MOVD	$0x11110000, R1               // MOVD	$286326784, R1              // 2122a2d2
	MOVD	$0xaaaa0000aaaa1111, R1       // MOVD	$-6149102338357718767, R1   // 212282d24155b5f24155f5f2
	MOVD	$0x1111ffff1111aaaa, R1       // MOVD	$1230045644216969898, R1    // a1aa8a922122a2f22122e2f2
	MOVD	$0, R1                        // e1031faa
	MOVD	$-1, R1                       // 01008092

//	LFMOV addr ',' freg
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
	MOVD	foo<>+3(SB), F2
	MOVD	16(R1), F2
	MOVD	(R1), F2

//	LFMOV fimm ',' freg
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
	MOVD	$0.1, F2 // MOVD $(0.10000000000000001), F2

//	LFMOV freg ',' freg
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
	MOVD	F1, F2

//	LFMOV freg ',' addr
//	{
//		outcode(int($1), &$2, 0, &$4);

TEXT asmtest(SB),DUPOK|NOSPLIT,$0
	// move constants
	MOVD $1, R3                     // 38600001
	MOVD $-1, R4                    // 3880ffff
	MOVD $65535, R5                 // 6005ffff
	MOVD $65536, R6                 // 3cc00001
	MOVD $-32767, R5                // 38a08001
	MOVD $-32768, R6                // 38c08000
	MOVD $1234567, R5               // 6405001260a5d687 or 0600001238a0d687

	//	}
	MOVB	R1, foo<>+3(SB)
	MOVB	R1, 16(R2)
	MOVB	R1, (R2)

	//
	// store floats
	//
	//	LMOVW freg ',' addr
	//	{
	//		outcode(int($1), &$2, 0, &$4);
	//	}
	MOVD	F1, foo<>+3(SB)
	MOVD	F1, 16(R2)
	MOVD	F1, (R2)

	//
	// floating point status
	//
	//	LMOVW fpscr ',' freg
	//	{
	//		outcode(int($1), &$2, 0, &$4);
	//	}
	MOVW	FCR0, R1

	//	LMOVW freg ','  fpscr

	MOVWU.P -84(R15), R9                       // e9c55ab8
	MOVD.P -46(R10), R8                        // 48255df8
	MOVD.P (R10), R8                           // 480540f8
	MOVWU.W -141(R3), R16                      // 703c57b8
	MOVD.W -134(R0), R29                       // 1dac57f8
	MOVWU 4156(R1), R25                        // 393c50b9
	MOVD 14616(R10), R9                        // 498d5cf9

	MOVDBR	R8, n-8(SP)           // e380f010002f
	MOVWBR	R9, n-8(SP)           // e390f010003e

	MOVD	$-8589934592, R1      // c01efffffffe
	MOVW	$-131072, R2          // c021fffe0000
	MOVH	$-512, R3             // a739fe00
	MOVB	$-1, R4               // a749ffff

	MOVD	$32767, n-8(SP)       // e548f0107fff
	MOVD	$-1, -524288(R1)      // e3a010008071e548a000ffff
	MOVW	$32767, n-8(SP)       // e54cf0107fff

	LDAXPW	(R5), (R2, R2)                                   // ERROR "constrained unpredictable behavior"
	MOVD.P	300(R2), R3                                      // ERROR "offset out of range [-256,255]"
	MOVD.P	R3, 344(R2)                                      // ERROR "offset out of range [-256,255]"
	MOVD	(R3)(R7.SXTX<<2), R8                             // ERROR "invalid index shift amount"

	MOVBU	X5, (X6)			// ERROR "unsupported unsigned store"
	MOVHU	X5, (X6)			// ERROR "unsupported unsigned store"
	MOVWU	X5, (X6)			// ERROR "unsupported unsigned store"
	MOVF	F0, F1, F2			// ERROR "illegal MOV instruction"
	MOVD	F0, F1, F2			// ERROR "illegal MOV instruction"
	MOV	X10, X11, X12			// ERROR "illegal MOV instruction"
	MOVW	X10, X11, X12			// ERROR "illegal MOV instruction"
	RORI	$64, X5, X6			// ERROR "immediate out of range 0 to 63"

	MOVWU	X5, X6					// 1393020213530302 or 3b830208

	MOVF	4(X5), F0				// 07a04200
	MOVF	F0, 4(X5)				// 27a20200
	MOVF	F0, F1					// d3000020

	MOVD	4(X5), F0				// 07b04200
	MOVD	F0, 4(X5)				// 27b20200
	MOVD	F0, F1					// d3000022

	// TLS load with local-exec (LUI + ADDIW + ADD of TP + load)
	MOV	tls(SB), X5				// b70f00009b8f0f00b38f4f0083b20f00

</p>

<p>
It is currently supported on arm64, amd64, ppc64, loong64 and riscv64.

For example, the start of the <code>MOVD</code> instruction below is aligned to 32 bytes:
<pre>
PCALIGN $32
MOVD $2, R0
</pre>
</p>

<h3 id="data-offsets">Interacting with Go types and constants</h3>

<p>
If a package has any .s files, then <code>go build</code> will direct