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- 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
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