* config/tc-sparc.h (TARGET_FORMAT): Use #ifdef SPARC_ARCH64 instead of
#ifdef sparcv9 when choosing value.
(ENV64): Delete.
(md_end): Define.
(sparc_md_end): Declare.
* config/tc-sparc.c (SPARC_V9): Renamed from sparcv9.
(initial_architecture): New static local.
(can_bump_v9_p): Likewise.
(NO_V9): Delete all occurrences.
(sparc_md_end): New function.
(sparc_ip): New local v9_arg_p. Rework fp reg number test.
Don't bump architecture to v9 unless can_bump_v9_p set.
(md_parse_option): -A<arch> passed, set can_bump_v9_p accordingly.
* configure.in (sparc64 target cpu): Don't set obj_format here.
(SPARC_V9): Renamed from sparcv9.
(sparc64-*-elf*): Define SPARC_ARCH64.
* configure: Regenerated.
* acconfig.h (SPARC_V9): Renamed from sparcv9.
(SPARC_ARCH64): Add.
* config/vmsconf.h: Update.