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annotate gcc/config/microblaze/predicates.md @ 68:561a7518be6b

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update gcc-4.6
author Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date Sun, 21 Aug 2011 07:07:55 +0900
parents
children 04ced10e8804
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68
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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1 ;; Predicate definitions for Xilinx MicroBlaze
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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2 ;; Copyright 2009, 2010 Free Software Foundation, Inc.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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3 ;;
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4 ;; Contributed by Michael Eager <eager@eagercon.com>.
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5 ;;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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6 ;; This file is part of GCC.
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7 ;;
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8 ;; GCC is free software; you can redistribute it and/or modify
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9 ;; it under the terms of the GNU General Public License as published by
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10 ;; the Free Software Foundation; either version 3, or (at your option)
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11 ;; any later version.
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12 ;;
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13 ;; GCC is distributed in the hope that it will be useful,
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14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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16 ;; GNU General Public License for more details.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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17 ;;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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18 ;; You should have received a copy of the GNU General Public License
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19 ;; along with GCC; see the file COPYING3. If not see
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20 ;; <http://www.gnu.org/licenses/>.
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21
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22
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23 ;; Return whether OP can be used as an operands in arithmetic.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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24 (define_predicate "arith_operand"
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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25 (ior (match_code "const_int,const_double")
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26 (match_operand 0 "register_operand")))
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27
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28 (define_predicate "arith_operand32"
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29 (ior (match_operand 0 "register_operand")
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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30 (and (match_code "const_int,const_double")
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31 (match_test "LARGE_INT (op)"))))
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32
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33 (define_predicate "const_0_operand"
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34 (and (match_code "const_int,const_double")
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35 (match_test "op == CONST0_RTX (GET_MODE (op))")))
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36
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37 ;; Return whether OP is a register or the constant 0.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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38 (define_predicate "reg_or_0_operand"
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39 (ior (match_operand 0 "const_0_operand")
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40 (match_operand 0 "register_operand")))
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41
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42 ;; Return if the operand is either the PC or a label_ref.
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43 (define_special_predicate "pc_or_label_operand"
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44 (ior (match_code "pc,label_ref")
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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45 (and (match_code "symbol_ref")
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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46 (match_test "!(strcmp ((XSTR (op, 0)), \"_stack_overflow_exit\"))"))))
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47
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48 ;; Test for valid call operand
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49 (define_predicate "call_insn_operand"
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50 (match_test "CALL_INSN_OP (op)"))
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51
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52 ;; Return if OPERAND is valid as a source operand for a move instruction.
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53 (define_predicate "move_operand"
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54 (and (
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55 not (
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56 and (match_code "plus")
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57 (not (match_test "(GET_CODE (XEXP (op, 0)) == REG) ^ (GET_CODE (XEXP (op,1)) == REG)"))
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58 )
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59 )
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60 (match_operand 0 "general_operand")))
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61
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62 ;; Test for valid PIC call operand
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63 (define_predicate "call_insn_plt_operand"
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64 (match_test "PLT_ADDR_P (op)"))