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1 /* Definitions of target machine for GNU compiler, for DEC Alpha on Tru64 5.
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2 Copyright (C) 2000, 2001, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 GCC is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 /* Tru64 5.1 uses IEEE QUAD format. */
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21 #undef TARGET_DEFAULT
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22 #define TARGET_DEFAULT (MASK_FPREGS | MASK_LONG_DOUBLE_128)
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23
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24 /* In Tru64 UNIX V5.1, Compaq introduced a new assembler
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25 (/usr/lib/cmplrs/cc/adu) which currently (versions between 3.04.29 and
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26 3.04.32) breaks mips-tfile. Passing the undocumented -oldas flag reverts
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27 to using the old assembler (/usr/lib/cmplrs/cc/as[01]).
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28
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29 The V5.0 and V5.0A assemblers silently ignore -oldas, so it can be
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30 specified here.
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31
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32 It is clearly not desirable to depend on this undocumented flag, and
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33 Compaq wants -oldas to go away soon, but until they have released a
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34 new adu that works with mips-tfile, this is the only option.
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35
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36 In some versions of the DTK, the assembler driver invokes ld after
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37 assembly. This has been fixed in current versions, but adding -c
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38 works as expected for all versions. */
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39
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40 #undef ASM_OLDAS_SPEC
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41 #define ASM_OLDAS_SPEC "-oldas -c"
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42
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43 /* The linker appears to perform invalid code optimizations that result
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44 in the ldgp emitted for the exception_receiver pattern being incorrectly
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45 linked. */
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46 #undef TARGET_LD_BUGGY_LDGP
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47 #define TARGET_LD_BUGGY_LDGP 1
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48
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49 /* Tru64 v5.1 has the float and long double forms of math functions. */
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50 #undef TARGET_C99_FUNCTIONS
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51 #define TARGET_C99_FUNCTIONS 1
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52
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53 /* The native assembler doesn't understand parenthesis. */
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54 #define TARGET_ASM_OPEN_PAREN ""
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55 #define TARGET_ASM_CLOSE_PAREN ""
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56
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