{name: "MOVVfpgp", argLength: 1, reg: fpgp, asm: "MOVV"}, // move float64 to int64 (no conversion).
		{name: "MOVVgpfp", argLength: 1, reg: gpfp, asm: "MOVV"}, // move int64 to float64 (no conversion).

		// conversions
		{name: "MOVBreg", argLength: 1, reg: gp11, asm: "MOVB"},   // move from arg0, sign-extended from byte

#include "textflag.h"

// See memclrNoHeapPointers Go doc for important implementation constraints.

// func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)
TEXT runtime·memclrNoHeapPointers(SB),NOSPLIT,$0-16
	MOVV	ptr+0(FP), R1
	MOVV	n+8(FP), R2
	ADDV	R1, R2, R4

	// if less than 16 bytes or no MSA, do words check
	SGTU	$16, R2, R3
	BNE	R3, no_msa
	MOVBU	internal∕cpu·MIPS64X+const_offsetMIPS64XHasMSA(SB), R3
	BEQ	R3, R0, no_msa

	//   arm:`MOVW\t\$48`,`MOVW\t\$49`,`MOVW\t\$50`
	// arm64:`MOVD\t\$12592`,`MOVD\t\$50`
	//  wasm:`I64Const\t\$12592`,`I64Store16\t\$0`,`I64Const\t\$50`,`I64Store8\t\$2`
	// mips64:`MOVV\t\$48`,`MOVV\t\$49`,`MOVV\t\$50`
	bsink = []byte("012")

	// 858927408 = 0x33323130
	//     13620 = 0x3534
	// amd64:`MOVL\t\$858927408`,`MOVW\t\$13620, 4\(`
	//   386:`MOVL\t\$858927408`,`MOVW\t\$13620, 4\(`

	case "ppc64le":
		binary.LittleEndian.PutUint32(ill, 0xf8000000) // MOVD R0, (R0)
	case "mips", "mips64":
		binary.BigEndian.PutUint32(ill, 0xfc000000) // MOVV R0, (R0)
	case "mipsle", "mips64le":
		binary.LittleEndian.PutUint32(ill, 0xfc000000) // MOVV R0, (R0)
	case "s390x":
		ill = append(ill[:0], 0xa7, 0x09, 0x00, 0x00)         // MOVD $0, R0
		ill = append(ill, 0xe3, 0x00, 0x00, 0x00, 0x00, 0x24) // MOVD R0, (R0)

		// if *arg0 == arg1 {
		//   *arg0 = arg2
		//   return (true, memory)
		// } else {
		//   return (false, memory)
		// }
		// DBAR
		// MOVV $0, Rout
		// LL	(Rarg0), Rtmp
		// BNE	Rtmp, Rarg1, 4(PC)
		// MOVV Rarg2, Rout
		// SC	Rout, (Rarg0)
		// BEQ	Rout, -4(PC)
		// DBAR

	AND	$7, R4, R8
	BEQ	R8, words
	MOVB	R0, (R4)
	ADDV	$1, R4
	JMP	-4(PC)

words:
	// do 8 bytes at a time if there is room
	ADDV	$-7, R6, R5

	PCALIGN	$16
	SGTU	R5, R4, R8
	BEQ	R8, out
	MOVV	R0, (R4)
	ADDV	$8, R4
	JMP	-4(PC)

out:
	BEQ	R4, R6, done
	MOVB	R0, (R4)
	ADDV	$1, R4
	JMP	-3(PC)
done:

	// symbol in the Go sense, and p.Sym.Local is true for a few
	// internally defined symbols.
	if p.From.Type == obj.TYPE_ADDR && p.From.Name == obj.NAME_EXTERN && !p.From.Sym.Local() {
		// MOVV $sym, Rx becomes MOVV sym@GOT, Rx
		// MOVV $sym+<off>, Rx becomes MOVV sym@GOT, Rx; ADD <off>, Rx
		if p.As != AMOVV {
			ctxt.Diag("do not know how to handle TYPE_ADDR in %v with -shared", p)
		}
		if p.To.Type != obj.TYPE_REG {

	"SRA",
	"SRL",
	"SUB",
	"SUBD",
	"SUBF",
	"SUBU",
	"SUBW",
	"SYNC",
	"SYSCALL",
	"TEQ",
	"TLBP",
	"TLBR",
	"TLBWI",
	"TLBWR",
	"TNE",
	"WORD",
	"WSBH",
	"XOR",
	"MOVV",
	"MOVVL",
	"MOVVR",
	"SLLV",
	"SRAV",
	"SRLV",
	"DIVV",
	"DIVVU",
	"REMV",
	"REMVU",
	"MULV",
	"MULVU",
	"ADDV",
	"ADDVU",
	"SUBV",
	"SUBVU",
	"DSBH",
	"DSHD",

TEXT main(SB),NOSPLIT|NOFRAME,$0
	// in external linking, glibc jumps to main with argc in R4
	// and argv in R5

	// initialize REGSB = PC&0xffffffff00000000
	BGEZAL	R0, 1(PC)
	SRLV	$32, R31, RSB
	SLLV	$32, RSB

	MOVV	$runtime·rt0_go(SB), R1

	"SQRTD",
	"SQRTF",
	"SRA",
	"SRL",
	"ROTR",
	"SUB",
	"SUBD",
	"SUBF",
	"SUBU",
	"SUBW",
	"DBAR",
	"SYSCALL",
	"TEQ",
	"TNE",
	"WORD",
	"XOR",
	"MASKEQZ",
	"MASKNEZ",
	"MOVV",
	"MOVVL",
	"MOVVR",
	"SLLV",
	"SRAV",
	"SRLV",
	"ROTRV",
	"DIVV",
	"DIVVU",
	"REMV",
	"REMVU",
	"MULV",
	"MULVU",
	"MULHV",
	"MULHVU",
	"ADDV",
	"ADDVU",