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;; Machine Description for TI MSP43* processors
;; Copyright (C) 2013-2014 Free Software Foundation, Inc.
;; Contributed by Red Hat.
;; 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/>.
(define_predicate "msp_volatile_memory_operand"
(and (match_code "mem")
(match_test ("memory_address_addr_space_p (GET_MODE (op), XEXP (op, 0), MEM_ADDR_SPACE (op))")))
)
; TRUE for any valid general operand. We do this because
; general_operand refuses to match volatile memory refs.
(define_predicate "msp_general_operand"
(ior (match_operand 0 "general_operand")
(match_operand 0 "msp_volatile_memory_operand"))
)
; Likewise for nonimmediate_operand.
(define_predicate "msp_nonimmediate_operand"
(ior (match_operand 0 "nonimmediate_operand")
(match_operand 0 "msp_volatile_memory_operand"))
)
(define_predicate "ubyte_operand"
(and (match_code "const_int")
(match_test "IN_RANGE (INTVAL (op), 0, 255)")))
; TRUE for comparisons we support.
(define_predicate "msp430_cmp_operator"
(match_code "eq,ne,lt,ltu,ge,geu"))
; TRUE for comparisons we need to reverse.
(define_predicate "msp430_reversible_cmp_operator"
(match_code "gt,gtu,le,leu"))
; TRUE for constants the constant generator can produce
(define_predicate "msp430_constgen_operator"
(and (match_code "const_int")
(match_test (" INTVAL (op) == 0
|| INTVAL (op) == 1
|| INTVAL (op) == 2
|| INTVAL (op) == 4
|| INTVAL (op) == 8
|| INTVAL (op) == -1 "))))
; TRUE for constants the constant generator can produce
(define_predicate "msp430_inv_constgen_operator"
(and (match_code "const_int")
(match_test (" INTVAL (op) == ~0
|| INTVAL (op) == ~1
|| INTVAL (op) == ~2
|| INTVAL (op) == ~4
|| INTVAL (op) == ~8
|| INTVAL (op) == ~(-1) "))))
(define_predicate "msp430_nonsubreg_operand"
(match_code "reg,mem"))
; TRUE for constants which are bit positions for zero_extract
(define_predicate "msp430_bitpos"
(and (match_code "const_int")
(match_test (" INTVAL (op) >= 0
&& INTVAL (op) <= 15 "))))
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