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[Bug target/34210] ffs builtin calls undefined __ffshi2
- From: "rask at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Dec 2007 22:20:05 -0000
- Subject: [Bug target/34210] ffs builtin calls undefined __ffshi2
- References: <bug-34210-11470@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from rask at gcc dot gnu dot org 2007-12-21 22:20 -------
You want something like this in libgcc/config/avr/t-avr to get the 16-bit
versions:
# Extra 16-bit integer functions.
intfuncs16 = _absvXX2 _addvXX3 _subvXX3 _mulvXX3 _negvXX2 _ffsXX2 _clzXX2 \
_ctzXX2 _popcountXX2
hiintfuncs16 = $(subst XX,hi,$(intfuncs16))
siintfuncs16 = $(subst XX,si,$(intfuncs16))
iter-items := $(hiintfuncs16)
iter-labels := $(siintfuncs16)
iter-sizes := $(patsubst %,2,$(siintfuncs16)) $(patsubst %,2,$(hiintfuncs16))
include $(srcdir)/empty.mk $(patsubst
%,$(srcdir)/siditi-object.mk,$(iter-items))
libgcc-objects += $(patsubst %,%$(objext),$(hiintfuncs16))
ifeq ($(enable_shared),yes)
libgcc-s-objects += $(patsubst %,%_s$(objext),$(hiintfuncs16))
endif
--
rask at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|c |target
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34210