[PATCH] test: Add realmode test for 2 op imul instruction (0x0f 0xaf)

[Mohammed Gamal <m.gamal005@gmail.com>]

Signed-off-by: Mohammed Gamal <m.gamal005@gmail.com>
---
 x86/realmode.c |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/x86/realmode.c b/x86/realmode.c
index 603fd1f..63ee868 100644
--- a/x86/realmode.c
+++ b/x86/realmode.c
@@ -1004,6 +1004,14 @@ void test_imul()
 			"mov $4, %ecx\n\t"
 			"imul %ecx\n\t");
 
+	MK_INSN(imul16_3, "mov $2, %bx\n\t"
+			  "mov $4, %cx\n\t"
+			  "imul %bx, %cx\n\t");
+
+	MK_INSN(imul32_3, "mov $2, %ebx\n\t"
+			 "mov $4, %ecx\n\t"
+			 "imul %ebx, %ecx\n\t");
+
 	exec_in_big_real_mode(&inregs, &outregs,
 			      insn_imul8_1,
 			      insn_imul8_1_end - insn_imul8_1);
@@ -1058,6 +1066,24 @@ void test_imul()
 		print_serial("imul Test 6: FAIL\n");
 	else
 		print_serial("imul Test 6: PASS\n");
+
+	exec_in_big_real_mode(&inregs, &outregs,
+                              insn_imul16_3,
+                              insn_imul16_3_end - insn_imul16_3);
+
+        if (!regs_equal(&inregs, &outregs, R_BX | R_CX) || outregs.ecx != 8)
+                print_serial("imul Test 7: FAIL\n");
+        else
+                print_serial("imul Test 7: PASS\n");
+
+        exec_in_big_real_mode(&inregs, &outregs,
+                              insn_imul32_3,
+                              insn_imul32_3_end - insn_imul32_3);
+
+        if (!regs_equal(&inregs, &outregs, R_BX | R_CX) || outregs.ecx != 8)
+                print_serial("imul Test 8: FAIL\n");
+        else
+                print_serial("imul Test 8: PASS\n");
 }
 
 void test_mul()
-- 
1.7.0.4