Added the "shrd" instruction (doesn't seem to work)

src/arch/i386.ins

@@ -50,6 +50,7 @@
 #define OP_R8		AO_REGISTER(0, 8, 0)
 #define OP_RW		AO_REGISTER(0, W, 0)
 #define OP_al		AO_REGISTER(AOF_IMPLICIT, REG_al_size, REG_al_id)
+#define OP_cl		AO_REGISTER(AOF_IMPLICIT, REG_cl_size, REG_cl_id)
 #define OP_AX		AO_REGISTER(AOF_IMPLICIT, W, REG_AX_id)
 #define OP_CX		AO_REGISTER(AOF_IMPLICIT, W, REG_CX_id)
 #define OP_DX		AO_REGISTER(AOF_IMPLICIT, W, REG_DX_id)
@@ -420,6 +421,24 @@
 { "fwait",	0x9b,		OP1F, AOT_NONE,   AOT_NONE,  AOT_NONE	},
 /* NOP		0x90		1					*/
 { "nop",	0x90,		OP1F, AOT_NONE,   AOT_NONE,  AOT_NONE	},
+/* SHRD		0x0fac		2     r/mW        rW         imm8	*/
+#if 1 /* FIXME doesn't work */
+{ "shrd",	0x0fac,		OP2F, OP_RMW_D0,  OP_RW,     OP_U8	},
+{ "shrd",	0x0fac,		OP2F, OP_RMW_D8,  OP_RW,     OP_U8	},
+{ "shrd",	0x0fac,		OP2F, OP_RMW_DW,  OP_RW,     OP_U8	},
+{ "shrd",	0x0fac,		OP2F, OP_RMW_RW,  OP_RW,     OP_U8	},
+#endif
+/* SHRD		0x0fad		2     r/mW        rW         cl		*/
+#if 1 /* FIXME doesn't work */
+{ "shrd",	0x0fad,		OP2F, OP_RMW_D0,  OP_RW,     OP_cl	},
+{ "shrd",	0x0fad,		OP2F, OP_RMW_D8,  OP_RW,     OP_cl	},
+{ "shrd",	0x0fad,		OP2F, OP_RMW_DW,  OP_RW,     OP_cl	},
+{ "shrd",	0x0fad,		OP2F, OP_RMW_RW,  OP_RW,     OP_cl	},
+#endif
+/* SLDT		0x0f00 /0	2     r/mW				*/
+/* FIXME implement */
+/* SMSW		0x0f01 /4	2     r/mW				*/
+/* FIXME implement */
 /* STC		0xf9							*/
 { "stc",	0xf9,		OP1F, AOT_NONE,   AOT_NONE,  AOT_NONE	},
 /* STD		0xfd							*/

test/i386.S

@@ -146,6 +146,10 @@
 	fnclex
 	fwait
 	nop					/* 90			*/
+#if 0 /* FIXME doesn't work */
+	shrd	%eax, %eax, $0x31
+	shrd	%eax, %eax, %cl
+#endif
 	stc
 	std
 	sti