add tests of shld/shrd

herumi · Nov 20, 2023 · ed5dc35 · ed5dc35
1 parent b01c0ed
commit ed5dc35
Showing 1 changed file with 44 additions and 0 deletions.
diff --git a/test/apx.cpp b/test/apx.cpp
@@ -965,3 +965,47 @@ CYBOZU_TEST_AUTO(lzcnt)
 	CYBOZU_TEST_EQUAL(c.getSize(), n);
 	CYBOZU_TEST_EQUAL_ARRAY(c.getCode(), tbl, n);
 }
+
+CYBOZU_TEST_AUTO(shld)
+{
+	struct Code : Xbyak::CodeGenerator {
+		Code()
+		{
+			shld(rax|T_nf, rcx, cl);
+			shld(r16, rcx, cl);
+			shld(r16, rcx, 0x9);
+			shld(r16|T_nf, rcx, 0x9);
+			shld(r20, r16, rcx, cl);
+			shld(r20|T_nf, r16, rcx, cl);
+			shld(r20, r16, rcx, 0x9);
+			shld(r20|T_nf, r16, rcx, 0x9);
+			shld(r20, ptr [r21], rcx, 0x9);
+
+			shrd(rax|T_nf, rcx, cl);
+			shrd(r16, rcx, cl);
+			shrd(r16, rcx, 0x9);
+			shrd(r16|T_nf, rcx, 0x9);
+			shrd(r20, r16, rcx, cl);
+			shrd(r20|T_nf, r16, rcx, cl);
+			shrd(r20, r16, rcx, 0x9);
+			shrd(r20|T_nf, r16, rcx, 0x9);
+			shrd(r20, ptr [r21], rcx, 0x9);
+		}
+	} c;
+	const uint8_t tbl[] = {
+		// shld
+		0x62, 0xf4, 0xfc, 0x0c, 0xa5, 0xc8, 0x62, 0xfc, 0xfc, 0x08, 0xa5, 0xc8, 0x62, 0xfc, 0xfc, 0x08,
+		0x24, 0xc8, 0x09, 0x62, 0xfc, 0xfc, 0x0c, 0x24, 0xc8, 0x09, 0x62, 0xfc, 0xdc, 0x10, 0xa5, 0xc8,
+		0x62, 0xfc, 0xdc, 0x14, 0xa5, 0xc8, 0x62, 0xfc, 0xdc, 0x10, 0x24, 0xc8, 0x09, 0x62, 0xfc, 0xdc,
+		0x14, 0x24, 0xc8, 0x09, 0x62, 0xfc, 0xdc, 0x10, 0x24, 0x4d, 0x00, 0x09,
+		// shrd
+		0x62, 0xf4, 0xfc, 0x0c, 0xad, 0xc8, 0x62, 0xfc, 0xfc, 0x08, 0xad, 0xc8, 0x62, 0xfc, 0xfc, 0x08,
+		0x2c, 0xc8, 0x09, 0x62, 0xfc, 0xfc, 0x0c, 0x2c, 0xc8, 0x09, 0x62, 0xfc, 0xdc, 0x10, 0xad, 0xc8,
+		0x62, 0xfc, 0xdc, 0x14, 0xad, 0xc8, 0x62, 0xfc, 0xdc, 0x10, 0x2c, 0xc8, 0x09, 0x62, 0xfc, 0xdc,
+		0x14, 0x2c, 0xc8, 0x09, 0x62, 0xfc, 0xdc, 0x10, 0x2c, 0x4d, 0x00, 0x09,
+
+	};
+	const size_t n = sizeof(tbl);
+	CYBOZU_TEST_EQUAL(c.getSize(), n);
+	CYBOZU_TEST_EQUAL_ARRAY(c.getCode(), tbl, n);
+}