* config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
(UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
(define_attr "type"): Add isync, sync, load_l, store_c.
* config/rs6000/sync.md (memory_barrier): Change to define_expand.
Create scratch volatile MEM.
(sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
sync.
(load_locked_<mode>): New.
(store_conditional_<mode>): New.
(sync_compare_and_swap<mode>): Replace with splitter.
(sync_lock_test_and_set<mode>): Replace with splitter.
(sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
and UNSPECV_ISYNC.
(isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
is ics. Attribute isync.
(lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
lwsync.
* config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
and UNSPECV_SYNC_OP.
(emit_unlikely_jump): New.
(emit_load_locked): New.
(emit_store_conditional): New.
(rs6000_split_compare_and_swap): New.
(rs6000_split_lock_test_and_set): New.
(is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
* config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
rs6000_split_lock_test_and_set): Declare.
* config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
store_c, isync, sync.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101712 138bc75d-0d04-0410-961f-82ee72b054a4
18 files changed: