wasm2go/benchmarks/generated/mem/ncruces/mem.go

// Code generated by wasm2go. DO NOT EDIT.

package ncruces

import (
	"encoding/binary"
	"math"
)

type Module struct {
	memory []byte
	maxMem int64
}

func New() *Module {
	m := new(Module)
	m.maxMem = 65536
	m.memory = make([]byte, 65536)
	return m
}

type Memory = interface {
	Slice() *[]byte
	Grow(delta, max int64) int64
}
type wasmMemory []byte

func (m *wasmMemory) Slice() *[]byte {
	return (*[]byte)(m)
}
func (m *wasmMemory) Grow(delta, max int64) int64 {
	return memory_grow((*[]byte)(m), delta, max)
}
func (m *Module) Xbench_mem(v0 int32) int32 {
	var v1, v2 int32
	v1 = i32(0)
l0:
	m.memory[uint64(uint32(v1))] = byte(v1 * i32(31) & i32(255))
	v1 = v1 + i32(1)
	if uint32(v1) < uint32(v0) {
		goto l0
	}
	v1 = i32(0)
	v2 = i32(0)
l1:
	{
		t0 := int32(load32(m.memory, uint64(uint32(v1))))
		v2 = v2 + t0
		v1 = v1 + i32(4)
		if uint32(v1) < uint32(v0) {
			goto l1
		}
	}
	return v2
}
func (m *Module) Xmemory() Memory {
	return (*wasmMemory)(&m.memory)
}

//go:nosplit
func i32(x int32) int32 { return x }

//go:nosplit
func load32(mem []byte, addr uint64) uint32 {
	return binary.LittleEndian.Uint32(mem[addr:])
}

func memory_grow(mem *[]byte, delta, max int64) int64 {
	buf := *mem
	len := int64(len(buf))
	old := len >> 16
	if delta == 0 {
		return old
	}
	new := old + delta
	add := new<<16 - len
	max = min(max, int64(math.MaxInt)>>16)
	if new > max || new < old || add < 0 {
		return -1
	}
	*mem = append(buf, make([]byte, add)...)
	return old
}