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annotate gcc/config/i386/t-rtems-i386 @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 77e2b8dfacca
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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1 #
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2 # This file was based on t-sol2 - x68 Solaris implementation. Actually,
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3 # the source code to create crti.o anf crtn.o are exactly the same
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4 # as the ones for Solaris. Later, we might want to have a RTEMS's
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5 # version of these files.
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6 #
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7
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8 $(T)crti.o: $(srcdir)/config/i386/sol2-ci.asm $(GCC_PASSES)
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9 sed -e '/^!/d' <$(srcdir)/config/i386/sol2-ci.asm >crti.s
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10 $(GCC_FOR_TARGET) -c -o $(T)crti.o crti.s
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11 $(T)crtn.o: $(srcdir)/config/i386/sol2-cn.asm $(GCC_PASSES)
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12 sed -e '/^!/d' <$(srcdir)/config/i386/sol2-cn.asm >crtn.s
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13 $(GCC_FOR_TARGET) -c -o $(T)crtn.o crtn.s
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14
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15 # We want fine grained libraries, so use the new code to build the
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16 # floating point emulation libraries.
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17 FPBIT = fp-bit.c
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18 DPBIT = dp-bit.c
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19
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20 LIB2FUNCS_EXTRA = xp-bit.c
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21
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22 dp-bit.c: $(srcdir)/config/fp-bit.c
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23 echo '#ifdef __LITTLE_ENDIAN__' > dp-bit.c
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24 echo '#define FLOAT_BIT_ORDER_MISMATCH' >>dp-bit.c
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25 echo '#endif' >> dp-bit.c
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26 cat $(srcdir)/config/fp-bit.c >> dp-bit.c
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27
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28 fp-bit.c: $(srcdir)/config/fp-bit.c
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29 echo '#define FLOAT' > fp-bit.c
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30 echo '#ifdef __LITTLE_ENDIAN__' >> fp-bit.c
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31 echo '#define FLOAT_BIT_ORDER_MISMATCH' >>fp-bit.c
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32 echo '#endif' >> fp-bit.c
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33 cat $(srcdir)/config/fp-bit.c >> fp-bit.c
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34
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35 xp-bit.c: $(srcdir)/config/fp-bit.c
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36 echo '#define EXTENDED_FLOAT_STUBS' > xp-bit.c
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37 cat $(srcdir)/config/fp-bit.c >> xp-bit.c
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38
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39 MULTILIB_OPTIONS = mtune=i486/mtune=pentium/mtune=pentiumpro \
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40 msoft-float
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41 MULTILIB_DIRNAMES= m486 mpentium mpentiumpro soft-float
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42 MULTILIB_MATCHES = msoft-float=mno-m80387
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43 MULTILIB_MATCHES += mtune?pentium=mtune?k6 mtune?pentiumpro=mtune?mathlon
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44 MULTILIB_EXCEPTIONS = \
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45 mtune=pentium/*msoft-float* \
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46 mtune=pentiumpro/*msoft-float*
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47
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48 EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o
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49
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50 LIBGCC = stmp-multilib
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51 INSTALL_LIBGCC = install-multilib