<code>R5</code>, <code>R6</code> and <code>R7</code> with the 64-bit values at
<code>0(R9)</code>, <code>8(R9)</code> and <code>16(R9)</code> respectively.
</p>

<p>
Storage-and-storage instructions such as <code>MVC</code> and <code>XC</code> are written
with the length as the first argument.
For example, <code>XC</code> <code>$8,</code> <code>(R9),</code> <code>(R9)</code> would clear
eight bytes at the address specified in <code>R9</code>.

					},

					// func walltime() (sec int64, nsec int32)
					"runtime.walltime": (sp) => {
						sp >>>= 0;
						const msec = (new Date).getTime();
						setInt64(sp + 8, msec / 1000);
						this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);
					},

					// func scheduleTimeoutEvent(delay int64) int32
					"runtime.scheduleTimeoutEvent": (sp) => {
						sp >>>= 0;

	NC	$8, (R15), n-8(SP)       // d407f010f000
	OC	$8, (R15), n-8(SP)       // d607f010f000
	MVC	$8, (R15), n-8(SP)       // d207f010f000
	MVCIN	$8, (R15), n-8(SP)       // e807f010f000
	CLC	$8, (R15), n-8(SP)       // d507f000f010
	XC	$256, -8(R15), -8(R15)   // b90400afc2a8fffffff8d7ffa000a000
	MVC	$256, 8192(R1), 8192(R2) // b90400a2c2a800002000b90400b1c2b800002000d2ffa000b000

	CMP	R1, R2                 // b9200012

	SUBSW R22->28, R6, R7                      // c770966b
	SUBSW R22>>28, R6, R7                      // c770566b
	SUBS R26<<15, R6, R16                      // d03c1aeb
	SVC $0                                     // 010000d4
	SVC $7165                                  // a17f03d4
	SXTBW R8, R25                              // 191d0013
	SXTB R13, R9                               // a91d4093

	PRFM	(R8), $25                       // 190180f9
	PRFM	8(R9), $30                      // 3e0580f9
	NOOP                                    // 1f2003d5
	HINT $0                                 // 1f2003d5
	DMB	$1
	SVC

// encryption
	SHA256H	V9.S4, V3, V2                   // 6240095e
	SHA256H2	V9.S4, V4, V3           // 8350095e
	SHA256SU0	V8.S4, V7.S4            // 0729285e
	SHA256SU1	V6.S4, V5.S4, V7.S4     // a760065e