STXP	(R5, R7), (R6), RSP                              // ERROR "illegal combination"
	STXPW	(R5, R7), (R6), RSP                              // ERROR "illegal combination"
	STLXP	(R5, R7), (R6), RSP                              // ERROR "illegal combination"
	STLXP	(R5, R7), (R6), RSP                              // ERROR "illegal combination"
	MSR	OSLAR_EL1, R5                                    // ERROR "illegal combination"

	STLXR R7, (R27), R8                        // 67ff08c8
	STLXRW R13, (R15), R14                     // edfd0e88
	STLXRB R24, (R23), R8                      // f8fe0808
	STLXRH R19, (R27), R11                     // 73ff0b48
	STLXP (R6, R3), (R10), R2                  // 468d22c8
	STLXPW (R6, R11), (R22), R21               // c6ae3588
	//TODO STNPW 44(R1), R3, R10               // 2a8c0528
	//TODO STNP 0x108(R3), ZR, R7              // 67fc10a8

The other extensions include <code>SXTH</code> (16-bit), <code>SXTW</code> (32-bit), and <code>SXTX</code> (64-bit).
</li>

<li>
<code>(R5, R6)</code>: Register pair for <code>LDAXP</code>/<code>LDP</code>/<code>LDXP</code>/<code>STLXP</code>/<code>STP</code>/<code>STP</code>.
</li>

</ul>

<p>
Reference: <a href="/pkg/cmd/internal/obj/arm64">Go ARM64 Assembly Instructions Reference Manual</a>
</p>

<h3 id="ppc64">PPC64</h3>

	LDXPW	(R24), (R23, R11)                    // 172f7f88
	LDXP	(R0), (R16, R13)                     // 10347fc8
	STLRB	R11, (R22)                           // cbfe9f08
	STLRH	R16, (R23)                           // f0fe9f48
	STLXP	(R6, R3), (R10), R2                  // 468d22c8
	STLXPW	(R6, R11), (R22), R21                // c6ae3588
	STLXRW	R1, (R0), R3                         // 01fc0388
	STXP	(R1, R2), (R3), R10                  // 61082ac8