diff --git a/src/arch/i386.ins b/src/arch/i386.ins
index 34344ba..ad6557d 100644
--- a/src/arch/i386.ins
+++ b/src/arch/i386.ins
@@ -354,5 +354,9 @@
 { "div",	0xf7,		OP1F, OP_RMW_RW+6,AOT_NONE,  AOT_NONE	},
 /* ENTER	0xc8 iw		1     imm16       imm8			*/
 { "enter",	0xc8,		OP1F, OP_U16,     OP_U8,     AOT_NONE	},
+/* F2XM1	0xd9f0		2					*/
+{ "f2xm1",	0xd9f0,		OP2F, AOT_NONE,   AOT_NONE,  AOT_NONE	},
+/* FABS		0xd9e1		2					*/
+{ "fabs",	0xd9e1,		OP2F, AOT_NONE,   AOT_NONE,  AOT_NONE	},
 /* NOP		0x90		1					*/
 { "nop",	0x90,		OP1F, AOT_NONE,   AOT_NONE,  AOT_NONE	},
diff --git a/test/i386.S b/test/i386.S
index b4c0fbb..aef6c34 100644
--- a/test/i386.S
+++ b/test/i386.S
@@ -114,4 +114,6 @@
 	enter	$0xabcd, $0x0			/* c8 cd ab 00		*/
 	enter	$0xdcef, $0x1			/* c8 ef dc 01		*/
 	enter	$0xfacd, $0x42			/* c8 cd fa 42		*/
+	f2xm1
+	fabs
 	nop					/* 0x90			*/