JMP	runtime·strhashFallback(SB)
TEXT runtime·memhash32(SB),NOSPLIT|NOFRAME,$0-12
	JMP	runtime·memhash32Fallback(SB)
TEXT runtime·memhash64(SB),NOSPLIT|NOFRAME,$0-12
	JMP	runtime·memhash64Fallback(SB)

TEXT runtime·return0(SB),NOSPLIT,$0
	MOVW	$0, R0
	RET

TEXT runtime·procyield(SB),NOSPLIT|NOFRAME,$0
	MOVW	cycles+0(FP), R1
	MOVW	$0, R0
yieldloop:
	WORD	$0xe320f001	// YIELD (NOP pre-ARMv6K)

func lockWithRank(l *mutex, rank lockRank) {
	lock2(l)
}

// This function may be called in nosplit context and thus must be nosplit.
//
//go:nosplit
func acquireLockRankAndM(rank lockRank) {
	acquirem()
}

func unlockWithRank(l *mutex) {
	unlock2(l)
}

// This function may be called in nosplit context and thus must be nosplit.
//
//go:nosplit
func releaseLockRankAndM(rank lockRank) {
	releasem(getg().m)
}

TEXT runtime·memhash<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-32
	JMP	runtime·memhashFallback<ABIInternal>(SB)
TEXT runtime·strhash<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-24
	JMP	runtime·strhashFallback<ABIInternal>(SB)
TEXT runtime·memhash32<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-24
	JMP	runtime·memhash32Fallback<ABIInternal>(SB)
TEXT runtime·memhash64<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-24
	JMP	runtime·memhash64Fallback<ABIInternal>(SB)

// in the context that starts executing at sigresume.
TEXT runtime·sigresume(SB),NOSPLIT|NOFRAME,$0
	MOVQ	R8, SP
	JMP	R9

TEXT runtime·exceptiontramp(SB),NOSPLIT|NOFRAME,$0
	// PExceptionPointers already on CX
	MOVQ	$const_callbackVEH, DX
	JMP	sigtramp<>(SB)

TEXT runtime·firstcontinuetramp(SB),NOSPLIT|NOFRAME,$0-0
	// PExceptionPointers already on CX
	MOVQ	$const_callbackFirstVCH, DX

TEXT runtime·retpolineR8(SB),NOSPLIT|NOFRAME,$0; RETPOLINE(8)
TEXT runtime·retpolineR9(SB),NOSPLIT|NOFRAME,$0; RETPOLINE(9)
TEXT runtime·retpolineR10(SB),NOSPLIT|NOFRAME,$0; RETPOLINE(10)
TEXT runtime·retpolineR11(SB),NOSPLIT|NOFRAME,$0; RETPOLINE(11)
TEXT runtime·retpolineR12(SB),NOSPLIT|NOFRAME,$0; RETPOLINE(12)
TEXT runtime·retpolineR13(SB),NOSPLIT|NOFRAME,$0; RETPOLINE(13)

//
TEXT cas<>(SB),NOSPLIT,$0
	MOVW	$0xffff0fc0, R15 // R15 is hardware PC.

TEXT ·Cas(SB),NOSPLIT|NOFRAME,$0
	MOVB	runtime·goarm(SB), R11
	CMP	$7, R11
	BLT	2(PC)
	JMP	·armcas(SB)
	JMP	kernelcas<>(SB)

TEXT kernelcas<>(SB),NOSPLIT,$0
	MOVW	ptr+0(FP), R2
	// trigger potential paging fault here,

//		*val = new;
//		return 1;
//	}else
//		return 0;
TEXT	·Cas(SB),NOSPLIT,$0
	JMP	·armcas(SB)

// Non-linux OSes support only single processor machines before ARMv7.
// So we don't need memory barriers if goarm < 7. And we fail loud at
// startup (runtime.checkgoarm) if it is a multi-processor but goarm < 7.

TEXT	·Load(SB),NOSPLIT|NOFRAME,$0-8
	MOVW	addr+0(FP), R0
	MOVW	(R0), R1

	MOVB	runtime·goarm(SB), R11

#endif 				\


TEXT runtime·breakpoint(SB),NOSPLIT|NOFRAME,$0-0
	BREAK
	RET

TEXT runtime·asminit(SB),NOSPLIT|NOFRAME,$0-0
	RET

TEXT runtime·mstart(SB),NOSPLIT|TOPFRAME,$0
	BL	runtime·mstart0(SB)
	RET // not reached

/*
 *  go-routine
 */

// void gogo(Gobuf*)
// restore state from Gobuf; longjmp
TEXT runtime·gogo(SB), NOSPLIT|NOFRAME, $0-8
	MOVD	buf+0(FP), R5

// when acquiring a non-static lock.
//
// Note that we need to be careful about stack splits:
//
// This function is not nosplit, thus it may split at function entry. This may
// introduce a new edge in the lock order, but it is no different from any
// other (nosplit) call before this call (including the call to lock() itself).
//
// However, we switch to the systemstack to record the lock held to ensure that

	JNZ Lexp_dec_loop
	MOVUPS -16(BX), X0
	MOVUPS X0, 16(DX)
	RET

TEXT _expand_key_128<>(SB),NOSPLIT,$0
	PSHUFD $0xff, X1, X1
	SHUFPS $0x10, X0, X4
	PXOR X4, X0
	SHUFPS $0x8c, X0, X4
	PXOR X4, X0
	PXOR X1, X0
	MOVUPS X0, (BX)
	ADDQ $16, BX
	RET

TEXT _expand_key_192a<>(SB),NOSPLIT,$0
	PSHUFD $0x55, X1, X1
	SHUFPS $0x10, X0, X4
	PXOR X4, X0
	SHUFPS $0x8c, X0, X4
	PXOR X4, X0