gcc/config/rs6000/crypto.md

   1 ;; Cryptographic instructions added in ISA 2.07
   2 ;; Copyright (C) 2012-2013 Free Software Foundation, Inc.
   3 ;; Contributed by Michael Meissner (meissner@linux.vnet.ibm.com)
   4
   5 ;; This file is part of GCC.
   6
   7 ;; GCC is free software; you can redistribute it and/or modify it
   8 ;; under the terms of the GNU General Public License as published
   9 ;; by the Free Software Foundation; either version 3, or (at your
  10 ;; option) any later version.
  11
  12 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
  13 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14 ;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15 ;; License for more details.
  16
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with GCC; see the file COPYING3.  If not see
  19 ;; <http://www.gnu.org/licenses/>.
  20
  21 (define_c_enum "unspec"
  22   [UNSPEC_VCIPHER
  23    UNSPEC_VNCIPHER
  24    UNSPEC_VCIPHERLAST
  25    UNSPEC_VNCIPHERLAST
  26    UNSPEC_VSBOX
  27    UNSPEC_VSHASIGMA
  28    UNSPEC_VPERMXOR
  29    UNSPEC_VPMSUM])
  30
  31 ;; Iterator for VPMSUM/VPERMXOR
  32 (define_mode_iterator CR_mode [V16QI V8HI V4SI V2DI])
  33
  34 (define_mode_attr CR_char [(V16QI "b")
  35                            (V8HI  "h")
  36                            (V4SI  "w")
  37                            (V2DI  "d")])
  38
  39 ;; Iterator for VSHASIGMAD/VSHASIGMAW
  40 (define_mode_iterator CR_hash [V4SI V2DI])
  41
  42 ;; Iterator for the other crypto functions
  43 (define_int_iterator CR_code   [UNSPEC_VCIPHER
  44                                 UNSPEC_VNCIPHER
  45                                 UNSPEC_VCIPHERLAST
  46                                 UNSPEC_VNCIPHERLAST])
  47
  48 (define_int_attr CR_insn [(UNSPEC_VCIPHER      "vcipher")
  49                           (UNSPEC_VNCIPHER     "vncipher")
  50                           (UNSPEC_VCIPHERLAST  "vcipherlast")
  51                           (UNSPEC_VNCIPHERLAST "vncipherlast")])
  52
  53 ;; 2 operand crypto instructions
  54 (define_insn "crypto_<CR_insn>"
  55   [(set (match_operand:V2DI 0 "register_operand" "=v")
  56         (unspec:V2DI [(match_operand:V2DI 1 "register_operand" "v")
  57                       (match_operand:V2DI 2 "register_operand" "v")]
  58                      CR_code))]
  59   "TARGET_CRYPTO"
  60   "<CR_insn> %0,%1,%2"
  61   [(set_attr "type" "crypto")])
  62
  63 (define_insn "crypto_vpmsum<CR_char>"
  64   [(set (match_operand:CR_mode 0 "register_operand" "=v")
  65         (unspec:CR_mode [(match_operand:CR_mode 1 "register_operand" "v")
  66                          (match_operand:CR_mode 2 "register_operand" "v")]
  67                         UNSPEC_VPMSUM))]
  68   "TARGET_CRYPTO"
  69   "vpmsum<CR_char> %0,%1,%2"
  70   [(set_attr "type" "crypto")])
  71
  72 ;; 3 operand crypto instructions
  73 (define_insn "crypto_vpermxor_<mode>"
  74   [(set (match_operand:CR_mode 0 "register_operand" "=v")
  75         (unspec:CR_mode [(match_operand:CR_mode 1 "register_operand" "v")
  76                          (match_operand:CR_mode 2 "register_operand" "v")
  77                          (match_operand:CR_mode 3 "register_operand" "v")]
  78                         UNSPEC_VPERMXOR))]
  79   "TARGET_CRYPTO"
  80   "vpermxor %0,%1,%2,%3"
  81   [(set_attr "type" "crypto")])
  82
  83 ;; 1 operand crypto instruction
  84 (define_insn "crypto_vsbox"
  85   [(set (match_operand:V2DI 0 "register_operand" "=v")
  86         (unspec:V2DI [(match_operand:V2DI 1 "register_operand" "v")]
  87                      UNSPEC_VSBOX))]
  88   "TARGET_CRYPTO"
  89   "vsbox %0,%1"
  90   [(set_attr "type" "crypto")])
  91
  92 ;; Hash crypto instructions
  93 (define_insn "crypto_vshasigma<CR_char>"
  94   [(set (match_operand:CR_hash 0 "register_operand" "=v")
  95         (unspec:CR_hash [(match_operand:CR_hash 1 "register_operand" "v")
  96                          (match_operand:SI 2 "const_0_to_1_operand" "n")
  97                          (match_operand:SI 3 "const_0_to_15_operand" "n")]
  98                         UNSPEC_VSHASIGMA))]
  99   "TARGET_CRYPTO"
 100   "vshasigma<CR_char> %0,%1,%2,%3"
 101   [(set_attr "type" "crypto")])