libgcc/config/rs6000/t-float128-hw

   1 # Support for adding __float128 hardware support to the powerpc.
   2 # Tell the float128 functions that the ISA 3.0 hardware support can
   3 # be compiled it to be selected via IFUNC functions.
   4
   5 FLOAT128_HW_INSNS       = -DFLOAT128_HW_INSNS
   6
   7 # New functions for hardware support
   8 fp128_hardfp_src        = _mulkc3-hw.c _divkc3-hw.c
   9 fp128_hw_funcs          = float128-hw _mulkc3-hw _divkc3-hw _powikf2-hw
  10 fp128_hw_src            = $(srcdir)/config/rs6000/float128-hw.c _mulkc3-hw.c \
  11                           _divkc3-hw.c _powikf2-hw.c
  12 fp128_hw_static_obj     = $(addsuffix $(objext),$(fp128_hw_funcs))
  13 fp128_hw_shared_obj     = $(addsuffix _s$(objext),$(fp128_hw_funcs))
  14 fp128_hw_obj            = $(fp128_hw_static_obj) $(fp128_hw_shared_obj)
  15
  16 fp128_ifunc_funcs       = float128-ifunc
  17 fp128_ifunc_src         = $(srcdir)/config/rs6000/float128-ifunc.c
  18 fp128_ifunc_static_obj  = float128-ifunc$(objext)
  19 fp128_ifunc_shared_obj  = float128-ifunc_s$(objext)
  20 fp128_ifunc_obj         = $(fp128_ifunc_static_obj) $(fp128_ifunc_shared_obj)
  21
  22 # Add _sw suffix to names to allow ifunc support.
  23 fp128_sed_hw            = -hw
  24
  25 # Build the hardware support functions with appropriate hardware support
  26 FP128_CFLAGS_HW          = -Wno-type-limits -mvsx -mfloat128 \
  27                            -mcpu=power9 \
  28                            -mfloat128-hardware -mno-gnu-attribute \
  29                            -I$(srcdir)/soft-fp \
  30                            -I$(srcdir)/config/rs6000 \
  31                            $(FLOAT128_HW_INSNS)
  32
  33 $(fp128_hw_obj)          : INTERNAL_CFLAGS += $(FP128_CFLAGS_HW)
  34 $(fp128_hw_obj)          : $(srcdir)/config/rs6000/t-float128-hw
  35
  36 $(fp128_ifunc_obj)       : INTERNAL_CFLAGS += $(FP128_CFLAGS_SW)
  37 $(fp128_ifunc_obj)       : $(srcdir)/config/rs6000/t-float128-hw
  38
  39 _mulkc3-hw.c: $(srcdir)/config/rs6000/_mulkc3.c
  40         (echo "#define __mulkc3 __mulkc3_hw"; \
  41          cat $(srcdir)/config/rs6000/_mulkc3.c) > _mulkc3-hw.c
  42
  43 _divkc3-hw.c: $(srcdir)/config/rs6000/_divkc3.c
  44         (echo "#define __divkc3 __divkc3_hw"; \
  45          cat $(srcdir)/config/rs6000/_divkc3.c) > _divkc3-hw.c
  46
  47 _powikf2-hw.c: $(srcdir)/config/rs6000/_powikf2.c
  48         (echo "#define __powikf2 __powikf2_hw"; \
  49          cat $(srcdir)/config/rs6000/_powikf2.c) > _powikf2-hw.c