Subversion Repositories openrisc_2011-10-31

# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,

# 2008 Free Software Foundation, Inc.

#

# This file is part of GCC.

#

# GCC is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3, or (at your option)

# any later version.

#

# GCC is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with GCC; see the file COPYING3.  If not see

# .

# For most CPUs we have an assembly soft-float implementations.

# However this is not true for ARMv6M.  Here we want to use the soft-fp C

# implementation.  The soft-fp code is only build for ARMv6M.  This pulls

# in the asm implementation for other CPUs.

LIB1ASMFUNCS += _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func \

        _call_via_rX _interwork_call_via_rX \

        _lshrdi3 _ashrdi3 _ashldi3 \

        _arm_negdf2 _arm_addsubdf3 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \

        _arm_fixdfsi _arm_fixunsdfsi \

        _arm_truncdfsf2 _arm_negsf2 _arm_addsubsf3 _arm_muldivsf3 \

        _arm_cmpsf2 _arm_unordsf2 _arm_fixsfsi _arm_fixunssfsi \

        _arm_floatdidf _arm_floatdisf _arm_floatundidf _arm_floatundisf \

        _clzsi2 _clzdi2

MULTILIB_OPTIONS     = marm/mthumb

MULTILIB_DIRNAMES    = arm thumb

MULTILIB_EXCEPTIONS  =

MULTILIB_MATCHES     =

#MULTILIB_OPTIONS      += march=armv7

#MULTILIB_DIRNAMES     += thumb2

#MULTILIB_EXCEPTIONS   += march=armv7* marm/*march=armv7*

#MULTILIB_MATCHES      += march?armv7=march?armv7-a

#MULTILIB_MATCHES      += march?armv7=march?armv7-r

#MULTILIB_MATCHES      += march?armv7=march?armv7-m

#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a8

#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-r4

#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m3

# Not quite true.  We can support hard-vfp calling in Thumb2, but how do we

# express that here?  Also, we really need architecture v5e or later

# (mcrr etc).

MULTILIB_OPTIONS       += mfloat-abi=hard

MULTILIB_DIRNAMES      += fpu

MULTILIB_EXCEPTIONS    += *mthumb/*mfloat-abi=hard*

# MULTILIB_OPTIONS    += mcpu=ep9312

# MULTILIB_DIRNAMES   += ep9312

# MULTILIB_EXCEPTIONS += *mthumb/*mcpu=ep9312*

#

# MULTILIB_OPTIONS     += mlittle-endian/mbig-endian

# MULTILIB_DIRNAMES    += le be

# MULTILIB_MATCHES     += mbig-endian=mbe mlittle-endian=mle

#

# MULTILIB_OPTIONS    += mhard-float/msoft-float

# MULTILIB_DIRNAMES   += fpu soft

# MULTILIB_EXCEPTIONS += *mthumb/*mhard-float*

#

# MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork

# MULTILIB_DIRNAMES   += normal interwork

#

# MULTILIB_OPTIONS    += fno-leading-underscore/fleading-underscore

# MULTILIB_DIRNAMES   += elf under

#

# MULTILIB_OPTIONS    += mcpu=arm7

# MULTILIB_DIRNAMES   += nofmult

# MULTILIB_EXCEPTIONS += *mthumb*/*mcpu=arm7*

# # Note: the multilib_exceptions matches both -mthumb and

# # -mthumb-interwork

# #

# # We have to match all the arm cpu variants which do not have the

# # multiply instruction and treat them as if the user had specified

# # -mcpu=arm7.  Note that in the following the ? is interpreted as

# # an = for the purposes of matching command line options.

# # FIXME: There ought to be a better way to do this.

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7d

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7di

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm70

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm700

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm700i

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm710

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm710c

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7100

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7500

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7500fe

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm6

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm60

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm600

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm610

# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm620

EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o

# If EXTRA_MULTILIB_PARTS is not defined above then define EXTRA_PARTS here

# EXTRA_PARTS = crtbegin.o crtend.o crti.o crtn.o

LIBGCC = stmp-multilib

INSTALL_LIBGCC = install-multilib

# Currently there is a bug somewhere in GCC's alias analysis

# or scheduling code that is breaking _fpmul_parts in fp-bit.c.

# Disabling function inlining is a workaround for this problem.

TARGET_LIBGCC2_CFLAGS = -fno-inline

# Assemble startup files.

$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)

        $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \

        -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm

$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)

        $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \

        -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm