gcc/config/csky/csky_insn_dsp.md

   1 ;; C-SKY DSP instruction descriptions.
   2 ;; Copyright (C) 2018-2024 Free Software Foundation, Inc.
   3 ;; Contributed by C-SKY Microsystems and Mentor Graphics.
   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 by
   9 ;; the Free Software Foundation; either version 3, or (at your option)
  10 ;; any later version.
  11 ;;
  12 ;; GCC is distributed in the hope that it will be useful, but
  13 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 ;; General Public 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 ;; DSP insns
  23 ;; ------------------------------------------------------------
  24
  25 (define_insn "mulsidi3"
  26   [(set (match_operand:DI                          0 "register_operand" "=y")
  27         (mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "r"))
  28                  (sign_extend:DI (match_operand:SI 2 "register_operand" "r"))))]
  29   "TARGET_DSP"
  30   "muls\t%1, %2"
  31 )
  32
  33 (define_insn "umulsidi3"
  34   [(set (match_operand:DI                          0 "register_operand" "=y")
  35         (mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r"))
  36                  (zero_extend:DI (match_operand:SI 2 "register_operand" "r"))))]
  37   "TARGET_DSP"
  38   "mulu\t%1, %2"
  39 )
  40
  41 (define_insn "maddsidi4"
  42   [(set (match_operand:DI                                   0 "register_operand" "=y")
  43         (plus:DI (mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "r"))
  44                           (sign_extend:DI (match_operand:SI 2 "register_operand" "r")))
  45                  (match_operand:DI                          3 "register_operand" "0")))]
  46   "TARGET_DSP"
  47   "mulsa\t%1, %2"
  48 )
  49
  50 (define_insn "umaddsidi4"
  51   [(set (match_operand:DI                                   0 "register_operand" "=y")
  52         (plus:DI (mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r"))
  53                           (zero_extend:DI (match_operand:SI 2 "register_operand" "r")))
  54                  (match_operand:DI                          3 "register_operand" "0")))]
  55   "TARGET_DSP"
  56   "mulua\t%1, %2"
  57 )
  58
  59 (define_insn "msubsidi4"
  60   [(set (match_operand:DI                                    0 "register_operand" "=y")
  61         (minus:DI (match_operand:DI                          3 "register_operand" "0")
  62                   (mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "r"))
  63                            (sign_extend:DI (match_operand:SI 2 "register_operand" "r")))))]
  64   "TARGET_DSP"
  65   "mulss\t%1, %2"
  66 )
  67
  68 (define_insn "umsubsidi4"
  69   [(set (match_operand:DI                                    0 "register_operand" "=y")
  70         (minus:DI (match_operand:DI                          3 "register_operand" "0")
  71                   (mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r"))
  72                            (zero_extend:DI (match_operand:SI 2 "register_operand" "r")))))]
  73   "TARGET_DSP"
  74   "mulus\t%1, %2"
  75 )
  76
  77 (define_insn "*mulall_s16_0"
  78   [(set (match_operand:SI 0 "register_operand"                   "=r")
  79         (plus:SI (match_operand:SI 3 "register_operand"          " 0")
  80                  (mult:SI (match_operand:SI 1 "register_operand" " r")
  81                           (match_operand:SI 2 "register_operand" " r"))))]
  82   "CSKY_ISA_FEATURE (3E3r1)"
  83   "mula.32.l\t%0, %1, %2"
  84   [(set_attr "type" "alu")
  85    (set_attr "length" "4")])
  86
  87 (define_insn "*mulall_s16_1"
  88   [(set (match_operand:SI 0 "register_operand"                   "=r")
  89         (plus:SI (mult:SI (match_operand:SI 1 "register_operand" " r")
  90                           (match_operand:SI 2 "register_operand" " r"))
  91                  (match_operand:SI 3 "register_operand"          " 0")))]
  92   "CSKY_ISA_FEATURE (3E3r1)"
  93   "mula.32.l\t%0, %1, %2"
  94   [(set_attr "type" "alu")
  95    (set_attr "length" "4")])