gcc/config/picochip/t-picochip

   1 # Copyright (C) 2008 Free Software Foundation, Inc.
   2 #
   3 # This file is part of GCC.
   4 #
   5 # GCC is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3, or (at your option)
   8 # any later version.
   9 #
  10 # GCC is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with GCC; see the file COPYING3.  If not see
  17 # <http://www.gnu.org/licenses/>.
  18
  19 # Compile the extra library functions.
  20
  21 LIB2FUNCS_EXTRA = \
  22         $(srcdir)/config/picochip/libgccExtras/ashrsi3.asm              \
  23         $(srcdir)/config/picochip/libgccExtras/ashlsi3.asm              \
  24         $(srcdir)/config/picochip/libgccExtras/divmodhi4.asm            \
  25         $(srcdir)/config/picochip/libgccExtras/udivmodhi4.asm           \
  26         $(srcdir)/config/picochip/libgccExtras/divmodsi4.asm            \
  27         $(srcdir)/config/picochip/libgccExtras/udivmodsi4.asm           \
  28         $(srcdir)/config/picochip/libgccExtras/divmod15.asm             \
  29         $(srcdir)/config/picochip/libgccExtras/ucmpsi2.asm              \
  30         $(srcdir)/config/picochip/libgccExtras/cmpsi2.asm               \
  31         $(srcdir)/config/picochip/libgccExtras/clzsi2.asm                       \
  32         $(srcdir)/config/picochip/libgccExtras/adddi3.asm                       \
  33         $(srcdir)/config/picochip/libgccExtras/subdi3.asm                       \
  34         $(srcdir)/config/picochip/libgccExtras/lshrsi3.asm              \
  35         $(srcdir)/config/picochip/libgccExtras/parityhi2.asm            \
  36         $(srcdir)/config/picochip/libgccExtras/popcounthi2.asm
  37
  38 # Prevent some of the more complicated libgcc functions from being
  39 # compiled. This is because they are generally too big to fit into an
  40 # AE anyway, so there is no point in having them. Also, some don't
  41 # compile properly so we'll ignore them for the moment.
  42
  43 LIB1ASMFUNCS = _mulsc3 _divsc3
  44 LIB1ASMSRC = picochip/libgccExtras/fake_libgcc.asm
  45
  46 # Turn off the building of exception handling libraries.
  47 LIB2ADDEH =
  48 LIB2ADDEHDEP =
  49
  50 # Turn off ranlib on target libraries.
  51 RANLIB_FOR_TARGET = cat
  52
  53 # Special libgcc setup. Make single/double floating point the same,
  54 # and use our own include files.
  55 TARGET_LIBGCC2_CFLAGS = -DDF=SF -I../../includes/
  56
  57 # Switch off all debugging for the embedded libraries.
  58 # (embedded processors need small libraries by default).
  59 # NOTE: If the debug level is increased, turn off instruction scheduling.
  60 LIBGCC2_DEBUG_CFLAGS = -g0
  61
  62 # Build all combinations of library for different multiply units, and
  63 # presence/absence of byte access.
  64 MULTILIB_OPTIONS = mmul-type=none/mmul-type=mac/mmul-type=mul mno-byte-access/mbyte-access
  65
  66 # Using a mul unit (currently) implies that byte access is available.
  67 MULTILIB_EXCEPTIONS = mmul-type=mul/mno-byte-access
  68
  69 # We want fine grained libraries, so use the new code
  70 # to build the floating point emulation libraries.
  71 FPBIT = fp-bit.c
  72
  73 # Software floating point support. Floating point is not properly
  74 # supported, but is existence can be useful for some types of testing.
  75 fp-bit.c:       $(srcdir)/config/fp-bit.c
  76         echo '#define FLOAT' > fp-bit.c
  77         echo '#define FLOAT_ONLY' >> fp-bit.c
  78         echo '#define SMALL_MACHINE' >> fp-bit.c
  79         cat $(srcdir)/config/fp-bit.c >> fp-bit.c
  80