libgcc/config/msp430/t-msp430

   1 # Makefile fragment for building LIBGCC for the TI MSP430 processor.
   2 # Copyright (C) 2011-2023 Free Software Foundation, Inc.
   3 # Contributed by Red Hat.
   4 #
   5 # This file is part of GCC.
   6 #
   7 # GCC is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published
   9 # by the Free Software Foundation; either version 3, or (at your
  10 # option) any later version.
  11 #
  12 # GCC is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.   See
  15 # the GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the  GNU General Public
  18 # License along with GCC; see the file COPYING3.  If not see
  19 # <http://www.gnu.org/licenses/>.
  20
  21 # Note - we have separate versions of the lib2div<mode> files
  22 # as the functions are quite large and we do not want to pull
  23 # in unneeded division routines.
  24
  25 LIB2ADD = \
  26         $(srcdir)/config/msp430/lib2divQI.c \
  27         $(srcdir)/config/msp430/lib2divHI.c \
  28         $(srcdir)/config/msp430/lib2divSI.c \
  29         $(srcdir)/config/msp430/lib2bitcountHI.c \
  30         $(srcdir)/config/msp430/lib2mul.c \
  31         $(srcdir)/config/msp430/lib2shift.c \
  32         $(srcdir)/config/msp430/epilogue.S \
  33         $(srcdir)/config/msp430/slli.S \
  34         $(srcdir)/config/msp430/srai.S \
  35         $(srcdir)/config/msp430/srli.S \
  36         $(srcdir)/config/msp430/cmpsi2.S \
  37         $(srcdir)/config/msp430/floatunhisf.c \
  38         $(srcdir)/config/msp430/floatunhidf.c \
  39         $(srcdir)/config/msp430/floathidf.c \
  40         $(srcdir)/config/msp430/floathisf.c \
  41         $(srcdir)/config/msp430/cmpd.c
  42
  43 # 32-bit and F5series hardware multiply have their own version of this function.
  44 # To handle the case when there is no hardware multiply or only 16-bit hardware
  45 # multiply, the libgcc version has been copied to lib2mul.c.
  46 LIB2FUNCS_EXCLUDE += _muldi3
  47
  48 HOST_LIBGCC2_CFLAGS += -Os -ffunction-sections -fdata-sections -mhwmult=none
  49
  50 crtbegin_no_eh.o: $(srcdir)/crtstuff.c
  51         $(crt_compile) -U__LIBGCC_EH_FRAME_SECTION_NAME__ -c $< -DCRT_BEGIN
  52
  53 crtend_no_eh.o: $(srcdir)/crtstuff.c
  54         $(crt_compile) -U__LIBGCC_EH_FRAME_SECTION_NAME__ -c $< -DCRT_END
  55
  56 mpy.o: $(srcdir)/config/msp430/mpy.c
  57         $(gcc_compile) $< -c
  58
  59 lib2_mul_none.o: $(srcdir)/config/msp430/lib2mul.c
  60         $(gcc_compile) $< -c -DMUL_NONE
  61
  62 lib2_mul_16bit.o: $(srcdir)/config/msp430/lib2mul.c
  63         $(gcc_compile) $< -c -DMUL_16
  64
  65 lib2hw_mul_16.o: $(srcdir)/config/msp430/lib2hw_mul.S
  66         $(gcc_compile) $< -c -DMUL_16
  67
  68 lib2hw_mul_32.o: $(srcdir)/config/msp430/lib2hw_mul.S
  69         $(gcc_compile) $< -c -DMUL_32
  70
  71 lib2hw_mul_f5.o: $(srcdir)/config/msp430/lib2hw_mul.S
  72         $(gcc_compile) $< -c -DMUL_F5
  73
  74 libmul_none.a: lib2_mul_none.o mpy.o
  75         $(AR_CREATE_FOR_TARGET) $@ $(filter %.o,$^)
  76
  77 libmul_16.a: lib2hw_mul_16.o lib2_mul_16bit.o
  78         $(AR_CREATE_FOR_TARGET) $@ $(filter %.o,$^)
  79
  80 libmul_32.a: lib2hw_mul_32.o
  81         $(AR_CREATE_FOR_TARGET) $@ $(filter %.o,$^)
  82
  83 libmul_f5.a: lib2hw_mul_f5.o
  84         $(AR_CREATE_FOR_TARGET) $@ $(filter %.o,$^)
  85
  86 # Local Variables:
  87 # mode: Makefile
  88 # End: