SHLIB_MAPFILES += $(srcdir)/config/rs6000/libgcc-glibc.ver HOST_LIBGCC2_CFLAGS += -mlong-double-128 # This is a way of selecting -mcmodel=small for ppc64, which gives # smaller and faster libgcc code. Directly specifying -mcmodel=small # would need to take into account targets for which -mcmodel is invalid. HOST_LIBGCC2_CFLAGS += -mno-minimal-toc # On the modules that deal with IBM 128-bit values, make sure that TFmode uses # the IBM extended double format. Also turn off gnu attributes on the static # modules. IBM128_STATIC_OBJS = ibm-ldouble$(objext) _powitf2$(objext) \ ppc64-fp$(objext) _divtc3$(objext) _multc3$(objext) \ _fixtfdi$(objext) _fixunstfdi$(objext) \ _floatditf$(objext) _floatunditf$(objext) \ _fixtfti$(objext) _fixunstfti$(objext) \ _floattitf$(objext) _floatuntitf$(objext) IBM128_SHARED_OBJS = $(IBM128_STATIC_OBJS:$(objext)=_s$(objext)) IBM128_OBJS = $(IBM128_STATIC_OBJS) $(IBM128_SHARED_OBJS) IBM128_CFLAGS = -Wno-psabi -mabi=ibmlongdouble -mno-gnu-attribute $(IBM128_OBJS) : INTERNAL_CFLAGS += $(IBM128_CFLAGS) # Turn off gnu attributes for long double size on all of the shared library # modules, but leave it on for the static modules, except for the functions # that explicitly process IBM 128-bit floating point. Shared libraries only # have one gnu attribute for the whole library, and it can lead to warnings if # somebody changes the long double format. We leave it on for the static # modules to catch mis-compilation errors. gcc_s_compile += -mno-gnu-attribute