// hand can be used only when the memory regions don't overlap or the copy
	// direction is forward.
	//
	// BSR+branch table make almost all memmove/memclr benchmarks worse. Not worth doing.
	TESTQ	BX, BX
	JEQ	move_0
	CMPQ	BX, $2
	JBE	move_1or2
	CMPQ	BX, $4
	JB	move_3
	JBE	move_4
	CMPQ	BX, $8
	JB	move_5through7
	JE	move_8
	CMPQ	BX, $16
	JBE	move_9through16
	CMPQ	BX, $32

	MOVQ (8*2)(res_ptr), y_ptr
	MOVQ (8*3)(res_ptr), t1
	// Speculatively subtract
	SUBQ acc5, acc0
	SBBQ x_ptr, acc1
	SBBQ y_ptr, acc2
	SBBQ t1, acc3
	// If condition is 0, keep original value
	TESTQ t0, t0
	CMOVQEQ acc5, acc0
	CMOVQEQ x_ptr, acc1
	CMOVQEQ y_ptr, acc2
	CMOVQEQ t1, acc3
	// Store result
	MOVQ acc0, (8*0)(res_ptr)
	MOVQ acc1, (8*1)(res_ptr)
	MOVQ acc2, (8*2)(res_ptr)

	}

	if cursym.Func().Text.From.Sym.Wrapper() {
		// if g._panic != nil && g._panic.argp == FP {
		//   g._panic.argp = bottom-of-frame
		// }
		//
		//	MOVQ g_panic(g), regEntryTmp0
		//	TESTQ regEntryTmp0, regEntryTmp0
		//	JNE checkargp
		// end:
		//	NOP
		//  ... rest of function ...
		// checkargp:
		//	LEAQ (autoffset+8)(SP), regEntryTmp1
		//	CMPQ panic_argp(regEntryTmp0), regEntryTmp1