A reserved register field in floating point ops is not zerod as it should be.

Reference: /n/sources/patch/applied/kl-reserved2
Date: Sat Jan 15 15:23:17 CET 2005

--- /sys/src/cmd/kl/asm.c	Sat Jan 15 15:23:17 2005
+++ /sys/src/cmd/kl/asm.c	Sat Jan 15 15:23:17 2005
@@ -1001,6 +1001,11 @@
 			}
 		}
 		break;
+
+	case 57:	/* op r1,r2 with reserved rs1 */
+		r = 0;
+		o1 = OP_RRR(opcode(p->as), p->from.reg, r, p->to.reg);
+		break;
 	}
 	if(aflag)
 		return o1;
--- /sys/src/cmd/kl/optab.c	Sat Jan 15 15:23:17 2005
+++ /sys/src/cmd/kl/optab.c	Sat Jan 15 15:23:17 2005
@@ -174,8 +174,8 @@
 	{ AFMOVD,	C_FREG,	C_NONE,	C_FREG,		49, 8, 0 },
 	{ AFCMPD,	C_FREG,	C_NONE,	C_FREG,		50, 4, 0 },
 
-	{ AFABSF,	C_FREG,	C_NONE,	C_FREG,		21, 4, 0 },
-	{ AFMOVF,	C_FREG,	C_NONE,	C_FREG,		21, 4, 0 },
+	{ AFABSF,	C_FREG,	C_NONE,	C_FREG,		57, 4, 0 },
+	{ AFMOVF,	C_FREG,	C_NONE,	C_FREG,		57, 4, 0 },
 	{ AFADDD,	C_FREG,	C_NONE,	C_FREG,		21, 4, 0 },
 	{ AFADDD,	C_FREG,	C_REG,	C_FREG,		21, 4, 0 },