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julius |
LIB1ASMSRC = arm/lib1funcs.asm
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LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func _call_via_rX _interwork_call_via_rX
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# We want fine grained libraries, so use the new code to build the
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# floating point emulation libraries.
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FPBIT = fp-bit.c
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DPBIT = dp-bit.c
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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 '#ifndef __ARMEB__' >> 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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cat $(srcdir)/config/fp-bit.c >> fp-bit.c
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dp-bit.c: $(srcdir)/config/fp-bit.c
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echo '#ifndef __ARMEB__' > dp-bit.c
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echo '#define FLOAT_BIT_ORDER_MISMATCH' >> dp-bit.c
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echo '#define FLOAT_WORD_ORDER_MISMATCH' >> dp-bit.c
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echo '#endif' >> dp-bit.c
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cat $(srcdir)/config/fp-bit.c >> dp-bit.c
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MULTILIB_OPTIONS = mbig-endian
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MULTILIB_DIRNAMES = be
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MULTILIB_EXCEPTIONS =
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MULTILIB_MATCHES = mbig-endian=mbe mlittle-endian=mle
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# Note XScale does not support hard FP
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MULTILIB_OPTIONS += mthumb-interwork
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MULTILIB_DIRNAMES += interwork
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MULTILIB_OPTIONS += mthumb
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MULTILIB_DIRNAMES += thumb
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MULTILIB_EXCEPTIONS += *mhard-float/*mthumb*
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MULTILIB_REDUNDANT_DIRS = interwork/thumb=thumb
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# The iWMMXt multilibs are suppressed for now because gcc only
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# supports generating them with the IWMMXT or AAPCS ABIs, neither of
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# which is the default. Until GCC can generate code for an iWMMXt
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# which will work with the default ABI it is not possible to safely
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# generate these multilibs.
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#
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# MULTILIB_OPTIONS += mcpu=iwmmxt
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# MULTILIB_DIRNAMES += iwmmxt
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# MULTILIB_REDUNDANT_DIRS += interwork/thumb/iwmmxt=thumb
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EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
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LIBGCC = stmp-multilib
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INSTALL_LIBGCC = install-multilib
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# Currently there is a bug somewhere in GCC's alias analysis
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# or scheduling code that is breaking _fpmul_parts in fp-bit.c.
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# Disabling function inlining is a workaround for this problem.
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TARGET_LIBGCC2_CFLAGS = -fno-inline
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# Assemble startup files.
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$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
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-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm
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$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
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-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
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