Move libgcc2 to toplevel libgcc

	toplevel:
	* Makefile.tpl (EXTRA_GCC_FLAGS): Remove LIBGCC2_CFLAGS,
	LIBGCC2_DEBUG_CFLAGS, LIBGCC2_INCLUDES.
	* Makefile.in: Regenerate.

	config:
	* mh-interix (LIBGCC2_DEBUG_CFLAGS): Remove.

	gcc:
	* Makefile.in (LIBGCC2_DEBUG_CFLAGS LIBGCC2_CFLAGS)
	(LIBGCC2_INCLUDES, TARGET_LIBGCC2_CFLAGS, LIB2FUNCS_EXTRA)
	(LIB2FUNCS_STATIC_EXTRA, LIB2FUNCS_EXCLUDE, T, T_TARGET)
	(INCLUDES_FOR_TARGET): Remove.
	(LIBGCC2_CFLAGS): Don't export.
	(LIB2FUNCS_ST, LIB2_DIVMOD_FUNCS, LIB2ADD, LIB2ADD_ST, srcdirify):
	Remove.
	(libgcc-support): Remove $(LIB2ADD), $(LIB2ADD_ST) dependencies.
	(libgcc.mvars): Likewise.
	Don't emit LIB2FUNCS_ST, LIB2FUNCS_EXCLUDE, LIB2ADD, LIB2ADD_ST,
	LIB2_SIDITI_CONV_FUNCS, LIB2_DIVMOD_FUNCS, LIBGCC2_CFLAGS,
	TARGET_LIBGCC2_CFLAGS.
	Emit GTHREAD_FLAGS.
	* libgcc2.c, libgcc2.h, gbl-ctors.h, longlong.h: Move to ../libgcc.
	* config/darwin-64.c: Move to ../libgcc/config.
	* config/divmod.c, config/floatunsidf.c, config/floatunsisf.c,
	config/floatunsitf.c, config/floatunsixf.c, config/udivmod.c,
	config/udivmodsi4.c: Move to ../libgcc/config.
	* config/gthr-posix.c: Move to ../libgcc/config/alpha.
	* config/memcmp.c, config/memcpy.c, config/memmove.c,
	config/memset.c: Move to ../libgcc/config.
	* config/t-darwin (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/t-freebsd: Remove.
	* config/t-freebsd-thread: Move to ../libgcc/config.
	* config/t-libgcc-pic: Move to ../libgcc/config.
	* config/t-libunwind (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/t-linux: Remove.
	* config/t-lynx (TARGET_LIBGCC2_CFLAGS, LIBGCC, INSTALL_LIBGCC):
	Remove
	* config/t-openbsd-thread: Move to ../libgcc/config.
	* config/t-rtems (LIBGCC2_INCLUDES): Remove.
	* config/t-sol2 (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/t-svr4: Remove.
	* config/t-vxworks (LIBGCC, INSTALL_LIBGCC, TARGET_LIBGCC2_CFLAGS)
	(LIBGCC2_DEBUG_CFLAGS, LIB2FUNCS_EXTRA, LIBGCC2_INCLUDES): Remove.
	* config/vxlib.c, config/vxlib-tls.c: Move to ../libgcc/config.
	* config/alpha/qrnnd.asm: Move to ../libgcc/config/alpha/qrnnd.S.
	* config/alpha/t-alpha, config/alpha/t-ieee: Remove.
	* config/alpha/t-vms (LIB2FUNCS_EXTRA, LIBGCC, INSTALL_LIBGCC):
	Remove.
	* config/alpha/vms-gcc_shell_handler.c: Move to ../libgcc/config/alpha.
	* config/arm/bpabi.c, config/arm/unaligned-funcs.c,
	config/arm/fp16.c, config/arm/linux-atomic.c,
	config/arm/linux-atomic-64bit.c: Move to ../libgcc/config/arm.
	* config/arm/t-arm-elf (LIBGCC, INSTALL_LIBGCC)
	(TARGET_LIBGCC2_CFLAGS): Remove.
	* config/arm/t-bpabi, config/arm/t-linux: Remove.
	* config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS)
	(LIB2FUNCS_STATIC_EXTRA): Remove.
	* config/arm/t-netbsd: Remove.
	* config/arm/t-strongarm-elf (LIBGCC, INSTALL_LIBGCC)
	(TARGET_LIBGCC2_CFLAGS): Remove.
	* config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA): Remove.
	* config/arm/t-wince-pe (LIBGCC, INSTALL_LIBGCC)
	(TARGET_LIBGCC2_CFLAGS): Remove.
	* config/avr/t-avr (LIB2FUNCS_EXCLUDE, TARGET_LIBGCC2_CFLAGS)
	(LIBGCC, INSTALL_LIBGCC): Remove.
	* config/bfin/t-bfin-elf (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/bfin/t-bfin-linux: Likewise.
	* config/bfin/t-bfin-uclinux: Likewise.
	* config/c6x/eqd.c, config/c6x/eqf.c, config/c6x/ged.c,
	config/c6x/gef.c, config/c6x/gtd.c, config/c6x/gtf.c,
	config/c6x/led.c, config/c6x/lef.c, config/c6x/ltd.c,
	config/c6x/ltf.c: Move to ../libgcc/config/c6x.
	* config/c6x/t-c6x-elf (LIB2FUNCS_EXCLUDE, LIB2FUNCS_EXTRA):
	Remove.
	* config/c6x/t-c6x-uclinux (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/cris/arit.c: Move to ../libgcc/config/cris.
	* config/cris/cris_abi_symbol.c: Remove.
	* config/cris/cris.h: Remove obsolete comment.
	* config/cris/mulsi3.asm: Move to ../libgcc/config/cris/mulsi3.S.
	* config/cris/t-cris (LIB2FUNCS_EXTRA, CRIS_LIB1CSRC)
	($(LIB2FUNCS_EXTRA)): Remove.
	* config/cris/t-elfmulti (LIB2FUNCS_STATIC_EXTRA, INSTALL_LIBGCC)
	(LIBGCC): Remove.
	* config/cris/t-linux (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/fr30/t-fr30: Remove.
	* config/frv/cmovd.c, config/frv/cmovh.c, config/frv/cmovw.c,
	config/frv/modi.c, config/frv/uitod.c, config/frv/uitof.c,
	config/frv/ulltod.c, config/frv/ulltof.c, config/frv/umodi.c: Move
	to ../libgcc/config/frv.
	* config/frv/t-frv (LIB2FUNCS_EXTRA, TARGET_LIBGCC2_CFLAGS)
	(cmovh.c, cmovw.c, cmovd.c, modi.c, umodi.c, uitof.c, uitod.c)
	(ulltof.c, LIBGCC, INSTALL_LIBGCC): Remove.
	* config/frv/t-linux (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/h8300/clzhi2.c, config/h8300/ctzhi2.c,
	config/h8300/fixunssfsi.c, config/h8300/parityhi2.c,
	config/h8300/popcounthi2.c: Move to ../libgcc/config/h8300.
	* config/h8300/t-h8300 (LIB2FUNCS_EXTRA, TARGET_LIBGCC2_CFLAGS)
	(LIBGCC, INSTALL_LIBGCC): Remove.
	* config/i386/gthr-win32.c: Move to ../libgcc/config/i386.
	* config/i386/t-cygming (LIBGCC2_INCLUDES): Remove.
	* config/i386/t-cygwin: Remove.
	* config/i386/t-darwin (LIB2_SIDITI_CONV_FUNCS, LIB2FUNCS_EXTRA)
	(LIB2FUNCS_EXCLUDE): Remove.
	* config/i386/t-darwin64 (LIB2_SIDITI_CONV_FUNCS, LIB2FUNCS_EXTRA)
	(LIBGCC, INSTALL_LIBGCC): Remove.
	* config/i386/t-gthr-win32: Move to ../libgcc/config/i386.
	* config/i386/t-linux64 (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/i386/t-mingw-w32: Likewise.
	* config/i386/t-mingw-w64: Likewise.
	* config/i386/t-openbsd: Likewise.
	* config/i386/t-nto: Remove.
	* config/ia64/quadlib.c: Move to ../libgcc/config/ia64.
	* config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, LIB2FUNCS_EXTRA)
	(quadlib.c): Remove.
	* config/ia64/t-ia64: Remove comment.
	* config/iq2000/lib2extra-funcs.c: Move to
	../libgcc/config/iq2000/lib2funcs.c.
	* config/iq2000/t-iq2000: Remove.
	* config/m32c/m32c-lib2.c: Move to ../libgcc/config/m32c/lib2funcs.c.
	* config/m32c/m32c-lib2-trapv.c: Move to ../libgcc/config/m32c/trapv.c.
	* config/m32r/t-linux (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/m32c/t-m32c (LIB2FUNCS_EXTRA): Remove.
	* config/m32r/t-m32r (TARGET_LIBGCC2_CFLAGS, LIBGCC)
	(INSTALL_LIBGCC): Remove.
	* config/m68k/fpgnulib.c: Move to ../libgcc/config/m68k.
	* config/m68k/t-floatlib: Remove.
	* config/m68k/t-mlibs (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/mcore/t-mcore (TARGET_LIBGCC2_CFLAGS): Remove.
	Fix typo.
	(LIBGCC, INSTALL_LIBGCC): Remove.
	* config/mep/mep-lib2.c: Move to ../libgcc/config/mep/lib2funcs.c.
	* config/mep/mep-tramp.c: Move to ../libgcc/config/mep/tramp.c.
	* config/mep/t-mep (LIB2FUNCS_EXTRA): Remove.
	* config/mips/t-elf (TARGET_LIBGCC2_CFLAGS, LIBGCC)
	(INSTALL_LIBGCC): Remove.
	* config/mips/t-isa3264: Likewise.
	* config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Remove.
	* config/mips/t-r3900 (TARGET_LIBGCC2_CFLAGS, LIBGCC)
	(INSTALL_LIBGCC): Remove.
	* config/mips/t-sde (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/mips/t-sr71k (TARGET_LIBGCC2_CFLAGS, LIBGCC)
	(INSTALL_LIBGCC): Remove.
	* config/mips/t-vr (TARGET_LIBGCC2_CFLAGS)
	(LIB2FUNCS_STATIC_EXTRA): Remove.
	* config/mips/vr4120-div.S: Move to ../libgcc/config/mips.
	* config/mmix/t-mmix (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/mn10300/t-mn10300 (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/pa/fptr.c, config/pa/linux-atomic.c: Move to
	../libgcc/config/pa.
	* config/pa/lib2funcs.asm: Move to ../libgcc/config/pa/lib2funcs.S.
	* config/pa/quadlib.c: Move to ../libgcc/config/pa.
	* config/pa/t-dce-thr (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/pa/t-linux, config/pa/t-linux64: Remove.
	* config/pa/t-pa-hpux, config/pa/t-pa-hpux10,
	config/pa/t-pa-hpux11, config/pa/t-pa64: Remove.
	* config/pdp11/t-pdp11 (TARGET_LIBGCC2_CFLAGS, LIB2FUNCS_EXTRA):
	Remove.
	* config/picochip/libgccExtras: Move to ../libgcc/config/picochip.
	* config/picochip/t-picochip (LIB2FUNCS_EXTRA, RANLIB_FOR_TARGET)
	(TARGET_LIBGCC2_CFLAGS, LIBGCC2_DEBUG_CFLAGS): Remove.
	* config/rs6000/crtresfpr.asm: Move to
	../libgcc/config/rs6000/crtresfpr.S.
	* config/rs6000/crtresgpr.asm: Move to
	../libgcc/config/rs6000/crtresgpr.S.
	* config/rs6000/crtresxfpr.asm: Move to
	../libgcc/config/rs6000/crtresxfpr.S.
	* config/rs6000/crtresxgpr.asm: Move to
	../libgcc/config/rs6000/crtresxgpr.S.
	* config/rs6000/crtsavfpr.asm: Move to
	../libgcc/config/rs6000/crtsavfpr.S.
	* config/rs6000/crtsavgpr.asm: Move to
	../libgcc/config/rs6000/crtsavgpr.S.
	* config/rs6000/darwin-asm.h: Move to ../libgcc/config/rs6000.
	* config/rs6000/darwin-fpsave.asm: Move to
	../libgcc/config/rs6000/darwin-fpsave.S.
	* config/rs6000/darwin-gpsave.asm: Move to
	../libgcc/config/rs6000/darwin-gpsave.S.
	* config/rs6000/darwin-tramp.asm: Move to
	../libgcc/config/rs6000/darwin-tramp.S.
	* config/rs6000/darwin-vecsave.asm: Move to
	../libgcc/config/rs6000/darwin-vecsave.S.
	* config/rs6000/darwin-world.asm: Move to
	../libgcc/config/rs6000/darwin-world.S.
	* config/rs6000/e500crtres32gpr.asm: Move to
	../libgcc/config/rs6000/e500crtres32gpr.S.
	* config/rs6000/e500crtres64gpr.asm: Move to
	../libgcc/config/rs6000/e500crtres64gpr.S.
	* config/rs6000/e500crtres64gprctr.asm: Move to
	../libgcc/config/rs6000/e500crtres64gprctr.S.
	* config/rs6000/e500crtrest32gpr.asm: Move to
	../libgcc/config/rs6000/e500crtrest32gpr.S.
	* config/rs6000/e500crtrest64gpr.asm: Move to
	../libgcc/config/rs6000/e500crtrest64gpr.S.
	* config/rs6000/e500crtresx32gpr.asm: Move to
	../libgcc/config/rs6000/e500crtresx32gpr.S.
	* config/rs6000/e500crtresx64gpr.asm: Move to
	../libgcc/config/rs6000/e500crtresx64gpr.S.
	* config/rs6000/e500crtsav32gpr.asm: Move to
	../libgcc/config/rs6000/e500crtsav32gpr.S.
	* config/rs6000/e500crtsav64gpr.asm: Move to
	../libgcc/config/rs6000/e500crtsav64gpr.S.
	* config/rs6000/e500crtsav64gprctr.asm: Move to
	../libgcc/config/rs6000/e500crtsav64gprctr.S.
	* config/rs6000/e500crtsavg32gpr.asm: Move to
	../libgcc/config/rs6000/e500crtsavg32gpr.S.
	* config/rs6000/e500crtsavg64gpr.asm: Move to
	../libgcc/config/rs6000/e500crtsavg64gpr.S.
	* config/rs6000/e500crtsavg64gprctr.asm: Move to
	../libgcc/config/rs6000/e500crtsavg64gprctr.S.
	* config/rs6000/eabi.asm: Move to ../libgcc/config/rs6000/eabi.S.
	* config/rs6000/t-aix43 (LIBGCC, INSTALL_LIBGCC, LIB2FUNCS_EXTRA)
	(TARGET_LIBGCC2_CFLAGS): Remove.
	* config/rs6000/t-aix52: Likewise.
	* config/rs6000/t-darwin: Remove.
	* config/rs6000/t-darwin64 (LIB2_SIDITI_CONV_FUNCS)
	(LIB2FUNCS_EXTRA): Remove.
	* config/rs6000/t-fprules (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Remove.
	* config/rs6000/t-lynx (LIB2FUNCS_EXTRA, tramp.S, LIBGCC)
	(INSTALL_LIBGCC): Remove.
	* config/rs6000/t-netbsd (LIB2FUNCS_EXTRA)
	(LIB2FUNCS_STATIC_EXTRA, tramp.S, crtsavfpr.S, crtresfpr.S)
	(crtsavgpr.S, crtresgpr.S, crtresxfpr.S, crtresxgpr.S, LIBGCC)
	(INSTALL_LIBGCC, $(T)crtsavfpr$(objext), $(T)crtresfpr$(objext))
	(($(T)crtsavgpr$(objext), $(T)crtresgpr$(objext),
	$(T)crtresxfpr$(objext), $(T)crtresxgpr$(objext)): Remove.
	* config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA)
	(LIB2FUNCS_STATIC_EXTRA, eabi.S, tramp.S): Remove.
	* config/rs6000/t-spe (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/rs6000/t-vxworks: Remove comment.
	* config/rs6000/tramp.asm: Move to ../libgcc/config/rs6000/tramp.S.
	* config/rx/t-rx (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/sh/linux-atomic.asm: Move to
	../libgcc/config/sh/linux-atomic.S.
	* config/sh/t-linux (LIB2FUNCS_EXTRA): Remove.
	* config/sh/t-netbsd: Remove.
	* config/sh/t-sh (TARGET_LIBGCC2_CFLAGS, LIBGCC, INSTALL_LIBGCC):
	Remove.
	* config/sparc/t-elf (LIBGCC, INSTALL_LIBGCC): Remove.
	* config/sparc/t-leon: Likewise.
	* config/sparc/t-leon3: Likewise.
	* config/sparc/t-linux64: Likewise.
	* config/sparc/t-netbsd64: Fix typo.
	Remove comment.
	* config/spu/divmodti4.c, config/spu/divv2df3.c,
	config/spu/float_disf.c, config/spu/float_unsdidf.c,
	config/spu/float_unsdisf.c, config/spu/float_unssidf.c,
	config/spu/mfc_multi_tag_release.c,
	config/spu/mfc_multi_tag_reserve.c, config/spu/mfc_tag_release.c,
	config/spu/mfc_tag_reserve.c, config/spu/mfc_tag_table.c,
	config/spu/multi3.c: Move to ../libgcc/config/spu.
	* config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS, LIB2FUNCS_EXCLUDE)
	(LIB2FUNCS_STATIC_EXTRA, LIB2_SIDITI_CONV_FUNCS, LIBGCC)
	(INSTALL_LIBGCC): Remove.
	* config/stormy16/stormy16-lib2.c: Move to
	../libgcc/config/stormy16/lib2.c.
	* config/stormy16/stormy16-lib2-ashlsi3.c: Move to
	../libgcc/config/stormy16/ashlsi3.c.
	* config/stormy16/stormy16-lib2-ashrsi3.c: Move to
	../libgcc/config/stormy16/ashrsi3.c.
	* config/stormy16/stormy16-lib2-clzhi2.c: Move to
	../libgcc/config/stormy16/clzhi2.c.
	* config/stormy16/stormy16-lib2-cmpsi2.c: Move to
	../libgcc/config/stormy16/cmpsi2.c.
	* config/stormy16/stormy16-lib2-ctzhi2.c: Move to
	../libgcc/config/stormy16/ctzhi2.c.
	* config/stormy16/stormy16-lib2-divsi3.c: Move to
	../libgcc/config/stormy16/divsi3.c.
	* config/stormy16/stormy16-lib2-ffshi2.c: Move to
	../libgcc/config/stormy16/ffshi2.c.
	* config/stormy16/stormy16-lib2-lshrsi3.c: Move to
	../libgcc/config/stormy16/lshrsi3.c.
	* config/stormy16/stormy16-lib2-modsi3.c: Move to
	../libgcc/config/stormy16/modsi3.c.
	* config/stormy16/stormy16-lib2-parityhi2.c: Move to
	../libgcc/config/stormy16/parityhi2.c.
	* config/stormy16/stormy16-lib2-popcounthi2.c: Move to
	../libgcc/config/stormy16/popcounthi2.c.
	* config/stormy16/stormy16-lib2-ucmpsi2.c: Move to
	../libgcc/config/stormy16/ucmpsi2.c.
	* config/stormy16/stormy16-lib2-udivmodsi4.c: Move to
	../libgcc/config/stormy16/udivmodsi4.c.
	* config/stormy16/stormy16-lib2-udivsi3.c: Move to
	../libgcc/config/stormy16/udivsi3.c.
	* config/stormy16/stormy16-lib2-umodsi3.c: Move to
	../libgcc/config/stormy16/umodsi3.c.
	* config/stormy16/t-stormy16: Move to ../libgcc/config/t-stormy16.
	* config/v850/t-v850 (INSTALL_LIBGCC): Remove.
	* config/xtensa/lib2funcs.S: Move to ../libgcc/config/xtensa.
	* config/xtensa/t-elf: Remove.
	* config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove.
	* config.gcc (*-*-freebsd*): Remove t-freebsd, t-freebsd-thread
	from tmake_file.
	(*-*-linux*, frv-*-*linux*, *-*-kfreebsd*-gnu, *-*-knetbsd*-gnu,
	*-*-gnu*, *-*-kopensolaris*-gnu): Remove t-linux from tmake_file.
	(*-*-netbsd*): Remove t-libgcc-pic from tmake_file.
	(*-*-openbsd*): Likewise.
	Remove t-openbsd-thread for posix threads.
	(alpha*-*-linux*): Remove alpha/t-alpha, alpha/t-ieee
	from tmake_file.
	(alpha*-*-freebsd*): Likewise.
	(alpha*-*-netbsd*): Likewise.
	(alpha*-*-openbsd*): Likewise.
	(alpha64-dec-*vms*): Likewise.
	(alpha*-dec-*vms*): Likewise.
	(arm*-*-netbsdelf*): Remove arm/t-netbsd from tmake_file.
	(arm*-*-linux*): Remove t-linux from tmake_file.
	Remove arm/t-bpabi from tmake_file for arm*-*-linux-*eabi.
	(arm*-*-uclinux*): Remove arm/t-bpabi from tmake_file for
	arm*-*-uclinux*eabi.
	(arm*-*-eabi*, arm*-*-symbianelf* ): Remove arm/t-bpabi from
	tmake_file for arm*-*-eabi*.
	(fr30-*-elf): Remove tmake_file.
	(hppa*64*-*-linux*): Remove tmake_file.
	(hppa*-*-linux*): Likewise.
	(hppa[12]*-*-hpux10*): Remove pa/t-pa-hpux10, pa/t-pa-hpux from
	tmake_file.
	(hppa*64*-*-hpux11*): Remove pa/t-pa64, pa/t-pa-hpux from tmake_file.
	(hppa[12]*-*-hpux11*): Remove pa/t-pa-hpux11, pa/t-pa-hpux from
	tmake_file.
	(i[34567]86-*-elf*): Remove tmake_file.
	(x86_64-*-elf*): Likewise.
	(i[34567]86-*-nto-qnx*): Likewise.
	(i[34567]86-*-cygwin*): Remove i386/t-cygwin from tmake_file.
	(i[34567]86-*-mingw*, x86_64-*-mingw*): Remove i386/t-gthr-win32
	from tmake_file if using win32 threads.
	(iq2000*-*-elf*): Remove tmake-file.
	(microblaze*-linux*): Likewise.
	(sh-*-elf*, sh[12346l]*-*-elf*, sh-*-linux*)
	(sh[2346lbe]*-*-linux*, sh-*-netbsdelf*, shl*-*-netbsdelf*)
	(sh5-*-netbsd*, sh5l*-*-netbsd*, sh64-*-netbsd*)
	(sh64l*-*-netbsd*): Remove sh/t-netbsd from tmake_file for
	sh5*-*-netbsd*, sh64*-netbsd*, *-*-netbsd.
	(xtensa*-*-elf*): Remove tmake_file.

	gcc/po:
	* EXCLUDES (config/vxlib.c, gbl-ctors.h, libgcc2.c, libgcc2.h)
	(longlong.h): Remove.

	libgcc:
	* configure.ac: Include ../config/picflag.m4.
	(GCC_PICFLAG): Call it.
	Substitute.
	* configure: Regenerate.
	* Makefile.in (gcc_srcdir): Remove.
	(LIBGCC2_DEBUG_CFLAGS, LIBGCC2_CFLAGS, LIBGCC2_INCLUDES)
	(HOST_LIBGCC2_CFLAGS, PICFLAG, LIB2FUNCS_ST, LIB2FUNCS_EXCLUDE)
	(LIB2_DIVMOD_FUNCS, LIB2ADD, LIB2ADD_ST): Set.
	($(lib2funcs-o), $(lib2funcs-s-o), $(lib2-divmod-o))
	($(lib2-divmod-s-o)): Use $(srcdir) to refer to libgcc2.c.
	Use $<.
	Remove comment.
	* libgcc2.c, libgcc2.h, gbl-ctors.h, longlong.h: New files.
	* siditi-object.mk ($o$(objext), $(o)_s$(objext)): Use $(srcdir)
	to refer to libgcc2.c.
	Use $<.
	* config/darwin-64.c: New file.
	* config/darwin-crt3.c: Remove comment.
	* config/divmod.c, config/floatunsidf.c, config/floatunsisf.c,
	config/floatunsitf.c, config/floatunsixf.c, config/udivmod.c,
	config/udivmodsi4.c: New files.
	* config/memcmp.c, config/memcpy.c, config/memmove.c,
	config/memset.c: New files.
	* config/t-crtstuff-pic (CRTSTUFF_T_CFLAGS_S): Use $(PICFLAG).
	* config/t-darwin (HOST_LIBGCC2_CFLAGS): Set.
	* config/t-freebsd-thread, config/t-libgcc-pic: New files.
	* config/t-libunwind (HOST_LIBGCC2_CFLAGS): Set.
	* config/t-openbsd-thread: New file.
	* config/t-sol2 (HOST_LIBGCC2_CFLAGS): Remove.
	* config/t-vxworks, config/vxlib-tls.c, config/vxlib.c: New files.
	* config/alpha/gthr-posix.c, config/alpha/qrnnd.S: New files.
	* config/alpha/t-alpha (LIB2ADD): Use $(srcdir) to refer to
	qrnnd.S.
	Adapt filename.
	* config/alpha/t-osf-pthread (LIB2ADD): Use $(srcdir)/config/alpha
	to refer to gthr-posix.c.
	* config/alpha/t-vms (LIB2ADD): Set.
	* config/alpha/vms-gcc_shell_handler.c: New file.
	* config/arm/bpabi.c, config/arm/fp16.c,
	config/arm/linux-atomic.c, config/arm/linux-atomic-64bit.c,
	config/arm/unaligned-funcs.c: New files.
	* config/arm/t-bpabi (LIB2ADD, LIB2ADD_ST): Set.
	* config/arm/t-elf (HOST_LIBGCC2_CFLAGS): Set.
	* config/arm/t-linux: Likewise.
	* config/arm/t-linux-eabi (LIB2ADD_ST): Add.
	* config/arm/t-netbsd: New file.
	* config/arm/t-strongarm-elf (HOST_LIBGCC2_CFLAGS): Set.
	* config/arm/t-symbian (LIB2ADD_ST): Set.
	* config/avr/t-avr (LIB2FUNCS_EXCLUDE, HOST_LIBGCC2_CFLAGS): Set.
	* config/bfin/t-crtstuff (CRTSTUFF_T_CFLAGS): Use $(PICFLAG).
	* config/bfin/t-elf: New file.
	* config/c6x/eqd.c, config/c6x/eqf.c, config/c6x/ged.c,
	config/c6x/gef.c, config/c6x/gtd.c, config/c6x/gtf.c,
	config/c6x/led.c, config/c6x/lef.c, config/c6x/ltd.c,
	config/c6x/ltf.c: New files.
	* config/c6x/t-elf (LIB2FUNCS_EXCLUDE, LIB2ADD)
	(HOST_LIBGCC2_CFLAGS): Set.
	* config/c6x/t-uclinux (HOST_LIBGCC2_CFLAGS): Set.
	(CRTSTUFF_T_CFLAGS): Use $(PICFLAG).
	* config/cris/arit.c, config/cris/mulsi3.S, config/cris/t-cris:
	New files.
	* config/cris/t-elfmulti (LIB2ADD_ST): Set.
	* config/cris/t-linux (HOST_LIBGCC2_CFLAGS): Remove.
	* config/frv/cmovd.c, config/frv/cmovh.c, config/frv/cmovw.c,
	config/frv/modi.c, config/frv/uitod.c, config/frv/uitof.c,
	config/frv/ulltod.c, config/frv/ulltof.c, config/frv/umodi.c: New
	files.
	* config/frv/t-frv (LIB2ADD): Set.
	* config/frv/t-linux (CRTSTUFF_T_CFLAGS): Use $(PICFLAG).
	* config/h8300/clzhi2.c, config/h8300/ctzhi2.c,
	config/h8300/fixunssfsi.c, config/h8300/parityhi2.c,
	config/h8300/popcounthi2.c: New files.
	* config/h8300/t-h8300 (LIB2ADD, HOST_LIBGCC2_CFLAGS): Set.
	* config/i386/gthr-win32.c: New file.
	* config/i386/t-cygming (LIBGCC2_INCLUDES): Set.
	* config/i386/t-cygwin: Likewise.
	* config/i386/t-darwin, config/i386/t-darwin64,
	config/i386/t-gthr-win32, config/i386/t-interix: New files.
	* config/i386/t-nto (HOST_LIBGCC2_CFLAGS): Set.
	(CRTSTUFF_T_CFLAGS): Use $(PICFLAG).
	* config/i386/t-sol2 (CRTSTUFF_T_CFLAGS): Use $(PICFLAG).
	* config/ia64/quadlib.c: New file.
	* config/ia64/t-hpux (LIB2ADD): Set.
	* config/ia64/t-ia64: Add comment.
	* config/iq2000/lib2funcs.c, config/iq2000/t-iq2000: New files.
	* config/lm32/t-uclinux (CRTSTUFF_T_CFLAGS): Use $(PICFLAG).
	(HOST_LIBGCC2_CFLAGS): Append, remove -fPIC.
	* config/m32c/lib2funcs.c, config/m32c/trapv.c: New files.
	* config/m32c/t-m32c (LIB2ADD): Set.
	* config/m32r/t-linux (HOST_LIBGCC2_CFLAGS): Set.
	* config/m32r/t-m32r: Likewise.
	* config/m68k/fpgnulib.c: New file.
	* config/m68k/t-floatlib (LIB2ADD): Set.
	(xfgnulib.c): New target.
	* config/mcore/t-mcore (HOST_LIBGCC2_CFLAGS): Set.
	* config/mep/lib2funcs.c, config/mep/tramp.c: New files.
	* config/mep/t-mep (LIB2ADD): Set.
	* config/microblaze/divsi3.asm: Rename to divsi3.S.
	* config/microblaze/moddi3.asm: Rename to moddi3.S.
	* config/microblaze/modsi3.asm: Rename to modsi3.S.
	* config/microblaze/muldi3_hard.asm: Rename to hard.S.
	* config/microblaze/mulsi3.asm: Rename to mulsi3.S.
	* config/microblaze/stack_overflow_exit.asm: Rename to exit.S.
	* config/microblaze/udivsi3.asm: Rename to udivsi3.S.
	* config/microblaze/umodsi3.asm: Rename to umodsi3.S.
	* config/microblaze/t-microblaze (LIB2ADD): Reflect this.
	* config/mips/t-elf, config/mips/t-vr, config/mips/vr4120-div.S:
	New files.
	* config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Set.
	* config/mmix/t-mmix (HOST_LIBGCC2_CFLAGS): Set.
	* config/pa/fptr.c, config/pa/lib2funcs.S,
	config/pa/linux-atomic.c, config/pa/quadlib.c: New files.
	* config/pa/t-linux (HOST_LIBGCC2_CFLAGS): Set.
	(LIB2ADD, LIB2ADD_ST): Set.
	* config/pa/t-hpux, config/pa/t-hpux10, config/pa/t-pa64: New files.
	* config/pa/t-linux (HOST_LIBGCC2_CFLAGS, LIB2ADD, LIB2ADD_ST):
	Set.
	* config/pa/t-linux64 (LIB2ADD_ST, HOST_LIBGCC2_CFLAGS): Set.
	* config/pdp11/t-pdp11: New file.
	* config/picochip/libgccExtras/adddi3.S,
	config/picochip/libgccExtras/ashlsi3.S,
	config/picochip/libgccExtras/ashrsi3.S,
	config/picochip/libgccExtras/clzsi2.S,
	config/picochip/libgccExtras/cmpsi2.S,
	config/picochip/libgccExtras/divmod15.S,
	config/picochip/libgccExtras/divmodhi4.S,
	config/picochip/libgccExtras/divmodsi4.S,
	config/picochip/libgccExtras/lshrsi3.S,
	config/picochip/libgccExtras/parityhi2.S,
	config/picochip/libgccExtras/popcounthi2.S,
	config/picochip/libgccExtras/subdi3.S,
	config/picochip/libgccExtras/ucmpsi2.S,
	config/picochip/libgccExtras/udivmodhi4.S,
	config/picochip/libgccExtras/udivmodsi4.S: New files.
	* config/picochip/t-picochip (LIB2ADD, HOST_LIBGCC2_CFLAGS)
	(LIBGCC2_DEBUG_CFLAGS, RANLIB_FOR_TARGET): Set.
	* config/rs6000/crtresfpr.S, config/rs6000/crtresgpr.S,
	config/rs6000/crtresxfpr.S, config/rs6000/crtresxgpr.S,
	config/rs6000/crtsavfpr.S, config/rs6000/crtsavgpr.S)
	config/rs6000/darwin-asm.h, config/rs6000/darwin-fpsave.S,
	config/rs6000/darwin-gpsave.S, 	config/rs6000/darwin-tramp.S,
	config/rs6000/darwin-vecsave.S, config/rs6000/darwin-world.S: New
	files.
	* config/rs6000/t-darwin (LIB2ADD, LIB2ADD_ST)
	(HOST_LIBGCC2_CFLAGS): Set.
	* config/rs6000/t-darwin64: New file.
	* config/rs6000/t-linux64 (HOST_LIBGCC2_CFLAGS): Set.
	* config/rs6000/t-lynx, config/rs6000/t-netbsd: New files.
	* config/rs6000/t-ppccomm (LIB2ADD): Add
	$(srcdir)/config/rs6000/tramp.S.
	(LIB2ADD_ST): Use $(srcdir)/config/rs6000 to refer to sources.
	Add  $(srcdir)/config/rs6000/eabi.S.
	(crtsavfpr.S, crtresfpr.S, crtsavgpr.S, crtresgpr.S, crtresxfpr.S)
	(crtresxgpr.S, e500crtres32gpr.S, e500crtres64gpr.S)
	(e500crtres64gprctr.S, e500crtrest32gpr.S, e500crtrest64gpr.S)
	(e500crtresx32gpr.S, e500crtresx64gpr.S, e500crtsav32gpr.S)
	(e500crtsav64gpr.S, e500crtsav64gprctr.S, e500crtsavg32gpr.S)
	(e500crtsavg64gpr.S, e500crtsavg64gprctr.S): Remove.
	* config/rs6000/tramp.S: New file.
	* config/s390/t-tpf: Remove.
	* config/sh/linux-atomic.S: New file.
	* config/sh/t-linux (LIB2ADD): Set.
	(HOST_LIBGCC2_CFLAGS): Append, remove -fpic.
	* config/sh/t-netbsd (LIB2ADD, HOST_LIBGCC2_CFLAGS): Set.
	* config/sh/t-sh (unwind-dw2-Os-4-200.o): Use $(srcdir) to refer
	to unwind-dw2.c.
	(HOST_LIBGCC2_CFLAGS): Set.
	* config/sparc/t-sol2 (CRTSTUFF_T_CFLAGS): Use $(PICFLAG).
	* config/spu/divmodti4.c, config/spu/divv2df3.c,
	config/spu/float_disf.c, config/spu/float_unsdidf.c,
	config/spu/float_unsdisf.c, config/spu/float_unssidf.c,
	config/spu/mfc_multi_tag_release.c,
	config/spu/mfc_multi_tag_reserve.c, config/spu/mfc_tag_release.c,
	config/spu/mfc_tag_reserve.c, config/spu/mfc_tag_table.c,
	config/spu/multi3.c: New files.
	* config/spu/t-elf (LIB2ADD, LIB2ADD_ST, LIB2_SIDITI_CONV_FUNCS)
	(HOST_LIBGCC2_CFLAGS): Set.
	* config/stormy16/ashlsi3.c, config/stormy16/ashrsi3.c,
	config/stormy16/clzhi2.c, config/stormy16/cmpsi2.c,
	config/stormy16/ctzhi2.c, config/stormy16/divsi3.c,
	config/stormy16/ffshi2.c, config/stormy16/lib2.c,
	config/stormy16/lshrsi3.c, config/stormy16/modsi3.c,
	config/stormy16/parityhi2.c, config/stormy16/popcounthi2.c,
	config/stormy16/t-stormy16, config/stormy16/ucmpsi2.c,
	config/stormy16/udivmodsi4.c, config/stormy16/udivsi3.c,
	config/stormy16/umodsi3.c: New files.
	* config/xtensa/lib2funcs.S: New file.
	* config/xtensa/t-elf (HOST_LIBGCC2_CFLAGS): Set.
	* config/xtensa/t-xtensa (LIB2ADD): Set.
	* config.host (*-*-darwin*): Add t-libgcc-pic to tmake_file.
	(*-*-freebsd*): Add t-freebsd, t-libgcc-pic to tmake_file.
	Add t-freebsd-thread to tmake_file for posix threads.
	(*-*-linux*, frv-*-*linux*, *-*-kfreebsd*-gnu, *-*-knetbsd*-gnu)
	(*-*-gnu*, *-*-kopensolaris*-gnu): Add t-libgcc-pic to tmake_file.
	(*-*-lynxos*): Likewise.
	(*-*-netbsd*): Likewise.
	(*-*-openbsd*): Likewise.
	Add t-openbsd-thread to tmake_file for posix threads.
	(*-*-solaris2*): Add t-libgcc-pic to tmake_file.
	(*-*-vxworks*): Set tmake_file.
	(alpha*-*-linux*): Add alpha/t-alpha, alpha/t-ieee to tmake_file.
	(alpha*-*-freebsd*): Likewise.
	(alpha*-*-netbsd*): Likewise.
	(alpha*-*-openbsd*): Likewise.
	(alpha*-dec-osf5.1*): Remove qrnnd.o, gthr-posix.o from extra_parts.
	(alpha64-dec-*vms*): Add alpha/t-alpha, alpha/t-ieee to tmake_file.
	(alpha*-dec-*vms*): Likewise.
	(arm*-*-netbsdelf*): Add arm/t-netbsd to tmake_file.
	(bfin*-elf*): Add bfin/t-elf to tmake_file.
	(bfin*-uclinux*): Likewise.
	(bfin*-linux-uclibc*): Likewise.
	(crisv32-*-elf): Add cris/t-cris to tmake_file.
	(crisv32-*-none): Likewise.
	(cris-*-elf): Likewise.
	(cris-*-none): Likewise.
	(cris-*-linux*, crisv32-*-linux*): Likewise.
	(hppa[12]*-*-hpux10*): Add pa/t-hpux pa/t-hpux10, t-libgcc-pic to
	tmake_file.
	(hppa*64*-*-hpux11*): Add pa/t-hpux, pa/t-pa64, t-libgcc-pic to
	tmake_file.
	(hppa[12]*-*-hpux11*): Add pa/t-hpux, t-libgcc-pic to tmake_file.
	(i[34567]86-*-elf*): Add t-libgcc-pic to tmake_file.
	(x86_64-*-elf*): Likewise.
	(i[34567]86-*-nto-qnx*): Likewise.
	(i[34567]86-*-mingw*): Add i386/t-gthr-win32 to tmake_file for
	win32 threads.
	(x86_64-*-mingw*): Likewise.
	(i[34567]86-*-interix3*): Add i386/t-interix to tmake_file.
	(lm32-*-uclinux*): Add t-libgcc-pic to tmake_file.
	(mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
	(mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
	(mipsisa64r2-*-elf*, mipsisa64r2el-*-elf*): Add mips/t-elf to
	tmake_file.
	(mipsisa64sr71k-*-elf*): Likewise.
	(mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*): Likewise.
	(mips-*-elf*, mipsel-*-elf*): Likewise.
	(mips64-*-elf*, mips64el-*-elf*): Likewise.
	(mips64orion-*-elf*, mips64orionel-*-elf*): Likewise.
	(mips*-*-rtems*): Likewise.
	(mips64vr-*-elf*, mips64vrel-*-elf*): Add mips/t-elf, mips/t-vr
	to tmake_file.
	(pdp11-*-*): Add pdp11/t-pdp11 to tmake_file.
	(powerpc64-*-darwin*): Add rs6000/t-darwin64 to tmake_file.
	(s390x-ibm-tpf*): Add t-libgcc-pic to tmake_file.
	(spu-*-elf*): Likewise.
	(tic6x-*-uclinux): Add t-libgcc-pic to tmake_file.

	libquadmath:
	* printf/gmp-impl.h: Adapt path to longlong.h.

From-SVN: r180774

13 files changed, 992 insertions, 0 deletions

diff --git a/libgcc/config/spu/divmodti4.c b/libgcc/config/spu/divmodti4.c
new file mode 100644
index 0000000..c63fb6b
--- /dev/null
+++ b/libgcc/config/spu/divmodti4.c
@@ -0,0 +1,188 @@
+/* Copyright (C) 2008, 2009, 2011 Free Software Foundation, Inc.
+ 
+   This file is free software; you can redistribute it and/or modify it under
+   the terms of the GNU General Public License as published by the Free
+   Software Foundation; either version 3 of the License, or (at your option)
+   any later version.
+ 
+   This file is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+ 
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <spu_intrinsics.h>
+
+typedef unsigned int UTItype __attribute__ ((mode (TI)));
+typedef int TItype __attribute__ ((mode (TI)));
+TItype __divti3 (TItype u, TItype v);
+TItype __modti3 (TItype u, TItype v);
+UTItype __udivti3 (UTItype u, UTItype v);
+UTItype __umodti3 (UTItype u, UTItype v);
+UTItype __udivmodti4 (UTItype u, UTItype v, UTItype *w);
+
+union qword_UTItype
+  {
+    qword q;
+    UTItype t;
+  };
+  
+inline static qword
+si_from_UTItype (UTItype t)
+{ 
+  union qword_UTItype u;
+  u.t = t;
+  return u.q;
+}
+
+inline static UTItype
+si_to_UTItype (qword q)
+{ 
+  union qword_UTItype u;
+  u.q = q;
+  return u.t;
+}
+
+inline static unsigned int
+count_leading_zeros (UTItype x)
+{
+  qword c = si_clz (*(qword *) & x);
+  qword cmp0 = si_cgti (c, 31);
+  qword cmp1 = si_and (cmp0, si_shlqbyi (cmp0, 4));
+  qword cmp2 = si_and (cmp1, si_shlqbyi (cmp0, 8));
+  qword s = si_a (c, si_and (cmp0, si_shlqbyi (c, 4)));
+  s = si_a (s, si_and (cmp1, si_shlqbyi (c, 8)));
+  s = si_a (s, si_and (cmp2, si_shlqbyi (c, 12)));
+  return si_to_uint (s);
+}
+
+/* Based on implementation of udivmodsi4, which is essentially
+ * an optimized version of libgcc/udivmodsi4.c
+        clz      %7,%2
+        clz      %4,%1
+        il       %5,1
+        fsmbi    %0,0
+        sf       %7,%4,%7
+        ori      %3,%1,0
+        shl      %5,%5,%7
+        shl      %4,%2,%7
+1:      or       %8,%0,%5
+        rotmi    %5,%5,-1
+        clgt     %6,%4,%3
+        sf       %7,%4,%3
+        rotmi    %4,%4,-1
+        selb     %0,%8,%0,%6
+        selb     %3,%7,%3,%6
+3:      brnz     %5,1b
+ */
+
+UTItype
+__udivmodti4 (UTItype num, UTItype den, UTItype * rp)
+{
+  qword shift =
+    si_from_uint (count_leading_zeros (den) - count_leading_zeros (num));
+  qword n0 = si_from_UTItype (num);
+  qword d0 = si_from_UTItype (den);
+  qword bit = si_andi (si_fsmbi (1), 1);
+  qword r0 = si_il (0);
+  qword m1 = si_fsmbi (0x000f);
+  qword mask, r1, n1;
+
+  d0 = si_shlqbybi (si_shlqbi (d0, shift), shift);
+  bit = si_shlqbybi (si_shlqbi (bit, shift), shift);
+
+  do
+    {
+      r1 = si_or (r0, bit);
+
+      // n1 = n0 - d0 in TImode
+      n1 = si_bg (d0, n0);
+      n1 = si_shlqbyi (n1, 4);
+      n1 = si_sf (m1, n1);
+      n1 = si_bgx (d0, n0, n1);
+      n1 = si_shlqbyi (n1, 4);
+      n1 = si_sf (m1, n1);
+      n1 = si_bgx (d0, n0, n1);
+      n1 = si_shlqbyi (n1, 4);
+      n1 = si_sf (m1, n1);
+      n1 = si_sfx (d0, n0, n1);
+
+      mask = si_fsm (si_cgti (n1, -1));
+      r0 = si_selb (r0, r1, mask);
+      n0 = si_selb (n0, n1, mask);
+      bit = si_rotqmbii (bit, -1);
+      d0 = si_rotqmbii (d0, -1);
+    }
+  while (si_to_uint (si_orx (bit)));
+  if (rp)
+    *rp = si_to_UTItype (n0);
+  return si_to_UTItype (r0);
+}
+
+UTItype
+__udivti3 (UTItype n, UTItype d)
+{
+  return __udivmodti4 (n, d, (UTItype *)0);
+}
+
+UTItype
+__umodti3 (UTItype n, UTItype d)
+{
+  UTItype w;
+  __udivmodti4 (n, d, &w);
+  return w;
+}
+
+TItype
+__divti3 (TItype n, TItype d)
+{
+  int c = 0;
+  TItype w;
+
+  if (n < 0)
+    {
+        c = ~c;
+        n = -n;
+    }
+  if (d < 0)
+    {
+        c = ~c;
+        d = -d;
+    }
+
+  w = __udivmodti4 (n, d, (UTItype *)0);
+  if (c)
+    w = -w;
+  return w;
+}
+
+TItype
+__modti3 (TItype n, TItype d)
+{
+  int c = 0;
+  TItype w;
+
+  if (n < 0)
+    {
+        c = ~c;
+        n = -n;
+    }
+  if (d < 0)
+    {
+        c = ~c;
+        d = -d;
+    }
+
+  __udivmodti4 (n, d, (UTItype *) &w);
+  if (c)
+    w = -w;
+  return w;
+}
diff --git a/libgcc/config/spu/divv2df3.c b/libgcc/config/spu/divv2df3.c
new file mode 100644
index 0000000..9d5e1a5
--- /dev/null
+++ b/libgcc/config/spu/divv2df3.c
@@ -0,0 +1,195 @@
+/* Copyright (C) 2009 Free Software Foundation, Inc.
+ 
+   This file is free software; you can redistribute it and/or modify it under
+   the terms of the GNU General Public License as published by the Free
+   Software Foundation; either version 3 of the License, or (at your option)
+   any later version.
+ 
+   This file is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+ 
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <spu_intrinsics.h>
+
+vector double __divv2df3 (vector double a_in, vector double b_in);
+
+/* __divv2df3 divides the vector dividend a by the vector divisor b and 
+   returns the resulting vector quotient.  Maximum error about 0.5 ulp 
+   over entire double range including denorms, compared to true result
+   in round-to-nearest rounding mode.  Handles Inf or NaN operands and 
+   results correctly.  */
+
+vector double
+__divv2df3 (vector double a_in, vector double b_in)
+{
+  /* Variables */
+  vec_int4    exp, exp_bias;
+  vec_uint4   no_underflow, overflow;
+  vec_float4  mant_bf, inv_bf;
+  vec_ullong2 exp_a, exp_b;
+  vec_ullong2 a_nan, a_zero, a_inf, a_denorm, a_denorm0;
+  vec_ullong2 b_nan, b_zero, b_inf, b_denorm, b_denorm0;
+  vec_ullong2 nan;
+  vec_uint4   a_exp, b_exp;
+  vec_ullong2 a_mant_0, b_mant_0;
+  vec_ullong2 a_exp_1s, b_exp_1s;
+  vec_ullong2 sign_exp_mask;
+
+  vec_double2 a, b;
+  vec_double2 mant_a, mant_b, inv_b, q0, q1, q2, mult;
+
+  /* Constants */
+  vec_uint4   exp_mask_u32 = spu_splats((unsigned int)0x7FF00000);
+  vec_uchar16 splat_hi = (vec_uchar16){0,1,2,3, 0,1,2,3,  8, 9,10,11, 8,9,10,11};
+  vec_uchar16 swap_32 = (vec_uchar16){4,5,6,7, 0,1,2,3, 12,13,14,15, 8,9,10,11};
+  vec_ullong2 exp_mask = spu_splats(0x7FF0000000000000ULL);
+  vec_ullong2 sign_mask = spu_splats(0x8000000000000000ULL);
+  vec_float4  onef = spu_splats(1.0f);
+  vec_double2 one = spu_splats(1.0);
+  vec_double2 exp_53 = (vec_double2)spu_splats(0x0350000000000000ULL);
+
+  sign_exp_mask = spu_or(sign_mask, exp_mask);
+
+  /* Extract the floating point components from each of the operands including
+   * exponent and mantissa.
+   */
+  a_exp = (vec_uint4)spu_and((vec_uint4)a_in, exp_mask_u32);
+  a_exp = spu_shuffle(a_exp, a_exp, splat_hi);
+  b_exp = (vec_uint4)spu_and((vec_uint4)b_in, exp_mask_u32);
+  b_exp = spu_shuffle(b_exp, b_exp, splat_hi);
+
+  a_mant_0 = (vec_ullong2)spu_cmpeq((vec_uint4)spu_andc((vec_ullong2)a_in, sign_exp_mask), 0);
+  a_mant_0 = spu_and(a_mant_0, spu_shuffle(a_mant_0, a_mant_0, swap_32));
+
+  b_mant_0 = (vec_ullong2)spu_cmpeq((vec_uint4)spu_andc((vec_ullong2)b_in, sign_exp_mask), 0);
+  b_mant_0 = spu_and(b_mant_0, spu_shuffle(b_mant_0, b_mant_0, swap_32));
+
+  a_exp_1s = (vec_ullong2)spu_cmpeq(a_exp, exp_mask_u32);
+  b_exp_1s = (vec_ullong2)spu_cmpeq(b_exp, exp_mask_u32);
+
+  /* Identify all possible special values that must be accomodated including:
+   * +-denorm, +-0, +-infinity, and NaNs.
+   */
+  a_denorm0= (vec_ullong2)spu_cmpeq(a_exp, 0);
+  a_nan    = spu_andc(a_exp_1s, a_mant_0);
+  a_zero   = spu_and (a_denorm0, a_mant_0);
+  a_inf    = spu_and (a_exp_1s, a_mant_0);
+  a_denorm = spu_andc(a_denorm0, a_zero);
+
+  b_denorm0= (vec_ullong2)spu_cmpeq(b_exp, 0);
+  b_nan    = spu_andc(b_exp_1s, b_mant_0);
+  b_zero   = spu_and (b_denorm0, b_mant_0);
+  b_inf    = spu_and (b_exp_1s, b_mant_0);
+  b_denorm = spu_andc(b_denorm0, b_zero);
+
+  /* Scale denorm inputs to into normalized numbers by conditionally scaling the 
+   * input parameters.
+   */
+  a = spu_sub(spu_or(a_in, exp_53), spu_sel(exp_53, a_in, sign_mask));
+  a = spu_sel(a_in, a, a_denorm);
+
+  b = spu_sub(spu_or(b_in, exp_53), spu_sel(exp_53, b_in, sign_mask));
+  b = spu_sel(b_in, b, b_denorm);
+
+  /* Extract the divisor and dividend exponent and force parameters into the signed 
+   * range [1.0,2.0) or [-1.0,2.0).
+   */
+  exp_a = spu_and((vec_ullong2)a, exp_mask);
+  exp_b = spu_and((vec_ullong2)b, exp_mask);
+
+  mant_a = spu_sel(a, one, (vec_ullong2)exp_mask);
+  mant_b = spu_sel(b, one, (vec_ullong2)exp_mask);
+  
+  /* Approximate the single reciprocal of b by using
+   * the single precision reciprocal estimate followed by one 
+   * single precision iteration of Newton-Raphson.
+   */
+  mant_bf = spu_roundtf(mant_b);
+  inv_bf = spu_re(mant_bf);
+  inv_bf = spu_madd(spu_nmsub(mant_bf, inv_bf, onef), inv_bf, inv_bf);
+
+  /* Perform 2 more Newton-Raphson iterations in double precision. The
+   * result (q1) is in the range (0.5, 2.0).
+   */
+  inv_b = spu_extend(inv_bf);
+  inv_b = spu_madd(spu_nmsub(mant_b, inv_b, one), inv_b, inv_b);
+  q0 = spu_mul(mant_a, inv_b);
+  q1 = spu_madd(spu_nmsub(mant_b, q0, mant_a), inv_b, q0);
+
+  /* Determine the exponent correction factor that must be applied 
+   * to q1 by taking into account the exponent of the normalized inputs
+   * and the scale factors that were applied to normalize them.
+   */
+  exp = spu_rlmaska(spu_sub((vec_int4)exp_a, (vec_int4)exp_b), -20);
+  exp = spu_add(exp, (vec_int4)spu_add(spu_and((vec_int4)a_denorm, -0x34), spu_and((vec_int4)b_denorm, 0x34)));
+  
+  /* Bias the quotient exponent depending on the sign of the exponent correction
+   * factor so that a single multiplier will ensure the entire double precision
+   * domain (including denorms) can be achieved.
+   *
+   *    exp 	       bias q1     adjust exp
+   *   =====	       ========    ==========
+   *   positive         2^+65         -65
+   *   negative         2^-64         +64
+   */
+  exp_bias = spu_xor(spu_rlmaska(exp, -31), 64);
+  exp = spu_sub(exp, exp_bias);
+
+  q1 = spu_sel(q1, (vec_double2)spu_add((vec_int4)q1, spu_sl(exp_bias, 20)), exp_mask);
+
+  /* Compute a multiplier (mult) to applied to the quotient (q1) to produce the 
+   * expected result. On overflow, clamp the multiplier to the maximum non-infinite
+   * number in case the rounding mode is not round-to-nearest.
+   */
+  exp = spu_add(exp, 0x3FF);
+  no_underflow = spu_cmpgt(exp, 0);
+  overflow = spu_cmpgt(exp, 0x7FE);
+  exp = spu_and(spu_sl(exp, 20), (vec_int4)no_underflow);
+  exp = spu_and(exp, (vec_int4)exp_mask);
+
+  mult = spu_sel((vec_double2)exp, (vec_double2)(spu_add((vec_uint4)exp_mask, -1)), (vec_ullong2)overflow);
+
+  /* Handle special value conditions. These include:
+   *
+   * 1) IF either operand is a NaN OR both operands are 0 or INFINITY THEN a NaN 
+   *    results.
+   * 2) ELSE IF the dividend is an INFINITY OR the divisor is 0 THEN a INFINITY results.
+   * 3) ELSE IF the dividend is 0 OR the divisor is INFINITY THEN a 0 results.
+   */
+  mult = spu_andc(mult, (vec_double2)spu_or(a_zero, b_inf));
+  mult = spu_sel(mult, (vec_double2)exp_mask, spu_or(a_inf, b_zero));
+
+  nan = spu_or(a_nan, b_nan);
+  nan = spu_or(nan, spu_and(a_zero, b_zero));
+  nan = spu_or(nan, spu_and(a_inf, b_inf));
+
+  mult = spu_or(mult, (vec_double2)nan);
+
+  /* Scale the final quotient */
+
+  q2 = spu_mul(q1, mult);
+
+  return (q2);
+}
+
+
+/* We use the same function for vector and scalar division.  Provide the
+   scalar entry point as an alias.  */
+double __divdf3 (double a, double b)
+  __attribute__ ((__alias__ ("__divv2df3")));
+
+/* Some toolchain builds used the __fast_divdf3 name for this helper function.
+   Provide this as another alternate entry point for compatibility.  */
+double __fast_divdf3 (double a, double b)
+  __attribute__ ((__alias__ ("__divv2df3")));
+
diff --git a/libgcc/config/spu/float_disf.c b/libgcc/config/spu/float_disf.c
new file mode 100644
index 0000000..0f4fe3d
--- /dev/null
+++ b/libgcc/config/spu/float_disf.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+  
+   This file is free software; you can redistribute it and/or modify it under
+   the terms of the GNU General Public License as published by the Free
+   Software Foundation; either version 3 of the License, or (at your option)
+   any later version.
+  
+   This file is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+  
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Prototype.  */
+float __floatdisf (long long x);
+
+float __floatdisf (long long x)
+{
+  /* The SPU back-end now generates inline code for this conversion.
+     This file is solely used to provide the __floatdisf functions
+     for objects generated with prior versions of GCC.  */
+  return x;
+}
diff --git a/libgcc/config/spu/float_unsdidf.c b/libgcc/config/spu/float_unsdidf.c
new file mode 100644
index 0000000..4fdf0b8
--- /dev/null
+++ b/libgcc/config/spu/float_unsdidf.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 2006, 2008, 2009 Free Software Foundation, Inc.
+  
+   This file is free software; you can redistribute it and/or modify it under
+   the terms of the GNU General Public License as published by the Free
+   Software Foundation; either version 3 of the License, or (at your option)
+   any later version.
+  
+   This file is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+  
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <spu_intrinsics.h>
+const unsigned char __didf_scale[16] __attribute__ ((__aligned__ (16))) = {
+  0x00, 0x00, 0x04, 0x3e,
+  0x00, 0x00, 0x04, 0x1e,
+  0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00
+};
+const unsigned char __didf_pat[16] __attribute__ ((__aligned__ (16))) = {
+  0x02, 0x03, 0x10, 0x11,
+  0x12, 0x13, 0x80, 0x80,
+  0x06, 0x07, 0x14, 0x15,
+  0x16, 0x17, 0x80, 0x80
+};
+
+/* double __float_unsdidf (unsigned long long int) 
+   Construct two exact doubles representing the high and low parts (in
+   parallel), then add them. */
+qword __float_unsdidf (qword DI);
+qword
+__float_unsdidf (qword DI)
+{
+  qword t0, t1, t2, t3, t4, t5, t6, t7, t8;
+  t0 = si_clz (DI);
+  t1 = si_shl (DI, t0);
+  t2 = si_ceqi (t0, 32);
+  t3 = si_sf (t0, *(const qword *) __didf_scale);
+  t4 = si_a (t1, t1);
+  t5 = si_andc (t3, t2);
+  t6 = si_shufb (t5, t4, *(const qword *) __didf_pat);
+  t7 = si_shlqbii (t6, 4);
+  t8 = si_shlqbyi (t7, 8);
+  return si_dfa (t7, t8);
+}
diff --git a/libgcc/config/spu/float_unsdisf.c b/libgcc/config/spu/float_unsdisf.c
new file mode 100644
index 0000000..7af120e
--- /dev/null
+++ b/libgcc/config/spu/float_unsdisf.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+  
+   This file is free software; you can redistribute it and/or modify it under
+   the terms of the GNU General Public License as published by the Free
+   Software Foundation; either version 3 of the License, or (at your option)
+   any later version.
+  
+   This file is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+  
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Prototype.  */
+float __floatundisf (unsigned long long x);
+
+float __floatundisf (unsigned long long x)
+{
+  /* The SPU back-end now generates inline code for this conversion.
+     This file is solely used to provide the __floatundisf function
+     for objects generated with prior versions of GCC.  */
+  return x;
+}
diff --git a/libgcc/config/spu/float_unssidf.c b/libgcc/config/spu/float_unssidf.c
new file mode 100644
index 0000000..b255f81
--- /dev/null
+++ b/libgcc/config/spu/float_unssidf.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 2006, 2008, 2009 Free Software Foundation, Inc.
+  
+   This file is free software; you can redistribute it and/or modify it under
+   the terms of the GNU General Public License as published by the Free
+   Software Foundation; either version 3 of the License, or (at your option)
+   any later version.
+  
+   This file is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+  
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <spu_intrinsics.h>
+const unsigned char __sidf_pat[16] __attribute__ ((__aligned__ (16))) = {
+  0x02, 0x03, 0x10, 0x11,
+  0x12, 0x13, 0x80, 0x80,
+  0x06, 0x07, 0x14, 0x15,
+  0x16, 0x17, 0x80, 0x80
+};
+
+/* double __float_unssidf (unsigned int SI) */
+qword __float_unssidf (qword SI);
+qword
+__float_unssidf (qword SI)
+{
+  qword t0, t1, t2, t3, t4, t5, t6, t7;
+  t0 = si_clz (SI);
+  t1 = si_il (1054);
+  t2 = si_shl (SI, t0);
+  t3 = si_ceqi (t0, 32);
+  t4 = si_sf (t0, t1);
+  t5 = si_a (t2, t2);
+  t6 = si_andc (t4, t3);
+  t7 = si_shufb (t6, t5, *(const qword *) __sidf_pat);
+  return si_shlqbii (t7, 4);
+}
diff --git a/libgcc/config/spu/mfc_multi_tag_release.c b/libgcc/config/spu/mfc_multi_tag_release.c
new file mode 100644
index 0000000..62eb2be
--- /dev/null
+++ b/libgcc/config/spu/mfc_multi_tag_release.c
@@ -0,0 +1,72 @@
+/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#include <spu_mfcio.h>
+extern vector unsigned int __mfc_tag_table;
+
+/* Release a sequential group of tags from exclusive use. The sequential
+   group of tags is the range starting from <first_tag> through
+   <first_tag>+<number_of_tags>-1. Upon sucessful release, MFC_DMA_TAG_VALID
+   is returned and the tags become available for future reservation.
+
+   If the specified tags were not previously reserved, no action is
+   taken and MFC_DMA_TAG_INVALID is returned.  */
+
+unsigned int
+__mfc_multi_tag_release (unsigned int first_tag, unsigned int number_of_tags)
+{
+  vector unsigned int table_copy, tmp, tmp1;
+  vector unsigned int one = (vector unsigned int)
+        { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
+  vector unsigned int is_invalid;
+  unsigned int last_tag;
+  vector unsigned int has_been_reserved;
+
+  last_tag = first_tag + number_of_tags;
+
+  table_copy = spu_sl (one, number_of_tags);
+  table_copy = spu_rl (table_copy, -last_tag);
+  table_copy = spu_xor (table_copy, -1);
+
+  /* Make sure the tags are in range and valid.  */
+  tmp = spu_cmpgt (spu_promote(last_tag, 0), 32);
+  tmp1 = spu_cmpgt (spu_promote(number_of_tags, 0), 32);
+  is_invalid =  spu_cmpgt (spu_promote(first_tag, 0), 31);
+
+  /* All bits are set to 1 if invalid, 0 if valid.  */
+  is_invalid = spu_or (tmp, is_invalid);
+  is_invalid = spu_or (tmp1, is_invalid);
+
+  /* check whether these tags have been reserved */
+  tmp = spu_rlmask (one, (int)-number_of_tags);
+  tmp1 = spu_sl (__mfc_tag_table, first_tag);
+  has_been_reserved = spu_cmpgt(tmp1, tmp);
+
+  is_invalid = spu_or (has_been_reserved, is_invalid);
+
+  table_copy = spu_sel (__mfc_tag_table, table_copy, table_copy);
+  __mfc_tag_table = spu_sel (table_copy, __mfc_tag_table, is_invalid);
+
+  return spu_extract (is_invalid, 0);
+}
+
diff --git a/libgcc/config/spu/mfc_multi_tag_reserve.c b/libgcc/config/spu/mfc_multi_tag_reserve.c
new file mode 100644
index 0000000..06d7025
--- /dev/null
+++ b/libgcc/config/spu/mfc_multi_tag_reserve.c
@@ -0,0 +1,84 @@
+/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#include <spu_mfcio.h>
+extern vector unsigned int __mfc_tag_table;
+
+/* Reserve a sequential group of tags for exclusive use.  The number of
+   tags to be reserved is specified by the <number_of_tags> parameter.
+   This routine returns the first tag ID for a sequential list of
+   available tags and marks them as reserved. The reserved group
+   of tags is in the range starting from the returned tag through
+   the returned tag + <number_of_tags>-1.
+
+   If the number of tags requested exceeds the number of available
+   sequential tags, then MFC_DMA_TAG_INVALID is returned indicating
+   that the request could not be serviced.  */
+
+unsigned int
+__mfc_multi_tag_reserve (unsigned int number_of_tags)
+{
+  vector unsigned int table_copy;
+  vector unsigned int one = (vector unsigned int)
+        { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
+  vector unsigned int count_busy, is_valid;
+  vector unsigned int count_total;
+  vector unsigned int count_avail = (vector unsigned int) { 0, 0, 0, 0 };
+  vector unsigned int index = (vector unsigned int) { 0, 0, 0, 0 };
+
+  table_copy = __mfc_tag_table;
+
+
+  /* count_busy: number of consecutive busy tags
+     count_avail: number of consecutive free tags
+     table_copy: temporary copy of the tag table
+     count_total: sum of count_busy and count_avail
+     index: index of the current working tag  */
+  do
+    {
+      table_copy = spu_sl (table_copy, count_avail);
+
+      count_busy = spu_cntlz (table_copy);
+      table_copy = spu_sl (table_copy, count_busy);
+      count_avail = spu_cntlz (spu_xor(table_copy, -1));
+      count_total = spu_add (count_busy, count_avail);
+      index = spu_add (index, count_total);
+    }
+  while (spu_extract (count_avail, 0) < number_of_tags
+	 && spu_extract (table_copy, 0) != 0);
+
+  index = spu_sub (index, count_avail);
+
+  /* is_valid is set to 0xFFFFFFFF if table_copy == 0, 0 otherwise.  */
+  is_valid = spu_cmpeq (table_copy, 0);
+  index = spu_sel (index, is_valid, is_valid);
+
+  /* Now I need to actually mark the tags as used.  */
+  table_copy = spu_sl (one, number_of_tags);
+  table_copy = spu_rl (table_copy, -number_of_tags - spu_extract (index, 0));
+  table_copy = spu_sel (table_copy, __mfc_tag_table, table_copy);
+  __mfc_tag_table = spu_sel (table_copy, __mfc_tag_table, is_valid);
+
+  return spu_extract (index, 0);
+}
+
diff --git a/libgcc/config/spu/mfc_tag_release.c b/libgcc/config/spu/mfc_tag_release.c
new file mode 100644
index 0000000..d59c571
--- /dev/null
+++ b/libgcc/config/spu/mfc_tag_release.c
@@ -0,0 +1,59 @@
+/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#include <spu_mfcio.h>
+extern vector unsigned int __mfc_tag_table;
+
+/* Release the specified DMA tag from exclusive use.  Once released, the
+   tag is available for future reservation.  Upon sucessful release,
+   MFC_DMA_TAG_VALID is returned.  If the specified tag is not in the
+   range 0 to 31, or had not been reserved, no action is taken and
+   MFC_DMA_TAG_INVALID is returned.  */
+
+unsigned int
+__mfc_tag_release (unsigned int tag)
+{
+  vector unsigned int is_invalid;
+  vector unsigned int mask = (vector unsigned int)
+	{ 0x80000000, 0x80000000, 0x80000000, 0x80000000 };
+  vector signed int zero = (vector signed int) { 0, 0, 0, 0 };
+
+  vector signed int has_been_reserved;
+
+  /* Check if the tag is out of range.  */
+  is_invalid = spu_cmpgt (spu_promote (tag, 0), 31);
+
+  /* Check whether the tag has been reserved, set to all 1 if has not
+     been reserved, 0 otherwise.  */
+  has_been_reserved = (vector signed int) spu_rl (__mfc_tag_table, tag);
+  has_been_reserved = (vector signed int) spu_cmpgt (zero, has_been_reserved);
+
+  /* Set invalid.  */
+  is_invalid = spu_or ((vector unsigned int) has_been_reserved, is_invalid);
+
+  mask = spu_rlmask (mask, (int)(-tag));
+  __mfc_tag_table = spu_or (__mfc_tag_table, mask);
+
+  return spu_extract(is_invalid, 0);
+}
+
diff --git a/libgcc/config/spu/mfc_tag_reserve.c b/libgcc/config/spu/mfc_tag_reserve.c
new file mode 100644
index 0000000..23b4817
--- /dev/null
+++ b/libgcc/config/spu/mfc_tag_reserve.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#include <spu_mfcio.h>
+extern vector unsigned int __mfc_tag_table;
+
+/* Reserves a DMA tag for exclusive use.  This routine returns an available
+   tag id in the range 0 to 31 and marks the tag as reserved.  If no tags
+   are available, MFC_DMA_TAG_INVALID is returned indicating that all tags
+   are already reserved.  */
+
+unsigned int
+__mfc_tag_reserve (void)
+{
+  vector unsigned int mask = (vector unsigned int)
+	{ 0x80000000, 0x80000000, 0x80000000, 0x80000000 };
+  vector unsigned int count_zeros, is_valid;
+  vector signed int count_neg;
+
+  count_zeros = spu_cntlz (__mfc_tag_table);
+  count_neg = spu_sub (0, (vector signed int) count_zeros);
+
+  mask = spu_rlmask (mask, (vector signed int) count_neg);
+  __mfc_tag_table = spu_andc (__mfc_tag_table, mask);
+
+  is_valid = spu_cmpeq (count_zeros, 32);
+  count_zeros = spu_sel (count_zeros, is_valid, is_valid);
+
+  return spu_extract (count_zeros, 0);
+}
+
diff --git a/libgcc/config/spu/mfc_tag_table.c b/libgcc/config/spu/mfc_tag_table.c
new file mode 100644
index 0000000..bd08c58
--- /dev/null
+++ b/libgcc/config/spu/mfc_tag_table.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+/* The free tag table used by the MFC tag manager, with tag0
+   reserved for the overlay manager.  */
+__vector unsigned int
+__mfc_tag_table = (__vector unsigned int) { 0x7FFFFFFF, -1, -1, -1 };
+
+/* Arrange to release tag0 if overlays are not present.  */
+static void __mfc_tag_init (void) __attribute__ ((constructor));
+
+static void
+__mfc_tag_init (void)
+{
+  extern void _ovly_table __attribute__ ((weak));
+
+  if (&_ovly_table == 0)
+    __mfc_tag_table = (__vector unsigned int) { -1, -1, -1, -1 };
+}
diff --git a/libgcc/config/spu/multi3.c b/libgcc/config/spu/multi3.c
new file mode 100644
index 0000000..b8b0e90
--- /dev/null
+++ b/libgcc/config/spu/multi3.c
@@ -0,0 +1,119 @@
+/* Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+ 
+   This file is free software; you can redistribute it and/or modify it under
+   the terms of the GNU General Public License as published by the Free
+   Software Foundation; either version 3 of the License, or (at your option)
+   any later version.
+ 
+   This file is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+   for more details.
+ 
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <spu_intrinsics.h>
+
+typedef int TItype __attribute__ ((mode (TI)));
+
+union qword_TItype
+  {
+    qword q;
+    TItype t;
+  };
+  
+inline static qword
+si_from_TItype (TItype t)
+{ 
+  union qword_TItype u;
+  u.t = t;
+  return u.q;
+}
+
+inline static TItype
+si_to_TItype (qword q)
+{ 
+  union qword_TItype u;
+  u.q = q;
+  return u.t;
+}
+
+/* A straight forward vectorization and unrolling of
+ *   short l[8], r[8];
+ *   TItype total = 0;
+ *   for (i = 0; i < 8; i++)
+ *     for (j = 0; j < 8; j++)
+ *       total += (TItype)((l[7-i] * r[7-j]) << (16 * (i + j)));
+ */
+TItype
+__multi3 (TItype l, TItype r)
+{
+  qword u = si_from_TItype (l);
+  qword v = si_from_TItype (r);
+  qword splat0 = si_shufb (v, v, si_ilh (0x0001));
+  qword splat1 = si_shufb (v, v, si_ilh (0x0203));
+  qword splat2 = si_shufb (v, v, si_ilh (0x0405));
+  qword splat3 = si_shufb (v, v, si_ilh (0x0607));
+  qword splat4 = si_shufb (v, v, si_ilh (0x0809));
+  qword splat5 = si_shufb (v, v, si_ilh (0x0a0b));
+  qword splat6 = si_shufb (v, v, si_ilh (0x0c0d));
+  qword splat7 = si_shufb (v, v, si_ilh (0x0e0f));
+
+  qword part0l = si_shlqbyi (si_mpyu   (u, splat0), 14);
+  qword part1h = si_shlqbyi (si_mpyhhu (u, splat1), 14);
+  qword part1l = si_shlqbyi (si_mpyu   (u, splat1), 12);
+  qword part2h = si_shlqbyi (si_mpyhhu (u, splat2), 12);
+  qword part2l = si_shlqbyi (si_mpyu   (u, splat2), 10);
+  qword part3h = si_shlqbyi (si_mpyhhu (u, splat3), 10);
+  qword part3l = si_shlqbyi (si_mpyu   (u, splat3), 8);
+  qword part4h = si_shlqbyi (si_mpyhhu (u, splat4), 8);
+  qword part4l = si_shlqbyi (si_mpyu   (u, splat4), 6);
+  qword part5h = si_shlqbyi (si_mpyhhu (u, splat5), 6);
+  qword part5l = si_shlqbyi (si_mpyu   (u, splat5), 4);
+  qword part6h = si_shlqbyi (si_mpyhhu (u, splat6), 4);
+  qword part6l = si_shlqbyi (si_mpyu   (u, splat6), 2);
+  qword part7h = si_shlqbyi (si_mpyhhu (u, splat7), 2);
+  qword part7l = si_mpyu (u, splat7);
+
+  qword carry, total0, total1, total2, total3, total4;
+  qword total5, total6, total7, total8, total9, total10;
+  qword total;
+
+  total0 = si_a (si_a (si_a (part0l, part1h), si_a (part1l, part2h)), part7l);
+  total1 = si_a (part2l, part3h);
+  total2 = si_a (part3l, part4h);
+  total3 = si_a (part4l, part5h);
+  total4 = si_a (part5l, part6h);
+  total5 = si_a (part6l, part7h);
+  total6 = si_a (total0, total1);
+  total7 = si_a (total2, total3);
+  total8 = si_a (total4, total5);
+  total9 = si_a (total6, total7);
+  total10 = si_a (total8, total9);
+
+  carry = si_cg (part2l, part3h);
+  carry = si_a (carry, si_cg (part3l, part4h));
+  carry = si_a (carry, si_cg (part4l, part5h));
+  carry = si_a (carry, si_cg (part5l, part6h));
+  carry = si_a (carry, si_cg (part6l, part7h));
+  carry = si_a (carry, si_cg (total0, total1));
+  carry = si_a (carry, si_cg (total2, total3));
+  carry = si_a (carry, si_cg (total4, total5));
+  carry = si_a (carry, si_cg (total6, total7));
+  carry = si_a (carry, si_cg (total8, total9));
+  carry = si_shlqbyi (carry, 4);
+
+  total = si_cg (total10, carry);
+  total = si_shlqbyi (total, 4);
+  total = si_cgx (total10, carry, total);
+  total = si_shlqbyi (total, 4);
+  total = si_addx (total10, carry, total);
+  return si_to_TItype (total);
+}
diff --git a/libgcc/config/spu/t-elf b/libgcc/config/spu/t-elf
index 130d561..83616c1 100644
--- a/libgcc/config/spu/t-elf
+++ b/libgcc/config/spu/t-elf
@@ -2,6 +2,30 @@
 # FIXME: This is the default.
 CRTSTUFF_T_CFLAGS =
 
+# We exclude those because the libgcc2.c default versions do not support
+# the SPU single-precision format (round towards zero).  We provide our
+# own versions below and/or via direct expansion.
+LIB2ADD = _floatdisf _floatundisf _floattisf _floatunstisf
+
+LIB2ADD_ST = $(srcdir)/config/spu/float_unssidf.c \
+	     $(srcdir)/config/spu/float_unsdidf.c \
+	     $(srcdir)/config/spu/float_unsdisf.c \
+	     $(srcdir)/config/spu/float_disf.c \
+	     $(srcdir)/config/spu/mfc_tag_table.c \
+	     $(srcdir)/config/spu/mfc_tag_reserve.c \
+	     $(srcdir)/config/spu/mfc_tag_release.c \
+	     $(srcdir)/config/spu/mfc_multi_tag_reserve.c \
+	     $(srcdir)/config/spu/mfc_multi_tag_release.c \
+	     $(srcdir)/config/spu/multi3.c \
+	     $(srcdir)/config/spu/divmodti4.c \
+	     $(srcdir)/config/spu/divv2df3.c
+
+# Build TImode conversion routines to support Fortran 128-bit
+# integer data types.
+LIB2_SIDITI_CONV_FUNCS = yes
+
+HOST_LIBGCC2_CFLAGS += -mwarn-reloc -D__IN_LIBGCC2
+
 # Neither gcc or newlib seem to have a standard way to generate multiple
 # crt*.o files.  So we don't use the standard crt0.o name anymore.