8a/8l: Added FCMOVcc instructions

Thanks to Charles Dorian for the help.

R=rsc
CC=Charlie Dorian, golang-dev
https://golang.org/cl/207049

src/cmd/8a/lex.c

@@ -601,6 +601,14 @@ struct
 	"FMOVWP",	LTYPE3, AFMOVWP,
 	"FMOVX",	LTYPE3, AFMOVX,
 	"FMOVXP",	LTYPE3, AFMOVXP,
+	"FCMOVCC",	LTYPE3, AFCMOVCC,
+	"FCMOVCS",	LTYPE3, AFCMOVCS,
+	"FCMOVEQ",	LTYPE3, AFCMOVEQ,
+	"FCMOVHI",	LTYPE3, AFCMOVHI,
+	"FCMOVLS",	LTYPE3, AFCMOVLS,
+	"FCMOVNE",	LTYPE3, AFCMOVNE,
+	"FCMOVNU",	LTYPE3, AFCMOVNU,
+	"FCMOVUN",	LTYPE3, AFCMOVUN,
 	"FCOMB",	LTYPE3, AFCOMB,
 	"FCOMBP",	LTYPE3, AFCOMBP,
 	"FCOMD",	LTYPE3, AFCOMD,

src/cmd/8l/8.out.h

@@ -426,6 +426,15 @@ enum	as
 	ACMOVWPL,
 	ACMOVWPS,
 
+	AFCMOVCC,
+	AFCMOVCS,
+	AFCMOVEQ,
+	AFCMOVHI,
+	AFCMOVLS,
+	AFCMOVNE,
+	AFCMOVNU,
+	AFCMOVUN,
+
 	ALAST
 };
 

src/cmd/8l/optab.c

@@ -302,6 +302,11 @@ uchar	yfmvp[] =
 	Yf0,	Ym,	Zo_m,	2,
 	0
 };
+uchar	yfcmv[] =
+{
+	Yrf,	Yf0,	Zm_o,	2,
+	0
+};
 uchar	yfadd[] =
 {
 	Ym,	Yf0,	Zm_o,	2,
@@ -730,5 +735,15 @@ Optab optab[] =
 	{ ACMOVWPC,	yml_rl,	Pq, 0x4b },
 	{ ACMOVWPL,	yml_rl,	Pq, 0x49 },
 	{ ACMOVWPS,	yml_rl,	Pq, 0x4a },
+
+	{ AFCMOVCC,	yfcmv,	Px, 0xdb,(00) },
+	{ AFCMOVCS,	yfcmv,	Px, 0xda,(00) },
+	{ AFCMOVEQ,	yfcmv,	Px, 0xda,(01) },
+	{ AFCMOVHI,	yfcmv,	Px, 0xdb,(02) },
+	{ AFCMOVLS,	yfcmv,	Px, 0xda,(02) },
+	{ AFCMOVNE,	yfcmv,	Px, 0xdb,(01) },
+	{ AFCMOVNU,	yfcmv,	Px, 0xdb,(03) },
+	{ AFCMOVUN,	yfcmv,	Px, 0xda,(03) },
+
 	0
 };

src/libmach/8db.c

@@ -1004,6 +1004,10 @@ static Optable optabDA[8+8] =
 [0x05]	0,0,		"FSUBRL	%e,F0",
 [0x06]	0,0,		"FDIVL	%e,F0",
 [0x07]	0,0,		"FDIVRL	%e,F0",
+[0x08]	0,0,		"FCMOVCS	%f,F0",
+[0x09]	0,0,		"FCMOVEQ	%f,F0",
+[0x0a]	0,0,		"FCMOVLS	%f,F0",
+[0x0b]	0,0,		"FCMOVUN	%f,F0",
 [0x0d]	R1,0,		"FUCOMPP",
 };
 
@@ -1014,6 +1018,10 @@ static Optable optabDB[8+64] =
 [0x03]	0,0,		"FMOVLP	F0,%e",
 [0x05]	0,0,		"FMOVX	%e,F0",
 [0x07]	0,0,		"FMOVXP	F0,%e",
+[0x08]	0,0,		"FCMOVCC	%f,F0",
+[0x09]	0,0,		"FCMOVNE	%f,F0",
+[0x0a]	0,0,		"FCMOVHI	%f,F0",
+[0x0b]	0,0,		"FCMOVNU	%f,F0",
 [0x0d]	0,0,		"FUCOMI	F0,%f",
 [0x0e]	0,0,		"FCOMI	F0,%f",
 [0x2a]	0,0,		"FCLEX",