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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [opt-gather.awk] - Blame information for rev 304

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1 280 jeremybenn
#  Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
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#  Contributed by Kelley Cook, June 2004.
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#  Original code from Neil Booth, May 2003.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 3, or (at your option) any
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# later version.
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#
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# This program 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 this program; see the file COPYING3.  If not see
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# <http://www.gnu.org/licenses/>.
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# This Awk script takes a list of *.opt files and combines them into
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# a three-field sorted list suitable for input into opt[ch]-gen.awk.
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#
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# Usage: awk -f opt-gather.awk file1.opt [...] > outputfile
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function sort(ARRAY, ELEMENTS)
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{
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        for (i = 2; i <= ELEMENTS; ++i) {
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                for (j = i; ARRAY[j-1] > ARRAY[j]; --j) {
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                        temp = ARRAY[j]
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                        ARRAY[j] = ARRAY[j-1]
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                        ARRAY[j-1] = temp
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                }
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        }
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        return
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}
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BEGIN { numrec = 0 }
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# Ignore comments and blank lines
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/^[ \t]*(;|$)/  { flag = 0; next }
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/^[^ \t]/       { if (flag == 0) {
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                    record[++numrec] = $0
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                    flag = 1 }
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                  else {
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                    record[numrec] = record[numrec] SUBSEP $0
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                  }
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}
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# Sort it and output it
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END {
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        sort(record,numrec)
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        for (i = 1; i <= numrec; i++) {
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                print record[i] }
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}

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