Move crtstuff support to toplevel libgcc

	gcc:
	* config.gcc (extra_parts): Remove.
	(*-*-freebsd*): Remove extra_parts.
	(*-*-linux*, frv-*-*linux*, *-*-kfreebsd*-gnu, *-*-knetbsd*-gnu,
	*-*-gnu*, *-*-kopensolaris*-gnu): Likewise.
	(*-*-netbsd*): Remove t-libc-ok, t-netbsd from tmake_file.
	Remove extra_parts for *-*-netbsd*1.[7-9]*, *-*-netbsd[2-9]*,
	*-*-netbsdelf[2-9]*.
	(*-*-openbsd*): Remove t-libc-ok from tmake_file.
	(alpha*-*-linux*): Remove extra_parts.
	(alpha*-*-freebsd*): Likewise.
	(bfin*-linux-uclibc*): Likewise.
	(fr30-*-elf): Likewise.
	(moxie-*-elf): Likewise.
	(moxie-*-uclinux*): Likewise.
	(h8300-*-rtems*): Remove h8300/t-elf from tmake_file.
	(h8300-*-elf*): Likewise.
	(hppa*64*-*-hpux11*): Remove extra_parts.
	(i[34567]86-*-elf*): Remove i386/t-i386elf, i386/t-crtstuff from
	tmake_file.
	(x86_64-*-elf*): Likewise.
	(i[34567]86-*-freebsd*): Remove tmake_file.
	(x86_64-*-freebsd*): Likewise.
	(x86_64-*-netbsd*): Likewise.
	(i[34567]86-*-openbsd2.*, i[34567]86-*openbsd3.[0123]): Remove
	t-libc-ok from tmake_file.
	(i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
	i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*,
	i[34567]86-*-kopensolaris*-gnu): Remove i386/t-crtstuff from tmake_file.
	Remove extra_parts.
	(x86_64-*-linux*, x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu):
	Remove i386/t-crtstuff from tmake_file.
	(i[34567]86-*-lynxos*): Likewise.
	Remove extra_parts.
	(ia64*-*-elf*): Remove extra_parts.
	(ia64*-*-freebsd*): Likewise.
	(ia64*-*-linux*): Likewise.
	(ia64-hp-*vms*): Remove ia64/t-vms from tmake_file.
	(m32r-*-elf*): Remove extra_parts.
	(m32rle-*-elf*): Likewise.
	(m32r-*-rtems*): Likewise.
	(m68k-*-elf*, fido-*-elf*): Likewise.
	(m68k*-*-openbsd*): Remove t-libc-ok from tmake_file.
	(m68k-*-rtems*): Remove extra_parts.
	(mep-*-*): Likewise.
	(microblaze*-linux*): Likewise.
	(mips64*-*-linux*, mipsisa64*-*-linux*): Likewise.
	(mips*-*-linux*): Likewise.
	(powerpc-*-lynxos*): Likewise.
	(s390x-ibm-tpf*): Likewise.
	(score-*-elf): Likewise.
	Remove tmake_file.
	(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-elf from tmake_file.
	Remove sh/t-superh from tmake_file for sh*-superh-elf.
	Remove sh/t-linux64 from tmake_file for sh64*-*-linux*.
	(sh-*-rtems*): Remove sh/t-elf from tmake_file.
	(sh-wrs-vxworks): Likewise.
	(sparc-*-linux*): Remove extra_parts.
	(sparc64-*-linux*): Likewise.
	(sparc64-*-freebsd*, ultrasparc-*-freebsd*): Likewise.
	(xstormy16-*-elf): Likewise.
	(xtensa*-*-linux*): Remove xtensa/t-linux from tmake_file.
	(am33_2.0-*-linux*): Remove extra_parts.
	* configure.ac (extra_parts): Don't substitute.
	* configure: Regenerate.
	* crtstuff.c: Move to ../libgcc.
	* Makefile.in (CRTSTUFF_CFLAGS): Remove.
	(EXTRA_PARTS): Remove.
	(CRTSTUFF_T_CFLAGS): Remove.
	(MOSTLYCLEANFILES): Remove $(EXTRA_PARTS).
	(GCC_EXTRA_PARTS): Remove.
	(libgcc.mvars): Remove GCC_EXTRA_PARTS, CRTSTUFF_CFLAGS,
	CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S.
	Emit GCC_CFLAGS, INHIBIT_LIBC_CFLAGS.
	($(T)crtbegin.o, $(T)crtend.o, $(T)crtbeginS.o, $(T)crtendS.o)
	($(T)crtbeginT.o): Remove.
	* config/alpha/t-vms (EXTRA_PARTS): Remove.
	($(T)vms-dwarf2.o, $(T)vms-dwarf2eh.o): Remove.
	* config/alpha/vms-dwarf2.asm: Move to
	../libgcc/config/alpha/vms-dwarf2.S.
	* config/alpha/vms-dwarf2eh.asm: Move to
	../libgcc/config/alpha/vms-dwarf2eh.S.
	* config/arm/crti.asm: Move to ../libgcc/config/arm/crti.S.
	* config/arm/crtn.asm: Move to ../libgcc/config/arm/crtn.S.
	* config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/arm/t-linux: Remove comment.
	* config/arm/t-linux-eabi (EXTRA_MULTILIB_PARTS): Remove.
	* config/arm/t-strongarm-elf (EXTRA_MULTILIB_PARTS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/arm/t-symbian (EXTRA_MULTILIB_PARTS): Remove.
	* config/bfin/crti.s: Move to ../libgcc/config/bfin/crti.S.
	* config/bfin/crtn.s: Move to ../libgcc/config/bfin/crtn.S.
	* config/bfin/crtlibid.s: Move to ../libgcc/config/bfin/crtlibid.S.
	* config/bfin/t-bfin (EXTRA_PARTS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/bfin/t-bfin-elf (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crti.o, $(T)crtn.o, $(T)crtlibid.o): Remove
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/bfin/t-bfin-linux (CRTSTUFF_T_CFLAGS,
	EXTRA_MULTILIB_PARTS): Remove.
	* config/bfin/t-bfin-uclinux (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crtlibid.o): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/c6x/crti.s: Move to ../libgcc/config/c6x/crti.S.
	* config/c6x/crtn.s: Move to ../libgcc/config/c6x/crtn.S.
	* config/c6x/t-c6x-elf ($(T)crti.o, $(T)crtn.o): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	(CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove.
	* config/c6x/t-c6x-uclinux (CRTSTUFF_T_CFLAGS,
	CRTSTUFF_T_CFLAGS_S): Remove.
	* config/cris/t-elfmulti (CRTSTUFF_T_CFLAGS): Remove.
	* config/cris/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/fr30/crti.asm: Move to ../libgcc/config/fr30/crti.S.
	* config/fr30/crtn.asm: Move to ../libgcc/config/fr30/crtn.S.
	* config/fr30/t-fr30 ($(T)crti.o, $(T)crtn.o): Remove.
	* config/frv/frvbegin.c, config/frv/frvend.c: Move to
	../libgcc/config/frv.
	* config/frv/t-frv (EXTRA_MULTILIB_PARTS): Remove.
	(FRVSTUFF_CFLAGS, $(T)frvbegin$(objext), $(T)frvend$(objext)): Remove.
	* config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove.
	(CRTSTUFF_T_CFLAGS): Remove.
	* config/h8300/crti.asm: Move to ../libgcc/config/h8300/crti.S.
	* config/h8300/crtn.asm: Move to ../libgcc/config/h8300/crtn.S.
	* config/h8300/t-elf: Remove.
	* config/i386/cygming-crtbegin.c, config/i386/cygming-crtend.c:
	Move to ../libgcc/config/i386.
	* config/i386/t-crtstuff: Remove.
	* config/i386/t-i386elf: Remove.
	* config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Remove.
	* config/i386/t-nto (CRTSTUFF_T_CFLAGS, EXTRA_PARTS): Remove.
	* config/ia64/crtbegin.asm: Move to
	../libgcc/config/ia64/crtbegin.S.
	* config/ia64/crtend.asm: Move to
	../libgcc/config/ia64/crtend.S.
	* config/ia64/crti.asm: Move to ../libgcc/config/ia64/crti.S.
	* config/ia64/crtn.asm: Move to ../libgcc/config/ia64/crtn.S.
	* config/ia64/t-vms: Remove.
	* config/ia64/vms-crtinit.asm: Move to
	../libgcc/config/ia64/vms-crtinit.S.
	* config/m32c/t-m32c (EXTRA_MULTILIB_PARTS): Remove.
	* config/m32r/initfini.c: Move to ../libgcc/config/m32r.
	* config/m32r/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/m32r/t-m32r (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crtinit.o, $(T)crtfini.o): Remove.
	(m32rx, m32r2): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/m68k/crti.s: Move to ../libgcc/config/m68k/crti.S.
	* config/m68k/crtn.s: Move to ../libgcc/config/m68k/crtn.S.
	* config/m68k/t-crtstuff: Remove.
	* config/m68k/t-linux (EXTRA_MULTILIB_PARTS): Remove.
	* config/m68k/t-m68kelf: Remove.
	* config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Remove.
	* config/mcore/crti.asm: Move to ../libgcc/config/mcore/crti.S.
	* config/mcore/crtn.asm: Move to ../libgcc/config/mcore/crtn.S.
	* config/mcore/t-mcore ($(T)crti.o, $(T)crtn.o): Remove.
	(EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Remove.
	* config/mep/t-mep (CRTSTUFF_CFLAGS): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/microblaze/crti.s: Move to ../libgcc/config/microblaze/crti.S.
	* config/microblaze/crtn.s: Move to ../libgcc/config/microblaze/crtn.S.
	* config/microblaze/t-microblaze (EXTRA_MULTILIB_PARTS,
	EXTRA_PARTS): Remove.
	($(T)crti$(objext), $(T)crtn$(objext)): Remove.
	* config/mips/crti.asm: Move to ../libgcc/config/mips/crti.S.
	* config/mips/crtn.asm: Move to ../libgcc/config/mips/crtn.S.
	* config/mips/t-elf (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/mips/t-isa3264: Likewise.
	* config/mips/t-linux64 (EXTRA_MULTILIB_PARTS): Remove.
	* config/mips/t-r3900 (EXTRA_MULTILIB_PARTS): Remove.
	(CRTSTUFF_T_CFLAGS): Remove.
	* config/mips/t-sde (CRTSTUFF_T_CFLAGS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/mips/t-sr71k (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS):
	Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/mips/t-st (EXTRA_MULTILIB_PARTS): Remove.
	* config/mips/t-vr (CRTSTUFF_T_CFLAGS): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	($(T)crti.o, $(T)crtn.o): Remove.
	* config/mmix/crti.asm: Move to ../libgcc/config/crti.S.
	* config/mmix/crtn.asm: Move to ../libgcc/config/crtn.S.
	* config/mmix/t-mmix (CRTSTUFF_T_CFLAGS): Remove.
	* config/moxie/crti.asm, config/moxie/crtn.asm: Remove.
	* config/pa/stublib.c: Move to libgcc/config/pa.
	* config/pa/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/pa/t-linux64 (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/pa/t-pa-hpux11 (LIBGCCSTUB_OBJS, stublib.c): Remove.
	(pthread_default_stacksize_np-stub.o, pthread_mutex_lock-stub.o)
	(pthread_mutex_unlock-stub.o, pthread_once-stub.o)
	($(T)libgcc_stub.a): Remove.
	* config/pa/t-pa64 (LIBGCCSTUB_OBJS, stublib.c): Remove.
	(rfi-stub.o, dfi-stub.o, cxaf-stub.o, jvrc-stub.o)
	(pthread_default_stacksize_np-stub.o, pthread_mutex_lock-stub.o)
	(pthread_mutex_unlock-stub.o, pthread_once-stub.o)
	($(T)libgcc_stub.a): Remove.
	* config/rs6000/eabi-cn.asm: Move to
	../../../libgcc/config/rs6000/eabi-cn.S.
	* config/rs6000/eabi-ci.asm: Move to
	../../../libgcc/config/rs6000/eabi-ci.S.
	* config/rs6000/sol-ci.asm: Move to
	../../../libgcc/config/rs6000/sol-ci.S.
	* config/rs6000/sol-cn.asm: Move to
	../../../libgcc/config/rs6000/sol-cn.S.
	* config/rs6000/t-lynx (EXTRA_MULTILIB_PARTS): Remove.
	(CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove.
	* config/rs6000/t-netbsd (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S):
	Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Remove.
	(ecrti.S, ecrtn.S, ncrti.S, ncrtn.S): Remove.
	($(T)ecrti$(objext), $(T)ecrtn$(objext), $(T)ncrti$(objext),
	$(T)ncrtn$(objext)): Remove.
	(CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Remove.
	* config/rs6000/t-vxworks (EXTRA_MULTILIB_PARTS): Remove.
	* config/rx/t-rx (EXTRA_MULTILIB_PARTS): Remove.
	* config/score/crti.asm: Move to ../libgcc/config/score/crti.S.
	* config/score/crtn.asm: Move to ../libgcc/config/score/crtn.S.
	* config/score/t-score-elf: Remove.
	* config/sh/crt1.asm: Move to ../libgcc/config/sh/crt1.S.
	* config/sh/crti.asm: Move to ../libgcc/config/sh/crti.S.
	* config/sh/crtn.asm: Move to ../libgcc/config/sh/crtn.S.
	* config/sh/lib1funcs-4-300.asm: Move to
	../../../libgcc/config/sh/lib1funcs-4-300.S.
	* config/sh/lib1funcs-Os-4-200.asm: Move to
	../libgcc/config/sh/lib1funcs-Os-4-200.S.
	* config/sh/t-elf: Remove.
	* config/sh/t-linux (EXTRA_MULTILIB_PARTS): Remove.
	* config/sh/t-linux64: Remove.
	* config/sh/t-netbsd (EXTRA_MULTILIB_PARTS): Remove.
	* config/sh/t-sh ($(T)crt1.o, $(T)crti.o, $(T)crtn.o): Remove.
	(IC_EXTRA_PARTS, OPT_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Remove.
	($(T)ic_invalidate_array_4-100.o)
	($(T)libic_invalidate_array_4-100.a)
	($(T)ic_invalidate_array_4-200.o)
	($(T)libic_invalidate_array_4-200.a, $(T)ic_invalidate_array_4a.o)
	($(T)libic_invalidate_array_4a.a, $(T)sdivsi3_i4i-Os-4-200.o)
	($(T)udivsi3_i4i-Os-4-200.o, $(T)unwind-dw2-Os-4-200.o)
	($(T)libgcc-Os-4-200.a, $(T)div_table-4-300.o)
	($(T)libgcc-4-300.a): Remove.
	* config/sh/t-superh: Remove.
	* config/sh/t-vxworks (EXTRA_MULTILIB_PARTS): Remove.
	* config/sparc/t-linux64 (CRTSTUFF_T_CFLAGS): Remove.
	* config/spu/cache.S: Move to ../libgcc/config/spu.
	* config/spu/cachemgr.c: Move to ../libgcc/config/spu.
	* config/spu/t-spu-elf (CRTSTUFF_T_CFLAGS): Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	($(T)cachemgr.o, $(T)cachemgr_nonatomic.o, $(T)libgcc_%.a): Remove.
	($(T)cache8k.o, $(T)cache16k.o, $(T)cache32k.o, $(T)cache32k.o)
	($(T)cache64k.o, $(T)cache128k.o): Remove.
	* config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-libc-ok: Remove.
	* config/t-linux (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-lynx (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-netbsd: Remove.
	* config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Remove.
	* config/t-vxworks (EXTRA_MULTILIB_PARTS): Remove.
	* config/vms/t-vms (VMS_EXTRA_PARTS): Remove.
	($(T)vcrt0.o, $(T)pcrt0.o): Remove.
	* config/vms/vms-ucrt0.c: Move to ../libgcc/config/vms.
	* config/xtensa/crti.asm: Move to ../libgcc/config/xtensa/crti.S.
	* config/xtensa/crtn.asm: Move to ../libgcc/config/xtensa/crtn.S.
	* config/xtensa/t-elf (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S):
	Remove.
	(EXTRA_MULTILIB_PARTS): Remove.
	* config/xtensa/t-linux: Remove.
	* config/xtensa/t-xtensa ($(T)crti.o, $(T)crtn.o): Remove.

	gcc/po:
	* EXCLUDES (crtstuff.c): Remove.

	libgcc:
	* crtstuff.c: New file.
	* Makefile.in (CRTSTUFF_CFLAGS): Define.
	(CRTSTUFF_T_CFLAGS): Define.
	(extra-parts, INSTALL_PARTS): Remove conditional assignments.
	(crtbegin$(objext), crtend$(objext), crtbeginS$(objext))
	(crtendS$(objext), crtbeginT.o): Use $(srcdir) to refer to
	crtstuff.c.
	Use $<.
	(crtbeginT.o): Use $(objext).
	[!CUSTOM_CRTIN] (crti$(objext), crtn$(objext)): New rules.
	(libgcc-extra-parts): Don't compare EXTRA_PARTS, GCC_EXTRA_PARTS.
	(gcc-extra-parts): Remove.
	* config.host (*-*-freebsd*): Add t-crtstuff-pic to tmake_file.
	Set extra_parts.
	(*-*-linux*, frv-*-*linux*, *-*-kfreebsd*-gnu, *-*-knetbsd*-gnu,
	*-*-gnu*): Also handle *-*-kopensolaris*-gnu.
	Add t-crtstuff-pic to tmake_file.
	(*-*-lynxos*): New case.
	Set tmake_file, extra_parts.
	(*-*-netbsd*): Add t-crtstuff-pic to tmake_file.
	Set extra_parts for *-*-netbsd*1.[7-9]*, *-*-netbsd[2-9]*,
	*-*-netbsdelf[2-9]*.
	(*-*-openbsd*): Add t-crtstuff-pic to tmake_file.
	(*-*-rtems*): Set extra_parts.
	(*-*-solaris2*): Remove t-crtin from tmake_file for Solaris < 10.
	(*-*-uclinux*): New case.
	Set extra_parts.
	(*-*-vms*): New case.
	Set tmake_file, extra_parts.
	(*-*-elf): Set extra_parts.
	(alpha*-*-freebsd*): Add crtbeginT.o to extra_parts.
	(alpha64-dec-*vms*): Append to tmake_file, remove vms/t-vms,
	vms/t-vms64.
	Set extra_parts.
	(alpha*-dec-*vms*): Append to tmake_file, remove vms/t-vms.
	Set extra_parts.
	(arm*-*-freebsd*): Add t-crtin to tmake_file.
	Add crtbegin.o, crtend.o, crti.o, crtn.o to extra_parts.
	(arm-wrs-vxworks): Append to tmake_file.
	Set extra_parts.
	(arm*-*-uclinux*): Set extra_parts.
	(arm*-*-ecos-elf): Likewise.
	(arm*-*-eabi*, arm*-*-symbianelf*): Set extra_parts for
	arm*-*-eabi*.
	(arm*-*-rtems*): Set extra_parts.
	(arm*-*-elf): Likewise.
	(avr-*-rtems*): Clear extra_parts.
	(bfin*-elf*): Add bfin/t-crtlibid, bfin/t-crtstuff to extra_parts.
	Set extra_parts.
	(bfin*-uclinux*): Likewise.
	(bfin*-linux-uclibc*): Add bfin/t-crtstuff to tmake_file.
	(bfin*-rtems*): Append to tmake_file.
	Set extra_parts.
	(bfin*-*): Likewise.
	(crisv32-*-elf, crisv32-*-none, cris-*-elf, cris-*-none): Split into ...
	(crisv32-*-elf): ... this.
	(crisv32-*-none): ... this.
	(cris-*-elf, cris-*-none): New cases.
	Add cris/t-elfmulti to tmake_file.
	(fr30-*-elf): Append to tmake_file.
	Set extra_parts.
	(frv-*-elf): Append to tmake_file, add frv/t-frv.
	Set extra_parts.
	(h8300-*-rtems*): Append to tmake_file.
	Set extra_parts.
	(h8300-*-elf*): Likewise.
	(hppa*64*-*-hpux11*): Add pa/t-stublib, pa/t-stublib64 to tmake_file.
	Set extra_parts.
	(hppa[12]*-*-hpux11*): Add pa/t-stublib to tmake_file.
	Set extra_parts.
	(i[34567]86-*-elf*): Add i386/t-crtstuff, t-crtstuff-pic to tmake_file.
	(x86_64-*-elf*): Likewise.
	(i[34567]86-*-freebsd*): Add i386/t-crtstuff to tmake_file.
	(x86_64-*-freebsd*): Likewise.
	(x86_64-*-netbsd*): Likewise.
	(i[34567]86-*-linux*): Likewise.
	(i[34567]86-*-kfreebsd*-gnu, i[34567]86-*-knetbsd*-gnu)
	(i[34567]86-*-gnu*, i[34567]86-*-kopensolaris*-gnu): Likewise.
	(x86_64-*-linux*): Likewise.
	(x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu): Likewise.
	(i[34567]86-*-lynxos*): Add t-crtstuff-pic, i386/t-crtstuff to
	tmake_file.
	Set extra_parts.
	(i[34567]86-*-nto-qnx*): Set tmake_file, extra_parts.
	(i[34567]86-*-rtems*): Append to tmake_file, remove t-crtin.
	Append to extra_parts, remove crtbegin.o, crtend.o.
	(ia64*-*-elf*): Append to extra_parts, remove crtbegin.o, crtend.o.
	(ia64*-*-freebsd*): Append to extra_parts, remove crtbegin.o,
	crtend.o, crtbeginS.o, crtendS.o.
	(ia64*-*-linux*): Comment extra_parts.
	(ia64-hp-*vms*): Append to tmake_file, remove vms/t-vms, vms/t-vms64.
	Set extra_parts.
	(iq2000*-*-elf*): Clear extra_parts.
	(lm32-*-elf*, lm32-*-rtems*): Add t-crtin to tmake_file.
	(lm32-*-uclinux*): Add to extra_parts, remove crtbegin.o, crtend.o
	(m32r-*-elf*, m32r-*-rtems*): Split off ...
	(m32r-*-rtems*): ... this.
	Add m32r/t-m32r to tmake_file.
	(m68k-*-elf*): Add t-crtin to tmake_file.
	(m68k-*-rtems*): Add crti.o, crtn.o to extra_parts.
	(mcore-*-elf): Likewise.
	(microblaze*-*-*): Set extra_parts.
	(mips*-sde-elf*): New case.
	Set tmake_file, extra_parts.
	(mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
	(mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
	(mipsisa64r2-*-elf*, mipsisa64r2el-*-elf*): Add mips/t-crtstuff to
	tmake_file.
	Set extra_parts.
	(mipsisa64sr71k-*-elf*): Likewise.
	(mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*): Likewise.
	(mips-*-elf*, mipsel-*-elf*): Likewise.
	(mips64-*-elf*, mips64el-*-elf*): Likewise.
	(mips64vr-*-elf*, mips64vrel-*-elf*): Likewise.
	(mips64orion-*-elf*,  mips64orionel-*-elf*): Likewise.
	(mips*-*-rtems*): Likewise.
	(mipstx39-*-elf*, mipstx39el-*-elf*): Likewise.
	(moxie-*-*): Split into ...
	(moxie-*-elf, moxie-*-uclinux*): ... this.
	Add to extra_parts, remove crtbegin.o, crtend.o.
	(moxie-*-rtems*): New case.
	Set tmake_file.
	Clear extra_parts.
	(powerpc-*-freebsd*): Add rs6000/t-crtstuff to tmake_file.
	Set extra_parts.
	(powerpc-*-netbsd*): Add rs6000/t-netbsd to tmake_file.
	(powerpc-*-eabispe*): Add rs6000/t-crtstuff, t-crtstuff-pic to
	tmake_file.
	Set extra_parts.
	(powerpc-*-eabisimaltivec*): Add to tmake_file, add rs6000/t-ppccomm,
	rs6000/t-crtstuff, t-crtstuff-pic to tmake_file.
	Set extra_parts.
	(powerpc-*-eabisim*): Likewise.
	(powerpc-*-elf*): Likewise.
	(powerpc-*-eabialtivec*): Likewise.
	(powerpc-xilinx-eabi*): Likewise.
	(powerpc-*-eabi*): Likewise.
	(powerpc-*-rtems*): Likewise.
	(powerpc-*-linux*, powerpc64-*-linux*): Add rs6000/t-crtstuff to
	tmake_file.
	Set extra_parts.
	(powerpc-*-lynxos*): Add to tmake_file.
	(powerpcle-*-elf*): Add to tmake_file, add rs6000/t-ppccomm,
	rs6000/t-crtstuff, t-crtstuff-pic.
	Set extra_parts.
	(powerpcle-*-eabisim*): Likewise.
	(powerpcle-*-eabi*): Likewise.
	(rx-*-elf): Remove extra_parts.
	(s390x-ibm-tpf*): Set extra_parts.
	(score-*-elf): Set extra_parts.
	(sh-*-elf*, sh[12346l]*-*-elf*, sh-*-linux*)
	(sh[2346lbe]*-*-linux*, sh-*-netbsdelf*, shl*-*-netbsdelf*)
	(sh5-*-netbsd*, sh5l*-*-netbsd*, sh64-*-netbsd*)
	(sh64l*-*-netbsd*): Split into ...
	(sh-*-elf*, sh[12346l]*-*-elf*): ... this.
	Add t-crtstuff-pic to tmake_file.
	Set extra_parts.
	(sh-*-rtems*): Add to tmake_file, add t-crtstuff-pic.
	Set extra_parts.
	(sh-wrs-vxworks): Add to tmake_file, add t-crtstuff-pic.
	(sparc-*-elf*): Remove t-crtin from tmake_file.
	Add to extra_parts, remove crtbegin.o, crtend.o.
	(sparc-*-linux*): Add sparc/t-linux64 to tmake_file.
	(sparc64-*-linux*): Likewise.
	(sparc-*-rtems*): Remove sparc/t-elf from tmake_file.
	Add to extra_parts, remove crtbegin.o, crtend.o.
	(sparc64-*-elf*): Remove t-crtin from tmake_file.
	Add to extra_parts, remove crtbegin.o, crtend.o.
	(sparc64-*-rtems*): Remove t-crtin from tmake_file.
	Add to extra_parts, remove crtbegin.o, crtend.o.
	(sparc64-*-freebsd*, ultrasparc-*-freebsd*): Add to extra_parts.
	(sparc64-*-linux*): Add sparc/t-linux64 to tmake_file.
	(spu-*-elf*): Add to tmake_file, add spu/t-elf.
	Set extra_parts.
	(tic6x-*-uclinux): Add c6x/t-uxlinux, t-crtstuff-pic to tmake_file.
	Set extra_parts.
	(tic6x-*-*): Change to ...
	(tic6x-*-elf): ... this.
	Set extra_parts.
	(xtensa*-*-elf*): Add to tmake_file, add xtensa/t-elf.
	Set extra_parts.
	(am33_2.0-*-linux*): Add comment.
	(mep*-*-*): Add mep/t-mep to tmake_file.
	Set extra_parts.
	* config/alpha/t-vms: New file.
	* config/alpha/vms-dwarf2.S, config/alpha/vms-dwarf2eh.S: New files.
	* config/arm/crti.S, config/arm/crtn.S: New files.
	* config/bfin/crti.S, config/bfin/crtn.S: New files.
	* config/bfin/crtlibid.S: New file.
	* config/bfin/t-crtlibid, config/bfin/t-crtstuff: New files.
	* config/c6x/crti.S, config/c6x/crtn.S: New files.
	* config/c6x/t-elf (CUSTOM_CRTIN): Set.
	(crti.o, crtin.o): New rules.
	(CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Set.
	* config/c6x/t-uclinux: New file.
	* config/cris/t-elfmulti: New file.
	* config/cris/t-linux (CRTSTUFF_T_CFLAGS_S): Set.
	* config/fr30/crti.S, config/fr30/crtn.S: New files.
	* config/frv/frvbegin.c, config/frv/frvend.c: New files.
	* config/frv/t-frv: New file.
	* config/frv/t-linux (CRTSTUFF_T_CFLAGS): Set.
	* config/h8300/crti.S, config/h8300/crtn.S: New files.
	* config/i386/cygming-crtbegin.c, config/i386/cygming-crtend.c:
	New files.
	* config/i386/t-cygming (crtbegin.o, crtend.o): Use $(srcdir) to
	refer to cygming-crtbegin.c, cygming-crtend.c.
	Use $<.
	* config/i386/t-nto: New file.
	* config/ia64/crtbegin.S, config/ia64/crtend.S: New files.
	* config/ia64/crti.S, config/ia64/crtn.S: New files.
	* config/ia64/t-ia64 (crtbegin.o, crtend.o, crtbeginS.o,
	crtendS.o): Use $(srcdir) to refer to crtbegin.S, crtend.S.
	Use .S extension.
	Use $<.
	* config/ia64/t-vms (CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S): Set.
	(crtinitS.o): New rule.
	* config/ia64/vms-crtinit.S: New file.
	* config/lm32/t-elf ($(T)crti.o, $(T)crtn.o): Remove.
	* config/m32r/initfini.c: New file.
	* config/m32r/t-linux, config/m32r/t-m32r: New files.
	* config/m68k/crti.S, config/m68k/crtn.S: New files.
	* config/mcore/crti.S, config/mcore/crtn.S: New files.
	* config/mep/t-mep: New file.
	* config/microblaze/crti.S, config/microblaze/crtn.S: New files.
	* config/microblaze/t-microblaze (MULTILIB_OPTIONS): Remove.
	* config/mips/crti.S, config/mips/crtn.S: New files.
	* config/mips/t-crtstuff: New file.
	* config/mmix/crti.S, config/mmix/crtn.S: New files.
	* config/mmix/t-mmix (CRTSTUFF_T_CFLAGS): Set.
	(CUSTOM_CRTIN): Set.
	($(T)crti.o, $(T)crtn.o): Remove $(T),
	dependencies.
	Use $(srcdir) to refer to crti.S, crtn.S.
	Use .S extension, $<.
	* config/moxie/crti.asm: Rename to ...
	* config/moxie/crti.S: ... this.
	* config/moxie/crtn.asm: Rename to ...
	* config/moxie/crtn.S: ... this.
	* config/moxie/t-moxie: Remove.
	* config/pa/stublib.c: New file.
	* config/pa/t-stublib, config/pa/t-stublib64: New files.
	* config/rs6000/eabi-ci.S, config/rs6000/eabi-cn.S: New files.
	* config/rs6000/sol-ci.S, config/rs6000/sol-cn.S: New files.
	* config/rs6000/t-crtstuff: New file.
	* config/rs6000/t-ppccomm (EXTRA_PARTS): Remove.
	(ecrti.S, ecrtn.S, ncrti.S, ncrtn.S): Remove.
	(ecrti$(objext)): Depend on $(srcdir)/config/rs6000/eabi-ci.S.
	Make output file explicit.
	(ecrtn$(objext)): Depend on $(srcdir)/config/rs6000/eabi-cn.S.
	Make output file explicit.
	(ncrti$(objext): Depend on $(srcdir)/config/rs6000/sol-ci.S.
	Make output file explicit.
	(ncrtn$(objext)): Depend on $(srcdir)/config/rs6000/sol-cn.S.
	Make output file explicit.
	* config/score/crti.S, config/score/crtn.S: New files.
	* config/sh/crt1.S, config/sh/crti.S, config/sh/crtn.S: New files.
	* config/sh/lib1funcs-4-300.S, config/sh/lib1funcs-Os-4-200.S: New
	files.
	* config/sh/t-sh, config/sh/t-superh: New files.
	* config/sparc/t-linux64: New file.
	* config/spu/cache.S, config/spu/cachemgr.c: New files.
	* config/spu/t-elf (CRTSTUFF_T_CFLAGS): Set.
	(cachemgr.o, cachemgr_nonatomic.o, libgcc_%.a, cache8k.o)
	(cache16k.o, cache32k.o, cache64k.o, cache128k.o): New rules.
	* config/t-crtin: Remove.
	* config/t-crtstuff-pic: New file.
	* config/t-sol2 (CUSTOM_CRTIN): Set.
	(crti.o, crtn.o): New rules.
	* config/vms/t-vms: New file.
	* config/vms/vms-ucrt0.c: New file.
	* config/xtensa/t-elf: New file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180771 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 513 insertions, 0 deletions

diff --git a/libgcc/config/spu/cache.S b/libgcc/config/spu/cache.S
new file mode 100644
index 00000000000..9ffb6a0d194
--- /dev/null
+++ b/libgcc/config/spu/cache.S
@@ -0,0 +1,43 @@
+/* Copyright (C) 2008, 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/>.  */
+
+	.data
+	.p2align 7
+	.global __cache
+__cache:
+	.rept __CACHE_SIZE__ * 8
+	.fill 128
+	.endr
+
+	.p2align 7
+	.global __cache_tag_array
+__cache_tag_array:
+	.rept __CACHE_SIZE__ * 2
+	.long 1, 1, 1, 1
+	.fill 128-16
+	.endr
+__end_cache_tag_array:
+
+	.globl __cache_tag_array_size
+	.set __cache_tag_array_size, __end_cache_tag_array-__cache_tag_array
+
diff --git a/libgcc/config/spu/cachemgr.c b/libgcc/config/spu/cachemgr.c
new file mode 100644
index 00000000000..e7abd5e62db
--- /dev/null
+++ b/libgcc/config/spu/cachemgr.c
@@ -0,0 +1,438 @@
+/* Copyright (C) 2008, 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>
+#include <spu_internals.h>
+#include <spu_intrinsics.h>
+#include <spu_cache.h>
+
+extern unsigned long long __ea_local_store;
+extern char __cache_tag_array_size;
+
+#define LINE_SIZE 128
+#define TAG_MASK (LINE_SIZE - 1)
+
+#define WAYS 4
+#define SET_MASK ((int) &__cache_tag_array_size - LINE_SIZE)
+
+#define CACHE_LINES ((int) &__cache_tag_array_size /		\
+		     sizeof (struct __cache_tag_array) * WAYS)
+
+struct __cache_tag_array
+{
+  unsigned int tag_lo[WAYS];
+  unsigned int tag_hi[WAYS];
+  void *base[WAYS];
+  int reserved[WAYS];
+  vector unsigned short dirty_bits[WAYS];
+};
+
+extern struct __cache_tag_array __cache_tag_array[];
+extern char __cache[];
+
+/* In order to make the code seem a little cleaner, and to avoid having
+   64/32 bit ifdefs all over the place, we use macros.  */
+
+#ifdef __EA64__
+typedef unsigned long long addr;
+
+#define CHECK_TAG(_entry, _way, _tag)			\
+  ((_entry)->tag_lo[(_way)] == ((_tag) & 0xFFFFFFFF)	\
+   && (_entry)->tag_hi[(_way)] == ((_tag) >> 32))
+
+#define GET_TAG(_entry, _way) \
+  ((unsigned long long)(_entry)->tag_hi[(_way)] << 32	\
+   | (unsigned long long)(_entry)->tag_lo[(_way)])
+
+#define SET_TAG(_entry, _way, _tag)			\
+  (_entry)->tag_lo[(_way)] = (_tag) & 0xFFFFFFFF;	\
+  (_entry)->tag_hi[(_way)] = (_tag) >> 32
+
+#else /*__EA32__*/
+typedef unsigned long addr;
+
+#define CHECK_TAG(_entry, _way, _tag)			\
+  ((_entry)->tag_lo[(_way)] == (_tag))
+
+#define GET_TAG(_entry, _way)				\
+  ((_entry)->tag_lo[(_way)])
+
+#define SET_TAG(_entry, _way, _tag)			\
+  (_entry)->tag_lo[(_way)] = (_tag)
+
+#endif
+
+/* In GET_ENTRY, we cast away the high 32 bits,
+   as the tag is only in the low 32.  */
+
+#define GET_ENTRY(_addr)						   \
+  ((struct __cache_tag_array *)						   \
+   si_to_uint (si_a (si_and (si_from_uint ((unsigned int) (addr) (_addr)), \
+			     si_from_uint (SET_MASK)),			   \
+	       si_from_uint ((unsigned int) __cache_tag_array))))
+
+#define GET_CACHE_LINE(_addr, _way) \
+  ((void *) (__cache + ((_addr) & SET_MASK) * WAYS) + ((_way) * LINE_SIZE));
+
+#define CHECK_DIRTY(_vec) (si_to_uint (si_orx ((qword) (_vec))))
+#define SET_EMPTY(_entry, _way) ((_entry)->tag_lo[(_way)] = 1)
+#define CHECK_EMPTY(_entry, _way) ((_entry)->tag_lo[(_way)] == 1)
+
+#define LS_FLAG 0x80000000
+#define SET_IS_LS(_entry, _way) ((_entry)->reserved[(_way)] |= LS_FLAG)
+#define CHECK_IS_LS(_entry, _way) ((_entry)->reserved[(_way)] & LS_FLAG)
+#define GET_LRU(_entry, _way) ((_entry)->reserved[(_way)] & ~LS_FLAG)
+
+static int dma_tag = 32;
+
+static void
+__cache_evict_entry (struct __cache_tag_array *entry, int way)
+{
+  addr tag = GET_TAG (entry, way);
+
+  if (CHECK_DIRTY (entry->dirty_bits[way]) && !CHECK_IS_LS (entry, way))
+    {
+#ifdef NONATOMIC
+      /* Non-atomic writes.  */
+      unsigned int oldmask, mach_stat;
+      char *line = ((void *) 0);
+
+      /* Enter critical section.  */
+      mach_stat = spu_readch (SPU_RdMachStat);
+      spu_idisable ();
+
+      /* Issue DMA request.  */
+      line = GET_CACHE_LINE (entry->tag_lo[way], way);
+      mfc_put (line, tag, LINE_SIZE, dma_tag, 0, 0);
+
+      /* Wait for DMA completion.  */
+      oldmask = mfc_read_tag_mask ();
+      mfc_write_tag_mask (1 << dma_tag);
+      mfc_read_tag_status_all ();
+      mfc_write_tag_mask (oldmask);
+
+      /* Leave critical section.  */
+      if (__builtin_expect (mach_stat & 1, 0))
+	spu_ienable ();
+#else
+      /* Allocate a buffer large enough that we know it has 128 bytes
+         that are 128 byte aligned (for DMA). */
+
+      char buffer[LINE_SIZE + 127];
+      qword *buf_ptr = (qword *) (((unsigned int) (buffer) + 127) & ~127);
+      qword *line = GET_CACHE_LINE (entry->tag_lo[way], way);
+      qword bits;
+      unsigned int mach_stat;
+
+      /* Enter critical section.  */
+      mach_stat = spu_readch (SPU_RdMachStat);
+      spu_idisable ();
+
+      do
+	{
+	  /* We atomically read the current memory into a buffer
+	     modify the dirty bytes in the buffer, and write it
+	     back. If writeback fails, loop and try again.  */
+
+	  mfc_getllar (buf_ptr, tag, 0, 0);
+	  mfc_read_atomic_status ();
+
+	  /* The method we're using to write 16 dirty bytes into
+	     the buffer at a time uses fsmb which in turn uses
+	     the least significant 16 bits of word 0, so we
+	     load the bits and rotate so that the first bit of
+	     the bitmap is in the first bit that fsmb will use.  */
+
+	  bits = (qword) entry->dirty_bits[way];
+	  bits = si_rotqbyi (bits, -2);
+
+	  /* Si_fsmb creates the mask of dirty bytes.
+	     Use selb to nab the appropriate bits.  */
+	  buf_ptr[0] = si_selb (buf_ptr[0], line[0], si_fsmb (bits));
+
+	  /* Rotate to next 16 byte section of cache.  */
+	  bits = si_rotqbyi (bits, 2);
+
+	  buf_ptr[1] = si_selb (buf_ptr[1], line[1], si_fsmb (bits));
+	  bits = si_rotqbyi (bits, 2);
+	  buf_ptr[2] = si_selb (buf_ptr[2], line[2], si_fsmb (bits));
+	  bits = si_rotqbyi (bits, 2);
+	  buf_ptr[3] = si_selb (buf_ptr[3], line[3], si_fsmb (bits));
+	  bits = si_rotqbyi (bits, 2);
+	  buf_ptr[4] = si_selb (buf_ptr[4], line[4], si_fsmb (bits));
+	  bits = si_rotqbyi (bits, 2);
+	  buf_ptr[5] = si_selb (buf_ptr[5], line[5], si_fsmb (bits));
+	  bits = si_rotqbyi (bits, 2);
+	  buf_ptr[6] = si_selb (buf_ptr[6], line[6], si_fsmb (bits));
+	  bits = si_rotqbyi (bits, 2);
+	  buf_ptr[7] = si_selb (buf_ptr[7], line[7], si_fsmb (bits));
+	  bits = si_rotqbyi (bits, 2);
+
+	  mfc_putllc (buf_ptr, tag, 0, 0);
+	}
+      while (mfc_read_atomic_status ());
+
+      /* Leave critical section.  */
+      if (__builtin_expect (mach_stat & 1, 0))
+	spu_ienable ();
+#endif
+    }
+
+  /* In any case, marking the lo tag with 1 which denotes empty.  */
+  SET_EMPTY (entry, way);
+  entry->dirty_bits[way] = (vector unsigned short) si_from_uint (0);
+}
+
+void
+__cache_evict (__ea void *ea)
+{
+  addr tag = (addr) ea & ~TAG_MASK;
+  struct __cache_tag_array *entry = GET_ENTRY (ea);
+  int i = 0;
+
+  /* Cycles through all the possible ways an address could be at
+     and evicts the way if found.  */
+
+  for (i = 0; i < WAYS; i++)
+    if (CHECK_TAG (entry, i, tag))
+      __cache_evict_entry (entry, i);
+}
+
+static void *
+__cache_fill (int way, addr tag)
+{
+  unsigned int oldmask, mach_stat;
+  char *line = ((void *) 0);
+
+  /* Reserve our DMA tag.  */
+  if (dma_tag == 32)
+    dma_tag = mfc_tag_reserve ();
+
+  /* Enter critical section.  */
+  mach_stat = spu_readch (SPU_RdMachStat);
+  spu_idisable ();
+
+  /* Issue DMA request.  */
+  line = GET_CACHE_LINE (tag, way);
+  mfc_get (line, tag, LINE_SIZE, dma_tag, 0, 0);
+
+  /* Wait for DMA completion.  */
+  oldmask = mfc_read_tag_mask ();
+  mfc_write_tag_mask (1 << dma_tag);
+  mfc_read_tag_status_all ();
+  mfc_write_tag_mask (oldmask);
+
+  /* Leave critical section.  */
+  if (__builtin_expect (mach_stat & 1, 0))
+    spu_ienable ();
+
+  return (void *) line;
+}
+
+static void
+__cache_miss (__ea void *ea, struct __cache_tag_array *entry, int way)
+{
+
+  addr tag = (addr) ea & ~TAG_MASK;
+  unsigned int lru = 0;
+  int i = 0;
+  int idx = 0;
+
+  /* If way > 4, then there are no empty slots, so we must evict
+     the least recently used entry. */
+  if (way >= 4)
+    {
+      for (i = 0; i < WAYS; i++)
+	{
+	  if (GET_LRU (entry, i) > lru)
+	    {
+	      lru = GET_LRU (entry, i);
+	      idx = i;
+	    }
+	}
+      __cache_evict_entry (entry, idx);
+      way = idx;
+    }
+
+  /* Set the empty entry's tag and fill it's cache line. */
+
+  SET_TAG (entry, way, tag);
+  entry->reserved[way] = 0;
+
+  /* Check if the address is just an effective address within the
+     SPU's local store. */
+
+  /* Because the LS is not 256k aligned, we can't do a nice and mask
+     here to compare, so we must check the whole range.  */
+
+  if ((addr) ea >= (addr) __ea_local_store
+      && (addr) ea < (addr) (__ea_local_store + 0x40000))
+    {
+      SET_IS_LS (entry, way);
+      entry->base[way] =
+	(void *) ((unsigned int) ((addr) ea -
+				  (addr) __ea_local_store) & ~0x7f);
+    }
+  else
+    {
+      entry->base[way] = __cache_fill (way, tag);
+    }
+}
+
+void *
+__cache_fetch_dirty (__ea void *ea, int n_bytes_dirty)
+{
+#ifdef __EA64__
+  unsigned int tag_hi;
+  qword etag_hi;
+#endif
+  unsigned int tag_lo;
+  struct __cache_tag_array *entry;
+
+  qword etag_lo;
+  qword equal;
+  qword bit_mask;
+  qword way;
+
+  /* This first chunk, we merely fill the pointer and tag.  */
+
+  entry = GET_ENTRY (ea);
+
+#ifndef __EA64__
+  tag_lo =
+    si_to_uint (si_andc
+		(si_shufb
+		 (si_from_uint ((addr) ea), si_from_uint (0),
+		  si_from_uint (0x00010203)), si_from_uint (TAG_MASK)));
+#else
+  tag_lo =
+    si_to_uint (si_andc
+		(si_shufb
+		 (si_from_ullong ((addr) ea), si_from_uint (0),
+		  si_from_uint (0x04050607)), si_from_uint (TAG_MASK)));
+
+  tag_hi =
+    si_to_uint (si_shufb
+		(si_from_ullong ((addr) ea), si_from_uint (0),
+		 si_from_uint (0x00010203)));
+#endif
+
+  /* Increment LRU in reserved bytes.  */
+  si_stqd (si_ai (si_lqd (si_from_ptr (entry), 48), 1),
+	   si_from_ptr (entry), 48);
+
+missreturn:
+  /* Check if the entry's lo_tag is equal to the address' lo_tag.  */
+  etag_lo = si_lqd (si_from_ptr (entry), 0);
+  equal = si_ceq (etag_lo, si_from_uint (tag_lo));
+#ifdef __EA64__
+  /* And the high tag too.  */
+  etag_hi = si_lqd (si_from_ptr (entry), 16);
+  equal = si_and (equal, (si_ceq (etag_hi, si_from_uint (tag_hi))));
+#endif
+
+  if ((si_to_uint (si_orx (equal)) == 0))
+    goto misshandler;
+
+  if (n_bytes_dirty)
+    {
+      /* way = 0x40,0x50,0x60,0x70 for each way, which is also the
+         offset of the appropriate dirty bits.  */
+      way = si_shli (si_clz (si_gbb (equal)), 2);
+
+      /* To create the bit_mask, we set it to all 1s (uint -1), then we
+         shift it over (128 - n_bytes_dirty) times.  */
+
+      bit_mask = si_from_uint (-1);
+
+      bit_mask =
+	si_shlqby (bit_mask, si_from_uint ((LINE_SIZE - n_bytes_dirty) / 8));
+
+      bit_mask =
+	si_shlqbi (bit_mask, si_from_uint ((LINE_SIZE - n_bytes_dirty) % 8));
+
+      /* Rotate it around to the correct offset.  */
+      bit_mask =
+	si_rotqby (bit_mask,
+		   si_from_uint (-1 * ((addr) ea & TAG_MASK) / 8));
+
+      bit_mask =
+	si_rotqbi (bit_mask,
+		   si_from_uint (-1 * ((addr) ea & TAG_MASK) % 8));
+
+      /* Update the dirty bits.  */
+      si_stqx (si_or (si_lqx (si_from_ptr (entry), way), bit_mask),
+	       si_from_ptr (entry), way);
+    };
+
+  /* We've definitely found the right entry, set LRU (reserved) to 0
+     maintaining the LS flag (MSB).  */
+
+  si_stqd (si_andc
+	   (si_lqd (si_from_ptr (entry), 48),
+	    si_and (equal, si_from_uint (~(LS_FLAG)))),
+	   si_from_ptr (entry), 48);
+
+  return (void *)
+    si_to_uint (si_a
+		(si_orx
+		 (si_and (si_lqd (si_from_ptr (entry), 32), equal)),
+		 si_from_uint (((unsigned int) (addr) ea) & TAG_MASK)));
+
+misshandler:
+  equal = si_ceqi (etag_lo, 1);
+  __cache_miss (ea, entry, (si_to_uint (si_clz (si_gbb (equal))) - 16) >> 2);
+  goto missreturn;
+}
+
+void *
+__cache_fetch (__ea void *ea)
+{
+  return __cache_fetch_dirty (ea, 0);
+}
+
+void
+__cache_touch (__ea void *ea __attribute__ ((unused)))
+{
+  /* NO-OP for now.  */
+}
+
+void __cache_flush (void) __attribute__ ((destructor));
+void
+__cache_flush (void)
+{
+  struct __cache_tag_array *entry = __cache_tag_array;
+  unsigned int i;
+  int j;
+
+  /* Cycle through each cache entry and evict all used ways.  */
+
+  for (i = 0; i < CACHE_LINES / WAYS; i++)
+    {
+      for (j = 0; j < WAYS; j++)
+	if (!CHECK_EMPTY (entry, j))
+	  __cache_evict_entry (entry, j);
+
+      entry++;
+    }
+}
diff --git a/libgcc/config/spu/t-elf b/libgcc/config/spu/t-elf
index 7094da526bb..130d5610297 100644
--- a/libgcc/config/spu/t-elf
+++ b/libgcc/config/spu/t-elf
@@ -1,3 +1,35 @@
+# Don't let CTOR_LIST end up in sdata section.
+# FIXME: This is the default.
+CRTSTUFF_T_CFLAGS =
+
+# 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.
+
+cachemgr.o: $(srcdir)/config/spu/cachemgr.c
+	$(gcc_compile) -c $<
+
+# Specialised rule to add a -D flag.
+cachemgr_nonatomic.o: $(srcdir)/config/spu/cachemgr.c
+	$(gcc_compile) -DNONATOMIC -c $<
+
+libgcc_%.a: %.o
+	$(AR_FOR_TARGET) -rcs $@ $<
+
+cache8k.o: $(srcdir)/config/spu/cache.S
+	$(gcc_compile) -D__CACHE_SIZE__=8 -c $<
+
+cache16k.o: $(srcdir)/config/spu/cache.S
+	$(gcc_compile) -D__CACHE_SIZE__=16 -c $<
+
+cache32k.o: $(srcdir)/config/spu/cache.S
+	$(gcc_compile) -D__CACHE_SIZE__=32 -c $<
+
+cache64k.o: $(srcdir)/config/spu/cache.S
+	$(gcc_compile) -D__CACHE_SIZE__=64 -c $<
+
+cache128k.o: $(srcdir)/config/spu/cache.S
+	$(gcc_compile) -D__CACHE_SIZE__=128 -c $<
+
 # We provide our own version of __divdf3 that performs better and has
 # better support for non-default rounding modes.
 DPBIT_FUNCS := $(filter-out _div_df, $(DPBIT_FUNCS))