[ARC] SYNC instruction is valid on all ARC cores.

gcc/
2017-05-03  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/builtins.def (SYNC): SYNC instruction is valid on all
	ARC cores.

From-SVN: r261540

gcc/ChangeLog

 2018-06-12  Claudiu Zissulescu  <claziss@synopsys.com>
 
+	* config/arc/builtins.def (SYNC): SYNC instruction is valid on all
+	ARC cores.
+
+2018-06-12  Claudiu Zissulescu  <claziss@synopsys.com>
+
 	* config/arc/arc.c (atomic_exchangesi): EX instruction is default
 	for ARC700 and ARCv2.
 

gcc/config/arc/builtins.def

@@ -34,7 +34,7 @@
 /* Special builtins.  */
 DEF_BUILTIN (NOP,        0, void_ftype_void,        nothing,     1)
 DEF_BUILTIN (RTIE,       0, void_ftype_void,        rtie,        1)
-DEF_BUILTIN (SYNC,       0, void_ftype_void,        sync,        TARGET_ARC700)
+DEF_BUILTIN (SYNC,       0, void_ftype_void,        sync,        1)
 DEF_BUILTIN (BRK,        0, void_ftype_void,        brk,         1)
 DEF_BUILTIN (SWI,        0, void_ftype_void,        swi,         1)
 DEF_BUILTIN (UNIMP_S,    0, void_ftype_void,        unimp_s,     !TARGET_ARC600_FAMILY)