On 06/21/2011 03:27 PM, Andrew MacLeod wrote:
> * doc/extend.texi (__sync_mem_exchange): Document.
> * cppbuiltin.c (define__GNUC__): Define __SYNC_MEM*.
> * c-family/c-common.c (BUILT_IN_SYNC_MEM_EXCHANGE_N): Add case.
> * optabs.c (expand_sync_mem_exchange): New.
> * optabs.h (enum direct_optab_index): Add DOI_sync_mem_exchange entry.
> (sync_mem_exchange_optab): Define.
> * genopinit.c: Add entry for sync_mem_exchange.
> * builtins.c (get_memmodel): New.
> (expand_builtin_sync_mem_exchange): New.
> (expand_builtin_sync_synchronize): Remove static.
> (expand_builtin): Add cases for BUILT_IN_SYNC_MEM_EXCHANGE_*.
> * sync-builtins.def: Add entries for BUILT_IN_SYNC_MEM_EXCHANGE_*.
> * testsuite/gcc.dg/x86-sync-1.c: New test.
> * builtin-types.def (BT_FN_I{1,2,4,8,16}_VPTR_I{1,2,4,8,16}_INT): New.
> * expr.h (expand_sync_mem_exchange): Declare.
> (expand_builtin_sync_synchronize): Declare.
> * fortran/types.def (BT_FN_I{1,2,4,8,16}_VPTR_I{1,2,4,8,16}_INT): New.
> * coretypes.h (enum memmodel): New.
> * Makefile.in (cppbuiltin.o) Add missing dependency on $(TREE_H)
> * config/i386/sync.md (sync_mem_exchange<mode>): New pattern.
>
Looks good.
r~
