF 2 "fr_reg_or_fp01_operand" "fG")
                (match_operand:XF 3 "fr_reg_or_signed_fp01_operand" "fZ")))]
  ""
  "fma %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*fmaxf_trunc_"
  [(set (match_operand:MODE_SDF 0 "fr_register_operand" "=f")
        (float_truncate:MODE_SDF
          (fma:XF
            (match_operand:XF 1 "fr_reg_or_fp01_operand" "fG")
            (match_operand:XF 2 "fr_reg_or_fp01_operand" "fG")
            (match_operand:XF 3 "fr_reg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fma %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "fmsxf4"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (fma:XF (match_operand:XF 1 "fr_reg_or_fp01_operand" "fG")
                (match_operand:XF 2 "fr_reg_or_fp01_operand" "fG")
                (neg:XF
                  (match_operand:XF 3 "fr_reg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fms %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*fmsxf_trunc_"
  [(set (match_operand:MODE_SDF 0 "fr_register_operand" "=f")
        (float_truncate:MODE_SDF
          (fma:XF
            (match_operand:XF 1 "fr_reg_or_fp01_operand" "fG")
            (match_operand:XF 2 "fr_reg_or_fp01_operand" "fG")
            (neg:XF
              (match_operand:XF 3 "fr_reg_or_signed_fp01_operand" "fZ")))))]
  ""
  "fms %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "fnmaxf4"
  [(set (match_operand:XF 0 "fr_register_operand" "=f")
        (fma:XF (neg:XF (match_operand:XF 1 "fr_reg_or_fp01_operand" "fG"))
                (match_operand:XF 2 "fr_reg_or_fp01_operand" "fG")
                (match_operand:XF 3 "fr_reg_or_signed_fp01_operand" "fZ")))]
  ""
  "fnma %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
(define_insn "*fnmaxf_trunc_"
  [(set (match_operand:MODE_SDF 0 "fr_register_operand" "=f")
        (float_truncate:MODE_SDF
          (fma:XF
            (neg:XF (match_operand:XF 1 "fr_reg_or_fp01_operand" "fG"))
            (match_operand:XF 2 "fr_reg_or_fp01_operand" "fG")
            (match_operand:XF 3 "fr_reg_or_signed_fp01_operand" "fZ"))))]
  ""
  "fnma %0 = %F1, %F2, %F3"
  [(set_attr "itanium_class" "fmac")])
 
;; ::::::::::::::::::::
;; ::
;; :: 32-bit Integer Shifts and Rotates
;; ::
;; ::::::::::::::::::::
 
(define_expand "ashlsi3"
  [(set (match_operand:SI 0 "gr_register_operand" "")
        (ashift:SI (match_operand:SI 1 "gr_register_operand" "")
                   (match_operand:SI 2 "gr_reg_or_5bit_operand" "")))]
  ""
{
  if (GET_CODE (operands[2]) != CONST_INT)
    {
      /* Why oh why didn't Intel arrange for SHIFT_COUNT_TRUNCATED?  Now
         we've got to get rid of stray bits outside the SImode register.  */
      rtx subshift = gen_reg_rtx (DImode);
      emit_insn (gen_zero_extendsidi2 (subshift, operands[2]));
      operands[2] = subshift;
    }
})
 
(define_insn "*ashlsi3_internal"
  [(set (match_operand:SI 0 "gr_register_operand" "=r,r,r")
        (ashift:SI (match_operand:SI 1 "gr_register_operand" "r,r,r")
                   (match_operand:DI 2 "gr_reg_or_5bit_operand" "R,n,r")))]
  ""
  "@
   shladd %0 = %1, %2, r0
   dep.z %0 = %1, %2, %E2
   shl %0 = %1, %2"
  [(set_attr "itanium_class" "ialu,ishf,mmshf")])
 
(define_expand "ashrsi3"
  [(set (match_operand:SI 0 "gr_register_operand" "")
        (ashiftrt:SI (match_operand:SI 1 "gr_register_operand" "")
                     (match_operand:SI 2 "gr_reg_or_5bit_operand" "")))]
  ""
{
  rtx subtarget = gen_reg_rtx (DImode);
  if (GET_CODE (operands[2]) == CONST_INT)
    emit_insn (gen_extv (subtarget, gen_lowpart (DImode, operands[1]),
                         GEN_INT (32 - INTVAL (operands[2])), operands[2]));
  else
    {
      rtx subshift = gen_reg_rtx (DImode);
      emit_insn (gen_extendsidi2 (subtarget, operands[1]));
      emit_insn (gen_zero_extendsidi2 (subshift, operands[2]));
      emit_insn (gen_ashrdi3 (subtarget, subtarget, subshift));
    }
  emit_move_insn (gen_lowpart (DImode, operands[0]), subtarget);
  DONE;
})
 
(define_expand "lshrsi3"
  [(set (match_operand:SI 0 "gr_register_operand" "")
        (lshiftrt:SI (match_operand:SI 1 "gr_register_operand" "")
                     (match_operand:SI 2 "gr_reg_or_5bit_operand" "")))]
  ""
{
  rtx subtarget = gen_reg_rtx (DImode);
  if (GET_CODE (operands[2]) == CONST_INT)
    emit_insn (gen_extzv (subtarget, gen_lowpart (DImode, operands[1]),
                          GEN_INT (32 - INTVAL (operands[2])), operands[2]));
  else
    {
      rtx subshift = gen_reg_rtx (DImode);
      emit_insn (gen_zero_extendsidi2 (subtarget, operands[1]));
      emit_insn (gen_zero_extendsidi2 (subshift, operands[2]));
      emit_insn (gen_lshrdi3 (subtarget, subtarget, subshift));
    }
  emit_move_insn (gen_lowpart (DImode, operands[0]), subtarget);
  DONE;
})
 
;; Use mix4.r/shr to implement rotrsi3.  We only get 32 bits of valid result
;; here, instead of 64 like the patterns above.  Keep the pattern together
;; until after combine; otherwise it won't get matched often.
 
(define_expand "rotrsi3"
  [(set (match_operand:SI 0 "gr_register_operand" "")
        (rotatert:SI (match_operand:SI 1 "gr_register_operand" "")
                     (match_operand:SI 2 "gr_reg_or_5bit_operand" "")))]
  ""
{
  if (GET_MODE (operands[2]) != VOIDmode)
    {
      rtx tmp = gen_reg_rtx (DImode);
      emit_insn (gen_zero_extendsidi2 (tmp, operands[2]));
      operands[2] = tmp;
    }
})
 
(define_insn_and_split "*rotrsi3_internal"
  [(set (match_operand:SI 0 "gr_register_operand" "=&r")
        (rotatert:SI (match_operand:SI 1 "gr_register_operand" "r")
                     (match_operand:DI 2 "gr_reg_or_5bit_operand" "rM")))]
  ""
  "#"
  "reload_completed"
  [(set (match_dup 3)
        (ior:DI (zero_extend:DI (match_dup 1))
                (ashift:DI (zero_extend:DI (match_dup 1)) (const_int 32))))
   (set (match_dup 3)
        (lshiftrt:DI (match_dup 3) (match_dup 2)))]
  "operands[3] = gen_rtx_REG (DImode, REGNO (operands[0]));")
 
(define_expand "rotlsi3"
  [(set (match_operand:SI 0 "gr_register_operand" "")
        (rotate:SI (match_operand:SI 1 "gr_register_operand" "")
                   (match_operand:SI 2 "gr_reg_or_5bit_operand" "")))]
  ""
{
  if (! shift_32bit_count_operand (operands[2], SImode))
    {
      rtx tmp = gen_reg_rtx (SImode);
      emit_insn (gen_subsi3 (tmp, GEN_INT (32), operands[2]));
      emit_insn (gen_rotrsi3 (operands[0], operands[1], tmp));
      DONE;
    }
})
 
(define_insn_and_split "*rotlsi3_internal"
  [(set (match_operand:SI 0 "gr_register_operand" "=r")
        (rotate:SI (match_operand:SI 1 "gr_register_operand" "r")
                   (match_operand:SI 2 "shift_32bit_count_operand" "n")))]
  ""
  "mux2 %0 = %1, 0xe1"
  "reload_completed && INTVAL (operands[2]) != 16"
  [(set (match_dup 3)
        (ior:DI (zero_extend:DI (match_dup 1))
                (ashift:DI (zero_extend:DI (match_dup 1)) (const_int 32))))
   (set (match_dup 3)
        (lshiftrt:DI (match_dup 3) (match_dup 2)))]
{
  operands[3] = gen_rtx_REG (DImode, REGNO (operands[0]));
  operands[2] = GEN_INT (32 - INTVAL (operands[2]));
}
  [(set_attr "itanium_class" "mmshf")])
 
;; ::::::::::::::::::::
;; ::
;; :: 64-bit Integer Shifts and Rotates
;; ::
;; ::::::::::::::::::::
 
(define_insn "ashldi3"
  [(set (match_operand:DI 0 "gr_register_operand" "=r,r,r")
        (ashift:DI (match_operand:DI 1 "gr_register_operand" "r,r,r")
                   (match_operand:DI 2 "gr_reg_or_6bit_operand" "R,r,rM")))]
  ""
  "@
   shladd %0 = %1, %2, r0
   shl %0 = %1, %2
   shl %0 = %1, %2"
  [(set_attr "itanium_class" "ialu,mmshf,mmshfi")])
 
;; ??? Maybe combine this with the multiply and add instruction?
 
(define_insn "*shladd"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (plus:DI (mult:DI (match_operand:DI 1 "gr_register_operand" "r")
                          (match_operand:DI 2 "shladd_operand" "n"))
                 (match_operand:DI 3 "gr_register_operand" "r")))]
  ""
  "shladd %0 = %1, %S2, %3"
  [(set_attr "itanium_class" "ialu")])
 
;; This can be created by register elimination if operand3 of shladd is an
;; eliminable register or has reg_equiv_constant set.
 
;; We have to use nonmemory_operand for operand 4, to ensure that the
;; validate_changes call inside eliminate_regs will always succeed.  If it
;; doesn't succeed, then this remain a shladd pattern, and will be reloaded
;; incorrectly.
 
(define_insn_and_split "*shladd_elim"
  [(set (match_operand:DI 0 "gr_register_operand" "=&r")
        (plus:DI (plus:DI (mult:DI (match_operand:DI 1 "gr_register_operand" "r")
                                   (match_operand:DI 2 "shladd_operand" "n"))
                          (match_operand:DI 3 "nonmemory_operand" "r"))
                 (match_operand:DI 4 "nonmemory_operand" "rI")))]
  "reload_in_progress"
  "* gcc_unreachable ();"
  "reload_completed"
  [(set (match_dup 0) (plus:DI (mult:DI (match_dup 1) (match_dup 2))
                               (match_dup 3)))
   (set (match_dup 0) (plus:DI (match_dup 0) (match_dup 4)))]
  ""
  [(set_attr "itanium_class" "unknown")])
 
(define_insn "ashrdi3"
  [(set (match_operand:DI 0 "gr_register_operand" "=r,r")
        (ashiftrt:DI (match_operand:DI 1 "gr_register_operand" "r,r")
                     (match_operand:DI 2 "gr_reg_or_6bit_operand" "r,rM")))]
  ""
  "@
   shr %0 = %1, %2
   shr %0 = %1, %2"
  [(set_attr "itanium_class" "mmshf,mmshfi")])
 
(define_insn "lshrdi3"
  [(set (match_operand:DI 0 "gr_register_operand" "=r,r")
        (lshiftrt:DI (match_operand:DI 1 "gr_register_operand" "r,r")
                     (match_operand:DI 2 "gr_reg_or_6bit_operand" "r,rM")))]
  ""
  "@
   shr.u %0 = %1, %2
   shr.u %0 = %1, %2"
  [(set_attr "itanium_class" "mmshf,mmshfi")])
 
;; Using a predicate that accepts only constants doesn't work, because optabs
;; will load the operand into a register and call the pattern if the predicate
;; did not accept it on the first try.  So we use nonmemory_operand and then
;; verify that we have an appropriate constant in the expander.
 
(define_expand "rotrdi3"
  [(set (match_operand:DI 0 "gr_register_operand" "")
        (rotatert:DI (match_operand:DI 1 "gr_register_operand" "")
                     (match_operand:DI 2 "nonmemory_operand" "")))]
  ""
{
  if (! shift_count_operand (operands[2], DImode))
    FAIL;
})
 
(define_insn "*rotrdi3_internal"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (rotatert:DI (match_operand:DI 1 "gr_register_operand" "r")
                     (match_operand:DI 2 "shift_count_operand" "M")))]
  ""
  "shrp %0 = %1, %1, %2"
  [(set_attr "itanium_class" "ishf")])
 
(define_expand "rotldi3"
  [(set (match_operand:DI 0 "gr_register_operand" "")
        (rotate:DI (match_operand:DI 1 "gr_register_operand" "")
                   (match_operand:DI 2 "nonmemory_operand" "")))]
  ""
{
  if (! shift_count_operand (operands[2], DImode))
    FAIL;
})
 
(define_insn "*rotldi3_internal"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (rotate:DI (match_operand:DI 1 "gr_register_operand" "r")
                   (match_operand:DI 2 "shift_count_operand" "M")))]
  ""
  "shrp %0 = %1, %1, %e2"
  [(set_attr "itanium_class" "ishf")])
 
;; ::::::::::::::::::::
;; ::
;; :: 128-bit Integer Shifts and Rotates
;; ::
;; ::::::::::::::::::::
 
(define_expand "ashlti3"
  [(set (match_operand:TI 0 "gr_register_operand" "")
        (ashift:TI (match_operand:TI 1 "gr_register_operand" "")
                   (match_operand:DI 2 "nonmemory_operand" "")))]
  ""
{
  if (!dshift_count_operand (operands[2], DImode))
    FAIL;
})
 
(define_insn_and_split "*ashlti3_internal"
  [(set (match_operand:TI 0 "gr_register_operand" "=&r")
        (ashift:TI (match_operand:TI 1 "gr_register_operand" "r")
                   (match_operand:DI 2 "dshift_count_operand" "n")))]
  ""
  "#"
  "reload_completed"
  [(const_int 0)]
{
  HOST_WIDE_INT shift = INTVAL (operands[2]);
  rtx rl = gen_lowpart (DImode, operands[0]);
  rtx rh = gen_highpart (DImode, operands[0]);
  rtx lo = gen_lowpart (DImode, operands[1]);
  rtx shiftlo = GEN_INT (shift & 63);
 
  if (shift & 64)
    {
      emit_move_insn (rl, const0_rtx);
      if (shift & 63)
        emit_insn (gen_ashldi3 (rh, lo, shiftlo));
      else
        emit_move_insn (rh, lo);
    }
  else
    {
      rtx hi = gen_highpart (DImode, operands[1]);
 
      emit_insn (gen_shrp (rh, hi, lo, GEN_INT (-shift & 63)));
      emit_insn (gen_ashldi3 (rl, lo, shiftlo));
    }
  DONE;
})
 
(define_expand "ashrti3"
  [(set (match_operand:TI 0 "gr_register_operand" "")
        (ashiftrt:TI (match_operand:TI 1 "gr_register_operand" "")
                     (match_operand:DI 2 "nonmemory_operand" "")))]
  ""
{
  if (!dshift_count_operand (operands[2], DImode))
    FAIL;
})
 
(define_insn_and_split "*ashrti3_internal"
  [(set (match_operand:TI 0 "gr_register_operand" "=&r")
        (ashiftrt:TI (match_operand:TI 1 "gr_register_operand" "r")
                     (match_operand:DI 2 "dshift_count_operand" "n")))]
  ""
  "#"
  "reload_completed"
  [(const_int 0)]
{
  HOST_WIDE_INT shift = INTVAL (operands[2]);
  rtx rl = gen_lowpart (DImode, operands[0]);
  rtx rh = gen_highpart (DImode, operands[0]);
  rtx hi = gen_highpart (DImode, operands[1]);
  rtx shiftlo = GEN_INT (shift & 63);
 
  if (shift & 64)
    {
      if (shift & 63)
        emit_insn (gen_ashrdi3 (rl, hi, shiftlo));
      else
        emit_move_insn (rl, hi);
      emit_insn (gen_ashrdi3 (rh, hi, GEN_INT (63)));
    }
  else
    {
      rtx lo = gen_lowpart (DImode, operands[1]);
 
      emit_insn (gen_shrp (rl, hi, lo, shiftlo));
      emit_insn (gen_ashrdi3 (rh, hi, shiftlo));
    }
  DONE;
})
 
(define_expand "lshrti3"
  [(set (match_operand:TI 0 "gr_register_operand" "")
        (lshiftrt:TI (match_operand:TI 1 "gr_register_operand" "")
                     (match_operand:DI 2 "nonmemory_operand" "")))]
  ""
{
  if (!dshift_count_operand (operands[2], DImode))
    FAIL;
})
 
(define_insn_and_split "*lshrti3_internal"
  [(set (match_operand:TI 0 "gr_register_operand" "=&r")
        (lshiftrt:TI (match_operand:TI 1 "gr_register_operand" "r")
                     (match_operand:DI 2 "dshift_count_operand" "n")))]
  ""
  "#"
  "reload_completed"
  [(const_int 0)]
{
  HOST_WIDE_INT shift = INTVAL (operands[2]);
  rtx rl = gen_lowpart (DImode, operands[0]);
  rtx rh = gen_highpart (DImode, operands[0]);
  rtx hi = gen_highpart (DImode, operands[1]);
  rtx shiftlo = GEN_INT (shift & 63);
 
  if (shift & 64)
    {
      if (shift & 63)
        emit_insn (gen_lshrdi3 (rl, hi, shiftlo));
      else
        emit_move_insn (rl, hi);
      emit_move_insn (rh, const0_rtx);
    }
  else
    {
      rtx lo = gen_lowpart (DImode, operands[1]);
 
      emit_insn (gen_shrp (rl, hi, lo, shiftlo));
      emit_insn (gen_lshrdi3 (rh, hi, shiftlo));
    }
  DONE;
})
 
(define_expand "rotlti3"
  [(set (match_operand:TI 0 "gr_register_operand" "")
        (rotate:TI (match_operand:TI 1 "gr_register_operand" "")
                   (match_operand:DI 2 "nonmemory_operand" "")))]
  ""
{
  if (! dshift_count_operand (operands[2], DImode))
    FAIL;
})
 
(define_insn_and_split "*rotlti3_internal"
  [(set (match_operand:TI 0 "gr_register_operand" "=&r")
        (rotate:TI (match_operand:TI 1 "gr_register_operand" "r")
                   (match_operand:DI 2 "dshift_count_operand" "n")))]
  ""
  "#"
  "reload_completed"
  [(const_int 0)]
{
  HOST_WIDE_INT count = INTVAL (operands[2]);
  rtx rl = gen_lowpart (DImode, operands[0]);
  rtx rh = gen_highpart (DImode, operands[0]);
  rtx lo = gen_lowpart (DImode, operands[1]);
  rtx hi = gen_highpart (DImode, operands[1]);
  rtx countlo = GEN_INT (-count & 63);
 
  if (count & 64)
    {
      if (count & 63)
        {
          emit_insn (gen_shrp (rl, hi, lo, countlo));
          emit_insn (gen_shrp (rh, lo, hi, countlo));
        }
      else
        {
          emit_move_insn (rl, hi);
          emit_move_insn (rh, lo);
        }
    }
  else
    {
      emit_insn (gen_shrp (rl, lo, hi, countlo));
      emit_insn (gen_shrp (rh, hi, lo, countlo));
    }
  DONE;
}
  [(set_attr "itanium_class" "unknown")])
 
(define_insn "shrp"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (unspec:DI [(match_operand:DI 1 "gr_register_operand" "r")
                    (match_operand:DI 2 "gr_register_operand" "r")
                    (match_operand:DI 3 "shift_count_operand" "M")]
                   UNSPEC_SHRP))]
  ""
  "shrp %0 = %1, %2, %3"
  [(set_attr "itanium_class" "ishf")])
 
;; ::::::::::::::::::::
;; ::
;; :: 32-bit Integer Logical operations
;; ::
;; ::::::::::::::::::::
 
;; We don't seem to need any other 32-bit logical operations, because gcc
;; generates zero-extend;zero-extend;DImode-op, which combine optimizes to
;; DImode-op;zero-extend, and then we can optimize away the zero-extend.
;; This doesn't work for unary logical operations, because we don't call
;; apply_distributive_law for them.
 
;; ??? Likewise, this doesn't work for andnot, which isn't handled by
;; apply_distributive_law.  We get inefficient code for
;; int sub4 (int i, int j) { return i & ~j; }
;; We could convert (and (not (sign_extend A)) (sign_extend B)) to
;; (zero_extend (and (not A) B)) in combine.
;; Or maybe fix this by adding andsi3/iorsi3/xorsi3 patterns like the
;; one_cmplsi2 pattern.
 
(define_insn "one_cmplsi2"
  [(set (match_operand:SI 0 "gr_register_operand" "=r")
        (not:SI (match_operand:SI 1 "gr_register_operand" "r")))]
  ""
  "andcm %0 = -1, %1"
  [(set_attr "itanium_class" "ilog")])
 
;; ::::::::::::::::::::
;; ::
;; :: 64-bit Integer Logical operations
;; ::
;; ::::::::::::::::::::
 
(define_insn "anddi3"
  [(set (match_operand:DI 0 "grfr_register_operand" "=r,*f")
        (and:DI (match_operand:DI 1 "grfr_register_operand" "%r,*f")
                (match_operand:DI 2 "grfr_reg_or_8bit_operand" "rK,*f")))]
  ""
  "@
   and %0 = %2, %1
   fand %0 = %2, %1"
  [(set_attr "itanium_class" "ilog,fmisc")])
 
(define_insn "*andnot"
  [(set (match_operand:DI 0 "grfr_register_operand" "=r,*f")
        (and:DI (not:DI (match_operand:DI 1 "grfr_register_operand" "r,*f"))
                (match_operand:DI 2 "grfr_reg_or_8bit_operand" "rK,*f")))]
  ""
  "@
   andcm %0 = %2, %1
   fandcm %0 = %2, %1"
  [(set_attr "itanium_class" "ilog,fmisc")])
 
(define_insn "iordi3"
  [(set (match_operand:DI 0 "grfr_register_operand" "=r,*f")
        (ior:DI (match_operand:DI 1 "grfr_register_operand" "%r,*f")
                (match_operand:DI 2 "grfr_reg_or_8bit_operand" "rK,*f")))]
  ""
  "@
   or %0 = %2, %1
   for %0 = %2, %1"
  [(set_attr "itanium_class" "ilog,fmisc")])
 
(define_insn "xordi3"
  [(set (match_operand:DI 0 "grfr_register_operand" "=r,*f")
        (xor:DI (match_operand:DI 1 "grfr_register_operand" "%r,*f")
                (match_operand:DI 2 "grfr_reg_or_8bit_operand" "rK,*f")))]
  ""
  "@
   xor %0 = %2, %1
   fxor %0 = %2, %1"
  [(set_attr "itanium_class" "ilog,fmisc")])
 
(define_insn "one_cmpldi2"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (not:DI (match_operand:DI 1 "gr_register_operand" "r")))]
  ""
  "andcm %0 = -1, %1"
  [(set_attr "itanium_class" "ilog")])
 
;; ::::::::::::::::::::
;; ::
;; :: Comparisons
;; ::
;; ::::::::::::::::::::
 
(define_expand "cbranchbi4"
  [(set (pc)
        (if_then_else (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:BI 1 "register_operand" "")
                        (match_operand:BI 2 "const_int_operand" "")])
                      (label_ref (match_operand 3 "" ""))
                      (pc)))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "cbranchsi4"
  [(set (pc)
        (if_then_else (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:SI 1 "gr_register_operand" "")
                        (match_operand:SI 2 "gr_reg_or_8bit_and_adjusted_operand" "")])
                      (label_ref (match_operand 3 "" ""))
                      (pc)))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "cbranchdi4"
  [(set (pc)
        (if_then_else (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:DI 1 "gr_register_operand" "")
                        (match_operand:DI 2 "gr_reg_or_8bit_and_adjusted_operand" "")])
                      (label_ref (match_operand 3 "" ""))
                      (pc)))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "cbranchsf4"
  [(set (pc)
        (if_then_else (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:SF 1 "fr_reg_or_fp01_operand" "")
                        (match_operand:SF 2 "fr_reg_or_fp01_operand" "")])
                      (label_ref (match_operand 3 "" ""))
                      (pc)))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "cbranchdf4"
  [(set (pc)
        (if_then_else (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:DF 1 "fr_reg_or_fp01_operand" "")
                        (match_operand:DF 2 "fr_reg_or_fp01_operand" "")])
                      (label_ref (match_operand 3 "" ""))
                      (pc)))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "cbranchxf4"
  [(set (pc)
        (if_then_else (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:XF 1 "xfreg_or_fp01_operand" "")
                        (match_operand:XF 2 "xfreg_or_fp01_operand" "")])
                      (label_ref (match_operand 3 "" ""))
                      (pc)))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "cbranchtf4"
  [(set (pc)
        (if_then_else (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:TF 1 "gr_register_operand" "")
                        (match_operand:TF 2 "gr_register_operand" "")])
                      (label_ref (match_operand 3 "" ""))
                      (pc)))]
  "TARGET_HPUX"
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
 
(define_insn "*cmpsi_normal"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (match_operator:BI 1 "normal_comparison_operator"
           [(match_operand:SI 2 "gr_register_operand" "r")
            (match_operand:SI 3 "gr_reg_or_8bit_operand" "rK")]))]
  ""
  "cmp4.%C1 %0, %I0 = %3, %2"
  [(set_attr "itanium_class" "icmp")])
 
;; We use %r3 because it is possible for us to match a 0, and two of the
;; unsigned comparisons don't accept immediate operands of zero.
 
(define_insn "*cmpsi_adjusted"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (match_operator:BI 1 "adjusted_comparison_operator"
           [(match_operand:SI 2 "gr_register_operand" "r")
            (match_operand:SI 3 "gr_reg_or_8bit_adjusted_operand" "rL")]))]
  ""
  "cmp4.%C1 %0, %I0 = %r3, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpdi_normal"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (match_operator:BI 1 "normal_comparison_operator"
           [(match_operand:DI 2 "gr_reg_or_0_operand" "rO")
            (match_operand:DI 3 "gr_reg_or_8bit_operand" "rK")]))]
  ""
  "cmp.%C1 %0, %I0 = %3, %r2"
  [(set_attr "itanium_class" "icmp")])
 
;; We use %r3 because it is possible for us to match a 0, and two of the
;; unsigned comparisons don't accept immediate operands of zero.
 
(define_insn "*cmpdi_adjusted"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (match_operator:BI 1 "adjusted_comparison_operator"
           [(match_operand:DI 2 "gr_register_operand" "r")
            (match_operand:DI 3 "gr_reg_or_8bit_adjusted_operand" "rL")]))]
  ""
  "cmp.%C1 %0, %I0 = %r3, %2"
  [(set_attr "itanium_class" "icmp")])
 
(define_insn "*cmpsf_internal"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (match_operator:BI 1 "comparison_operator"
           [(match_operand:SF 2 "fr_reg_or_fp01_operand" "fG")
            (match_operand:SF 3 "fr_reg_or_fp01_operand" "fG")]))]
  ""
  "fcmp.%D1 %0, %I0 = %F2, %F3"
  [(set_attr "itanium_class" "fcmp")])
 
(define_insn "*cmpdf_internal"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (match_operator:BI 1 "comparison_operator"
           [(match_operand:DF 2 "fr_reg_or_fp01_operand" "fG")
            (match_operand:DF 3 "fr_reg_or_fp01_operand" "fG")]))]
  ""
  "fcmp.%D1 %0, %I0 = %F2, %F3"
  [(set_attr "itanium_class" "fcmp")])
 
(define_insn "*cmpxf_internal"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (match_operator:BI 1 "comparison_operator"
                   [(match_operand:XF 2 "xfreg_or_fp01_operand" "fG")
                    (match_operand:XF 3 "xfreg_or_fp01_operand" "fG")]))]
  ""
  "fcmp.%D1 %0, %I0 = %F2, %F3"
  [(set_attr "itanium_class" "fcmp")])
 
;; ??? Can this pattern be generated?
 
(define_insn "*bit_zero"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (eq:BI (zero_extract:DI (match_operand:DI 1 "gr_register_operand" "r")
                                (const_int 1)
                                (match_operand:DI 2 "shift_count_operand" "M"))
               (const_int 0)))]
  ""
  "tbit.z %0, %I0 = %1, %2"
  [(set_attr "itanium_class" "tbit")])
 
(define_insn "*bit_one"
  [(set (match_operand:BI 0 "register_operand" "=c")
        (ne:BI (zero_extract:DI (match_operand:DI 1 "gr_register_operand" "r")
                                (const_int 1)
                                (match_operand:DI 2 "shift_count_operand" "M"))
               (const_int 0)))]
  ""
  "tbit.nz %0, %I0 = %1, %2"
  [(set_attr "itanium_class" "tbit")])
 
;; ::::::::::::::::::::
;; ::
;; :: Branches
;; ::
;; ::::::::::::::::::::
 
(define_insn "*br_true"
  [(set (pc)
        (if_then_else (match_operator 0 "predicate_operator"
                        [(match_operand:BI 1 "register_operand" "c")
                         (const_int 0)])
                      (label_ref (match_operand 2 "" ""))
                      (pc)))]
  ""
  "(%J0) br.cond%+ %l2"
  [(set_attr "itanium_class" "br")
   (set_attr "predicable" "no")])
 
(define_insn "*br_false"
  [(set (pc)
        (if_then_else (match_operator 0 "predicate_operator"
                        [(match_operand:BI 1 "register_operand" "c")
                         (const_int 0)])
                      (pc)
                      (label_ref (match_operand 2 "" ""))))]
  ""
  "(%j0) br.cond%+ %l2"
  [(set_attr "itanium_class" "br")
   (set_attr "predicable" "no")])
 
;; ::::::::::::::::::::
;; ::
;; :: Counted loop operations
;; ::
;; ::::::::::::::::::::
 
(define_expand "doloop_end"
  [(use (match_operand 0 "" ""))        ; loop pseudo
   (use (match_operand 1 "" ""))        ; iterations; zero if unknown
   (use (match_operand 2 "" ""))        ; max iterations
   (use (match_operand 3 "" ""))        ; loop level
   (use (match_operand 4 "" ""))]       ; label
  ""
{
  /* Only use cloop on innermost loops.  */
  if (INTVAL (operands[3]) > 1)
    FAIL;
  emit_jump_insn (gen_doloop_end_internal (gen_rtx_REG (DImode, AR_LC_REGNUM),
                                           operands[4]));
  DONE;
})
 
(define_insn "doloop_end_internal"
  [(set (pc) (if_then_else (ne (match_operand:DI 0 "ar_lc_reg_operand" "")
                               (const_int 0))
                (label_ref (match_operand 1 "" ""))
                (pc)))
   (set (match_dup 0) (if_then_else:DI (ne (match_dup 0) (const_int 0))
                         (plus:DI (match_dup 0) (const_int -1))
                         (match_dup 0)))]
  ""
  "br.cloop.sptk.few %l1"
  [(set_attr "itanium_class" "br")
   (set_attr "predicable" "no")])
 
;; ::::::::::::::::::::
;; ::
;; :: Set flag operations
;; ::
;; ::::::::::::::::::::
 
(define_expand "cstorebi4"
  [(set (match_operand:DI 0 "gr_register_operand" "")
        (match_operator:DI 1 "ia64_cbranch_operator"
                       [(match_operand:BI 2 "register_operand" "")
                        (match_operand:BI 3 "const_int_operand" "")]))]
  ""
  "ia64_expand_compare (&operands[1], &operands[2], &operands[3]);")
 
(define_expand "cstoresi4"
  [(set (match_operand:DI 0 "gr_register_operand" "")
        (match_operator:DI 1 "ia64_cbranch_operator"
                       [(match_operand:SI 2 "gr_register_operand" "")
                        (match_operand:SI 3 "gr_reg_or_8bit_and_adjusted_operand" "")]))]
  ""
  "ia64_expand_compare (&operands[1], &operands[2], &operands[3]);")
 
(define_expand "cstoredi4"
  [(set (match_operand:DI 0 "gr_register_operand" "")
        (match_operator:DI 1 "ia64_cbranch_operator"
                       [(match_operand:DI 2 "gr_register_operand" "")
                        (match_operand:DI 3 "gr_reg_or_8bit_and_adjusted_operand" "")]))]
  ""
  "ia64_expand_compare (&operands[1], &operands[2], &operands[3]);")
 
(define_expand "cstoresf4"
  [(set (match_operand:DI 0 "gr_register_operand" "")
        (match_operator:DI 1 "ia64_cbranch_operator"
                       [(match_operand:SF 2 "fr_reg_or_fp01_operand" "")
                        (match_operand:SF 3 "fr_reg_or_fp01_operand" "")]))]
  ""
  "ia64_expand_compare (&operands[1], &operands[2], &operands[3]);")
 
(define_expand "cstoredf4"
  [(set (match_operand:DI 0 "gr_register_operand" "")
        (match_operator:DI 1 "ia64_cbranch_operator"
                       [(match_operand:DF 2 "fr_reg_or_fp01_operand" "")
                        (match_operand:DF 3 "fr_reg_or_fp01_operand" "")]))]
  ""
  "ia64_expand_compare (&operands[1], &operands[2], &operands[3]);")
 
(define_expand "cstorexf4"
  [(set (match_operand:DI 0 "gr_register_operand" "")
        (match_operator:DI 1 "ia64_cbranch_operator"
                       [(match_operand:XF 2 "xfreg_or_fp01_operand" "")
                        (match_operand:XF 3 "xfreg_or_fp01_operand" "")]))]
  ""
  "ia64_expand_compare (&operands[1], &operands[2], &operands[3]);")
 
(define_expand "cstoretf4"
  [(set (match_operand:DI 0 "gr_register_operand" "")
        (match_operator:DI 1 "ia64_cbranch_operator"
                       [(match_operand:TF 2 "gr_register_operand" "")
                        (match_operand:TF 3 "gr_register_operand" "")]))]
  "TARGET_HPUX"
  "ia64_expand_compare (&operands[1], &operands[2], &operands[3]);")
 
;; Don't allow memory as destination here, because cmov/cmov/st is more
;; efficient than mov/mov/cst/cst.
 
(define_insn_and_split "*sne_internal"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (ne:DI (match_operand:BI 1 "register_operand" "c")
               (const_int 0)))]
  ""
  "#"
  "reload_completed"
  [(cond_exec (ne (match_dup 1) (const_int 0))
     (set (match_dup 0) (const_int 1)))
   (cond_exec (eq (match_dup 1) (const_int 0))
     (set (match_dup 0) (const_int 0)))]
  ""
  [(set_attr "itanium_class" "unknown")])
 
(define_insn_and_split "*seq_internal"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (eq:DI (match_operand:BI 1 "register_operand" "c")
               (const_int 0)))]
  ""
  "#"
  "reload_completed"
  [(cond_exec (ne (match_dup 1) (const_int 0))
     (set (match_dup 0) (const_int 0)))
   (cond_exec (eq (match_dup 1) (const_int 0))
     (set (match_dup 0) (const_int 1)))]
  ""
  [(set_attr "itanium_class" "unknown")])
 
;; ::::::::::::::::::::
;; ::
;; :: Conditional move instructions.
;; ::
;; ::::::::::::::::::::
 
;; ??? Add movXXcc patterns?
 
;;
;; DImode if_then_else patterns.
;;
 
(define_insn "*cmovdi_internal"
  [(set (match_operand:DI 0 "not_postinc_destination_operand"
           "= r,  r,  r,   r,  r,  r,   r, r, r,   r, m, Q, *f,*b,*d*e")
        (if_then_else:DI
          (match_operator 4 "predicate_operator"
            [(match_operand:BI 1 "register_operand"
                "c,c,c,c,c,c,c,c,c,c,c,c,c,c,c")
             (const_int 0)])
          (match_operand:DI 2 "not_postinc_move_operand"
           "rim, *f, *b,*d*e,rim,rim, rim,*f,*b,*d*e,rO,*f,rOQ,rO,  rK")
          (match_operand:DI 3 "not_postinc_move_operand"
           "rim,rim,rim, rim, *f, *b,*d*e,*f,*b,*d*e,rO,*f,rOQ,rO,  rK")))]
  "ia64_move_ok (operands[0], operands[2])
   && ia64_move_ok (operands[0], operands[3])"
  { gcc_unreachable (); }
  [(set_attr "predicable" "no")])
 
(define_split
  [(set (match_operand 0 "not_postinc_destination_operand" "")
        (if_then_else
          (match_operator 4 "predicate_operator"
            [(match_operand:BI 1 "register_operand" "")
             (const_int 0)])
          (match_operand 2 "not_postinc_move_operand" "")
          (match_operand 3 "not_postinc_move_operand" "")))]
  "reload_completed"
  [(const_int 0)]
{
  bool emitted_something = false;
  rtx dest = operands[0];
  rtx srct = operands[2];
  rtx srcf = operands[3];
  rtx cond = operands[4];
 
  if (! rtx_equal_p (dest, srct))
    {
      ia64_emit_cond_move (dest, srct, cond);
      emitted_something = true;
    }
  if (! rtx_equal_p (dest, srcf))
    {
      cond = gen_rtx_fmt_ee (GET_CODE (cond) == NE ? EQ : NE,
                             VOIDmode, operands[1], const0_rtx);
      ia64_emit_cond_move (dest, srcf, cond);
      emitted_something = true;
    }
  if (! emitted_something)
    emit_note (NOTE_INSN_DELETED);
  DONE;
})
 
;; Absolute value pattern.
 
(define_insn "*absdi2_internal"
  [(set (match_operand:DI 0 "gr_register_operand" "=r,r")
        (if_then_else:DI
          (match_operator 4 "predicate_operator"
            [(match_operand:BI 1 "register_operand" "c,c")
             (const_int 0)])
          (neg:DI (match_operand:DI 2 "gr_reg_or_22bit_operand" "rI,rI"))
          (match_operand:DI 3 "gr_reg_or_22bit_operand" "0,rI")))]
  ""
  "#"
  [(set_attr "itanium_class" "ialu,unknown")
   (set_attr "predicable" "no")])
 
(define_split
  [(set (match_operand:DI 0 "register_operand" "")
        (if_then_else:DI
          (match_operator 4 "predicate_operator"
            [(match_operand:BI 1 "register_operand" "c,c")
             (const_int 0)])
          (neg:DI (match_operand:DI 2 "gr_reg_or_22bit_operand" ""))
          (match_operand:DI 3 "gr_reg_or_22bit_operand" "")))]
  "reload_completed && rtx_equal_p (operands[0], operands[3])"
  [(cond_exec
     (match_dup 4)
     (set (match_dup 0)
          (neg:DI (match_dup 2))))]
  "")
 
(define_split
  [(set (match_operand:DI 0 "register_operand" "")
        (if_then_else:DI
          (match_operator 4 "predicate_operator"
            [(match_operand:BI 1 "register_operand" "c,c")
             (const_int 0)])
          (neg:DI (match_operand:DI 2 "gr_reg_or_22bit_operand" ""))
          (match_operand:DI 3 "gr_reg_or_22bit_operand" "")))]
  "reload_completed"
  [(cond_exec
     (match_dup 4)
     (set (match_dup 0) (neg:DI (match_dup 2))))
   (cond_exec
     (match_dup 5)
     (set (match_dup 0) (match_dup 3)))]
{
  operands[5] = gen_rtx_fmt_ee (GET_CODE (operands[4]) == NE ? EQ : NE,
                                VOIDmode, operands[1], const0_rtx);
})
 
;;
;; SImode if_then_else patterns.
;;
 
(define_insn "*cmovsi_internal"
  [(set (match_operand:SI 0 "not_postinc_destination_operand"
                "=r,m,*f,r,m,*f,r,m,*f")
        (if_then_else:SI
          (match_operator 4 "predicate_operator"
            [(match_operand:BI 1 "register_operand" "c,c,c,c,c,c,c,c,c")
             (const_int 0)])
          (match_operand:SI 2 "not_postinc_move_operand"
                    "0,0,0,rim*f,rO,rO,rim*f,rO,rO")
          (match_operand:SI 3 "not_postinc_move_operand"
                    "rim*f,rO,rO,0,0,0,rim*f,rO,rO")))]
  "ia64_move_ok (operands[0], operands[2])
   && ia64_move_ok (operands[0], operands[3])"
  { gcc_unreachable (); }
  [(set_attr "predicable" "no")])
 
(define_insn "*abssi2_internal"
  [(set (match_operand:SI 0 "gr_register_operand" "=r,r")
        (if_then_else:SI
          (match_operator 4 "predicate_operator"
            [(match_operand:BI 1 "register_operand" "c,c")
             (const_int 0)])
          (neg:SI (match_operand:SI 3 "gr_reg_or_22bit_operand" "rI,rI"))
          (match_operand:SI 2 "gr_reg_or_22bit_operand" "0,rI")))]
  ""
  "#"
  [(set_attr "itanium_class" "ialu,unknown")
   (set_attr "predicable" "no")])
 
(define_split
  [(set (match_operand:SI 0 "register_operand" "")
        (if_then_else:SI
          (match_operator 4 "predicate_operator"
            [(match_operand:BI 1 "register_operand" "c,c")
             (const_int 0)])
          (neg:SI (match_operand:SI 2 "gr_reg_or_22bit_operand" ""))
          (match_operand:SI 3 "gr_reg_or_22bit_operand" "")))]
  "reload_completed && rtx_equal_p (operands[0], operands[3])"
  [(cond_exec
     (match_dup 4)
     (set (match_dup 0)
          (neg:SI (match_dup 2))))]
  "")
 
(define_split
  [(set (match_operand:SI 0 "register_operand" "")
        (if_then_else:SI
          (match_operator 4 "predicate_operator"
            [(match_operand:BI 1 "register_operand" "c,c")
             (const_int 0)])
          (neg:SI (match_operand:SI 2 "gr_reg_or_22bit_operand" ""))
          (match_operand:SI 3 "gr_reg_or_22bit_operand" "")))]
  "reload_completed"
  [(cond_exec
     (match_dup 4)
     (set (match_dup 0) (neg:SI (match_dup 2))))
   (cond_exec
     (match_dup 5)
     (set (match_dup 0) (match_dup 3)))]
{
  operands[5] = gen_rtx_fmt_ee (GET_CODE (operands[4]) == NE ? EQ : NE,
                                VOIDmode, operands[1], const0_rtx);
})
 
(define_insn_and_split "*cond_opsi2_internal"
  [(set (match_operand:SI 0 "gr_register_operand" "=r")
        (match_operator:SI 5 "condop_operator"
          [(if_then_else:SI
             (match_operator 6 "predicate_operator"
               [(match_operand:BI 1 "register_operand" "c")
                (const_int 0)])
             (match_operand:SI 2 "gr_register_operand" "r")
             (match_operand:SI 3 "gr_register_operand" "r"))
           (match_operand:SI 4 "gr_register_operand" "r")]))]
  ""
  "#"
  "reload_completed"
  [(cond_exec
     (match_dup 6)
     (set (match_dup 0) (match_op_dup:SI 5 [(match_dup 2) (match_dup 4)])))
   (cond_exec
     (match_dup 7)
     (set (match_dup 0) (match_op_dup:SI 5 [(match_dup 3) (match_dup 4)])))]
{
  operands[7] = gen_rtx_fmt_ee (GET_CODE (operands[6]) == NE ? EQ : NE,
                                VOIDmode, operands[1], const0_rtx);
}
  [(set_attr "itanium_class" "ialu")
   (set_attr "predicable" "no")])
 
 
(define_insn_and_split "*cond_opsi2_internal_b"
  [(set (match_operand:SI 0 "gr_register_operand" "=r")
        (match_operator:SI 5 "condop_operator"
          [(match_operand:SI 4 "gr_register_operand" "r")
           (if_then_else:SI
             (match_operator 6 "predicate_operator"
               [(match_operand:BI 1 "register_operand" "c")
                (const_int 0)])
             (match_operand:SI 2 "gr_register_operand" "r")
             (match_operand:SI 3 "gr_register_operand" "r"))]))]
  ""
  "#"
  "reload_completed"
  [(cond_exec
     (match_dup 6)
     (set (match_dup 0) (match_op_dup:SI 5 [(match_dup 4) (match_dup 2)])))
   (cond_exec
     (match_dup 7)
     (set (match_dup 0) (match_op_dup:SI 5 [(match_dup 4) (match_dup 3)])))]
{
  operands[7] = gen_rtx_fmt_ee (GET_CODE (operands[6]) == NE ? EQ : NE,
                                VOIDmode, operands[1], const0_rtx);
}
  [(set_attr "itanium_class" "ialu")
   (set_attr "predicable" "no")])
 
 
;; ::::::::::::::::::::
;; ::
;; :: Call and branch instructions
;; ::
;; ::::::::::::::::::::
 
;; Subroutine call instruction returning no value.  Operand 0 is the function
;; to call; operand 1 is the number of bytes of arguments pushed (in mode
;; `SImode', except it is normally a `const_int'); operand 2 is the number of
;; registers used as operands.
 
;; On most machines, operand 2 is not actually stored into the RTL pattern.  It
;; is supplied for the sake of some RISC machines which need to put this
;; information into the assembler code; they can put it in the RTL instead of
;; operand 1.
 
(define_expand "call"
  [(use (match_operand:DI 0 "" ""))
   (use (match_operand 1 "" ""))
   (use (match_operand 2 "" ""))
   (use (match_operand 3 "" ""))]
  ""
{
  ia64_expand_call (NULL_RTX, operands[0], operands[2], false);
  DONE;
})
 
(define_expand "sibcall"
  [(use (match_operand:DI 0 "" ""))
   (use (match_operand 1 "" ""))
   (use (match_operand 2 "" ""))
   (use (match_operand 3 "" ""))]
  ""
{
  ia64_expand_call (NULL_RTX, operands[0], operands[2], true);
  DONE;
})
 
;; Subroutine call instruction returning a value.  Operand 0 is the hard
;; register in which the value is returned.  There are three more operands,
;; the same as the three operands of the `call' instruction (but with numbers
;; increased by one).
;;
;; Subroutines that return `BLKmode' objects use the `call' insn.
 
(define_expand "call_value"
  [(use (match_operand 0 "" ""))
   (use (match_operand:DI 1 "" ""))
   (use (match_operand 2 "" ""))
   (use (match_operand 3 "" ""))
   (use (match_operand 4 "" ""))]
  ""
{
  ia64_expand_call (operands[0], operands[1], operands[3], false);
  DONE;
})
 
(define_expand "sibcall_value"
  [(use (match_operand 0 "" ""))
   (use (match_operand:DI 1 "" ""))
   (use (match_operand 2 "" ""))
   (use (match_operand 3 "" ""))
   (use (match_operand 4 "" ""))]
  ""
{
  ia64_expand_call (operands[0], operands[1], operands[3], true);
  DONE;
})
 
;; Call subroutine returning any type.
 
(define_expand "untyped_call"
  [(parallel [(call (match_operand 0 "" "")
                    (const_int 0))
              (match_operand 1 "" "")
              (match_operand 2 "" "")])]
  ""
{
  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));
    }
 
  /* The optimizer does not know that the call sets the function value
     registers we stored in the result block.  We avoid problems by
     claiming that all hard registers are used and clobbered at this
     point.  */
  emit_insn (gen_blockage ());
 
  DONE;
})
 
(define_insn "call_nogp"
  [(call (mem:DI (match_operand:DI 0 "call_operand" "?b,s"))
         (const_int 0))
   (clobber (match_operand:DI 1 "register_operand" "=b,b"))]
  ""
  "br.call%+.many %1 = %0"
  [(set_attr "itanium_class" "br,scall")])
 
(define_insn "call_value_nogp"
  [(set (match_operand 0 "" "=X,X")
        (call (mem:DI (match_operand:DI 1 "call_operand" "?b,s"))
              (const_int 0)))
   (clobber (match_operand:DI 2 "register_operand" "=b,b"))]
  ""
  "br.call%+.many %2 = %1"
  [(set_attr "itanium_class" "br,scall")])
 
(define_insn "sibcall_nogp"
  [(call (mem:DI (match_operand:DI 0 "call_operand" "?b,s"))
         (const_int 0))]
  ""
  "br%+.many %0"
  [(set_attr "itanium_class" "br,scall")])
 
(define_insn "call_gp"
  [(call (mem:DI (match_operand:DI 0 "call_operand" "?r,s"))
         (const_int 1))
   (clobber (match_operand:DI 1 "register_operand" "=b,b"))
   (clobber (match_scratch:DI 2 "=&r,X"))
   (clobber (match_scratch:DI 3 "=b,X"))]
  ""
  "#"
  [(set_attr "itanium_class" "br,scall")])
 
;; Irritatingly, we don't have access to INSN within the split body.
;; See commentary in ia64_split_call as to why these aren't peep2.
(define_split
  [(call (mem (match_operand 0 "call_operand" ""))
         (const_int 1))
   (clobber (match_operand:DI 1 "register_operand" ""))
   (clobber (match_scratch:DI 2 ""))
   (clobber (match_scratch:DI 3 ""))]
  "reload_completed && find_reg_note (insn, REG_NORETURN, NULL_RTX)"
  [(const_int 0)]
{
  ia64_split_call (NULL_RTX, operands[0], operands[1], operands[2],
                   operands[3], true, false);
  DONE;
})
 
(define_split
  [(call (mem (match_operand 0 "call_operand" ""))
         (const_int 1))
   (clobber (match_operand:DI 1 "register_operand" ""))
   (clobber (match_scratch:DI 2 ""))
   (clobber (match_scratch:DI 3 ""))]
  "reload_completed"
  [(const_int 0)]
{
  ia64_split_call (NULL_RTX, operands[0], operands[1], operands[2],
                   operands[3], false, false);
  DONE;
})
 
(define_insn "call_value_gp"
  [(set (match_operand 0 "" "=X,X")
        (call (mem:DI (match_operand:DI 1 "call_operand" "?r,s"))
              (const_int 1)))
   (clobber (match_operand:DI 2 "register_operand" "=b,b"))
   (clobber (match_scratch:DI 3 "=&r,X"))
   (clobber (match_scratch:DI 4 "=b,X"))]
  ""
  "#"
  [(set_attr "itanium_class" "br,scall")])
 
(define_split
  [(set (match_operand 0 "" "")
        (call (mem:DI (match_operand:DI 1 "call_operand" ""))
              (const_int 1)))
   (clobber (match_operand:DI 2 "register_operand" ""))
   (clobber (match_scratch:DI 3 ""))
   (clobber (match_scratch:DI 4 ""))]
  "reload_completed && find_reg_note (insn, REG_NORETURN, NULL_RTX)"
  [(const_int 0)]
{
  ia64_split_call (operands[0], operands[1], operands[2], operands[3],
                   operands[4], true, false);
  DONE;
})
 
(define_split
  [(set (match_operand 0 "" "")
        (call (mem:DI (match_operand:DI 1 "call_operand" ""))
              (const_int 1)))
   (clobber (match_operand:DI 2 "register_operand" ""))
   (clobber (match_scratch:DI 3 ""))
   (clobber (match_scratch:DI 4 ""))]
  "reload_completed"
  [(const_int 0)]
{
  ia64_split_call (operands[0], operands[1], operands[2], operands[3],
                   operands[4], false, false);
  DONE;
})
 
(define_insn_and_split "sibcall_gp"
  [(call (mem:DI (match_operand:DI 0 "call_operand" "?r,s"))
         (const_int 1))
   (clobber (match_scratch:DI 1 "=&r,X"))
   (clobber (match_scratch:DI 2 "=b,X"))]
  ""
  "#"
  "reload_completed"
  [(const_int 0)]
{
  ia64_split_call (NULL_RTX, operands[0], NULL_RTX, operands[1],
                   operands[2], true, true);
  DONE;
}
  [(set_attr "itanium_class" "br")])
 
(define_insn "return_internal"
  [(return)
   (use (match_operand:DI 0 "register_operand" "b"))]
  ""
  "br.ret.sptk.many %0"
  [(set_attr "itanium_class" "br")])
 
(define_insn "return"
  [(return)]
  "ia64_direct_return ()"
  "br.ret.sptk.many rp"
  [(set_attr "itanium_class" "br")])
 
(define_insn "*return_true"
  [(set (pc)
        (if_then_else (match_operator 0 "predicate_operator"
                        [(match_operand:BI 1 "register_operand" "c")
                         (const_int 0)])
                      (return)
                      (pc)))]
  "ia64_direct_return ()"
  "(%J0) br.ret%+.many rp"
  [(set_attr "itanium_class" "br")
   (set_attr "predicable" "no")])
 
(define_insn "*return_false"
  [(set (pc)
        (if_then_else (match_operator 0 "predicate_operator"
                        [(match_operand:BI 1 "register_operand" "c")
                         (const_int 0)])
                      (pc)
                      (return)))]
  "ia64_direct_return ()"
  "(%j0) br.ret%+.many rp"
  [(set_attr "itanium_class" "br")
   (set_attr "predicable" "no")])
 
(define_insn "jump"
  [(set (pc) (label_ref (match_operand 0 "" "")))]
  ""
  "br %l0"
  [(set_attr "itanium_class" "br")])
 
(define_insn "indirect_jump"
  [(set (pc) (match_operand:DI 0 "register_operand" "b"))]
  ""
  "br %0"
  [(set_attr "itanium_class" "br")])
 
(define_expand "tablejump"
  [(parallel [(set (pc) (match_operand:DI 0 "memory_operand" ""))
              (use (label_ref (match_operand 1 "" "")))])]
  ""
{
  rtx op0 = operands[0];
  rtx addr;
 
  /* ??? Bother -- do_tablejump is "helpful" and pulls the table
     element into a register without bothering to see whether that
     is necessary given the operand predicate.  Check for MEM just
     in case someone fixes this.  */
  if (GET_CODE (op0) == MEM)
    addr = XEXP (op0, 0);
  else
    {
      /* Otherwise, cheat and guess that the previous insn in the
         stream was the memory load.  Grab the address from that.
         Note we have to momentarily pop out of the sequence started
         by the insn-emit wrapper in order to grab the last insn.  */
      rtx last, set;
 
      end_sequence ();
      last = get_last_insn ();
      start_sequence ();
      set = single_set (last);
 
      gcc_assert (rtx_equal_p (SET_DEST (set), op0)
                  && GET_CODE (SET_SRC (set)) == MEM);
      addr = XEXP (SET_SRC (set), 0);
      gcc_assert (!rtx_equal_p (addr, op0));
    }
 
  /* Jump table elements are stored pc-relative.  That is, a displacement
     from the entry to the label.  Thus to convert to an absolute address
     we add the address of the memory from which the value is loaded.  */
  operands[0] = expand_simple_binop (DImode, PLUS, op0, addr,
                                     NULL_RTX, 1, OPTAB_DIRECT);
})
 
(define_insn "*tablejump_internal"
  [(set (pc) (match_operand:DI 0 "register_operand" "b"))
   (use (label_ref (match_operand 1 "" "")))]
  ""
  "br %0"
  [(set_attr "itanium_class" "br")])
 
 
;; ::::::::::::::::::::
;; ::
;; :: Prologue and Epilogue instructions
;; ::
;; ::::::::::::::::::::
 
(define_expand "prologue"
  [(const_int 1)]
  ""
{
  ia64_expand_prologue ();
  DONE;
})
 
(define_expand "epilogue"
  [(return)]
  ""
{
  ia64_expand_epilogue (0);
  DONE;
})
 
(define_expand "sibcall_epilogue"
  [(return)]
  ""
{
  ia64_expand_epilogue (1);
  DONE;
})
 
;; This prevents the scheduler from moving the SP decrement past FP-relative
;; stack accesses.  This is the same as adddi3 plus the extra set.
 
(define_insn "prologue_allocate_stack"
  [(set (match_operand:DI 0 "register_operand" "=r,r,r")
        (plus:DI (match_operand:DI 1 "register_operand" "%r,r,a")
                 (match_operand:DI 2 "gr_reg_or_22bit_operand" "r,I,J")))
   (set (match_operand:DI 3 "register_operand" "+r,r,r")
        (match_dup 3))]
  ""
  "@
   add %0 = %1, %2
   adds %0 = %2, %1
   addl %0 = %2, %1"
  [(set_attr "itanium_class" "ialu")])
 
;; This prevents the scheduler from moving the SP restore past FP-relative
;; stack accesses.  This is similar to movdi plus the extra set.
 
(define_insn "epilogue_deallocate_stack"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (match_operand:DI 1 "register_operand" "+r"))
   (set (match_dup 1) (match_dup 1))]
  ""
  "mov %0 = %1"
  [(set_attr "itanium_class" "ialu")])
 
;; As USE insns aren't meaningful after reload, this is used instead
;; to prevent deleting instructions setting registers for EH handling
(define_insn "prologue_use"
  [(unspec:DI [(match_operand:DI 0 "register_operand" "")]
              UNSPEC_PROLOGUE_USE)]
  ""
  ""
  [(set_attr "itanium_class" "ignore")
   (set_attr "predicable" "no")
   (set_attr "empty" "yes")])
 
;; Allocate a new register frame.
 
(define_insn "alloc"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (unspec_volatile:DI [(const_int 0)] UNSPECV_ALLOC))
   (use (match_operand:DI 1 "const_int_operand" "i"))
   (use (match_operand:DI 2 "const_int_operand" "i"))
   (use (match_operand:DI 3 "const_int_operand" "i"))
   (use (match_operand:DI 4 "const_int_operand" "i"))]
  ""
  "alloc %0 = ar.pfs, %1, %2, %3, %4"
  [(set_attr "itanium_class" "syst_m0")
   (set_attr "predicable" "no")
   (set_attr "first_insn" "yes")])
 
;; Modifies ar.unat
(define_expand "gr_spill"
  [(parallel [(set (match_operand:DI 0 "memory_operand" "=m")
                   (unspec:DI [(match_operand:DI 1 "register_operand" "r")
                               (match_operand:DI 2 "const_int_operand" "")]
                              UNSPEC_GR_SPILL))
              (clobber (match_dup 3))])]
  ""
  "operands[3] = gen_rtx_REG (DImode, AR_UNAT_REGNUM);")
 
(define_insn "gr_spill_internal"
  [(set (match_operand:DI 0 "destination_operand" "=m")
        (unspec:DI [(match_operand:DI 1 "register_operand" "r")
                    (match_operand:DI 2 "const_int_operand" "")]
                   UNSPEC_GR_SPILL))
   (clobber (match_operand:DI 3 "register_operand" ""))]
  ""
{
  /* Note that we use a C output pattern here to avoid the predicate
     being automatically added before the .mem.offset directive.  */
  return ".mem.offset %2, 0\;%,st8.spill %0 = %1%P0";
}
  [(set_attr "itanium_class" "st")])
 
;; Reads ar.unat
(define_expand "gr_restore"
  [(parallel [(set (match_operand:DI 0 "register_operand" "=r")
                   (unspec:DI [(match_operand:DI 1 "memory_operand" "m")
                               (match_operand:DI 2 "const_int_operand" "")]
                              UNSPEC_GR_RESTORE))
              (use (match_dup 3))])]
  ""
  "operands[3] = gen_rtx_REG (DImode, AR_UNAT_REGNUM);")
 
(define_insn "gr_restore_internal"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (unspec:DI [(match_operand:DI 1 "memory_operand" "m")
                    (match_operand:DI 2 "const_int_operand" "")]
                   UNSPEC_GR_RESTORE))
   (use (match_operand:DI 3 "register_operand" ""))]
  ""
  { return ".mem.offset %2, 0\;%,ld8.fill %0 = %1%P1"; }
  [(set_attr "itanium_class" "ld")])
 
(define_insn "fr_spill"
  [(set (match_operand:XF 0 "destination_operand" "=m")
        (unspec:XF [(match_operand:XF 1 "register_operand" "f")]
                   UNSPEC_FR_SPILL))]
  ""
  "stf.spill %0 = %1%P0"
  [(set_attr "itanium_class" "stf")])
 
(define_insn "fr_restore"
  [(set (match_operand:XF 0 "register_operand" "=f")
        (unspec:XF [(match_operand:XF 1 "memory_operand" "m")]
                   UNSPEC_FR_RESTORE))]
  ""
  "ldf.fill %0 = %1%P1"
  [(set_attr "itanium_class" "fld")])
 
;; ??? The explicit stop is not ideal.  It would be better if
;; rtx_needs_barrier took care of this, but this is something that can be
;; fixed later.  This avoids an RSE DV.
 
(define_insn "bsp_value"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (unspec:DI [(const_int 0)] UNSPEC_BSP_VALUE))]
  ""
  "*
{
  return \";;\;%,mov %0 = ar.bsp\";
}"
  [(set_attr "itanium_class" "frar_i")])
 
(define_insn "set_bsp"
  [(unspec_volatile [(match_operand:DI 0 "register_operand" "r")]
                    UNSPECV_SET_BSP)]
  ""
  "flushrs
        mov r19=ar.rsc
        ;;
        and r19=0x1c,r19
        ;;
        mov ar.rsc=r19
        ;;
        mov ar.bspstore=%0
        ;;
        or r19=0x3,r19
        ;;
        loadrs
        invala
        ;;
        mov ar.rsc=r19"
  [(set_attr "itanium_class" "unknown")
   (set_attr "predicable" "no")])
 
;; ??? The explicit stops are not ideal.  It would be better if
;; rtx_needs_barrier took care of this, but this is something that can be
;; fixed later.  This avoids an RSE DV.
 
(define_insn "flushrs"
  [(unspec [(const_int 0)] UNSPEC_FLUSHRS)]
  ""
  ";;\;flushrs\;;;"
  [(set_attr "itanium_class" "rse_m")
   (set_attr "predicable" "no")])
 
;; ::::::::::::::::::::
;; ::
;; :: Miscellaneous instructions
;; ::
;; ::::::::::::::::::::
 
;; ??? Emitting a NOP instruction isn't very useful.  This should probably
;; be emitting ";;" to force a break in the instruction packing.
 
;; No operation, needed in case the user uses -g but not -O.
(define_insn "nop"
  [(const_int 0)]
  ""
  "nop 0"
  [(set_attr "itanium_class" "nop")])
 
(define_insn "nop_m"
  [(const_int 1)]
  ""
  "nop.m 0"
  [(set_attr "itanium_class" "nop_m")])
 
(define_insn "nop_i"
  [(const_int 2)]
  ""
  "nop.i 0"
  [(set_attr "itanium_class" "nop_i")])
 
(define_insn "nop_f"
  [(const_int 3)]
  ""
  "nop.f 0"
  [(set_attr "itanium_class" "nop_f")])
 
(define_insn "nop_b"
  [(const_int 4)]
  ""
  "nop.b 0"
  [(set_attr "itanium_class" "nop_b")])
 
(define_insn "nop_x"
  [(const_int 5)]
  ""
  ""
  [(set_attr "itanium_class" "nop_x")
   (set_attr "empty" "yes")])
 
;; The following insn will be never generated.  It is used only by
;; insn scheduler to change state before advancing cycle.
(define_insn "pre_cycle"
  [(const_int 6)]
  ""
  ""
  [(set_attr "itanium_class" "pre_cycle")])
 
(define_insn "bundle_selector"
  [(unspec [(match_operand 0 "const_int_operand" "")] UNSPEC_BUNDLE_SELECTOR)]
  ""
  { return get_bundle_name (INTVAL (operands[0])); }
  [(set_attr "itanium_class" "ignore")
   (set_attr "predicable" "no")])
 
;; Pseudo instruction that prevents the scheduler from moving code above this
;; point.
(define_insn "blockage"
  [(unspec_volatile [(const_int 0)] UNSPECV_BLOCKAGE)]
  ""
  ""
  [(set_attr "itanium_class" "ignore")
   (set_attr "predicable" "no")])
 
(define_insn "insn_group_barrier"
  [(unspec_volatile [(match_operand 0 "const_int_operand" "")]
                    UNSPECV_INSN_GROUP_BARRIER)]
  ""
  ";;"
  [(set_attr "itanium_class" "stop_bit")
   (set_attr "predicable" "no")
   (set_attr "empty" "yes")])
 
(define_expand "trap"
  [(trap_if (const_int 1) (const_int 0))]
  ""
  "")
 
;; ??? We don't have a match-any slot type.  Setting the type to unknown
;; produces worse code that setting the slot type to A.
 
(define_insn "*trap"
  [(trap_if (const_int 1) (match_operand 0 "const_int_operand" ""))]
  ""
  "break %0"
  [(set_attr "itanium_class" "chk_s_i")])
 
(define_expand "ctrapbi4"
  [(trap_if (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:BI 1 "register_operand" "")
                        (match_operand:BI 2 "const_int_operand" "")])
                      (match_operand 3 "" ""))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "ctrapsi4"
  [(trap_if (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:SI 1 "gr_register_operand" "")
                        (match_operand:SI 2 "gr_reg_or_8bit_and_adjusted_operand" "")])
                       (match_operand 3 "" ""))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "ctrapdi4"
  [(trap_if (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:DI 1 "gr_register_operand" "")
                        (match_operand:DI 2 "gr_reg_or_8bit_and_adjusted_operand" "")])
                       (match_operand 3 "" ""))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "ctrapsf4"
  [(trap_if (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:SF 1 "fr_reg_or_fp01_operand" "")
                        (match_operand:SF 2 "fr_reg_or_fp01_operand" "")])
                       (match_operand 3 "" ""))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "ctrapdf4"
  [(trap_if (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:DF 1 "fr_reg_or_fp01_operand" "")
                        (match_operand:DF 2 "fr_reg_or_fp01_operand" "")])
                       (match_operand 3 "" ""))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "ctrapxf4"
  [(trap_if (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:XF 1 "xfreg_or_fp01_operand" "")
                        (match_operand:XF 2 "xfreg_or_fp01_operand" "")])
                       (match_operand 3 "" ""))]
  ""
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
(define_expand "ctraptf4"
  [(trap_if (match_operator 0 "ia64_cbranch_operator"
                       [(match_operand:TF 1 "gr_register_operand" "")
                        (match_operand:TF 2 "gr_register_operand" "")])
                       (match_operand 3 "" ""))]
  "TARGET_HPUX"
  "ia64_expand_compare (&operands[0], &operands[1], &operands[2]);")
 
 
(define_insn "*conditional_trap"
  [(trap_if (match_operator 0 "predicate_operator"
              [(match_operand:BI 1 "register_operand" "c")
               (const_int 0)])
            (match_operand 2 "const_int_operand" ""))]
  ""
  "(%J0) break %2"
  [(set_attr "itanium_class" "chk_s_i")
   (set_attr "predicable" "no")])
 
(define_insn "break_f"
  [(unspec_volatile [(const_int 0)] UNSPECV_BREAK)]
  ""
  "break.f 0"
  [(set_attr "itanium_class" "nop_f")])
 
(define_insn "prefetch"
  [(prefetch (match_operand:DI 0 "address_operand" "p")
             (match_operand:DI 1 "const_int_operand" "n")
             (match_operand:DI 2 "const_int_operand" "n"))]
  ""
{
  static const char * const alt[2][4] = {
    {
      "%,lfetch.nta [%0]",
      "%,lfetch.nt1 [%0]",
      "%,lfetch.nt2 [%0]",
      "%,lfetch [%0]"
    },
    {
      "%,lfetch.excl.nta [%0]",
      "%,lfetch.excl.nt1 [%0]",
      "%,lfetch.excl.nt2 [%0]",
      "%,lfetch.excl [%0]"
    }
  };
  int i = (INTVAL (operands[1]));
  int j = (INTVAL (operands[2]));
 
  gcc_assert (i == 0 || i == 1);
  gcc_assert (j >= 0 && j <= 3);
  return alt[i][j];
}
  [(set_attr "itanium_class" "lfetch")])
 
;; Non-local goto support.
 
(define_expand "save_stack_nonlocal"
  [(use (match_operand:OI 0 "memory_operand" ""))
   (use (match_operand:DI 1 "register_operand" ""))]
  ""
{
  emit_library_call (gen_rtx_SYMBOL_REF (Pmode,
                                         \"__ia64_save_stack_nonlocal\"),
                     LCT_NORMAL, VOIDmode, 2, XEXP (operands[0], 0), Pmode,
                     operands[1], Pmode);
  DONE;
})
 
(define_expand "nonlocal_goto"
  [(use (match_operand 0 "general_operand" ""))
   (use (match_operand 1 "general_operand" ""))
   (use (match_operand 2 "general_operand" ""))
   (use (match_operand 3 "general_operand" ""))]
  ""
{
  emit_library_call (gen_rtx_SYMBOL_REF (Pmode, \"__ia64_nonlocal_goto\"),
                     LCT_NORETURN, VOIDmode, 3,
                     operands[1], Pmode,
                     copy_to_reg (XEXP (operands[2], 0)), Pmode,
                     operands[3], Pmode);
  emit_barrier ();
  DONE;
})
 
(define_insn_and_split "nonlocal_goto_receiver"
  [(unspec_volatile [(const_int 0)] UNSPECV_GOTO_RECEIVER)]
  ""
  "#"
  "reload_completed"
  [(const_int 0)]
{
  ia64_reload_gp ();
  DONE;
})
 
(define_insn_and_split "builtin_setjmp_receiver"
  [(unspec_volatile [(match_operand:DI 0 "" "")] UNSPECV_SETJMP_RECEIVER)]
  ""
  "#"
  "reload_completed"
  [(const_int 0)]
{
  ia64_reload_gp ();
  DONE;
})
 
(define_expand "eh_epilogue"
  [(use (match_operand:DI 0 "register_operand" "r"))
   (use (match_operand:DI 1 "register_operand" "r"))
   (use (match_operand:DI 2 "register_operand" "r"))]
  ""
{
  rtx bsp = gen_rtx_REG (Pmode, 10);
  rtx sp = gen_rtx_REG (Pmode, 9);
 
  if (GET_CODE (operands[0]) != REG || REGNO (operands[0]) != 10)
    {
      emit_move_insn (bsp, operands[0]);
      operands[0] = bsp;
    }
  if (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != 9)
    {
      emit_move_insn (sp, operands[2]);
      operands[2] = sp;
    }
  emit_use (sp);
  emit_use (bsp);
 
  cfun->machine->ia64_eh_epilogue_sp = sp;
  cfun->machine->ia64_eh_epilogue_bsp = bsp;
})
 
;; Builtin apply support.
 
(define_expand "restore_stack_nonlocal"
  [(use (match_operand:DI 0 "register_operand" ""))
   (use (match_operand:OI 1 "memory_operand" ""))]
  ""
{
  emit_library_call (gen_rtx_SYMBOL_REF (Pmode,
                                         "__ia64_restore_stack_nonlocal"),
                     LCT_NORMAL, VOIDmode, 1,
                     copy_to_reg (XEXP (operands[1], 0)), Pmode);
  DONE;
})
 
 
;; Predication.
 
(define_cond_exec
  [(match_operator 0 "predicate_operator"
     [(match_operand:BI 1 "register_operand" "c")
      (const_int 0)])]
  ""
  "(%J0)")
 
(define_insn "pred_rel_mutex"
  [(set (match_operand:BI 0 "register_operand" "+c")
       (unspec:BI [(match_dup 0)] UNSPEC_PRED_REL_MUTEX))]
  ""
  ".pred.rel.mutex %0, %I0"
  [(set_attr "itanium_class" "ignore")
   (set_attr "predicable" "no")])
 
(define_insn "safe_across_calls_all"
  [(unspec_volatile [(const_int 0)] UNSPECV_PSAC_ALL)]
  ""
  ".pred.safe_across_calls p1-p63"
  [(set_attr "itanium_class" "ignore")
   (set_attr "predicable" "no")])
 
(define_insn "safe_across_calls_normal"
  [(unspec_volatile [(const_int 0)] UNSPECV_PSAC_NORMAL)]
  ""
{
  emit_safe_across_calls ();
  return "";
}
  [(set_attr "itanium_class" "ignore")
   (set_attr "predicable" "no")])
 
;; UNSPEC instruction definition to "swizzle" 32-bit pointer into 64-bit
;; pointer.  This is used by the HP-UX 32 bit mode.
 
(define_insn "ptr_extend"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (unspec:DI [(match_operand:SI 1 "gr_register_operand" "r")]
                   UNSPEC_ADDP4))]
  ""
  "addp4 %0 = 0,%1"
  [(set_attr "itanium_class" "ialu")])
 
;;
;; Optimizations for ptr_extend
 
(define_insn "ptr_extend_plus_imm"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (unspec:DI
         [(plus:SI (match_operand:SI 1 "basereg_operand" "r")
                   (match_operand:SI 2 "gr_reg_or_14bit_operand" "rI"))]
         UNSPEC_ADDP4))]
  "addp4_optimize_ok (operands[1], operands[2])"
  "addp4 %0 = %2, %1"
  [(set_attr "itanium_class" "ialu")])
 
(define_insn "*ptr_extend_plus_2"
  [(set (match_operand:DI 0 "gr_register_operand" "=r")
        (unspec:DI
         [(plus:SI (match_operand:SI 1 "gr_register_operand" "r")
                   (match_operand:SI 2 "basereg_operand" "r"))]
         UNSPEC_ADDP4))]
  "addp4_optimize_ok (operands[1], operands[2])"
  "addp4 %0 = %1, %2"
  [(set_attr "itanium_class" "ialu")])
 
;;
;; Get instruction pointer
 
(define_insn "ip_value"
  [(set (match_operand:DI 0 "register_operand" "=r")
        (pc))]
 ""
 "mov %0 = ip"
  [(set_attr "itanium_class" "frbr")])
 
;; Vector operations
(include "vect.md")
;; Atomic operations
(include "sync.md")
;; New division operations
(include "div.md")
Browse

Tools

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [ia64/] [ia64.md] - Blame information for rev 749

Line No.	Rev	Author	Line
1	709	jeremybenn	`;; IA-64 Machine description template`
2			`;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,`
3			`;; 2009, 2010 Free Software Foundation, Inc.`
4			`;; Contributed by James E. Wilson and`
5			`;; David Mosberger .`
6
7			`;; This file is part of GCC.`
8
9			`;; GCC is free software; you can redistribute it and/or modify`
10			`;; it under the terms of the GNU General Public License as published by`
11			`;; the Free Software Foundation; either version 3, or (at your option)`
12			`;; any later version.`
13
14			`;; GCC is distributed in the hope that it will be useful,`
15			`;; but WITHOUT ANY WARRANTY; without even the implied warranty of`
16			`;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
17			`;; GNU General Public License for more details.`
18
19			`;; You should have received a copy of the GNU General Public License`
20			`;; along with GCC; see the file COPYING3. If not see`
21			`;; .`
22
23			`;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.`
24
25			`;; ??? register_operand accepts (subreg:DI (mem:SI X)) which forces later`
26			`;; reload. This will be fixed once scheduling support is turned on.`
27
28			`;; ??? Optimize for post-increment addressing modes.`
29
30			`;; ??? fselect is not supported, because there is no integer register`
31			`;; equivalent.`
32
33			`;; ??? fp abs/min/max instructions may also work for integer values.`
34
35			`;; ??? Would a predicate_reg_operand predicate be useful? The HP one is buggy,`
36			`;; it assumes the operand is a register and takes REGNO of it without checking.`
37
38			`;; ??? Would a branch_reg_operand predicate be useful? The HP one is buggy,`
39			`;; it assumes the operand is a register and takes REGNO of it without checking.`
40