annotate gcc/config/mips/t-sr71k @ 55:77e2b8dfacca gcc-4.4.5

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
parents a06113de4d67
children f6334be47118
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55
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1 # Copyright (C) 2002, 2003 Free Software Foundation, Inc.
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2 #
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3 # This file is part of GCC.
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4 #
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5 # GCC is free software; you can redistribute it and/or modify
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6 # it under the terms of the GNU General Public License as published by
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7 # the Free Software Foundation; either version 3, or (at your option)
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8 # any later version.
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9 #
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10 # GCC is distributed in the hope that it will be useful,
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11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 # GNU General Public License for more details.
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14 #
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15 # You should have received a copy of the GNU General Public License
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16 # along with GCC; see the file COPYING3. If not see
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17 # <http://www.gnu.org/licenses/>.
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18
0
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19 # Suppress building libgcc1.a, since the MIPS compiler port is complete
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20 # and does not need anything from libgcc1.a.
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21 LIBGCC1 =
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22 CROSS_LIBGCC1 =
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23
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24 EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
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25 # Don't let CTOR_LIST end up in sdata section.
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26 CRTSTUFF_T_CFLAGS = -G 0
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27
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28 # Assemble startup files.
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29 $(T)crti.o: $(srcdir)/config/mips/crti.asm $(GCC_PASSES)
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30 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
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31 -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/mips/crti.asm
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32
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33 $(T)crtn.o: $(srcdir)/config/mips/crtn.asm $(GCC_PASSES)
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34 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
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35 -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/mips/crtn.asm
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36
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37 # We must build libgcc2.a with -G 0, in case the user wants to link
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38 # without the $gp register.
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39 TARGET_LIBGCC2_CFLAGS = -G 0
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40
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41 # fp-bit and dp-bit are really part of libgcc1, but this will cause
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42 # them to be built correctly, so... [taken from t-sparclite]
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43 # We want fine grained libraries, so use the new code to build the
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44 # floating point emulation libraries.
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45 FPBIT = fp-bit.c
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46 DPBIT = dp-bit.c
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47
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48 dp-bit.c: $(srcdir)/config/fp-bit.c
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49 echo '#ifdef __MIPSEL__' > dp-bit.c
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50 echo '#define FLOAT_BIT_ORDER_MISMATCH' >> dp-bit.c
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51 echo '#endif' >> dp-bit.c
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52 echo '#define US_SOFTWARE_GOFAST' >> dp-bit.c
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53 cat $(srcdir)/config/fp-bit.c >> dp-bit.c
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54
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55 fp-bit.c: $(srcdir)/config/fp-bit.c
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56 echo '#define FLOAT' > fp-bit.c
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57 echo '#ifdef __MIPSEL__' >> fp-bit.c
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58 echo '#define FLOAT_BIT_ORDER_MISMATCH' >> fp-bit.c
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59 echo '#endif' >> fp-bit.c
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60 echo '#define US_SOFTWARE_GOFAST' >> fp-bit.c
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61 cat $(srcdir)/config/fp-bit.c >> fp-bit.c
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62
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63 # Build the libraries for both hard and soft floating point
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64
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65 MULTILIB_OPTIONS = EL/EB msoft-float mips2
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66 MULTILIB_DIRNAMES = el eb soft-float mips2
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67
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68 LIBGCC = stmp-multilib
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69 INSTALL_LIBGCC = install-multilib