Squashed 'external/xbyak/' content from commit 431abd86

git-subtree-dir: external/xbyak
git-subtree-split: 431abd865e70a46d56f5aa0e1f87572decb60169

sample/stackframe.cpp

@@ -0,0 +1,28 @@
+#include <xbyak/xbyak_util.h>
+
+#ifdef XBYAK32
+	#error "this sample is for only 64-bit mode"
+#endif
+
+struct Code : public Xbyak::CodeGenerator {
+	Code()
+	{
+		// see xbyak/sample/sf_test.cpp for how to use other parameter
+		Xbyak::util::StackFrame sf(this, 3);
+		mov(rax, sf.p[0]);
+		add(rax, sf.p[1]);
+		add(rax, sf.p[2]);
+	}
+};
+
+int main()
+{
+	Code c;
+	int (*f)(int, int, int) = c.getCode<int(*) (int, int, int)>();
+	int ret = f(3, 5, 2);
+	if (ret == 3 + 5 + 2) {
+		puts("ok");
+	} else {
+		puts("ng");
+	}
+}