81 lines
3.2 KiB
Plaintext
81 lines
3.2 KiB
Plaintext
# Copyright (C) 2008 Free Software Foundation, Inc.
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#
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# This file is part of GCC.
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#
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# GCC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GCC 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 GCC; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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# Compile the extra library functions.
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LIB2FUNCS_EXTRA = \
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$(srcdir)/config/picochip/libgccExtras/ashrsi3.asm \
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$(srcdir)/config/picochip/libgccExtras/ashlsi3.asm \
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$(srcdir)/config/picochip/libgccExtras/divmodhi4.asm \
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$(srcdir)/config/picochip/libgccExtras/udivmodhi4.asm \
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$(srcdir)/config/picochip/libgccExtras/divmodsi4.asm \
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$(srcdir)/config/picochip/libgccExtras/udivmodsi4.asm \
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$(srcdir)/config/picochip/libgccExtras/divmod15.asm \
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$(srcdir)/config/picochip/libgccExtras/ucmpsi2.asm \
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$(srcdir)/config/picochip/libgccExtras/cmpsi2.asm \
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$(srcdir)/config/picochip/libgccExtras/clzsi2.asm \
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$(srcdir)/config/picochip/libgccExtras/adddi3.asm \
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$(srcdir)/config/picochip/libgccExtras/subdi3.asm \
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$(srcdir)/config/picochip/libgccExtras/lshrsi3.asm \
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$(srcdir)/config/picochip/libgccExtras/parityhi2.asm \
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$(srcdir)/config/picochip/libgccExtras/popcounthi2.asm
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# Prevent some of the more complicated libgcc functions from being
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# compiled. This is because they are generally too big to fit into an
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# AE anyway, so there is no point in having them. Also, some don't
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# compile properly so we'll ignore them for the moment.
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LIB1ASMFUNCS = _mulsc3 _divsc3
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LIB1ASMSRC = picochip/libgccExtras/fake_libgcc.asm
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# Turn off the building of exception handling libraries.
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LIB2ADDEH =
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LIB2ADDEHDEP =
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# Turn off ranlib on target libraries.
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RANLIB_FOR_TARGET = cat
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# Special libgcc setup. Make single/double floating point the same,
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# and use our own include files.
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TARGET_LIBGCC2_CFLAGS = -DDF=SF -I../../includes/
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# Switch off all debugging for the embedded libraries.
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# (embedded processors need small libraries by default).
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# NOTE: If the debug level is increased, turn off instruction scheduling.
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LIBGCC2_DEBUG_CFLAGS = -g0
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# Build all combinations of library for different multiply units, and
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# presence/absence of byte access.
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MULTILIB_OPTIONS = mmul-type=none/mmul-type=mac/mmul-type=mul mno-byte-access/mbyte-access
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# Using a mul unit (currently) implies that byte access is available.
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MULTILIB_EXCEPTIONS = mmul-type=mul/mno-byte-access
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# We want fine grained libraries, so use the new code
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# to build the floating point emulation libraries.
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FPBIT = fp-bit.c
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# Software floating point support. Floating point is not properly
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# supported, but is existence can be useful for some types of testing.
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fp-bit.c: $(srcdir)/config/fp-bit.c
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echo '#define FLOAT' > fp-bit.c
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echo '#define FLOAT_ONLY' >> fp-bit.c
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echo '#define SMALL_MACHINE' >> fp-bit.c
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cat $(srcdir)/config/fp-bit.c >> fp-bit.c
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