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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [gcc/] [ada/] [gcc-interface/] [ada-tree.def] - Rev 593
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/****************************************************************************
* *
* GNAT COMPILER COMPONENTS *
* *
* GNAT-SPECIFIC GCC TREE CODES *
* *
* Specification *
* *
* Copyright (C) 1992-2009, Free Software Foundation, Inc. *
* *
* GNAT is free software; you can redistribute it and/or modify it under *
* terms of the GNU General Public License as published by the Free Soft- *
* ware Foundation; either version 3, or (at your option) any later ver- *
* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
* OUT 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/>. *
* *
* GNAT was originally developed by the GNAT team at New York University. *
* Extensive contributions were provided by Ada Core Technologies Inc. *
* *
****************************************************************************/
/* A type that is an unconstrained array. This node is never passed to GCC.
TREE_TYPE is the type of the fat pointer and TYPE_OBJECT_RECORD_TYPE is
the type of a record containing the template and data. */
DEFTREECODE (UNCONSTRAINED_ARRAY_TYPE, "unconstrained_array_type", tcc_type, 0)
/* A reference to an unconstrained array. This node only exists as an
intermediate node during the translation of a GNAT tree to a GCC tree;
it is never passed to GCC. The only field used is operand 0, which
is the fat pointer object. */
DEFTREECODE (UNCONSTRAINED_ARRAY_REF, "unconstrained_array_ref",
tcc_reference, 1)
/* An expression that returns an RTL suitable for its type. Operand 0
is an expression to be evaluated for side effects only. */
DEFTREECODE (NULL_EXPR, "null_expr", tcc_expression, 1)
/* Same as PLUS_EXPR, except that no modulo reduction is applied.
This is used for loops and never shows up in the tree. */
DEFTREECODE (PLUS_NOMOD_EXPR, "plus_nomod_expr", tcc_binary, 2)
/* Same as MINUS_EXPR, except that no modulo reduction is applied.
This is used for loops and never shows up in the tree. */
DEFTREECODE (MINUS_NOMOD_EXPR, "minus_nomod_expr", tcc_binary, 2)
/* Same as ADDR_EXPR, except that if the operand represents a bit field,
return the address of the byte containing the bit. This is used
for the Address attribute and never shows up in the tree. */
DEFTREECODE (ATTR_ADDR_EXPR, "attr_addr_expr", tcc_reference, 1)
/* Here are the tree codes for the statement types known to Ada. These
must be at the end of this file to allow IS_ADA_STMT to work. */
/* This is how record_code_position and insert_code_for work. The former
makes this tree node, whose operand is a statement. The latter inserts
the actual statements into this node. Gimplification consists of
just returning the inner statement. */
DEFTREECODE (STMT_STMT, "stmt_stmt", tcc_statement, 1)
/* A loop. LOOP_STMT_TOP_COND and LOOP_STMT_BOT_COND are the tests to exit a
loop at the top and bottom respectively. LOOP_STMT_UPDATE is the statement
to update the loop iterator at the continue point. LOOP_STMT_BODY are the
statements in the body of the loop. LOOP_STMT_LABEL points to the
LABEL_DECL of the end label of the loop. */
DEFTREECODE (LOOP_STMT, "loop_stmt", tcc_statement, 5)
/* Conditionally exit a loop. EXIT_STMT_COND is the condition, which, if
true, will cause the loop to be exited. If no condition is specified,
the loop is unconditionally exited. EXIT_STMT_LABEL is the end label
corresponding to the loop to exit. */
DEFTREECODE (EXIT_STMT, "exit_stmt", tcc_statement, 2)
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