//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//

}

//go:nosplit
//go:noinline
func StoreReluintptr(ptr *uintptr, val uintptr) {
	*ptr = val
}

//go:noescape
func And8(ptr *uint8, val uint8)

//go:noescape
func Or8(ptr *uint8, val uint8)

// NOTE: Do not add atomicxor8 (XOR is not idempotent).

//go:noescape
func And(ptr *uint32, val uint32)

//go:noescape
func Or(ptr *uint32, val uint32)

//go:noescape

	BLT	cmp1

	_LHBEX	(R0)(R3),R10
	CMPB	R10,R5,R10
	SLDCC	$48,R10,R10
	CNTLZD	R10,R10
	SRD	$3,R10,R3
	BNE	found

cmp1:	// Length 1
	MOVD	$-1,R3
	ANDCC	$1,R4,R31
	BEQ	found

	MOVBZ	-1(R9),R10
	CMPB	R10,R5,R10
	ANDCC	$1,R10
	ADD	$-1,R4
	ISEL	CR0EQ,R3,R4,R3

found:
	RET
#endif

notfound:
	MOVD $-1,R3

	POPCNT	R3, R4                // b9e10043

	AND	R1, R2                // b9800021
	AND	R1, R2, R3            // b9e42031
	AND	$-2, R1               // a517fffe
	AND	$-65536, R1           // c01bffff0000
	AND	$1, R1                // c0a100000001b980001a
	ANDW	R1, R2                // 1421
	ANDW	R1, R2, R3            // b9f42031
	ANDW	$1, R1                // c01b00000001
	ANDW	$131071, R1           // a5160001

	RORL	$2, DI; \
	MOVL	a, DX; \
	ANDL	b, BX; \
	RORL	$13, DX; \
	MOVL	a, CX; \
	ANDL	c, CX; \
	XORL	DX, DI; \
	XORL	CX, BX; \
	MOVL	a, DX; \
	MOVL	b, CX; \
	RORL	$22, DX; \
	ANDL	a, CX; \
	XORL	CX, BX; \
	XORL	DX, DI; \
	ADDL	DI, BX

// Calculate T1 and T2, then e = d + T1 and a = T1 + T2.
// The values for e and a are stored in d and h, ready for rotation.

		N = 1 << 10
	}

	// Set and then clear every bit in the array bit-by-bit in different goroutines.
	done := make(chan bool)
	for i := 0; i < 8; i++ {
		m := uint8(1 << i)
		go func() {
			for n := 0; n < N; n++ {
				for i := range a {
					atomic.Or8(&a[i], m)
					if atomic.Load8(&a[i])&m != m {
						t.Errorf("a[%v] bit %#x not set", i, m)
					}
					atomic.And8(&a[i], ^m)

//go:noescape
func LoadAcq64(ptr *uint64) uint64

//go:noescape
func LoadAcquintptr(ptr *uintptr) uintptr

//go:noescape
func And8(ptr *uint8, val uint8)

//go:noescape
func Or8(ptr *uint8, val uint8)

// NOTE: Do not add atomicxor8 (XOR is not idempotent).

//go:noescape
func And(ptr *uint32, val uint32)

//go:noescape
func Or(ptr *uint32, val uint32)

//go:noescape
func And32(ptr *uint32, val uint32) uint32

//go:noescape
func LoadAcq64(ptr *uint64) uint64

//go:noescape
func LoadAcquintptr(ptr *uintptr) uintptr

//go:noescape
func Or8(ptr *uint8, val uint8)

//go:noescape
func And8(ptr *uint8, val uint8)

//go:noescape
func And(ptr *uint32, val uint32)

//go:noescape
func Or(ptr *uint32, val uint32)

//go:noescape
func And32(ptr *uint32, val uint32) uint32

//go:noescape

	AND	R1, R3
#ifdef GOARCH_mips
	// Big endian.  ptr = ptr ^ 3
	XOR	$3, R1
#endif
	AND	$3, R1, R4	// R4 = ((ptr & 3) * 8)
	SLL	$3, R4
	SLL	R4, R2, R2	// Shift val for aligned ptr. R2 = val << R4
	SYNC
try_or8:
	LL	(R3), R4	// R4 = *R3
	OR	R2, R4
	SC	R4, (R3)	// *R3 = R4
	BEQ	R4, try_or8
	SYNC
	RET

// void	And8(byte volatile*, byte);

package riscv

import "cmd/internal/obj"

var Anames = []string{
	obj.A_ARCHSPECIFIC: "ADDI",
	"SLTI",
	"SLTIU",
	"ANDI",
	"ORI",
	"XORI",
	"SLLI",
	"SRLI",
	"SRAI",
	"LUI",
	"AUIPC",
	"ADD",
	"SLT",
	"SLTU",
	"AND",
	"OR",
	"XOR",
	"SLL",
	"SRL",
	"SUB",
	"SRA",
	"JAL",
	"JALR",
	"BEQ",
	"BNE",
	"BLT",
	"BLTU",
	"BGE",
	"BGEU",