"cmd/internal/obj/arm64"
	"errors"
)

var arm64LS = map[string]uint8{
	"P": arm64.C_XPOST,
	"W": arm64.C_XPRE,
}

var arm64Jump = map[string]bool{
	"B":     true,
	"BL":    true,
	"BEQ":   true,
	"BNE":   true,
	"BCS":   true,
	"BHS":   true,
	"BCC":   true,
	"BLO":   true,
	"BMI":   true,
	"BPL":   true,
	"BVS":   true,
	"BVC":   true,
	"BHI":   true,
	"BLS":   true,

	SLLV	$4, R4, R5		// 85104100
	SLLV	$4, R4			// 84104100
	ROTRV	$4, R4, R5		// 85104d00
	ROTRV	$4, R4			// 84104d00
	SYSCALL				// 00002b00
	BEQ	R4, R5, 1(PC)		// 85040058
	BEQ	R4, 1(PC)		// 80040040
	BEQ	R4, R0, 1(PC)		// 80040040
	BEQ	R0, R4, 1(PC)		// 80040040
	BNE	R4, R5, 1(PC)		// 8504005c
	BNE	R4, 1(PC)		// 80040044
	BNE	R4, R0, 1(PC)		// 80040044
	BNE	R0, R4, 1(PC)		// 80040044

	SLLI	$64, X5, X6			// ERROR "immediate out of range 0 to 63"
	SRLI	$64, X5, X6			// ERROR "immediate out of range 0 to 63"
	SRAI	$64, X5, X6			// ERROR "immediate out of range 0 to 63"
	BEQ	X5, X6, $1			// ERROR "instruction with branch-like opcode lacks destination"
	BEQ	X5, X6, 31(X10)			// ERROR "instruction with branch-like opcode lacks destination"
	RORI	$-1, X5, X6			// ERROR "immediate out of range 0 to 63"

	}
	return nil
}

func jumpX86(word string) bool {
	return word[0] == 'J' || word == "CALL" || strings.HasPrefix(word, "LOOP") || word == "XBEGIN"
}

func jumpRISCV(word string) bool {
	switch word {
	case "BEQ", "BEQZ", "BGE", "BGEU", "BGEZ", "BGT", "BGTU", "BGTZ", "BLE", "BLEU", "BLEZ",
		"BLT", "BLTU", "BLTZ", "BNE", "BNEZ", "CALL", "CBEQZ", "CBNEZ", "CJ", "CJALR", "CJR",
		"JAL", "JALR", "JMP":
		return true
	}
	return false

// B/BL/B.cond cases, and canonical names JMP, CALL.
	BL	1(PC)      // CALL 1(PC)
	BL	(R2)       // CALL (R2)
	BL	foo(SB)    // CALL foo(SB)
	BL	bar<>(SB)  // CALL bar<>(SB)
	B	foo(SB)    // JMP foo(SB)
	BEQ	1(PC)
	BEQ	2(PC)
	TBZ	$1, R1, 2(PC)
	TBNZ	$2, R2, 2(PC)
	JMP	foo(SB)
	CALL	foo(SB)

// ADR
	ADR	next, R11     // ADR R11 // 2b000010
next:
	NOP
	ADR -2(PC), R10    // 0a000010

\ ADD $64, R18; \ ADD $64, R19; \ LXVD2X (blk_key)(R16), VS9; \ LXVD2X (blk_key)(R17), VS10; \ CMP key_len, $12, CR2; \ CMP key_len, $10; \ BEQ keysLoaded; \ LXVD2X (blk_key)(R18), VS11; \ LXVD2X (blk_key)(R19), VS12; \ BEQ CR2, keysLoaded; \ ADD $64, R16; \ ADD $64, R17; \ LXVD2X (blk_key)(R16), VS13; \ LXVD2X (blk_key)(R17), VS14; \ CMP key_len, $14; \ BEQ keysLoaded; \ MOVD R0,0(R0); \ keysLoaded: // Encrypt 1 (vin) with first 9 // keys from VS1 - VS9. #define VCIPHER_1X9_KEYS(vin) \ XXLOR VS1,...

\ ADD $64, R18; \ ADD $64, R19; \ LXVD2X (blk_key)(R16), VS9; \ LXVD2X (blk_key)(R17), VS10; \ CMP key_len, $12, CR2; \ CMP key_len, $10; \ BEQ keysLoaded; \ LXVD2X (blk_key)(R18), VS11; \ LXVD2X (blk_key)(R19), VS12; \ BEQ CR2, keysLoaded; \ ADD $64, R16; \ ADD $64, R17; \ LXVD2X (blk_key)(R16), VS13; \ LXVD2X (blk_key)(R17), VS14; \ CMP key_len, $14; \ BEQ keysLoaded; \ MOVD R0,0(R0); \ keysLoaded: // Encrypt 1 (vin) with first 9 // keys from VS1 - VS9. #define VCIPHER_1X9_KEYS(vin) \ XXLOR VS1,...

	SRA	$1, X5, X6				// 13d31240
	SRA	$1, X5					// 93d21240

	// 2.5: Control Transfer Instructions
	JAL	X5, 2(PC)				// ef028000
	JALR	X6, (X5)				// 67830200
	JALR	X6, 4(X5)				// 67834200
	BEQ	X5, X6, 2(PC)				// 63846200
	BNE	X5, X6, 2(PC)				// 63946200
	BLT	X5, X6, 2(PC)				// 63c46200
	BLTU	X5, X6, 2(PC)				// 63e46200
	BGE	X5, X6, 2(PC)				// 63d46200
	BGEU	X5, X6, 2(PC)				// 63f46200