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annotate gcc/graphite-clast-to-gimple.h @ 55:77e2b8dfacca gcc-4.4.5

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update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
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children b7f97abdc517
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55
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1 /* Translation of CLAST (CLooG AST) to Gimple.
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2 Copyright (C) 2009 Free Software Foundation, Inc.
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3 Contributed by Sebastian Pop <sebastian.pop@amd.com>.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #ifndef GCC_GRAPHITE_CLAST_TO_GIMPLE_H
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22 #define GCC_GRAPHITE_CLAST_TO_GIMPLE_H
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23
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24 /* Data structure for CLooG program representation. */
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25
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26 typedef struct cloog_prog_clast {
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27 CloogProgram *prog;
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28 struct clast_stmt *stmt;
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29 } cloog_prog_clast;
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30
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31 /* Stores BB's related PBB. */
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32
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33 typedef struct bb_pbb_def
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34 {
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35 basic_block bb;
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36 poly_bb_p pbb;
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37 }bb_pbb_def;
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38
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39 extern bool gloog (scop_p, htab_t);
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40 extern cloog_prog_clast scop_to_clast (scop_p);
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41 extern void debug_clast_stmt (struct clast_stmt *);
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42 extern void print_clast_stmt (FILE *, struct clast_stmt *);
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43 extern void debug_clast_name_indexes (htab_t);
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44
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45 /* Hash function for data base element BB_PBB. */
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46
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47 static inline hashval_t
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48 bb_pbb_map_hash (const void *bb_pbb)
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49 {
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50 return (hashval_t)(((const bb_pbb_def *)bb_pbb)->bb->index);
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51 }
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52
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53 /* Compare data base element BB_PBB1 and BB_PBB2. */
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54
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55 static inline int
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56 eq_bb_pbb_map (const void *bb_pbb1, const void *bb_pbb2)
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57 {
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58 const bb_pbb_def *bp1 = (const bb_pbb_def *) bb_pbb1;
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59 const bb_pbb_def *bp2 = (const bb_pbb_def *) bb_pbb2;
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60 return (bp1->bb->index == bp2->bb->index);
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61 }
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62
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63 /* Returns the scattering dimension for STMTFOR.
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64
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65 The relationship between dimension in scattering matrix
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66 and the DEPTH of the loop is:
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67 DIMENSION = 2*DEPTH - 1
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68 */
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69
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70 static inline int get_scattering_level (int depth)
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71 {
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72 return 2 * depth - 1;
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73 }
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74
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75 #endif