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jeremybenn |
;; Toshiba Media Processor Machine predicates
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;; Copyright (C) 2009 Free Software Foundation, Inc.
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;; Contributed by Red Hat Inc.
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;; This file is part of GCC.
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;;
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;; GCC is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;;
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;; GCC is distributed in the hope that it will be useful, but WITHOUT
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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;; License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GCC; see the file COPYING3. If not see
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;; . */
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;; (define_predicate "cgen_h_uint_7a1_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_uint_6a2_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_uint_22a4_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_sint_2a1_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_uint_24a1_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_sint_6a1_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_uint_5a4_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_uint_2a1_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_uint_16a1_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_uint_3a1_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_uint_5a1_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_sint_16a1_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_sint_5a8_immediate"
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;; (match_code "const_int"))
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;; (define_predicate "cgen_h_uint_4a1_immediate"
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;; (match_code "const_int"))
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(define_predicate "cgen_h_sint_7a2_immediate"
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(match_code "const_int")
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{ int i = INTVAL (op);
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return ((i & 1) == 0 && i >= -128 && i < 128);
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})
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(define_predicate "cgen_h_sint_6a4_immediate"
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(match_code "const_int")
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{ int i = INTVAL (op);
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return ((i & 3) == 0 && i >= -256 && i < 256);
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})
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;; This is used below, to simplify things.
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(define_predicate "mep_subreg_operand"
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(ior
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(and (and (and (match_code "subreg")
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(match_code "reg" "0"))
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(match_test "REGNO (SUBREG_REG (op)) >= FIRST_PSEUDO_REGISTER"))
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(match_test "!(reload_completed || reload_in_progress)"))
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(and (match_code "reg")
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(match_test "REGNO (op) >= FIRST_PSEUDO_REGISTER"))))
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(define_predicate "symbolic_operand"
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(match_code "const,symbol_ref,label_ref"))
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(define_predicate "mep_farsym_operand"
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(and (match_code "const,symbol_ref")
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(match_test "mep_section_tag (op) == 'f'")))
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(define_predicate "mep_nearsym_operand"
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(and (match_code "const,symbol_ref,label_ref")
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(match_test "mep_section_tag (op) != 'f'")))
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(define_predicate "mep_movdest_operand"
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(and (match_test "mep_section_tag (op) != 'f'")
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(match_operand 0 "nonimmediate_operand")))
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(define_predicate "mep_r0_15_operand"
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(ior (match_operand 0 "mep_subreg_operand")
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(and (match_code "reg")
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(match_test "GR_REGNO_P (REGNO (op))"))))
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(define_predicate "mep_r0_operand"
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(and (match_code "reg")
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(ior (match_test "REGNO (op) == 0")
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(match_test "!(reload_completed || reload_in_progress)
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&& REGNO (op) >= FIRST_PSEUDO_REGISTER"))))
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(define_predicate "mep_hi_operand"
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(ior (match_operand 0 "mep_subreg_operand")
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(and (match_code "reg")
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(match_test "REGNO (op) == HI_REGNO"))))
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(define_predicate "mep_lo_operand"
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(ior (match_operand 0 "mep_subreg_operand")
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(and (match_code "reg")
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(match_test "REGNO (op) == LO_REGNO"))))
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(define_predicate "mep_tp_operand"
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(ior (match_operand 0 "mep_subreg_operand")
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(and (match_code "reg")
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(match_test "REGNO (op) == TP_REGNO"))))
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(define_predicate "mep_gp_operand"
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(ior (match_operand 0 "mep_subreg_operand")
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(and (match_code "reg")
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(match_test "REGNO (op) == GP_REGNO"))))
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(define_predicate "mep_sp_operand"
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(match_test "op == stack_pointer_rtx"))
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(define_predicate "mep_tprel_operand"
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(ior (match_operand 0 "mep_subreg_operand")
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(and (match_code "reg")
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(match_test "REGNO (op) < 8"))))
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(define_predicate "mep_call_address_operand"
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(and (match_test "mep_section_tag (op) != 'f'")
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(and (ior (not (match_code "symbol_ref"))
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(match_test "mep_section_tag (DECL_RTL (cfun->decl)) != 'f'
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&& !mep_lookup_pragma_call (XSTR (op, 0))"))
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(match_code "symbol_ref,reg"))))
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(define_predicate "mep_Y_operand"
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(and (match_code "mem")
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(match_code "reg" "0")))
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(define_predicate "mep_imm4_operand"
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(and (match_code "const_int")
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(match_test "INTVAL (op) >= 0 && INTVAL (op) <= 15")))
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(define_predicate "mep_reg_or_imm4_operand"
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(ior (match_code "reg")
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(and (match_code "const_int")
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(match_test "INTVAL (op) >= 0 && INTVAL (op) <= 15"))))
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(define_predicate "mep_imm7a4_operand"
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(and (match_code "const_int")
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(match_test "INTVAL (op) >= 0 && INTVAL (op) < 128 && INTVAL (op) % 4 == 0")))
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(define_predicate "mep_slad_operand"
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(and (match_code "const_int")
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(match_test "INTVAL (op) == 2 || INTVAL (op) == 4")))
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(define_predicate "mep_add_operand"
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(ior (and (match_code "const")
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(and (match_operand 0 "symbolic_operand")
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(and (match_test "mep_section_tag(op) == 'b' || mep_section_tag(op) == 't'")
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(ior (match_code "unspec" "0")
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(and (match_code "plus" "0")
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(match_code "unspec" "00"))))))
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(match_code "const_int,reg")))
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;; Return true if OP is an integer in the range 0..7 inclusive.
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;; On the MeP-h1, shifts by such constants execute in a single stage
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;; and shifts by larger values execute in two.
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(define_predicate "mep_single_shift_operand"
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(and (match_code "const_int")
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(match_test "INTVAL (op) >= 0 && INTVAL (op) <= 7")))
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;; Return true if OP is an operation that can be performed using bsetm,
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;; bclrm or bnotm. The possibilities are:
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;; bsetm: (ior X Y), Y has one bit set
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;; bclrm: (and X Y), Y has one bit clear
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;; bnotm: (xor X Y), Y has one bit set.
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(define_predicate "mep_bit_operator"
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(and (match_code "and,ior,xor")
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(match_test "mep_bit_position_p (XEXP (op, 1), GET_CODE (op) != AND)")))
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(define_predicate "mep_reload_operand"
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(ior (and (match_code "reg")
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(match_test "!ANY_CONTROL_REGNO_P (REGNO (op))"))
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(and (match_code "mem,symbol_ref")
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(match_test "mep_section_tag (op) != 'f'"))))
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