| 1 | 709 | jeremybenn | ;; Machine Descriptions for R8C/M16C/M32C
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         | 2 |  |  | ;; Copyright (C) 2005, 2007
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         | 3 |  |  | ;; Free Software Foundation, Inc.
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         | 4 |  |  | ;; Contributed by Red Hat.
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         | 5 |  |  | ;;
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         | 6 |  |  | ;; This file is part of GCC.
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         | 7 |  |  | ;;
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         | 8 |  |  | ;; GCC is free software; you can redistribute it and/or modify it
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         | 9 |  |  | ;; under the terms of the GNU General Public License as published
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         | 10 |  |  | ;; by the Free Software Foundation; either version 3, or (at your
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         | 11 |  |  | ;; option) any later version.
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         | 12 |  |  | ;;
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         | 13 |  |  | ;; GCC is distributed in the hope that it will be useful, but WITHOUT
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         | 14 |  |  | ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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         | 15 |  |  | ;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
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         | 16 |  |  | ;; License for more details.
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         | 17 |  |  | ;;
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         | 18 |  |  | ;; You should have received a copy of the GNU General Public License
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         | 19 |  |  | ;; along with GCC; see the file COPYING3.  If not see
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         | 20 |  |  | ;; .
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         | 21 |  |  |  
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         | 22 |  |  | ;; multiply and divide
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         | 23 |  |  |  
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         | 24 |  |  | ; Here is the pattern for the const_int.
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         | 25 |  |  | (define_insn "mulqihi3_c"
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         | 26 |  |  |   [(set (match_operand:HI 0 "mra_operand" "=RhiSd,??Rmm")
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         | 27 |  |  |         (mult:HI (sign_extend:HI (match_operand:QI 1 "mra_operand" "%0,0"))
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         | 28 |  |  |                  (match_operand 2 "immediate_operand" "i,i")))]
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         | 29 |  |  |   ""
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         | 30 |  |  |   "mul.b\t%2,%1"
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         | 31 |  |  |   [(set_attr "flags" "o")]
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         | 32 |  |  | )
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         | 33 |  |  |  
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         | 34 |  |  | ; Here is the pattern for registers and such.
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         | 35 |  |  | (define_insn "mulqihi3_r"
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         | 36 |  |  |   [(set (match_operand:HI 0 "mra_operand" "=RhiSd,RhiSd,??Rmm,??Rmm,Raa,Raa")
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         | 37 |  |  |         (mult:HI (sign_extend:HI (match_operand:QI 1 "mra_operand" "%0,0,0,0,0,0"))
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         | 38 |  |  |                  (sign_extend:HI (match_operand:QI 2 "mra_operand" "RqiSd,?Rmm,RqiSd,?Rmm,RhlSd,?Rmm"))))]
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         | 39 |  |  |   ""
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         | 40 |  |  |   "mul.b\t%2,%1"
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         | 41 |  |  |   [(set_attr "flags" "o")]
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         | 42 |  |  | )
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         | 43 |  |  |  
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         | 44 |  |  | ; Don't try to sign_extend a const_int.  Same for all other multiplies.
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         | 45 |  |  | (define_expand "mulqihi3"
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         | 46 |  |  |   [(set (match_operand:HI 0 "mra_operand" "=RhiSd,RhiSd,??Rmm,??Rmm,Raa,Raa")
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         | 47 |  |  |         (mult:HI (sign_extend:HI (match_operand:QI 1 "mra_operand" "%0,0,0,0,0,0"))
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         | 48 |  |  |                  (match_operand:QI 2 "mra_operand" "RqiSd,?Rmm,RqiSd,?Rmm,RhlSd,?Rmm")))]
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         | 49 |  |  |   ""
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         | 50 |  |  |   "{ if (GET_MODE (operands[2]) != VOIDmode)
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         | 51 |  |  |       operands[2] = gen_rtx_SIGN_EXTEND (HImode, operands[2]); }"
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         | 52 |  |  | )
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         | 53 |  |  |  
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         | 54 |  |  | (define_insn "umulqihi3_c"
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         | 55 |  |  |   [(set (match_operand:HI 0 "mra_operand" "=RhiSd,??Rmm")
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         | 56 |  |  |         (mult:HI (zero_extend:HI (match_operand:QI 1 "mra_operand" "%0,0"))
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         | 57 |  |  |                  (match_operand 2 "immediate_operand" "i,i")))]
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         | 58 |  |  |   ""
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         | 59 |  |  |   "mulu.b\t%U2,%1"
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         | 60 |  |  |   [(set_attr "flags" "o")]
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         | 61 |  |  | )
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         | 62 |  |  |  
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         | 63 |  |  | (define_insn "umulqihi3_r"
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         | 64 |  |  |   [(set (match_operand:HI 0 "mra_operand" "=RhiSd,RhiSd,??Rmm,??Rmm,Raa,Raa")
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         | 65 |  |  |         (mult:HI (zero_extend:HI (match_operand:QI 1 "mra_operand" "%0,0,0,0,0,0"))
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         | 66 |  |  |                  (zero_extend:HI (match_operand:QI 2 "mra_operand" "RqiSd,?Rmm,RqiSd,?Rmm,RhlSd,?Rmm"))))]
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         | 67 |  |  |   ""
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         | 68 |  |  |   "mulu.b\t%U2,%1"
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         | 69 |  |  |   [(set_attr "flags" "o")]
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         | 70 |  |  | )
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         | 71 |  |  |  
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         | 72 |  |  | (define_expand "umulqihi3"
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         | 73 |  |  |   [(set (match_operand:HI 0 "mra_operand" "=RhiSd,RhiSd,??Rmm,??Rmm,Raa,Raa")
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         | 74 |  |  |         (mult:HI (zero_extend:HI (match_operand:QI 1 "mra_operand" "%0,0,0,0,0,0"))
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         | 75 |  |  |                  (match_operand:QI 2 "mra_operand" "RqiSd,?Rmm,RqiSd,?Rmm,RhlSd,?Rmm")))]
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         | 76 |  |  |   ""
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         | 77 |  |  |   "{ if (GET_MODE (operands[2]) != VOIDmode)
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         | 78 |  |  |       operands[2] = gen_rtx_ZERO_EXTEND (HImode, operands[2]); }"
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         | 79 |  |  | )
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         | 80 |  |  |  
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         | 81 |  |  | (define_insn "mulhisi3_c"
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         | 82 |  |  |   [(set (match_operand:SI 0 "ra_operand" "=Rsi")
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         | 83 |  |  |         (mult:SI (sign_extend:SI (match_operand:HI 1 "mra_operand" "%0"))
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         | 84 |  |  |                  (match_operand:HI 2 "immediate_operand" "i")))]
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         | 85 |  |  |   ""
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         | 86 |  |  |   "mul.w\t%2,%1"
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         | 87 |  |  |   [(set_attr "flags" "o")]
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         | 88 |  |  | )
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         | 89 |  |  |  
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         | 90 |  |  | (define_insn "mulhisi3_r"
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         | 91 |  |  |   [(set (match_operand:SI 0 "mra_operand" "=Rsi,Rsi")
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         | 92 |  |  |         (mult:SI (sign_extend:SI (match_operand:HI 1 "mra_operand" "%0,0"))
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         | 93 |  |  |                  (sign_extend:SI (match_operand:HI 2 "mra_operand" "RhiSd,?Rmm"))))]
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         | 94 |  |  |   ""
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         | 95 |  |  |   "mul.w\t%2,%1"
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         | 96 |  |  |   [(set_attr "flags" "o")]
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         | 97 |  |  | )
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         | 98 |  |  |  
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         | 99 |  |  | (define_expand "mulhisi3"
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         | 100 |  |  |   [(set (match_operand:SI 0 "mra_operand" "=RsiSd,RsiSd,??Rmm,??Rmm")
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         | 101 |  |  |         (mult:SI (sign_extend:SI (match_operand:HI 1 "mra_operand" "%0,0,0,0"))
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         | 102 |  |  |                  (match_operand:HI 2 "mra_operand" "RhiSd,?Rmm,RhiSd,?Rmm")))]
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         | 103 |  |  |   ""
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         | 104 |  |  |   "{ if (GET_MODE (operands[2]) != VOIDmode)
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         | 105 |  |  |       operands[2] = gen_rtx_SIGN_EXTEND (SImode, operands[2]); }"
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         | 106 |  |  | )
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         | 107 |  |  |  
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         | 108 |  |  | (define_insn "umulhisi3_c"
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         | 109 |  |  |   [(set (match_operand:SI 0 "ra_operand" "=Rsi")
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         | 110 |  |  |         (mult:SI (zero_extend:SI (match_operand:HI 1 "mra_operand" "%0"))
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         | 111 |  |  |                  (match_operand 2 "immediate_operand" "i")))]
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         | 112 |  |  |   ""
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         | 113 |  |  |   "mulu.w\t%u2,%1"
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         | 114 |  |  |   [(set_attr "flags" "o")]
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         | 115 |  |  | )
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         | 116 |  |  |  
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         | 117 |  |  | (define_insn "umulhisi3_r"
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         | 118 |  |  |   [(set (match_operand:SI 0 "mra_operand" "=Rsi,Rsi")
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         | 119 |  |  |         (mult:SI (zero_extend:SI (match_operand:HI 1 "mra_operand" "%0,0"))
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         | 120 |  |  |                  (zero_extend:SI (match_operand:HI 2 "mra_operand" "RhiSd,?Rmm"))))]
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         | 121 |  |  |   ""
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         | 122 |  |  |   "mulu.w\t%u2,%1"
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         | 123 |  |  |   [(set_attr "flags" "o")]
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         | 124 |  |  | )
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         | 125 |  |  |  
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         | 126 |  |  | (define_expand "umulhisi3"
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         | 127 |  |  |   [(set (match_operand:SI 0 "mra_operand" "=RsiSd,RsiSd,??Rmm,??Rmm")
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         | 128 |  |  |         (mult:SI (zero_extend:SI (match_operand:HI 1 "mra_operand" "%0,0,0,0"))
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         | 129 |  |  |                  (match_operand:HI 2 "mra_operand" "RhiSd,?Rmm,RhiSd,?Rmm")))]
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         | 130 |  |  |   ""
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         | 131 |  |  |   "{ if (GET_MODE (operands[2]) != VOIDmode)
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         | 132 |  |  |       operands[2] = gen_rtx_ZERO_EXTEND (SImode, operands[2]); }"
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         | 133 |  |  | )
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         | 134 |  |  |  
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         | 135 |  |  |  
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         | 136 |  |  | ; GCC expects to be able to multiply pointer-sized integers too, but
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         | 137 |  |  | ; fortunately it only multiplies by powers of two, although sometimes
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         | 138 |  |  | ; they're negative.
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         | 139 |  |  | (define_insn "mulpsi3_op"
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         | 140 |  |  |   [(set (match_operand:PSI 0 "mra_operand" "=RsiSd")
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         | 141 |  |  |         (mult:PSI (match_operand:PSI 1 "mra_operand" "%0")
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         | 142 |  |  |                   (match_operand 2 "m32c_psi_scale" "Ilb")))]
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         | 143 |  |  |   "TARGET_A24"
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         | 144 |  |  |   "shl.l\t%b2,%0"
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         | 145 |  |  |   [(set_attr "flags" "szc")]
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         | 146 |  |  |   )
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         | 147 |  |  |  
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         | 148 |  |  | (define_expand "mulpsi3"
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         | 149 |  |  |   [(set (match_operand:PSI 0 "mra_operand" "=RsiSd")
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         | 150 |  |  |         (mult:PSI (match_operand:PSI 1 "mra_operand" "%0")
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         | 151 |  |  |                   (match_operand 2 "m32c_psi_scale" "Ilb")))]
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         | 152 |  |  |   "TARGET_A24"
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         | 153 |  |  |   "if (GET_CODE (operands[2]) != CONST_INT
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         | 154 |  |  |        || ! m32c_psi_scale (operands[2], PSImode))
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         | 155 |  |  |      {
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         | 156 |  |  |        m32c_expand_neg_mulpsi3 (operands);
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         | 157 |  |  |        DONE;
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         | 158 |  |  |      }"
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         | 159 |  |  |   )
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         | 160 |  |  |  
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         | 161 |  |  | (define_insn "mulsi3"
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         | 162 |  |  |   [(set (match_operand:SI 0 "r0123_operand" "=R02,R02")
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         | 163 |  |  |         (mult:SI (match_operand:SI 1 "r0123_operand" "%0,0")
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         | 164 |  |  |                  (match_operand:SI 2 "mra_operand" "RsiSd,?Rmm")))]
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         | 165 |  |  |   "TARGET_M32C"
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         | 166 |  |  |   "mul.l\t%2,%1"
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         | 167 |  |  |   [(set_attr "flags" "o")]
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         | 168 |  |  | )
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         | 169 |  |  |  
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         | 170 |  |  | (define_expand "divmodqi4"
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         | 171 |  |  |   [(set (match_dup 4)
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         | 172 |  |  |         (sign_extend:HI (match_operand:QI 1 "register_operand" "0,0")))
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         | 173 |  |  |    (parallel [(set (match_operand:QI 0 "register_operand" "=R0w,R0w")
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         | 174 |  |  |                    (div:QI (match_dup 4)
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         | 175 |  |  |                            (match_operand:QI 2 "general_operand" "iRqiSd,?Rmm")))
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         | 176 |  |  |               (set (match_operand:QI 3 "register_operand" "=&R0h,&R0h")
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         | 177 |  |  |                    (mod:QI (match_dup 4) (match_dup 2)))
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         | 178 |  |  |               ])]
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         | 179 |  |  |   "0"
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         | 180 |  |  |   "operands[4] = gen_reg_rtx (HImode);"
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         | 181 |  |  |   )
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         | 182 |  |  |  
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         | 183 |  |  | (define_insn "divmodqi4_n"
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         | 184 |  |  |   [(set (match_operand:QI 0 "register_operand" "=R0l,R0l")
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         | 185 |  |  |         (div:QI (match_operand:HI 1 "register_operand" "R0w,R0w")
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         | 186 |  |  |                 (match_operand:QI 2 "general_operand" "iRqiSd,?Rmm")))
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         | 187 |  |  |    (set (match_operand:QI 3 "register_operand" "=R0h,R0h")
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         | 188 |  |  |         (mod:QI (match_dup 1) (match_dup 2)))
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         | 189 |  |  |    ]
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         | 190 |  |  |   "0"
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         | 191 |  |  |   "div.b\t%2"
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         | 192 |  |  |   [(set_attr "flags" "o")]
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         | 193 |  |  |   )
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         | 194 |  |  |  
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         | 195 |  |  | (define_expand "udivmodqi4"
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         | 196 |  |  |   [(set (match_dup 4)
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         | 197 |  |  |         (zero_extend:HI (match_operand:QI 1 "register_operand" "0,0")))
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         | 198 |  |  |    (parallel [(set (match_operand:QI 0 "register_operand" "=R0l,R0l")
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         | 199 |  |  |                    (udiv:QI (match_dup 4)
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         | 200 |  |  |                            (match_operand:QI 2 "general_operand" "iRqiSd,?Rmm")))
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         | 201 |  |  |               (set (match_operand:QI 3 "register_operand" "=&R0h,&R0h")
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         | 202 |  |  |                    (umod:QI (match_dup 4) (match_dup 2)))
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         | 203 |  |  |               ])]
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         | 204 |  |  |   "0"
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         | 205 |  |  |   "operands[4] = gen_reg_rtx (HImode);"
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         | 206 |  |  |   )
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         | 207 |  |  |  
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         | 208 |  |  | (define_insn "udivmodqi4_n"
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         | 209 |  |  |   [(set (match_operand:QI 0 "register_operand" "=R0l,R0l")
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         | 210 |  |  |         (udiv:QI (match_operand:HI 1 "register_operand" "R0w,R0w")
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         | 211 |  |  |                 (match_operand:QI 2 "general_operand" "iRqiSd,?Rmm")))
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         | 212 |  |  |    (set (match_operand:QI 3 "register_operand" "=R0h,R0h")
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         | 213 |  |  |         (umod:QI (match_dup 1) (match_dup 2)))
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         | 214 |  |  |    ]
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         | 215 |  |  |   "0"
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         | 216 |  |  |   "divu.b\t%2"
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         | 217 |  |  |   [(set_attr "flags" "o")]
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         | 218 |  |  |   )
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         | 219 |  |  |  
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         | 220 |  |  | (define_expand "divmodhi4"
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         | 221 |  |  |   [(set (match_dup 4)
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         | 222 |  |  |         (sign_extend:SI (match_operand:HI 1 "register_operand" "0,0")))
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         | 223 |  |  |    (parallel [(set (match_operand:HI 0 "register_operand" "=R0w,R0w")
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         | 224 |  |  |                    (div:HI (match_dup 4)
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         | 225 |  |  |                            (match_operand:HI 2 "general_operand" "iRhiSd,?Rmm")))
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         | 226 |  |  |               (set (match_operand:HI 3 "register_operand" "=R2w,R2w")
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         | 227 |  |  |                    (mod:HI (match_dup 4) (match_dup 2)))
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         | 228 |  |  |               ])]
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         | 229 |  |  |   ""
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         | 230 |  |  |   "operands[4] = gen_reg_rtx (SImode);"
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         | 231 |  |  |   )
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         | 232 |  |  |  
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         | 233 |  |  | (define_insn "divmodhi4_n"
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         | 234 |  |  |   [(set (match_operand:HI 0 "m32c_r0_operand" "=R0w,R0w")
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         | 235 |  |  |         (div:HI (match_operand:SI 1 "m32c_r0_operand" "R02,R02")
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         | 236 |  |  |                 (match_operand:HI 2 "m32c_notr2_operand" "iR1wR3wRaaSd,?Rmm")))
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         | 237 |  |  |    (set (match_operand:HI 3 "m32c_r2_operand" "=R2w,R2w")
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         | 238 |  |  |         (mod:HI (match_dup 1) (match_dup 2)))
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         | 239 |  |  |    ]
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         | 240 |  |  |   ""
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         | 241 |  |  |   "div.w\t%2"
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         | 242 |  |  |   [(set_attr "flags" "o")]
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         | 243 |  |  |   )
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         | 244 |  |  |  
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         | 245 |  |  | (define_expand "udivmodhi4"
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         | 246 |  |  |   [(set (match_dup 4)
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         | 247 |  |  |         (zero_extend:SI (match_operand:HI 1 "register_operand" "0,0")))
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         | 248 |  |  |    (parallel [(set (match_operand:HI 0 "register_operand" "=R0w,R0w")
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         | 249 |  |  |                    (udiv:HI (match_dup 4)
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         | 250 |  |  |                            (match_operand:HI 2 "general_operand" "iRhiSd,?Rmm")))
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         | 251 |  |  |               (set (match_operand:HI 3 "register_operand" "=R2w,R2w")
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         | 252 |  |  |                    (umod:HI (match_dup 4) (match_dup 2)))
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         | 253 |  |  |               ])]
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         | 254 |  |  |   ""
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         | 255 |  |  |   "operands[4] = gen_reg_rtx (SImode);"
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         | 256 |  |  |   )
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         | 257 |  |  |  
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         | 258 |  |  | (define_insn "udivmodhi4_n"
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         | 259 |  |  |   [(set (match_operand:HI 0 "m32c_r0_operand" "=R0w,R0w")
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         | 260 |  |  |         (udiv:HI (match_operand:SI 1 "m32c_r0_operand" "R02,R02")
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         | 261 |  |  |                 (match_operand:HI 2 "m32c_notr2_operand" "iR1wR3wRaaSd,?Rmm")))
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         | 262 |  |  |    (set (match_operand:HI 3 "m32c_r2_operand" "=R2w,R2w")
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         | 263 |  |  |         (umod:HI (match_dup 1) (match_dup 2)))
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         | 264 |  |  |    ]
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         | 265 |  |  |   ""
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         | 266 |  |  |   "divu.w\t%2"
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         | 267 |  |  |   [(set_attr "flags" "o")]
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         | 268 |  |  |   )
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         | 269 |  |  |  
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         | 270 |  |  | (define_insn "divsi3"
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         | 271 |  |  |   [(set (match_operand:SI 0 "r0123_operand" "=R02,R02")
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         | 272 |  |  |         (div:SI (match_operand:SI 1 "r0123_operand" "0,0")
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         | 273 |  |  |                 (match_operand:SI 2 "mra_operand" "RsiSd,?Rmm")))]
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         | 274 |  |  |   "TARGET_M32C"
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         | 275 |  |  |   "div.l\t%2"
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         | 276 |  |  |   [(set_attr "flags" "o")]
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         | 277 |  |  | )
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         | 278 |  |  |  
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         | 279 |  |  | (define_insn "udivsi3"
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         | 280 |  |  |   [(set (match_operand:SI 0 "r0123_operand" "=R02,R02")
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         | 281 |  |  |         (udiv:SI (match_operand:SI 1 "r0123_operand" "0,0")
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         | 282 |  |  |                  (match_operand:SI 2 "mra_operand" "RsiSd,?Rmm")))]
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         | 283 |  |  |   "TARGET_M32C"
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         | 284 |  |  |   "divu.l\t%2"
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         | 285 |  |  |   [(set_attr "flags" "o")]
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         | 286 |  |  | )
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         | 287 |  |  |  
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         | 288 |  |  |  
 |