add tests of div

herumi · Nov 15, 2023 · 045ef31 · 045ef31
1 parent 1d7e2a6
commit 045ef31
Showing 1 changed file with 34 additions and 0 deletions.
diff --git a/test/apx.cpp b/test/apx.cpp
@@ -734,3 +734,37 @@ CYBOZU_TEST_AUTO(inc_dec)
 	CYBOZU_TEST_EQUAL(c.getSize(), n);
 	CYBOZU_TEST_EQUAL_ARRAY(c.getCode(), tbl, n);
 }
+
+CYBOZU_TEST_AUTO(div)
+{
+	struct Code : Xbyak::CodeGenerator {
+		Code()
+		{
+			div(r20b);
+			div(r20d);
+			div(r20w);
+			div(r20);
+			div(r20|T_nf);
+			div(eax|T_nf);
+			div(byte [r20+r30*1]);
+			div(word [r20+r30*1]);
+			div(dword [r20+r30*1]);
+			div(qword [r20+r30*1]);
+		}
+	} c;
+	const uint8_t tbl[] = {
+		0x62, 0xfc, 0x7c, 0x08, 0xf6, 0xf4,
+		0x62, 0xfc, 0x7c, 0x08, 0xf7, 0xf4,
+		0x62, 0xfc, 0x7d, 0x08, 0xf7, 0xf4,
+		0x62, 0xfc, 0xfc, 0x08, 0xf7, 0xf4,
+		0x62, 0xfc, 0xfc, 0x0c, 0xf7, 0xf4, // r20|T_nf
+		0x62, 0xf4, 0x7c, 0x0c, 0xf7, 0xf0, // eax|T_nf
+		0x62, 0xbc, 0x78, 0x08, 0xf6, 0x34, 0x34,
+		0x62, 0xbc, 0x79, 0x08, 0xf7, 0x34, 0x34,
+		0x62, 0xbc, 0x78, 0x08, 0xf7, 0x34, 0x34,
+		0x62, 0xbc, 0xf8, 0x08, 0xf7, 0x34, 0x34,
+	};
+	const size_t n = sizeof(tbl);
+	CYBOZU_TEST_EQUAL(c.getSize(), n);
+	CYBOZU_TEST_EQUAL_ARRAY(c.getCode(), tbl, n);
+}