On 06/23/2011 03:50 PM, Andrew MacLeod wrote:
* doc/extend.texi (__sync_mem_load): Document.
* c-family/c-common.c (resolve_overloaded_builtin): Add
BUILT_IN_SYNC_MEM_LOAD_N.
* optabs.c (expand_sync_mem_load): New.
* optabs.h (enum direct_optab_index): Add
On 06/23/2011 03:50 PM, Andrew MacLeod wrote:
+ (define_expand sync_mem_loadmode
+ [(match_operand:SWI 0 register_operand ) ;; output
+(match_operand:SWI 1 memory_operand );; memory
+(match_operand:SI 2 const_int_operand )];; memory model
+
+ {
+
Here's the patch for __sync_mem_load, complete with tests.
I'll change and correct the actual implementation of the load pattern
later ( I think I have the x86 fence wrong). It occurs to me that if I
implement the __sync_mem_thread_fence (model) routine, then the
appropriate fences can be
