Rewrite cpu_thread::suspend_all

Now it's a function of higher order. Make only one thread do the hard work of thread pausing.
2020-10-09 20:33:12 +03:00
parent 6d83c9cc0e
commit 050c3e1d6b
10 changed files with 299 additions and 415 deletions
@@ -201,7 +201,7 @@ asmjit::JitRuntime& asmjit::get_global_runtime()
 	return g_rt;
 }

-void asmjit::build_transaction_enter(asmjit::X86Assembler& c, asmjit::Label fallback, const asmjit::X86Gp& ctr, uint less_than)
+asmjit::Label asmjit::build_transaction_enter(asmjit::X86Assembler& c, asmjit::Label fallback, const asmjit::X86Gp& ctr, uint less_than)
 {
 	Label fall = c.newLabel();
 	Label begin = c.newLabel();
@@ -234,7 +234,10 @@ void asmjit::build_transaction_enter(asmjit::X86Assembler& c, asmjit::Label fall
 	c.jae(fallback);
 	c.align(kAlignCode, 16);
 	c.bind(begin);
-	c.xbegin(fall);
+	return fall;
+
+	// xbegin should be issued manually, allows to add more check before entering transaction
+	//c.xbegin(fall);
 }

 void asmjit::build_transaction_abort(asmjit::X86Assembler& c, unsigned char code)