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;; VSX patterns.
;; Copyright (C) 2009
;; Free Software Foundation, Inc.
;; Contributed by Michael Meissner <meissner@linux.vnet.ibm.com>

;; This file is part of GCC.

;; GCC is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published
;; by the Free Software Foundation; either version 3, or (at your
;; option) any later version.

;; GCC is distributed in the hope that it will be useful, but WITHOUT
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
;; License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GCC; see the file COPYING3.  If not see
;; <http://www.gnu.org/licenses/>.

;; Iterator for both scalar and vector floating point types supported by VSX
(define_mode_iterator VSX_B [DF V4SF V2DF])

;; Iterator for the 2 64-bit vector types
(define_mode_iterator VSX_D [V2DF V2DI])

;; Iterator for the 2 32-bit vector types
(define_mode_iterator VSX_W [V4SF V4SI])

;; Iterator for vector floating point types supported by VSX
(define_mode_iterator VSX_F [V4SF V2DF])

;; Iterator for logical types supported by VSX
(define_mode_iterator VSX_L [V16QI V8HI V4SI V2DI V4SF V2DF TI])

;; Iterator for memory move.  Handle TImode specially to allow
;; it to use gprs as well as vsx registers.
(define_mode_iterator VSX_M [V16QI V8HI V4SI V2DI V4SF V2DF])

;; Map into the appropriate load/store name based on the type
(define_mode_attr VSm  [(V16QI "vw4")
                        (V8HI  "vw4")
                        (V4SI  "vw4")
                        (V4SF  "vw4")
                        (V2DF  "vd2")
                        (V2DI  "vd2")
                        (DF    "d")
                        (TI    "vw4")])

;; Map into the appropriate suffix based on the type
(define_mode_attr VSs   [(V16QI "sp")
                         (V8HI  "sp")
                         (V4SI  "sp")
                         (V4SF  "sp")
                         (V2DF  "dp")
                         (V2DI  "dp")
                         (DF    "dp")
                         (SF    "sp")
                         (TI    "sp")])

;; Map the register class used
(define_mode_attr VSr   [(V16QI "v")
                         (V8HI  "v")
                         (V4SI  "v")
                         (V4SF  "wf")
                         (V2DI  "wd")
                         (V2DF  "wd")
                         (DF    "ws")
                         (SF    "d")
                         (TI    "wd")])

;; Map the register class used for float<->int conversions
(define_mode_attr VSr2  [(V2DF  "wd")
                         (V4SF  "wf")
                         (DF    "!f#r")])

(define_mode_attr VSr3  [(V2DF  "wa")
                         (V4SF  "wa")
                         (DF    "!f#r")])

;; Map the register class for sp<->dp float conversions, destination
(define_mode_attr VSr4  [(SF    "ws")
                         (DF    "f")
                         (V2DF  "wd")
                         (V4SF  "v")])

;; Map the register class for sp<->dp float conversions, destination
(define_mode_attr VSr5  [(SF    "ws")
                         (DF    "f")
                         (V2DF  "v")
                         (V4SF  "wd")])

;; Same size integer type for floating point data
(define_mode_attr VSi [(V4SF  "v4si")
                       (V2DF  "v2di")
                       (DF    "di")])

(define_mode_attr VSI [(V4SF  "V4SI")
                       (V2DF  "V2DI")
                       (DF    "DI")])

;; Word size for same size conversion
(define_mode_attr VSc [(V4SF "w")
                       (V2DF "d")
                       (DF   "d")])

;; Map into either s or v, depending on whether this is a scalar or vector
;; operation
(define_mode_attr VSv   [(V16QI "v")
                         (V8HI  "v")
                         (V4SI  "v")
                         (V4SF  "v")
                         (V2DI  "v")
                         (V2DF  "v")
                         (TI    "v")
                         (DF    "s")])

;; Appropriate type for add ops (and other simple FP ops)
(define_mode_attr VStype_simple [(V2DF "vecfloat")
                                 (V4SF "vecfloat")
                                 (DF   "fp")])

(define_mode_attr VSfptype_simple [(V2DF "fp_addsub_d")
                                   (V4SF "fp_addsub_s")
                                   (DF   "fp_addsub_d")])

;; Appropriate type for multiply ops
(define_mode_attr VStype_mul    [(V2DF "vecfloat")
                                 (V4SF "vecfloat")
                                 (DF   "dmul")])

(define_mode_attr VSfptype_mul  [(V2DF "fp_mul_d")
                                 (V4SF "fp_mul_s")
                                 (DF   "fp_mul_d")])

;; Appropriate type for divide ops.  For now, just lump the vector divide with
;; the scalar divides
(define_mode_attr VStype_div    [(V2DF "ddiv")
                                 (V4SF "sdiv")
                                 (DF   "ddiv")])

(define_mode_attr VSfptype_div  [(V2DF "fp_div_d")
                                 (V4SF "fp_div_s")
                                 (DF   "fp_div_d")])

;; Appropriate type for sqrt ops.  For now, just lump the vector sqrt with
;; the scalar sqrt
(define_mode_attr VStype_sqrt   [(V2DF "dsqrt")
                                 (V4SF "sdiv")
                                 (DF   "ddiv")])

(define_mode_attr VSfptype_sqrt [(V2DF "fp_sqrt_d")
                                 (V4SF "fp_sqrt_s")
                                 (DF   "fp_sqrt_d")])

;; Iterator and modes for sp<->dp conversions
;; Because scalar SF values are represented internally as double, use the
;; V4SF type to represent this than SF.
(define_mode_iterator VSX_SPDP [DF V4SF V2DF])

(define_mode_attr VS_spdp_res [(DF      "V4SF")
                               (V4SF    "V2DF")
                               (V2DF    "V4SF")])

(define_mode_attr VS_spdp_insn [(DF     "xscvdpsp")
                                (V4SF   "xvcvspdp")
                                (V2DF   "xvcvdpsp")])

(define_mode_attr VS_spdp_type [(DF     "fp")
                                (V4SF   "vecfloat")
                                (V2DF   "vecfloat")])

;; Map the scalar mode for a vector type
(define_mode_attr VS_scalar [(V2DF      "DF")
                             (V2DI      "DI")
                             (V4SF      "SF")
                             (V4SI      "SI")
                             (V8HI      "HI")
                             (V16QI     "QI")])
                             
;; Constants for creating unspecs
(define_constants
  [(UNSPEC_VSX_CONCAT           500)
   (UNSPEC_VSX_CVDPSXWS         501)
   (UNSPEC_VSX_CVDPUXWS         502)
   (UNSPEC_VSX_CVSPDP           503)
   (UNSPEC_VSX_CVSXWDP          504)
   (UNSPEC_VSX_CVUXWDP          505)
   (UNSPEC_VSX_CVSXDSP          506)
   (UNSPEC_VSX_CVUXDSP          507)
   (UNSPEC_VSX_CVSPSXDS         508)
   (UNSPEC_VSX_CVSPUXDS         509)
   (UNSPEC_VSX_MADD             510)
   (UNSPEC_VSX_MSUB             511)
   (UNSPEC_VSX_NMADD            512)
   (UNSPEC_VSX_NMSUB            513)
   (UNSPEC_VSX_RSQRTE           514)
   (UNSPEC_VSX_TDIV             515)
   (UNSPEC_VSX_TSQRT            516)
   (UNSPEC_VSX_XXPERMDI         517)
   (UNSPEC_VSX_SET              518)
   (UNSPEC_VSX_ROUND_I          519)
   (UNSPEC_VSX_ROUND_IC         520)
   (UNSPEC_VSX_SLDWI            521)])

;; VSX moves
(define_insn "*vsx_mov<mode>"
  [(set (match_operand:VSX_M 0 "nonimmediate_operand" "=Z,<VSr>,<VSr>,?Z,?wa,?wa,*o,*r,*r,<VSr>,?wa,v,wZ,v")
        (match_operand:VSX_M 1 "input_operand" "<VSr>,Z,<VSr>,wa,Z,wa,r,o,r,j,j,W,v,wZ"))]
  "VECTOR_MEM_VSX_P (<MODE>mode)
   && (register_operand (operands[0], <MODE>mode) 
       || register_operand (operands[1], <MODE>mode))"
{
  switch (which_alternative)
    {
    case 0:
    case 3:
      gcc_assert (MEM_P (operands[0])
                  && GET_CODE (XEXP (operands[0], 0)) != PRE_INC
                  && GET_CODE (XEXP (operands[0], 0)) != PRE_DEC
                  && GET_CODE (XEXP (operands[0], 0)) != PRE_MODIFY);
      return "stx<VSm>x %x1,%y0";

    case 1:
    case 4:
      gcc_assert (MEM_P (operands[1])
                  && GET_CODE (XEXP (operands[1], 0)) != PRE_INC
                  && GET_CODE (XEXP (operands[1], 0)) != PRE_DEC
                  && GET_CODE (XEXP (operands[1], 0)) != PRE_MODIFY);
      return "lx<VSm>x %x0,%y1";

    case 2:
    case 5:
      return "xxlor %x0,%x1,%x1";

    case 6:
    case 7:
    case 8:
      return "#";

    case 9:
    case 10:
      return "xxlxor %x0,%x0,%x0";

    case 11:
      return output_vec_const_move (operands);

    case 12:
      gcc_assert (MEM_P (operands[0])
                  && GET_CODE (XEXP (operands[0], 0)) != PRE_INC
                  && GET_CODE (XEXP (operands[0], 0)) != PRE_DEC
                  && GET_CODE (XEXP (operands[0], 0)) != PRE_MODIFY);
      return "stvx %1,%y0";

    case 13:
      gcc_assert (MEM_P (operands[0])
                  && GET_CODE (XEXP (operands[0], 0)) != PRE_INC
                  && GET_CODE (XEXP (operands[0], 0)) != PRE_DEC
                  && GET_CODE (XEXP (operands[0], 0)) != PRE_MODIFY);
      return "lvx %0,%y1";

    default:
      gcc_unreachable ();
    }
}
  [(set_attr "type" "vecstore,vecload,vecsimple,vecstore,vecload,vecsimple,*,*,*,vecsimple,vecsimple,*,vecstore,vecload")])

;; Unlike other VSX moves, allow the GPRs, since a normal use of TImode is for
;; unions.  However for plain data movement, slightly favor the vector loads
(define_insn "*vsx_movti"
  [(set (match_operand:TI 0 "nonimmediate_operand" "=Z,wa,wa,?o,?r,?r,wa,v,v,wZ")
        (match_operand:TI 1 "input_operand" "wa,Z,wa,r,o,r,j,W,wZ,v"))]
  "VECTOR_MEM_VSX_P (TImode)
   && (register_operand (operands[0], TImode) 
       || register_operand (operands[1], TImode))"
{
  switch (which_alternative)
    {
    case 0:
      return "stxvd2x %x1,%y0";

    case 1:
      return "lxvd2x %x0,%y1";

    case 2:
      return "xxlor %x0,%x1,%x1";

    case 3:
    case 4:
    case 5:
      return "#";

    case 6:
      return "xxlxor %x0,%x0,%x0";

    case 7:
      return output_vec_const_move (operands);

    case 8:
      return "stvx %1,%y0";

    case 9:
      return "lvx %0,%y1";

    default:
      gcc_unreachable ();
    }
}
  [(set_attr "type" "vecstore,vecload,vecsimple,*,*,*,vecsimple,*,vecstore,vecload")])


;; VSX scalar and vector floating point arithmetic instructions
(define_insn "*vsx_add<mode>3"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (plus:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")
                    (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>add<VSs> %x0,%x1,%x2"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "*vsx_sub<mode>3"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (minus:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")
                     (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>sub<VSs> %x0,%x1,%x2"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "*vsx_mul<mode>3"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (mult:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")
                    (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>mul<VSs> %x0,%x1,%x2"
  [(set_attr "type" "<VStype_mul>")
   (set_attr "fp_type" "<VSfptype_mul>")])

(define_insn "*vsx_div<mode>3"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (div:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")
                   (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>div<VSs> %x0,%x1,%x2"
  [(set_attr "type" "<VStype_div>")
   (set_attr "fp_type" "<VSfptype_div>")])

;; *tdiv* instruction returning the FG flag
(define_expand "vsx_tdiv<mode>3_fg"
  [(set (match_dup 3)
        (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "")
                      (match_operand:VSX_B 2 "vsx_register_operand" "")]
                     UNSPEC_VSX_TDIV))
   (set (match_operand:SI 0 "gpc_reg_operand" "")
        (gt:SI (match_dup 3)
               (const_int 0)))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
{
  operands[3] = gen_reg_rtx (CCFPmode);
})

;; *tdiv* instruction returning the FE flag
(define_expand "vsx_tdiv<mode>3_fe"
  [(set (match_dup 3)
        (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "")
                      (match_operand:VSX_B 2 "vsx_register_operand" "")]
                     UNSPEC_VSX_TDIV))
   (set (match_operand:SI 0 "gpc_reg_operand" "")
        (eq:SI (match_dup 3)
               (const_int 0)))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
{
  operands[3] = gen_reg_rtx (CCFPmode);
})

(define_insn "*vsx_tdiv<mode>3_internal"
  [(set (match_operand:CCFP 0 "cc_reg_operand" "=x,x")
        (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")
                      (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")]
                   UNSPEC_VSX_TDIV))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>tdiv<VSs> %0,%x1,%x2"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "vsx_fre<mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")]
                      UNSPEC_FRES))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>re<VSs> %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "*vsx_neg<mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (neg:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>neg<VSs> %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "*vsx_abs<mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (abs:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>abs<VSs> %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "vsx_nabs<mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (neg:VSX_B
         (abs:VSX_B
          (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa"))))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>nabs<VSs> %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "vsx_smax<mode>3"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (smax:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")
                    (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>max<VSs> %x0,%x1,%x2"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "*vsx_smin<mode>3"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (smin:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")
                    (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>min<VSs> %x0,%x1,%x2"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "*vsx_sqrt<mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (sqrt:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>sqrt<VSs> %x0,%x1"
  [(set_attr "type" "<VStype_sqrt>")
   (set_attr "fp_type" "<VSfptype_sqrt>")])

(define_insn "vsx_rsqrte<mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")]
                      UNSPEC_VSX_RSQRTE))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>rsqrte<VSs> %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

;; *tsqrt* returning the fg flag
(define_expand "vsx_tsqrt<mode>2_fg"
  [(set (match_dup 3)
        (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "")]
                     UNSPEC_VSX_TSQRT))
   (set (match_operand:SI 0 "gpc_reg_operand" "")
        (gt:SI (match_dup 3)
               (const_int 0)))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
{
  operands[3] = gen_reg_rtx (CCFPmode);
})

;; *tsqrt* returning the fe flag
(define_expand "vsx_tsqrt<mode>2_fe"
  [(set (match_dup 3)
        (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "")]
                     UNSPEC_VSX_TSQRT))
   (set (match_operand:SI 0 "gpc_reg_operand" "")
        (eq:SI (match_dup 3)
               (const_int 0)))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
{
  operands[3] = gen_reg_rtx (CCFPmode);
})

(define_insn "*vsx_tsqrt<mode>2_internal"
  [(set (match_operand:CCFP 0 "cc_reg_operand" "=x,x")
        (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")]
                     UNSPEC_VSX_TSQRT))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>tsqrt<VSs> %0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

;; Fused vector multiply/add instructions

;; Note we have a pattern for the multiply/add operations that uses unspec and
;; does not check -mfused-madd to allow users to use these ops when they know
;; they want the fused multiply/add.

(define_expand "vsx_fmadd<mode>4"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "")
        (plus:VSX_B
         (mult:VSX_B
          (match_operand:VSX_B 1 "vsx_register_operand" "")
          (match_operand:VSX_B 2 "vsx_register_operand" ""))
         (match_operand:VSX_B 3 "vsx_register_operand" "")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
{
  if (!TARGET_FUSED_MADD)
    {
      emit_insn (gen_vsx_fmadd<mode>4_2 (operands[0], operands[1], operands[2],
                                         operands[3]));
      DONE;
    }
})

(define_insn "*vsx_fmadd<mode>4_1"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa")
        (plus:VSX_B
         (mult:VSX_B
          (match_operand:VSX_B 1 "vsx_register_operand" "%<VSr>,<VSr>,wa,wa")
          (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0"))
         (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode) && TARGET_FUSED_MADD"
  "@
   x<VSv>madda<VSs> %x0,%x1,%x2
   x<VSv>maddm<VSs> %x0,%x1,%x3
   x<VSv>madda<VSs> %x0,%x1,%x2
   x<VSv>maddm<VSs> %x0,%x1,%x3"
  [(set_attr "type" "<VStype_mul>")
   (set_attr "fp_type" "<VSfptype_mul>")])

(define_insn "vsx_fmadd<mode>4_2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa")
        (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "%<VSr>,<VSr>,wa,wa")
                       (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0")
                       (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa")]
                      UNSPEC_VSX_MADD))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "@
   x<VSv>madda<VSs> %x0,%x1,%x2
   x<VSv>maddm<VSs> %x0,%x1,%x3
   x<VSv>madda<VSs> %x0,%x1,%x2
   x<VSv>maddm<VSs> %x0,%x1,%x3"
  [(set_attr "type" "<VStype_mul>")
   (set_attr "fp_type" "<VSfptype_mul>")])

(define_expand "vsx_fmsub<mode>4"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "")
        (minus:VSX_B
         (mult:VSX_B
          (match_operand:VSX_B 1 "vsx_register_operand" "")
          (match_operand:VSX_B 2 "vsx_register_operand" ""))
         (match_operand:VSX_B 3 "vsx_register_operand" "")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
{
  if (!TARGET_FUSED_MADD)
    {
      emit_insn (gen_vsx_fmsub<mode>4_2 (operands[0], operands[1], operands[2],
                                         operands[3]));
      DONE;
    }
})

(define_insn "*vsx_fmsub<mode>4_1"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa")
        (minus:VSX_B
         (mult:VSX_B
          (match_operand:VSX_B 1 "vsx_register_operand" "%<VSr>,<VSr>,wa,wa")
          (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0"))
         (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode) && TARGET_FUSED_MADD"
  "@
   x<VSv>msuba<VSs> %x0,%x1,%x2
   x<VSv>msubm<VSs> %x0,%x1,%x3
   x<VSv>msuba<VSs> %x0,%x1,%x2
   x<VSv>msubm<VSs> %x0,%x1,%x3"
  [(set_attr "type" "<VStype_mul>")
   (set_attr "fp_type" "<VSfptype_mul>")])

(define_insn "vsx_fmsub<mode>4_2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa")
        (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "%<VSr>,<VSr>,wa,wa")
                       (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0")
                       (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa")]
                      UNSPEC_VSX_MSUB))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "@
   x<VSv>msuba<VSs> %x0,%x1,%x2
   x<VSv>msubm<VSs> %x0,%x1,%x3
   x<VSv>msuba<VSs> %x0,%x1,%x2
   x<VSv>msubm<VSs> %x0,%x1,%x3"
  [(set_attr "type" "<VStype_mul>")
   (set_attr "fp_type" "<VSfptype_mul>")])

(define_expand "vsx_fnmadd<mode>4"
  [(match_operand:VSX_B 0 "vsx_register_operand" "")
   (match_operand:VSX_B 1 "vsx_register_operand" "")
   (match_operand:VSX_B 2 "vsx_register_operand" "")
   (match_operand:VSX_B 3 "vsx_register_operand" "")]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
{
  if (TARGET_FUSED_MADD && HONOR_SIGNED_ZEROS (DFmode))
    {
       emit_insn (gen_vsx_fnmadd<mode>4_1 (operands[0], operands[1],
                                           operands[2], operands[3]));
       DONE;
    }
  else if (TARGET_FUSED_MADD && !HONOR_SIGNED_ZEROS (DFmode))
    {
       emit_insn (gen_vsx_fnmadd<mode>4_2 (operands[0], operands[1],
                                           operands[2], operands[3]));
       DONE;
    }
  else
    {
       emit_insn (gen_vsx_fnmadd<mode>4_3 (operands[0], operands[1],
                                           operands[2], operands[3]));
       DONE;
    }
})

(define_insn "vsx_fnmadd<mode>4_1"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa")
        (neg:VSX_B
         (plus:VSX_B
          (mult:VSX_B
           (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,<VSr>,wa,wa")
           (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0"))
          (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa"))))]
  "VECTOR_UNIT_VSX_P (<MODE>mode) && TARGET_FUSED_MADD
   && HONOR_SIGNED_ZEROS (DFmode)"
  "@
   x<VSv>nmadda<VSs> %x0,%x1,%x2
   x<VSv>nmaddm<VSs> %x0,%x1,%x3
   x<VSv>nmadda<VSs> %x0,%x1,%x2
   x<VSv>nmaddm<VSs> %x0,%x1,%x3"
  [(set_attr "type" "<VStype_mul>")
   (set_attr "fp_type" "<VSfptype_mul>")])

(define_insn "vsx_fnmadd<mode>4_2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa")
        (minus:VSX_B
         (mult:VSX_B
          (neg:VSX_B
           (match_operand:VSX_B 1 "gpc_reg_operand" "<VSr>,<VSr>,wa,wa"))
          (match_operand:VSX_B 2 "gpc_reg_operand" "<VSr>,0,wa,0"))
         (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode) && TARGET_FUSED_MADD
   && !HONOR_SIGNED_ZEROS (DFmode)"
  "@
   x<VSv>nmadda<VSs> %x0,%x1,%x2
   x<VSv>nmaddm<VSs> %x0,%x1,%x3
   x<VSv>nmadda<VSs> %x0,%x1,%x2
   x<VSv>nmaddm<VSs> %x0,%x1,%x3"
  [(set_attr "type" "<VStype_mul>")
   (set_attr "fp_type" "<VSfptype_mul>")])

(define_insn "vsx_fnmadd<mode>4_3"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa")
        (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,<VSr>,wa,wa")
                       (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0")
                       (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa")]
                      UNSPEC_VSX_NMADD))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "@
   x<VSv>nmadda<VSs> %x0,%x1,%x2
   x<VSv>nmaddm<VSs> %x0,%x1,%x3
   x<VSv>nmadda<VSs> %x0,%x1,%x2
   x<VSv>nmaddm<VSs> %x0,%x1,%x3"
  [(set_attr "type" "<VStype_mul>")
   (set_attr "fp_type" "<VSfptype_mul>")])

(define_expand "vsx_fnmsub<mode>4"
  [(match_operand:VSX_B 0 "vsx_register_operand" "")
   (match_operand:VSX_B 1 "vsx_register_operand" "")
   (match_operand:VSX_B 2 "vsx_register_operand" "")
   (match_operand:VSX_B 3 "vsx_register_operand" "")]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
{
  if (TARGET_FUSED_MADD && HONOR_SIGNED_ZEROS (DFmode))
    {
       emit_insn (gen_vsx_fnmsub<mode>4_1 (operands[0], operands[1],
                                           operands[2], operands[3]));
       DONE;
    }
  else if (TARGET_FUSED_MADD && !HONOR_SIGNED_ZEROS (DFmode))
    {
       emit_insn (gen_vsx_fnmsub<mode>4_2 (operands[0], operands[1],
                                           operands[2], operands[3]));
       DONE;
    }
  else
    {
       emit_insn (gen_vsx_fnmsub<mode>4_3 (operands[0], operands[1],
                                           operands[2], operands[3]));
       DONE;
    }
})

(define_insn "vsx_fnmsub<mode>4_1"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa")
        (neg:VSX_B
         (minus:VSX_B
          (mult:VSX_B
           (match_operand:VSX_B 1 "vsx_register_operand" "%<VSr>,<VSr>,wa,wa")
           (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0"))
          (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa"))))]
  "VECTOR_UNIT_VSX_P (<MODE>mode) && TARGET_FUSED_MADD
   && HONOR_SIGNED_ZEROS (DFmode)"
  "@
   x<VSv>nmsuba<VSs> %x0,%x1,%x2
   x<VSv>nmsubm<VSs> %x0,%x1,%x3
   x<VSv>nmsuba<VSs> %x0,%x1,%x2
   x<VSv>nmsubm<VSs> %x0,%x1,%x3"
  [(set_attr "type" "<VStype_mul>")
   (set_attr "fp_type" "<VSfptype_mul>")])

(define_insn "vsx_fnmsub<mode>4_2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa")
        (minus:VSX_B
         (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa")
         (mult:VSX_B
          (match_operand:VSX_B 1 "vsx_register_operand" "%<VSr>,<VSr>,wa,wa")
          (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0"))))]
  "VECTOR_UNIT_VSX_P (<MODE>mode) && TARGET_FUSED_MADD
   && !HONOR_SIGNED_ZEROS (DFmode)"
  "@
   x<VSv>nmsuba<VSs> %x0,%x1,%x2
   x<VSv>nmsubm<VSs> %x0,%x1,%x3
   x<VSv>nmsuba<VSs> %x0,%x1,%x2
   x<VSv>nmsubm<VSs> %x0,%x1,%x3"
  [(set_attr "type" "<VStype_mul>")
   (set_attr "fp_type" "<VSfptype_mul>")])

(define_insn "vsx_fnmsub<mode>4_3"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa")
        (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "%<VSr>,<VSr>,wa,wa")
                       (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0")
                       (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa")]
                      UNSPEC_VSX_NMSUB))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "@
   x<VSv>nmsuba<VSs> %x0,%x1,%x2
   x<VSv>nmsubm<VSs> %x0,%x1,%x3
   x<VSv>nmsuba<VSs> %x0,%x1,%x2
   x<VSv>nmsubm<VSs> %x0,%x1,%x3"
  [(set_attr "type" "<VStype_mul>")
   (set_attr "fp_type" "<VSfptype_mul>")])

;; Vector conditional expressions (no scalar version for these instructions)
(define_insn "vsx_eq<mode>"
  [(set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa")
        (eq:VSX_F (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,wa")
                  (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "xvcmpeq<VSs> %x0,%x1,%x2"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "vsx_gt<mode>"
  [(set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa")
        (gt:VSX_F (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,wa")
                  (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "xvcmpgt<VSs> %x0,%x1,%x2"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "*vsx_ge<mode>"
  [(set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa")
        (ge:VSX_F (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,wa")
                  (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "xvcmpge<VSs> %x0,%x1,%x2"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

;; Floating point scalar compare
(define_insn "*vsx_cmpdf_internal1"
  [(set (match_operand:CCFP 0 "cc_reg_operand" "=y,?y")
        (compare:CCFP (match_operand:DF 1 "gpc_reg_operand" "ws,wa")
                      (match_operand:DF 2 "gpc_reg_operand" "ws,wa")))]
  "TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT
   && VECTOR_UNIT_VSX_P (DFmode)"
  "xscmpudp %0,%x1,%x2"
  [(set_attr "type" "fpcompare")])

;; Compare vectors producing a vector result and a predicate, setting CR6 to
;; indicate a combined status
(define_insn "*vsx_eq_<mode>_p"
  [(set (reg:CC 74)
        (unspec:CC
         [(eq:CC (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,?wa")
                 (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,?wa"))]
         UNSPEC_PREDICATE))
   (set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa")
        (eq:VSX_F (match_dup 1)
                  (match_dup 2)))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "xvcmpeq<VSs>. %x0,%x1,%x2"
  [(set_attr "type" "veccmp")])

(define_insn "*vsx_gt_<mode>_p"
  [(set (reg:CC 74)
        (unspec:CC
         [(gt:CC (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,?wa")
                 (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,?wa"))]
         UNSPEC_PREDICATE))
   (set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa")
        (gt:VSX_F (match_dup 1)
                  (match_dup 2)))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "xvcmpgt<VSs>. %x0,%x1,%x2"
  [(set_attr "type" "veccmp")])

(define_insn "*vsx_ge_<mode>_p"
  [(set (reg:CC 74)
        (unspec:CC
         [(ge:CC (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,?wa")
                 (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,?wa"))]
         UNSPEC_PREDICATE))
   (set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa")
        (ge:VSX_F (match_dup 1)
                  (match_dup 2)))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "xvcmpge<VSs>. %x0,%x1,%x2"
  [(set_attr "type" "veccmp")])

;; Vector select
(define_insn "*vsx_xxsel<mode>"
  [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa")
        (if_then_else:VSX_L
         (ne:CC (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,wa")
                (const_int 0))
         (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,wa")
         (match_operand:VSX_L 3 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxsel %x0,%x3,%x2,%x1"
  [(set_attr "type" "vecperm")])

(define_insn "*vsx_xxsel<mode>_uns"
  [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa")
        (if_then_else:VSX_L
         (ne:CCUNS (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,wa")
                   (const_int 0))
         (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,wa")
         (match_operand:VSX_L 3 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxsel %x0,%x3,%x2,%x1"
  [(set_attr "type" "vecperm")])

;; Copy sign
(define_insn "vsx_copysign<mode>3"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (if_then_else:VSX_B
         (ge:VSX_B (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")
                   (match_operand:VSX_B 3 "zero_constant" "j,j"))
         (abs:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa"))
         (neg:VSX_B (abs:VSX_B (match_dup 1)))))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>cpsgn<VSs> %x0,%x2,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

;; For the conversions, limit the register class for the integer value to be
;; the fprs because we don't want to add the altivec registers to movdi/movsi.
;; For the unsigned tests, there isn't a generic double -> unsigned conversion
;; in rs6000.md so don't test VECTOR_UNIT_VSX_P, just test against VSX.
(define_insn "vsx_float<VSi><mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (float:VSX_B (match_operand:<VSI> 1 "vsx_register_operand" "<VSr2>,<VSr3>")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>cvsx<VSc><VSs> %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "vsx_floatuns<VSi><mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (unsigned_float:VSX_B (match_operand:<VSI> 1 "vsx_register_operand" "<VSr2>,<VSr3>")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>cvux<VSc><VSs> %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "vsx_fix_trunc<mode><VSi>2"
  [(set (match_operand:<VSI> 0 "vsx_register_operand" "=<VSr2>,?<VSr3>")
        (fix:<VSI> (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>cv<VSs>sx<VSc>s %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "vsx_fixuns_trunc<mode><VSi>2"
  [(set (match_operand:<VSI> 0 "vsx_register_operand" "=<VSr2>,?<VSr3>")
        (unsigned_fix:<VSI> (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>cv<VSs>ux<VSc>s %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

;; Math rounding functions
(define_insn "vsx_x<VSv>r<VSs>i"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")]
                      UNSPEC_VSX_ROUND_I))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>r<VSs>i %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "vsx_x<VSv>r<VSs>ic"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")]
                      UNSPEC_VSX_ROUND_IC))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>r<VSs>ic %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "vsx_btrunc<mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (fix:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>r<VSs>iz %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "*vsx_b2trunc<mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")]
                      UNSPEC_FRIZ))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>r<VSs>iz %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "vsx_floor<mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")]
                      UNSPEC_FRIM))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>r<VSs>im %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])

(define_insn "vsx_ceil<mode>2"
  [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa")
        (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")]
                      UNSPEC_FRIP))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "x<VSv>r<VSs>ip %x0,%x1"
  [(set_attr "type" "<VStype_simple>")
   (set_attr "fp_type" "<VSfptype_simple>")])


;; VSX convert to/from double vector

;; Convert between single and double precision
;; Don't use xscvspdp and xscvdpsp for scalar conversions, since the normal
;; scalar single precision instructions internally use the double format.
;; Prefer the altivec registers, since we likely will need to do a vperm
(define_insn "vsx_<VS_spdp_insn>"
  [(set (match_operand:<VS_spdp_res> 0 "vsx_register_operand" "=<VSr4>,?wa")
        (unspec:<VS_spdp_res> [(match_operand:VSX_SPDP 1 "vsx_register_operand" "<VSr5>,wa")]
                              UNSPEC_VSX_CVSPDP))]
  "VECTOR_UNIT_VSX_P (<MODE>mode)"
  "<VS_spdp_insn> %x0,%x1"
  [(set_attr "type" "<VS_spdp_type>")])

;; xscvspdp, represent the scalar SF type as V4SF
(define_insn "vsx_xscvspdp"
  [(set (match_operand:DF 0 "vsx_register_operand" "=ws,?wa")
        (unspec:DF [(match_operand:V4SF 1 "vsx_register_operand" "wa,wa")]
                   UNSPEC_VSX_CVSPDP))]
  "VECTOR_UNIT_VSX_P (DFmode)"
  "xscvspdp %x0,%x1"
  [(set_attr "type" "fp")])

;; xscvdpsp used for splat'ing a scalar to V4SF, knowing that the internal SF
;; format of scalars is actually DF.
(define_insn "vsx_xscvdpsp_scalar"
  [(set (match_operand:V4SF 0 "vsx_register_operand" "=wa")
        (unspec:V4SF [(match_operand:SF 1 "vsx_register_operand" "f")]
                     UNSPEC_VSX_CVSPDP))]
  "VECTOR_UNIT_VSX_P (DFmode)"
  "xscvdpsp %x0,%x1"
  [(set_attr "type" "fp")])

;; Convert from 64-bit to 32-bit types
;; Note, favor the Altivec registers since the usual use of these instructions
;; is in vector converts and we need to use the Altivec vperm instruction.

(define_insn "vsx_xvcvdpsxws"
  [(set (match_operand:V4SI 0 "vsx_register_operand" "=v,?wa")
        (unspec:V4SI [(match_operand:V2DF 1 "vsx_register_operand" "wd,wa")]
                     UNSPEC_VSX_CVDPSXWS))]
  "VECTOR_UNIT_VSX_P (V2DFmode)"
  "xvcvdpsxws %x0,%x1"
  [(set_attr "type" "vecfloat")])

(define_insn "vsx_xvcvdpuxws"
  [(set (match_operand:V4SI 0 "vsx_register_operand" "=v,?wa")
        (unspec:V4SI [(match_operand:V2DF 1 "vsx_register_operand" "wd,wa")]
                     UNSPEC_VSX_CVDPUXWS))]
  "VECTOR_UNIT_VSX_P (V2DFmode)"
  "xvcvdpuxws %x0,%x1"
  [(set_attr "type" "vecfloat")])

(define_insn "vsx_xvcvsxdsp"
  [(set (match_operand:V4SI 0 "vsx_register_operand" "=wd,?wa")
        (unspec:V4SI [(match_operand:V2DF 1 "vsx_register_operand" "wf,wa")]
                     UNSPEC_VSX_CVSXDSP))]
  "VECTOR_UNIT_VSX_P (V2DFmode)"
  "xvcvsxdsp %x0,%x1"
  [(set_attr "type" "vecfloat")])

(define_insn "vsx_xvcvuxdsp"
  [(set (match_operand:V4SI 0 "vsx_register_operand" "=wd,?wa")
        (unspec:V4SI [(match_operand:V2DF 1 "vsx_register_operand" "wf,wa")]
                     UNSPEC_VSX_CVUXDSP))]
  "VECTOR_UNIT_VSX_P (V2DFmode)"
  "xvcvuxwdp %x0,%x1"
  [(set_attr "type" "vecfloat")])

;; Convert from 32-bit to 64-bit types
(define_insn "vsx_xvcvsxwdp"
  [(set (match_operand:V2DF 0 "vsx_register_operand" "=wd,?wa")
        (unspec:V2DF [(match_operand:V4SI 1 "vsx_register_operand" "wf,wa")]
                     UNSPEC_VSX_CVSXWDP))]
  "VECTOR_UNIT_VSX_P (V2DFmode)"
  "xvcvsxwdp %x0,%x1"
  [(set_attr "type" "vecfloat")])

(define_insn "vsx_xvcvuxwdp"
  [(set (match_operand:V2DF 0 "vsx_register_operand" "=wd,?wa")
        (unspec:V2DF [(match_operand:V4SI 1 "vsx_register_operand" "wf,wa")]
                     UNSPEC_VSX_CVUXWDP))]
  "VECTOR_UNIT_VSX_P (V2DFmode)"
  "xvcvuxwdp %x0,%x1"
  [(set_attr "type" "vecfloat")])

(define_insn "vsx_xvcvspsxds"
  [(set (match_operand:V2DI 0 "vsx_register_operand" "=v,?wa")
        (unspec:V2DI [(match_operand:V4SF 1 "vsx_register_operand" "wd,wa")]
                     UNSPEC_VSX_CVSPSXDS))]
  "VECTOR_UNIT_VSX_P (V2DFmode)"
  "xvcvspsxds %x0,%x1"
  [(set_attr "type" "vecfloat")])

(define_insn "vsx_xvcvspuxds"
  [(set (match_operand:V2DI 0 "vsx_register_operand" "=v,?wa")
        (unspec:V2DI [(match_operand:V4SF 1 "vsx_register_operand" "wd,wa")]
                     UNSPEC_VSX_CVSPUXDS))]
  "VECTOR_UNIT_VSX_P (V2DFmode)"
  "xvcvspuxds %x0,%x1"
  [(set_attr "type" "vecfloat")])

;; Logical and permute operations
(define_insn "*vsx_and<mode>3"
  [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa")
        (and:VSX_L
         (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa")
         (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,?wa")))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxland %x0,%x1,%x2"
  [(set_attr "type" "vecsimple")])

(define_insn "*vsx_ior<mode>3"
  [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa")
        (ior:VSX_L (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa")
                   (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,?wa")))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxlor %x0,%x1,%x2"
  [(set_attr "type" "vecsimple")])

(define_insn "*vsx_xor<mode>3"
  [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa")
        (xor:VSX_L
         (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa")
         (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,?wa")))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxlxor %x0,%x1,%x2"
  [(set_attr "type" "vecsimple")])

(define_insn "*vsx_one_cmpl<mode>2"
  [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa")
        (not:VSX_L
         (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa")))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxlnor %x0,%x1,%x1"
  [(set_attr "type" "vecsimple")])
  
(define_insn "*vsx_nor<mode>3"
  [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa")
        (not:VSX_L
         (ior:VSX_L
          (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa")
          (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,?wa"))))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxlnor %x0,%x1,%x2"
  [(set_attr "type" "vecsimple")])

(define_insn "*vsx_andc<mode>3"
  [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa")
        (and:VSX_L
         (not:VSX_L
          (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,?wa"))
         (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa")))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxlandc %x0,%x1,%x2"
  [(set_attr "type" "vecsimple")])


;; Permute operations

;; Build a V2DF/V2DI vector from two scalars
(define_insn "vsx_concat_<mode>"
  [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wd,?wa")
        (unspec:VSX_D
         [(match_operand:<VS_scalar> 1 "vsx_register_operand" "ws,wa")
          (match_operand:<VS_scalar> 2 "vsx_register_operand" "ws,wa")]
         UNSPEC_VSX_CONCAT))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxpermdi %x0,%x1,%x2,0"
  [(set_attr "type" "vecperm")])

;; Special purpose concat using xxpermdi to glue two single precision values
;; together, relying on the fact that internally scalar floats are represented
;; as doubles.  This is used to initialize a V4SF vector with 4 floats
(define_insn "vsx_concat_v2sf"
  [(set (match_operand:V2DF 0 "vsx_register_operand" "=wd,?wa")
        (unspec:V2DF
         [(match_operand:SF 1 "vsx_register_operand" "f,f")
          (match_operand:SF 2 "vsx_register_operand" "f,f")]
         UNSPEC_VSX_CONCAT))]
  "VECTOR_MEM_VSX_P (V2DFmode)"
  "xxpermdi %x0,%x1,%x2,0"
  [(set_attr "type" "vecperm")])

;; Set the element of a V2DI/VD2F mode
(define_insn "vsx_set_<mode>"
  [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wd,?wa")
        (unspec:VSX_D [(match_operand:VSX_D 1 "vsx_register_operand" "wd,wa")
                       (match_operand:<VS_scalar> 2 "vsx_register_operand" "ws,wa")
                       (match_operand:QI 3 "u5bit_cint_operand" "i,i")]
                      UNSPEC_VSX_SET))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
{
  if (INTVAL (operands[3]) == 0)
    return \"xxpermdi %x0,%x1,%x2,1\";
  else if (INTVAL (operands[3]) == 1)
    return \"xxpermdi %x0,%x2,%x1,0\";
  else
    gcc_unreachable ();
}
  [(set_attr "type" "vecperm")])

;; Extract a DF/DI element from V2DF/V2DI
(define_insn "vsx_extract_<mode>"
  [(set (match_operand:<VS_scalar> 0 "vsx_register_operand" "=ws,d,?wa")
        (vec_select:<VS_scalar> (match_operand:VSX_D 1 "vsx_register_operand" "wd,wd,wa")
                       (parallel
                        [(match_operand:QI 2 "u5bit_cint_operand" "i,i,i")])))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
{
  gcc_assert (UINTVAL (operands[2]) <= 1);
  operands[3] = GEN_INT (INTVAL (operands[2]) << 1);
  return \"xxpermdi %x0,%x1,%x1,%3\";
}
  [(set_attr "type" "vecperm")])

;; Optimize extracting element 0 from memory
(define_insn "*vsx_extract_<mode>_zero"
  [(set (match_operand:<VS_scalar> 0 "vsx_register_operand" "=ws,d,?wa")
        (vec_select:<VS_scalar>
         (match_operand:VSX_D 1 "indexed_or_indirect_operand" "Z,Z,Z")
         (parallel [(const_int 0)])))]
  "VECTOR_MEM_VSX_P (<MODE>mode) && WORDS_BIG_ENDIAN"
  "lxsd%U1x %x0,%y1"
  [(set_attr "type" "fpload")
   (set_attr "length" "4")])  

;; General double word oriented permute, allow the other vector types for
;; optimizing the permute instruction.
(define_insn "vsx_xxpermdi_<mode>"
  [(set (match_operand:VSX_L 0 "vsx_register_operand" "=wd,?wa")
        (unspec:VSX_L [(match_operand:VSX_L 1 "vsx_register_operand" "wd,wa")
                       (match_operand:VSX_L 2 "vsx_register_operand" "wd,wa")
                       (match_operand:QI 3 "u5bit_cint_operand" "i,i")]
                      UNSPEC_VSX_XXPERMDI))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxpermdi %x0,%x1,%x2,%3"
  [(set_attr "type" "vecperm")])

;; Varient of xxpermdi that is emitted by the vec_interleave functions
(define_insn "*vsx_xxpermdi2_<mode>"
  [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wd")
        (vec_concat:VSX_D
         (vec_select:<VS_scalar>
          (match_operand:VSX_D 1 "vsx_register_operand" "wd")
          (parallel
           [(match_operand:QI 2 "u5bit_cint_operand" "i")]))
         (vec_select:<VS_scalar>
          (match_operand:VSX_D 3 "vsx_register_operand" "wd")
          (parallel
           [(match_operand:QI 4 "u5bit_cint_operand" "i")]))))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
{
  gcc_assert ((UINTVAL (operands[2]) <= 1) && (UINTVAL (operands[4]) <= 1));
  operands[5] = GEN_INT (((INTVAL (operands[2]) & 1) << 1)
                         | (INTVAL (operands[4]) & 1));
  return \"xxpermdi %x0,%x1,%x3,%5\";
}
  [(set_attr "type" "vecperm")])

;; V2DF/V2DI splat
(define_insn "vsx_splat_<mode>"
  [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wd,wd,wd,?wa,?wa,?wa")
        (vec_duplicate:VSX_D
         (match_operand:<VS_scalar> 1 "input_operand" "ws,f,Z,wa,wa,Z")))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "@
   xxpermdi %x0,%x1,%x1,0
   xxpermdi %x0,%x1,%x1,0
   lxvdsx %x0,%y1
   xxpermdi %x0,%x1,%x1,0
   xxpermdi %x0,%x1,%x1,0
   lxvdsx %x0,%y1"
  [(set_attr "type" "vecperm,vecperm,vecload,vecperm,vecperm,vecload")])

;; V4SF/V4SI splat
(define_insn "vsx_xxspltw_<mode>"
  [(set (match_operand:VSX_W 0 "vsx_register_operand" "=wf,?wa")
        (vec_duplicate:VSX_W
         (vec_select:<VS_scalar>
          (match_operand:VSX_W 1 "vsx_register_operand" "wf,wa")
          (parallel
           [(match_operand:QI 2 "u5bit_cint_operand" "i,i")]))))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxspltw %x0,%x1,%2"
  [(set_attr "type" "vecperm")])

;; V4SF/V4SI interleave
(define_insn "vsx_xxmrghw_<mode>"
  [(set (match_operand:VSX_W 0 "vsx_register_operand" "=wf,?wa")
        (vec_merge:VSX_W
         (vec_select:VSX_W
          (match_operand:VSX_W 1 "vsx_register_operand" "wf,wa")
          (parallel [(const_int 0)
                     (const_int 2)
                     (const_int 1)
                     (const_int 3)]))
         (vec_select:VSX_W
          (match_operand:VSX_W 2 "vsx_register_operand" "wf,wa")
          (parallel [(const_int 2)
                     (const_int 0)
                     (const_int 3)
                     (const_int 1)]))
         (const_int 5)))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxmrghw %x0,%x1,%x2"
  [(set_attr "type" "vecperm")])

(define_insn "vsx_xxmrglw_<mode>"
  [(set (match_operand:VSX_W 0 "vsx_register_operand" "=wf,?wa")
        (vec_merge:VSX_W
         (vec_select:VSX_W
          (match_operand:VSX_W 1 "vsx_register_operand" "wf,wa")
          (parallel [(const_int 2)
                     (const_int 0)
                     (const_int 3)
                     (const_int 1)]))
         (vec_select:VSX_W
          (match_operand:VSX_W 2 "vsx_register_operand" "wf,?wa")
          (parallel [(const_int 0)
                     (const_int 2)
                     (const_int 1)
                     (const_int 3)]))
         (const_int 5)))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxmrglw %x0,%x1,%x2"
  [(set_attr "type" "vecperm")])

;; Shift left double by word immediate
(define_insn "vsx_xxsldwi_<mode>"
  [(set (match_operand:VSX_L 0 "vsx_register_operand" "=wa")
        (unspec:VSX_L [(match_operand:VSX_L 1 "vsx_register_operand" "wa")
                       (match_operand:VSX_L 2 "vsx_register_operand" "wa")
                       (match_operand:QI 3 "u5bit_cint_operand" "i")]
                      UNSPEC_VSX_SLDWI))]
  "VECTOR_MEM_VSX_P (<MODE>mode)"
  "xxsldwi %x0,%x1,%x2,%3"
  [(set_attr "type" "vecperm")])

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