113 lines
3.6 KiB
Markdown
113 lines
3.6 KiB
Markdown
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;; Constraint definitions for the MN10300.
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;; Copyright (C) 2007, 2008 Free Software Foundation, Inc.
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;;
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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
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;; it 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,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public 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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;; <http://www.gnu.org/licenses/>.
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(define_register_constraint "d" "DATA_REGS"
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"A data register.")
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(define_register_constraint "a" "ADDRESS_REGS"
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"An address register.")
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(define_register_constraint "y" "SP_REGS"
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"An SP register (if available).")
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(define_register_constraint "x" "TARGET_AM33 ? EXTENDED_REGS : NO_REGS"
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"An extended register.")
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(define_register_constraint "f" "TARGET_AM33_2 ? FP_REGS : NO_REGS"
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"A floating point register.")
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(define_register_constraint "A" "TARGET_AM33_2 ? FP_ACC_REGS : NO_REGS"
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"A floating point accumulator register.")
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(define_memory_constraint "Q"
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"@internal"
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(and (match_code "mem")
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(match_test "!CONSTANT_ADDRESS_P (XEXP (op, 0))")))
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(define_memory_constraint "R"
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"@internal"
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(and (match_code "mem")
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(match_test "mode == QImode")
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(ior (match_test "CONSTANT_ADDRESS_P (XEXP (op, 0))")
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(and (match_test "GET_CODE (XEXP (op, 0)) == REG")
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(match_test "REG_OK_FOR_BIT_BASE_P (XEXP (op, 0))")
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(match_test "XEXP (op, 0) != stack_pointer_rtx"))
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(and (match_test "GET_CODE (XEXP (op, 0)) == PLUS")
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(match_test "GET_CODE (XEXP (XEXP (op, 0), 0)) == REG")
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(match_test "REG_OK_FOR_BIT_BASE_P (XEXP (XEXP (op, 0), 0))")
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(match_test "XEXP (XEXP (op, 0), 0) != stack_pointer_rtx")
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(match_test "GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST_INT")
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(match_test "INT_8_BITS (INTVAL (XEXP (XEXP (op, 0), 1)))")))))
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(define_memory_constraint "T"
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"@internal"
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(and (match_code "mem")
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(match_test "mode == QImode")
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(and (match_test "GET_CODE (XEXP (op, 0)) == REG")
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(match_test "REG_OK_FOR_BIT_BASE_P (XEXP (op, 0))")
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(match_test "XEXP (op, 0) != stack_pointer_rtx"))))
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(define_constraint "S"
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"@internal"
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(if_then_else (match_test "flag_pic")
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(and (match_test "GET_CODE (op) == UNSPEC")
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(ior (match_test "XINT (op, 1) == UNSPEC_PLT")
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(match_test "XINT (op, 1) == UNSPEC_PIC")
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(match_test "XINT (op, 1) == UNSPEC_GOTSYM_OFF")))
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(match_test "GET_CODE (op) == SYMBOL_REF")))
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;; Integer constraints
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(define_constraint "I"
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"An integer zero."
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(and (match_code "const_int")
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(match_test "ival == 0")))
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(define_constraint "J"
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"An integer one."
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(and (match_code "const_int")
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(match_test "ival == 1")))
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(define_constraint "K"
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"An integer two."
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(and (match_code "const_int")
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(match_test "ival == 2")))
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(define_constraint "L"
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"An integer four."
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(and (match_code "const_int")
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(match_test "ival == 4")))
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(define_constraint "M"
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"An integer three."
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(and (match_code "const_int")
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(match_test "ival == 3")))
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(define_constraint "N"
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"An integer of either 255 or 65535."
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(and (match_code "const_int")
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(ior (match_test "ival == 255")
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(match_test "ival == 65535"))))
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;; Floating-point constraints
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(define_constraint "G"
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"Floating-point zero."
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(and (match_code "const_double")
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(match_test "op == CONST0_RTX (mode)")))
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