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101 lines
3.9 KiB
Plaintext
101 lines
3.9 KiB
Plaintext
# GCC Makefile fragment for Synopsys DesignWare ARC
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# Copyright (C) 2007-2014 Free Software Foundation, Inc.
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# Contributor: Joern Rennecke <joern.rennecke@embecosm.com>
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# on behalf of Synopsys Inc.
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# This file is part of GCC.
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# GCC is free software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 3, or (at your option) any later version.
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# GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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# You should have received a copy of the GNU General Public License along
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# with GCC; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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CROSS_LIBGCC1 = libgcc1-asm.a
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LIB1ASMSRC = arc/lib1funcs.S
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LIB1ASMFUNCS = _mulsi3 _umulsidi3 _umulsi3_highpart \
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_udivsi3 _divsi3 _umodsi3 _modsi3 \
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_divmod_tools _clzsi2 \
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_millicodethunk_st _millicodethunk_ld _millicodethunk_ret \
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_adddf3 _muldf3 _addsf3 _mulsf3 _divsf3 _divdf3 _truncdfsf2 _extendsfdf2 \
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_eqdf2 _eqsf2 _gedf2 _gesf2 _gtdf2 _gtsf2 _uneqdf2 _uneqsf2 _ordsf2 _orddf2 \
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_fixdfsi _fixsfsi _floatsidf _floatsisf _fixunsdfsi _floatunsidf
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#LIBGCC2_CFLAGS = -g1 -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS)
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# For floating-point emulation, we mostly use hand-coded assembly.
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# We use fp-bit.c for debugging purposes, and some parts of it
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# as a fallback for hardware configurations for which the hand-coded
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# assembly support is incomplete, i.e., where there is no NORM and/or no
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# supported multiply instruction. Using floating point on such a
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# configuration is generally inadvisable, but we got to provide support
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# somehow so that we can run the testsuites.
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# fp-hack.h / dp-hack.h take care of slecting the parts that are needed,
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# and (for debugging) of renaming functions so that they can be
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# used in an asm wrapper.
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LIB2ADD = fp-bit.c dp-bit.c
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dp-bit.c: $(srcdir)/fp-bit.c
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echo '#ifndef __big_endian__' > dp-bit.c
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echo '#define FLOAT_BIT_ORDER_MISMATCH' >> dp-bit.c
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echo '#endif' >> dp-bit.c
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echo '#include "fp-bit.h"' >> dp-bit.c
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echo '#include "config/arc/dp-hack.h"' >> dp-bit.c
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grep -v 'include.*fp-bit.h' $(srcdir)/fp-bit.c >> dp-bit.c
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fp-bit.c: $(srcdir)/fp-bit.c
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echo '#define FLOAT' > fp-bit.c
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echo '#ifndef __big_endian__' >> fp-bit.c
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echo '#define FLOAT_BIT_ORDER_MISMATCH' >> fp-bit.c
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echo '#endif' >> fp-bit.c
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echo '#include "config/arc/fp-hack.h"' >> fp-bit.c
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cat $(srcdir)/fp-bit.c >> fp-bit.c
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# .init/.fini section routines
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crtg.o: $(srcdir)/config/arc/crtg.S
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$(crt_compile) -c -x assembler-with-cpp $<
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crtgend.o: $(srcdir)/config/arc/crtgend.S
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$(crt_compile) -c -x assembler-with-cpp $<
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mcount.o: $(srcdir)/config/arc/gmon/mcount.c
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$(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $< \
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-fcall-saved-r0 -fcall-saved-r1 -fcall-saved-r2 -fcall-saved-r3 \
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-fcall-saved-r4 -fcall-saved-r5 -fcall-saved-r6 -fcall-saved-r7 \
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-fomit-frame-pointer
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gmon.o: $(srcdir)/config/arc/gmon/gmon.c
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$(gcc_compile) -isystem $(srcdir)/config/arc/gmon -mno-sdata -c $< \
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-fno-strict-aliasing \
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-Wno-extra # suppress inane warning about missing initializer.
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# Adding initializers for the remaining elements of gmonparam would
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# make the code more brittle.
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prof-freq-stub.o: $(srcdir)/config/arc/gmon/prof-freq-stub.S
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$(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $<
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prof-freq.o: $(srcdir)/config/arc/gmon/prof-freq.c
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$(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $<
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dcache_linesz.o: $(srcdir)/config/arc/gmon/dcache_linesz.S
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$(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $<
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profil.o: $(srcdir)/config/arc/gmon/profil.S
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$(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $<
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profil-uclibc.o: $(srcdir)/config/arc/gmon/profil-uclibc.c
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$(gcc_compile) -isystem $(srcdir)/config/arc/gmon -c $<
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libgmon.a: mcount.o gmon.o dcache_linesz.o $(PROFILE_OSDEP)
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$(AR_CREATE_FOR_TARGET) $@ $^
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