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;; C-SKY DSP instruction descriptions.
;; Copyright (C) 2018-2024 Free Software Foundation, Inc.
;; Contributed by C-SKY Microsystems and Mentor Graphics.
;;
;; This file is part of GCC.
;;
;; GCC is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;;
;; GCC is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GCC; see the file COPYING3. If not see
;; <http://www.gnu.org/licenses/>. */
;; ------------------------------------------------------------
;; DSP insns
;; ------------------------------------------------------------
(define_insn "mulsidi3"
[(set (match_operand:DI 0 "register_operand" "=y")
(mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "r"))
(sign_extend:DI (match_operand:SI 2 "register_operand" "r"))))]
"TARGET_DSP"
"muls\t%1, %2"
)
(define_insn "umulsidi3"
[(set (match_operand:DI 0 "register_operand" "=y")
(mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r"))
(zero_extend:DI (match_operand:SI 2 "register_operand" "r"))))]
"TARGET_DSP"
"mulu\t%1, %2"
)
(define_insn "maddsidi4"
[(set (match_operand:DI 0 "register_operand" "=y")
(plus:DI (mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "r"))
(sign_extend:DI (match_operand:SI 2 "register_operand" "r")))
(match_operand:DI 3 "register_operand" "0")))]
"TARGET_DSP"
"mulsa\t%1, %2"
)
(define_insn "umaddsidi4"
[(set (match_operand:DI 0 "register_operand" "=y")
(plus:DI (mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r"))
(zero_extend:DI (match_operand:SI 2 "register_operand" "r")))
(match_operand:DI 3 "register_operand" "0")))]
"TARGET_DSP"
"mulua\t%1, %2"
)
(define_insn "msubsidi4"
[(set (match_operand:DI 0 "register_operand" "=y")
(minus:DI (match_operand:DI 3 "register_operand" "0")
(mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" "r"))
(sign_extend:DI (match_operand:SI 2 "register_operand" "r")))))]
"TARGET_DSP"
"mulss\t%1, %2"
)
(define_insn "umsubsidi4"
[(set (match_operand:DI 0 "register_operand" "=y")
(minus:DI (match_operand:DI 3 "register_operand" "0")
(mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" "r"))
(zero_extend:DI (match_operand:SI 2 "register_operand" "r")))))]
"TARGET_DSP"
"mulus\t%1, %2"
)
(define_insn "*mulall_s16_0"
[(set (match_operand:SI 0 "register_operand" "=r")
(plus:SI (match_operand:SI 3 "register_operand" " 0")
(mult:SI (match_operand:SI 1 "register_operand" " r")
(match_operand:SI 2 "register_operand" " r"))))]
"CSKY_ISA_FEATURE (3E3r1)"
"mula.32.l\t%0, %1, %2"
[(set_attr "type" "alu")
(set_attr "length" "4")])
(define_insn "*mulall_s16_1"
[(set (match_operand:SI 0 "register_operand" "=r")
(plus:SI (mult:SI (match_operand:SI 1 "register_operand" " r")
(match_operand:SI 2 "register_operand" " r"))
(match_operand:SI 3 "register_operand" " 0")))]
"CSKY_ISA_FEATURE (3E3r1)"
"mula.32.l\t%0, %1, %2"
[(set_attr "type" "alu")
(set_attr "length" "4")])
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