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/* Machine description patterns for PowerPC running Darwin (Mac OS X).

   Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.

   Contributed by Apple Computer Inc.

This file is part of GCC.

GNU CC 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.

GNU CC 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

;; .  */

(define_insn "adddi3_high"

  [(set (match_operand:DI 0 "gpc_reg_operand" "=b")

        (plus:DI (match_operand:DI 1 "gpc_reg_operand" "b")

                 (high:DI (match_operand 2 "" ""))))]

  "TARGET_MACHO && TARGET_64BIT"

  "{cau|addis} %0,%1,ha16(%2)"

  [(set_attr "length" "4")])

(define_insn "movdf_low_si"

  [(set (match_operand:DF 0 "gpc_reg_operand" "=f,!r")

        (mem:DF (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b,b")

                           (match_operand 2 "" ""))))]

  "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && !TARGET_64BIT"

  "*

{

  switch (which_alternative)

    {

      case 0:

        return \"lfd %0,lo16(%2)(%1)\";

      case 1:

        {

          if (TARGET_POWERPC64 && TARGET_32BIT)

            /* Note, old assemblers didn't support relocation here.  */

            return \"ld %0,lo16(%2)(%1)\";

          else

            {

              output_asm_insn (\"{cal|la} %0,lo16(%2)(%1)\", operands);

              output_asm_insn (\"{l|lwz} %L0,4(%0)\", operands);

              return (\"{l|lwz} %0,0(%0)\");

            }

        }

      default:

        gcc_unreachable ();

    }

}"

  [(set_attr "type" "load")

   (set_attr "length" "4,12")])

(define_insn "movdf_low_di"

  [(set (match_operand:DF 0 "gpc_reg_operand" "=f,!r")

        (mem:DF (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b,b")

                           (match_operand 2 "" ""))))]

  "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_64BIT"

  "*

{

  switch (which_alternative)

    {

      case 0:

        return \"lfd %0,lo16(%2)(%1)\";

      case 1:

        return \"ld %0,lo16(%2)(%1)\";

      default:

        gcc_unreachable ();

    }

}"

  [(set_attr "type" "load")

   (set_attr "length" "4,4")])

(define_insn "movdf_low_st_si"

  [(set (mem:DF (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b")

                           (match_operand 2 "" "")))

        (match_operand:DF 0 "gpc_reg_operand" "f"))]

  "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && ! TARGET_64BIT"

  "stfd %0,lo16(%2)(%1)"

  [(set_attr "type" "store")

   (set_attr "length" "4")])

(define_insn "movdf_low_st_di"

  [(set (mem:DF (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b")

                           (match_operand 2 "" "")))

        (match_operand:DF 0 "gpc_reg_operand" "f"))]

  "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_64BIT"

  "stfd %0,lo16(%2)(%1)"

  [(set_attr "type" "store")

   (set_attr "length" "4")])

(define_insn "movsf_low_si"

  [(set (match_operand:SF 0 "gpc_reg_operand" "=f,!r")

        (mem:SF (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b,b")

                           (match_operand 2 "" ""))))]

  "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && ! TARGET_64BIT"

  "@

   lfs %0,lo16(%2)(%1)

   {l|lwz} %0,lo16(%2)(%1)"

  [(set_attr "type" "load")

   (set_attr "length" "4")])

(define_insn "movsf_low_di"

  [(set (match_operand:SF 0 "gpc_reg_operand" "=f,!r")

        (mem:SF (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b,b")

                           (match_operand 2 "" ""))))]

  "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_64BIT"

  "@

   lfs %0,lo16(%2)(%1)

   {l|lwz} %0,lo16(%2)(%1)"

  [(set_attr "type" "load")

   (set_attr "length" "4")])

(define_insn "movsf_low_st_si"

  [(set (mem:SF (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b,b")

                           (match_operand 2 "" "")))

        (match_operand:SF 0 "gpc_reg_operand" "f,!r"))]

  "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && ! TARGET_64BIT"

  "@

   stfs %0,lo16(%2)(%1)

   {st|stw} %0,lo16(%2)(%1)"

  [(set_attr "type" "store")

   (set_attr "length" "4")])

(define_insn "movsf_low_st_di"

  [(set (mem:SF (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b,b")

                           (match_operand 2 "" "")))

        (match_operand:SF 0 "gpc_reg_operand" "f,!r"))]

  "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_64BIT"

  "@

   stfs %0,lo16(%2)(%1)

   {st|stw} %0,lo16(%2)(%1)"

  [(set_attr "type" "store")

   (set_attr "length" "4")])

;; 64-bit MachO load/store support

(define_insn "movdi_low"

  [(set (match_operand:DI 0 "gpc_reg_operand" "=r")

        (mem:DI (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b")

                           (match_operand 2 "" ""))))]

  "TARGET_MACHO && TARGET_64BIT"

  "{l|ld} %0,lo16(%2)(%1)"

  [(set_attr "type" "load")

   (set_attr "length" "4")])

(define_insn "movsi_low_st"

  [(set (mem:SI (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b")

                           (match_operand 2 "" "")))

        (match_operand:SI 0 "gpc_reg_operand" "r"))]

  "TARGET_MACHO && ! TARGET_64BIT"

  "{st|stw} %0,lo16(%2)(%1)"

  [(set_attr "type" "store")

   (set_attr "length" "4")])

(define_insn "movdi_low_st"

  [(set (mem:DI (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b")

                           (match_operand 2 "" "")))

        (match_operand:DI 0 "gpc_reg_operand" "r"))]

  "TARGET_MACHO && TARGET_64BIT"

  "{st|std} %0,lo16(%2)(%1)"

  [(set_attr "type" "store")

   (set_attr "length" "4")])

;; Mach-O PIC trickery.

(define_expand "macho_high"

  [(set (match_operand 0 "" "")

        (high (match_operand 1 "" "")))]

  "TARGET_MACHO"

{

  if (TARGET_64BIT)

    emit_insn (gen_macho_high_di (operands[0], operands[1]));

  else

    emit_insn (gen_macho_high_si (operands[0], operands[1]));

  DONE;

})

(define_insn "macho_high_si"

  [(set (match_operand:SI 0 "gpc_reg_operand" "=b*r")

        (high:SI (match_operand 1 "" "")))]

  "TARGET_MACHO && ! TARGET_64BIT"

  "{liu|lis} %0,ha16(%1)")

(define_insn "macho_high_di"

  [(set (match_operand:DI 0 "gpc_reg_operand" "=b*r")

        (high:DI (match_operand 1 "" "")))]

  "TARGET_MACHO && TARGET_64BIT"

  "{liu|lis} %0,ha16(%1)")

(define_expand "macho_low"

  [(set (match_operand 0 "" "")

        (lo_sum (match_operand 1 "" "")

                   (match_operand 2 "" "")))]

   "TARGET_MACHO"

{

  if (TARGET_64BIT)

    emit_insn (gen_macho_low_di (operands[0], operands[1], operands[2]));

  else

    emit_insn (gen_macho_low_si (operands[0], operands[1], operands[2]));

  DONE;

})

(define_insn "macho_low_si"

  [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")

        (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b,!*r")

                   (match_operand 2 "" "")))]

   "TARGET_MACHO && ! TARGET_64BIT"

   "@

    {cal %0,%a2@l(%1)|la %0,lo16(%2)(%1)}

    {cal %0,%a2@l(%1)|addic %0,%1,lo16(%2)}")

(define_insn "macho_low_di"

  [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r")

        (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b,!*r")

                   (match_operand 2 "" "")))]

   "TARGET_MACHO && TARGET_64BIT"

   "@

    {cal %0,%a2@l(%1)|la %0,lo16(%2)(%1)}

    {cal %0,%a2@l(%1)|addic %0,%1,lo16(%2)}")

(define_split

  [(set (mem:V4SI (plus:DI (match_operand:DI 0 "gpc_reg_operand" "")

                         (match_operand:DI 1 "short_cint_operand" "")))

        (match_operand:V4SI 2 "register_operand" ""))

   (clobber (match_operand:DI 3 "gpc_reg_operand" ""))]

  "TARGET_MACHO && TARGET_64BIT"

  [(set (match_dup 3) (plus:DI (match_dup 0) (match_dup 1)))

   (set (mem:V4SI (match_dup 3))

        (match_dup 2))]

  "")

(define_expand "load_macho_picbase"

  [(set (reg:SI 65)

        (unspec [(match_operand 0 "" "")]

                   UNSPEC_LD_MPIC))]

  "(DEFAULT_ABI == ABI_DARWIN) && flag_pic"

{

  if (TARGET_32BIT)

    emit_insn (gen_load_macho_picbase_si (operands[0]));

  else

    emit_insn (gen_load_macho_picbase_di (operands[0]));

  DONE;

})

(define_insn "load_macho_picbase_si"

  [(set (reg:SI 65)

        (unspec:SI [(match_operand:SI 0 "immediate_operand" "s")

                    (pc)] UNSPEC_LD_MPIC))]

  "(DEFAULT_ABI == ABI_DARWIN) && flag_pic"

  "bcl 20,31,%0\\n%0:"

  [(set_attr "type" "branch")

   (set_attr "length" "4")])

(define_insn "load_macho_picbase_di"

  [(set (reg:DI 65)

        (unspec:DI [(match_operand:DI 0 "immediate_operand" "s")

                    (pc)] UNSPEC_LD_MPIC))]

  "(DEFAULT_ABI == ABI_DARWIN) && flag_pic && TARGET_64BIT"

  "bcl 20,31,%0\\n%0:"

  [(set_attr "type" "branch")

   (set_attr "length" "4")])

(define_expand "macho_correct_pic"

  [(set (match_operand 0 "" "")

        (plus (match_operand 1 "" "")

                 (unspec [(match_operand 2 "" "")

                             (match_operand 3 "" "")]

                            UNSPEC_MPIC_CORRECT)))]

  "DEFAULT_ABI == ABI_DARWIN"

{

  if (TARGET_32BIT)

    emit_insn (gen_macho_correct_pic_si (operands[0], operands[1], operands[2],

               operands[3]));

  else

    emit_insn (gen_macho_correct_pic_di (operands[0], operands[1], operands[2],

               operands[3]));

  DONE;

})

(define_insn "macho_correct_pic_si"

  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")

        (plus:SI (match_operand:SI 1 "gpc_reg_operand" "r")

                 (unspec:SI [(match_operand:SI 2 "immediate_operand" "s")

                             (match_operand:SI 3 "immediate_operand" "s")]

                            UNSPEC_MPIC_CORRECT)))]

  "DEFAULT_ABI == ABI_DARWIN"

  "addis %0,%1,ha16(%2-%3)\n\taddi %0,%0,lo16(%2-%3)"

  [(set_attr "length" "8")])

(define_insn "macho_correct_pic_di"

  [(set (match_operand:DI 0 "gpc_reg_operand" "=r")

        (plus:DI (match_operand:DI 1 "gpc_reg_operand" "r")

                 (unspec:DI [(match_operand:DI 2 "immediate_operand" "s")

                             (match_operand:DI 3 "immediate_operand" "s")]

                            16)))]

  "DEFAULT_ABI == ABI_DARWIN && TARGET_64BIT"

  "addis %0,%1,ha16(%2-%3)\n\taddi %0,%0,lo16(%2-%3)"

  [(set_attr "length" "8")])

(define_insn "*call_indirect_nonlocal_darwin64"

  [(call (mem:SI (match_operand:DI 0 "register_operand" "c,*l,c,*l"))

         (match_operand 1 "" "g,g,g,g"))

   (use (match_operand:SI 2 "immediate_operand" "O,O,n,n"))

   (clobber (reg:SI 65))]

  "DEFAULT_ABI == ABI_DARWIN && TARGET_64BIT"

{

  return "b%T0l";

}

  [(set_attr "type" "jmpreg,jmpreg,jmpreg,jmpreg")

   (set_attr "length" "4,4,8,8")])

(define_insn "*call_nonlocal_darwin64"

  [(call (mem:SI (match_operand:DI 0 "symbol_ref_operand" "s,s"))

         (match_operand 1 "" "g,g"))

   (use (match_operand:SI 2 "immediate_operand" "O,n"))

   (clobber (reg:SI 65))]

  "(DEFAULT_ABI == ABI_DARWIN)

   && (INTVAL (operands[2]) & CALL_LONG) == 0"

{

#if TARGET_MACHO

  return output_call(insn, operands, 0, 2);

#else

  gcc_unreachable ();

#endif

}

  [(set_attr "type" "branch,branch")

   (set_attr "length" "4,8")])

(define_insn "*call_value_indirect_nonlocal_darwin64"

  [(set (match_operand 0 "" "")

        (call (mem:SI (match_operand:DI 1 "register_operand" "c,*l,c,*l"))

              (match_operand 2 "" "g,g,g,g")))

   (use (match_operand:SI 3 "immediate_operand" "O,O,n,n"))

   (clobber (reg:SI 65))]

  "DEFAULT_ABI == ABI_DARWIN"

{

  return "b%T1l";

}

  [(set_attr "type" "jmpreg,jmpreg,jmpreg,jmpreg")

   (set_attr "length" "4,4,8,8")])

(define_insn "*call_value_nonlocal_darwin64"

  [(set (match_operand 0 "" "")

        (call (mem:SI (match_operand:DI 1 "symbol_ref_operand" "s,s"))

              (match_operand 2 "" "g,g")))

   (use (match_operand:SI 3 "immediate_operand" "O,n"))

   (clobber (reg:SI 65))]

  "(DEFAULT_ABI == ABI_DARWIN)

   && (INTVAL (operands[3]) & CALL_LONG) == 0"

{

#if TARGET_MACHO

  return output_call(insn, operands, 1, 3);

#else

  gcc_unreachable ();

#endif

}

  [(set_attr "type" "branch,branch")

   (set_attr "length" "4,8")])

(define_insn "*sibcall_nonlocal_darwin64"

  [(call (mem:SI (match_operand:DI 0 "symbol_ref_operand" "s,s"))

         (match_operand 1 "" ""))

   (use (match_operand 2 "immediate_operand" "O,n"))

   (use (reg:SI 65))

   (return)]

  "(DEFAULT_ABI == ABI_DARWIN)

   && (INTVAL (operands[2]) & CALL_LONG) == 0"

{

  return "b %z0";

}

  [(set_attr "type" "branch,branch")

   (set_attr "length" "4,8")])

(define_insn "*sibcall_value_nonlocal_darwin64"

  [(set (match_operand 0 "" "")

        (call (mem:SI (match_operand:DI 1 "symbol_ref_operand" "s,s"))

              (match_operand 2 "" "")))

   (use (match_operand:SI 3 "immediate_operand" "O,n"))

   (use (reg:SI 65))

   (return)]

  "(DEFAULT_ABI == ABI_DARWIN)

   && (INTVAL (operands[3]) & CALL_LONG) == 0"

  "*

{

  return \"b %z1\";

}"

  [(set_attr "type" "branch,branch")

   (set_attr "length" "4,8")])

(define_insn "*sibcall_symbolic_64"

  [(call (mem:SI (match_operand:DI 0 "call_operand" "s,c")) ; 64

         (match_operand 1 "" ""))

   (use (match_operand 2 "" ""))

   (use (reg:SI 65))

   (return)]

  "TARGET_64BIT && DEFAULT_ABI == ABI_DARWIN"

  "*

{

  switch (which_alternative)

    {

      case 0:  return \"b %z0\";

      case 1:  return \"b%T0\";

      default:  gcc_unreachable ();

    }

}"

  [(set_attr "type" "branch")

   (set_attr "length" "4")])

(define_insn "*sibcall_value_symbolic_64"

  [(set (match_operand 0 "" "")

        (call (mem:SI (match_operand:DI 1 "call_operand" "s,c"))

              (match_operand 2 "" "")))

   (use (match_operand:SI 3 "" ""))

   (use (reg:SI 65))

   (return)]

  "TARGET_64BIT && DEFAULT_ABI == ABI_DARWIN"

  "*

{

  switch (which_alternative)

    {

      case 0:  return \"b %z1\";

      case 1:  return \"b%T1\";

      default:  gcc_unreachable ();

    }

}"

  [(set_attr "type" "branch")

   (set_attr "length" "4")])