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1 ;; Cryptographic instructions added in ISA 2.07
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2 ;; Copyright (C) 2012-2018 Free Software Foundation, Inc.
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3 ;; Contributed by Michael Meissner (meissner@linux.vnet.ibm.com)
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4
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5 ;; This file is part of GCC.
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6
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7 ;; GCC is free software; you can redistribute it and/or modify it
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8 ;; under the terms of the GNU General Public License as published
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9 ;; by the Free Software Foundation; either version 3, or (at your
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10 ;; option) any later version.
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11
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12 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
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13 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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14 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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15 ;; License for more details.
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16
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17 ;; You should have received a copy of the GNU General Public License
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18 ;; along with GCC; see the file COPYING3. If not see
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19 ;; <http://www.gnu.org/licenses/>.
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20
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21 ;; NOTE: Although this file contains all the instructions from
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22 ;; section 5.11 of ISA 2.07, only those in sections 5.11.1 and
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23 ;; 5.11.2 are in Category:Vector.Crypto. Those are the only
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24 ;; ones controlled by -m[no-]crypto.
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25
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26 ;; FIXME: The builtin names for the instructions in this file
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27 ;; are likely to be deprecated in favor of other names to be
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28 ;; agreed upon with the XL compilers and LLVM.
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29
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30 (define_c_enum "unspec"
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31 [UNSPEC_VCIPHER
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32 UNSPEC_VNCIPHER
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33 UNSPEC_VCIPHERLAST
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34 UNSPEC_VNCIPHERLAST
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35 UNSPEC_VSBOX
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36 UNSPEC_VSHASIGMA
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37 UNSPEC_VPERMXOR
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38 UNSPEC_VPMSUM])
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39
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40 ;; Iterator for VPMSUM/VPERMXOR
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41 (define_mode_iterator CR_mode [V16QI V8HI V4SI V2DI])
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42
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43 (define_mode_attr CR_char [(V16QI "b")
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44 (V8HI "h")
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45 (V4SI "w")
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46 (V2DI "d")])
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47
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48 ;; Iterator for VSHASIGMAD/VSHASIGMAW
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49 (define_mode_iterator CR_hash [V4SI V2DI])
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50
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51 ;; Iterator for the other crypto functions
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52 (define_int_iterator CR_code [UNSPEC_VCIPHER
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53 UNSPEC_VNCIPHER
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54 UNSPEC_VCIPHERLAST
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55 UNSPEC_VNCIPHERLAST])
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56
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57 (define_int_attr CR_insn [(UNSPEC_VCIPHER "vcipher")
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58 (UNSPEC_VNCIPHER "vncipher")
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59 (UNSPEC_VCIPHERLAST "vcipherlast")
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60 (UNSPEC_VNCIPHERLAST "vncipherlast")])
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61
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62 ;; 2 operand crypto instructions
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63 (define_insn "crypto_<CR_insn>"
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64 [(set (match_operand:V2DI 0 "register_operand" "=v")
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65 (unspec:V2DI [(match_operand:V2DI 1 "register_operand" "v")
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66 (match_operand:V2DI 2 "register_operand" "v")]
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67 CR_code))]
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68 "TARGET_CRYPTO"
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69 "<CR_insn> %0,%1,%2"
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70 [(set_attr "type" "crypto")])
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71
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72 (define_insn "crypto_vpmsum<CR_char>"
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73 [(set (match_operand:CR_mode 0 "register_operand" "=v")
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74 (unspec:CR_mode [(match_operand:CR_mode 1 "register_operand" "v")
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75 (match_operand:CR_mode 2 "register_operand" "v")]
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76 UNSPEC_VPMSUM))]
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77 "TARGET_P8_VECTOR"
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78 "vpmsum<CR_char> %0,%1,%2"
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79 [(set_attr "type" "crypto")])
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80
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81 ;; 3 operand crypto instructions
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82 (define_insn "crypto_vpermxor_<mode>"
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83 [(set (match_operand:CR_mode 0 "register_operand" "=v")
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84 (unspec:CR_mode [(match_operand:CR_mode 1 "register_operand" "v")
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85 (match_operand:CR_mode 2 "register_operand" "v")
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86 (match_operand:CR_mode 3 "register_operand" "v")]
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87 UNSPEC_VPERMXOR))]
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88 "TARGET_P8_VECTOR"
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89 "vpermxor %0,%1,%2,%3"
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90 [(set_attr "type" "vecperm")])
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91
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92 ;; 1 operand crypto instruction
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93 (define_insn "crypto_vsbox"
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94 [(set (match_operand:V2DI 0 "register_operand" "=v")
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95 (unspec:V2DI [(match_operand:V2DI 1 "register_operand" "v")]
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96 UNSPEC_VSBOX))]
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97 "TARGET_CRYPTO"
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98 "vsbox %0,%1"
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99 [(set_attr "type" "crypto")])
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100
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101 ;; Hash crypto instructions
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102 (define_insn "crypto_vshasigma<CR_char>"
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103 [(set (match_operand:CR_hash 0 "register_operand" "=v")
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104 (unspec:CR_hash [(match_operand:CR_hash 1 "register_operand" "v")
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105 (match_operand:SI 2 "const_0_to_1_operand" "n")
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106 (match_operand:SI 3 "const_0_to_15_operand" "n")]
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107 UNSPEC_VSHASIGMA))]
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108 "TARGET_CRYPTO"
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109 "vshasigma<CR_char> %0,%1,%2,%3"
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110 [(set_attr "type" "vecsimple")])
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