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annotate gcc/c-family/c-common.def @ 116:367f9f4f266e

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fix gimple.h
author mir3636
date Tue, 28 Nov 2017 20:22:01 +0900
parents 04ced10e8804
children 84e7813d76e9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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1 /* This file contains the definitions and documentation for the
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2 additional tree codes used in the GNU C compiler (see tree.def
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3 for the standard codes).
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4 Copyright (C) 1987-2017 Free Software Foundation, Inc.
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5 Written by Benjamin Chelf <chelf@codesourcery.com>
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6
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7 This file is part of GCC.
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8
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9 GCC is free software; you can redistribute it and/or modify it under
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10 the terms of the GNU General Public License as published by the Free
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11 Software Foundation; either version 3, or (at your option) any later
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12 version.
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13
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14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with GCC; see the file COPYING3. If not see
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21 <http://www.gnu.org/licenses/>. */
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22
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23 /* Tree nodes used in the C frontend. These are also shared with the
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24 C++ and Objective C frontends. */
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25
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26 /* A C_MAYBE_CONST_EXPR, currently only used for C and Objective C,
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27 tracks information about constancy of an expression and VLA type
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28 sizes or VM expressions from typeof that need to be evaluated
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29 before the main expression. It is used during parsing and removed
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30 in c_fully_fold. C_MAYBE_CONST_EXPR_PRE is the expression to
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31 evaluate first, if not NULL; C_MAYBE_CONST_EXPR_EXPR is the main
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32 expression. If C_MAYBE_CONST_EXPR_INT_OPERANDS is set then the
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33 expression may be used in an unevaluated part of an integer
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34 constant expression, but not in an evaluated part. If
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35 C_MAYBE_CONST_EXPR_NON_CONST is set then the expression contains
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36 something that cannot occur in an evaluated part of a constant
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37 expression (or outside of sizeof in C90 mode); otherwise it does
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38 not. */
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39 DEFTREECODE (C_MAYBE_CONST_EXPR, "c_maybe_const_expr", tcc_expression, 2)
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40
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41 /* An EXCESS_PRECISION_EXPR, currently only used for C and Objective
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42 C, represents an expression evaluated in greater range or precision
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43 than its type. The type of the EXCESS_PRECISION_EXPR is the
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44 semantic type while the operand represents what is actually being
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45 evaluated. */
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46 DEFTREECODE (EXCESS_PRECISION_EXPR, "excess_precision_expr", tcc_expression, 1)
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47
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48 /* Used to represent a user-defined literal.
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49 The operands are an IDENTIFIER for the suffix, the VALUE of the literal,
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50 and for numeric literals the original string representation of the
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51 number. */
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52 DEFTREECODE (USERDEF_LITERAL, "userdef_literal", tcc_exceptional, 3)
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53
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54 /* Represents a 'sizeof' expression during C++ template expansion,
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55 or for the purpose of -Wsizeof-pointer-memaccess warning. */
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56 DEFTREECODE (SIZEOF_EXPR, "sizeof_expr", tcc_expression, 1)
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57
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58 /* Array Notation expression.
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59 Operand 0 is the array.
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60 Operand 1 is the starting array index.
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61 Operand 2 contains the number of elements you need to access.
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62 Operand 3 is the stride. */
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63 DEFTREECODE (ARRAY_NOTATION_REF, "array_notation_ref", tcc_reference, 4)
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64
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65 /*
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66 Local variables:
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67 mode:c
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68 End:
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69 */