gcc/config/arm/crypto.md

   1 ;; ARMv8-A crypto patterns.
   2 ;; Copyright (C) 2013-2018 Free Software Foundation, Inc.
   3 ;; Contributed by ARM Ltd.
   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
  22 ;; When AES/AESMC fusion is enabled we want the register allocation to
  23 ;; look like:
  24 ;;    AESE Vn, _
  25 ;;    AESMC Vn, Vn
  26 ;; So prefer to tie operand 1 to operand 0 when fusing.
  27
  28 (define_insn "crypto_<crypto_pattern>"
  29   [(set (match_operand:<crypto_mode> 0 "register_operand" "=w,w")
  30         (unspec:<crypto_mode> [(match_operand:<crypto_mode> 1
  31                        "register_operand" "0,w")]
  32          CRYPTO_UNARY))]
  33   "TARGET_CRYPTO"
  34   "<crypto_pattern>.<crypto_size_sfx>\\t%q0, %q1"
  35   [(set_attr "type" "<crypto_type>")
  36    (set_attr_alternative "enabled"
  37      [(if_then_else (match_test
  38                        "arm_fusion_enabled_p (tune_params::FUSE_AES_AESMC)")
  39                      (const_string "yes" )
  40                      (const_string "no"))
  41       (const_string "yes")])]
  42 )
  43
  44 (define_insn "crypto_<crypto_pattern>"
  45   [(set (match_operand:<crypto_mode> 0 "register_operand" "=w")
  46         (unspec:<crypto_mode> [(match_operand:<crypto_mode> 1 "register_operand" "0")
  47                       (match_operand:<crypto_mode> 2 "register_operand" "w")]
  48          CRYPTO_BINARY))]
  49   "TARGET_CRYPTO"
  50   "<crypto_pattern>.<crypto_size_sfx>\\t%q0, %q2"
  51   [(set_attr "type" "<crypto_type>")]
  52 )
  53
  54 (define_insn "crypto_<crypto_pattern>"
  55   [(set (match_operand:<crypto_mode> 0 "register_operand" "=w")
  56         (unspec:<crypto_mode> [(match_operand:<crypto_mode> 1 "register_operand" "0")
  57                       (match_operand:<crypto_mode> 2 "register_operand" "w")
  58                       (match_operand:<crypto_mode> 3 "register_operand" "w")]
  59          CRYPTO_TERNARY))]
  60   "TARGET_CRYPTO"
  61   "<crypto_pattern>.<crypto_size_sfx>\\t%q0, %q2, %q3"
  62   [(set_attr "type" "<crypto_type>")]
  63 )
  64
  65 (define_insn "crypto_sha1h"
  66   [(set (match_operand:V4SI 0 "register_operand" "=w")
  67         (zero_extend:V4SI
  68           (unspec:SI [(vec_select:SI
  69                         (match_operand:V4SI 1 "register_operand" "w")
  70                         (parallel [(match_operand:SI 2 "immediate_operand" "i")]))]
  71            UNSPEC_SHA1H)))]
  72   "TARGET_CRYPTO"
  73   "sha1h.32\\t%q0, %q1"
  74   [(set_attr "type" "crypto_sha1_fast")]
  75 )
  76
  77 (define_insn "crypto_vmullp64"
  78   [(set (match_operand:TI 0 "register_operand" "=w")
  79         (unspec:TI [(match_operand:DI 1 "register_operand" "w")
  80                     (match_operand:DI 2 "register_operand" "w")]
  81          UNSPEC_VMULLP64))]
  82   "TARGET_CRYPTO"
  83   "vmull.p64\\t%q0, %P1, %P2"
  84   [(set_attr "type" "crypto_pmull")]
  85 )
  86
  87 (define_insn "crypto_<crypto_pattern>"
  88   [(set (match_operand:V4SI 0 "register_operand" "=w")
  89         (unspec:<crypto_mode>
  90                      [(match_operand:<crypto_mode> 1 "register_operand" "0")
  91                       (vec_select:SI
  92                         (match_operand:<crypto_mode> 2 "register_operand" "w")
  93                         (parallel [(match_operand:SI 4 "immediate_operand" "i")]))
  94                       (match_operand:<crypto_mode> 3 "register_operand" "w")]
  95          CRYPTO_SELECTING))]
  96   "TARGET_CRYPTO"
  97   "<crypto_pattern>.<crypto_size_sfx>\\t%q0, %q2, %q3"
  98   [(set_attr "type" "<crypto_type>")]
  99 )