// Copyright 2025 The Go Authors. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

package asmgen

var ArchRISCV64 = &Arch{

Name: "riscv64",

WordBits: 64,

WordBytes: 8,

CarrySafeLoop: true,

regs: []string{

// X0 is zero.

// X1 is LR.

// X2 is SP.

// X3 is SB.

// X4 is TP.

// X27 is g.

// X28 and X29 are our virtual carry flags.

// X31 is the assembler/linker temporary (which we use too).

"X5", "X6", "X7", "X8", "X9",

"X10", "X11", "X12", "X13", "X14", "X15", "X16", "X17", "X18", "X19",

"X20", "X21", "X22", "X23", "X24", "X25", "X26",

"X30",

},

reg0: "X0",

regCarry: "X28",

regAltCarry: "X29",

regTmp: "X31",

mov: "MOV",

add: "ADD",

sub: "SUB",

mul: "MUL",

mulhi: "MULHU",

lsh: "SLL",

rsh: "SRL",

and: "AND",

or: "OR",

xor: "XOR",

sltu: "SLTU",

jmpZero: "BEQZ %s, %s",

jmpNonZero: "BNEZ %s, %s",

}