190075SobrienLIB1ASMSRC = arm/lib1funcs.asm
290075SobrienLIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func _call_via_rX _interwork_call_via_rX
390075Sobrien
490075Sobrien# We want fine grained libraries, so use the new code to build the
590075Sobrien# floating point emulation libraries.
690075SobrienFPBIT = fp-bit.c
790075SobrienDPBIT = dp-bit.c
890075Sobrien
990075Sobrienfp-bit.c: $(srcdir)/config/fp-bit.c
1090075Sobrien	echo '#define FLOAT' > fp-bit.c
1190075Sobrien	echo '#ifndef __ARMEB__' >> fp-bit.c
1290075Sobrien	echo '#define FLOAT_BIT_ORDER_MISMATCH' >> fp-bit.c
1390075Sobrien	echo '#endif' >> fp-bit.c
1490075Sobrien	cat $(srcdir)/config/fp-bit.c >> fp-bit.c
1590075Sobrien
1690075Sobriendp-bit.c: $(srcdir)/config/fp-bit.c
1790075Sobrien	echo '#ifndef __ARMEB__' > dp-bit.c
1890075Sobrien	echo '#define FLOAT_BIT_ORDER_MISMATCH' >> dp-bit.c
1990075Sobrien	echo '#define FLOAT_WORD_ORDER_MISMATCH' >> dp-bit.c
2090075Sobrien	echo '#endif' >> dp-bit.c
2190075Sobrien	cat $(srcdir)/config/fp-bit.c >> dp-bit.c
2290075Sobrien
23169689SkanMULTILIB_OPTIONS     = mbig-endian
24169689SkanMULTILIB_DIRNAMES    = be
2590075SobrienMULTILIB_EXCEPTIONS  = 
2690075SobrienMULTILIB_MATCHES     = mbig-endian=mbe mlittle-endian=mle
2790075Sobrien
2890075Sobrien# Note XScale does not support hard FP
2990075Sobrien
30169689SkanMULTILIB_OPTIONS    += mthumb-interwork
31169689SkanMULTILIB_DIRNAMES   += interwork
3290075Sobrien
33169689SkanMULTILIB_OPTIONS    += mthumb
34169689SkanMULTILIB_DIRNAMES   += thumb
3590075SobrienMULTILIB_EXCEPTIONS += *mhard-float/*mthumb*
3690075Sobrien
3790075SobrienMULTILIB_REDUNDANT_DIRS = interwork/thumb=thumb
3890075Sobrien
39169689Skan# The iWMMXt multilibs are suppressed for now because gcc only
40169689Skan# supports generating them with the IWMMXT or AAPCS ABIs, neither of
41169689Skan# which is the default.  Until GCC can generate code for an iWMMXt
42169689Skan# which will work with the default ABI it is not possible to safely
43169689Skan# generate these multilibs.
44169689Skan#
45169689Skan# MULTILIB_OPTIONS    += mcpu=iwmmxt
46169689Skan# MULTILIB_DIRNAMES   += iwmmxt
47169689Skan# MULTILIB_REDUNDANT_DIRS += interwork/thumb/iwmmxt=thumb
48132718Skan
4990075SobrienEXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
5090075Sobrien
5190075SobrienLIBGCC               = stmp-multilib
5290075SobrienINSTALL_LIBGCC       = install-multilib
5390075Sobrien
5490075Sobrien# Currently there is a bug somewhere in GCC's alias analysis
5590075Sobrien# or scheduling code that is breaking _fpmul_parts in fp-bit.c.
5690075Sobrien# Disabling function inlining is a workaround for this problem.
57169689SkanTARGET_LIBGCC2_CFLAGS = -fno-inline
5890075Sobrien
5990075Sobrien# Assemble startup files.
6090075Sobrien$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
6190075Sobrien	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
6290075Sobrien	-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm
6390075Sobrien
6490075Sobrien$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
6590075Sobrien	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
6690075Sobrien	-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
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