couchemar/wa_embedder - Change LIZLRMXKIAS26HOLF62CWPZ3GSRVOKZPMSF537OH4LALRZLRXHXAC

Some basic i32 arithm

Created by couchemar on October 9, 2021

LIZLRMXKIAS26HOLF62CWPZ3GSRVOKZPMSF537OH4LALRZLRXHXAC

Dependencies

In channels

main

Change contents

File addition: 2_int_arithm.c (----------)

[3.12]

int inc(int a) {
    return a + 1;
}
int dec(int a) {
    return a - 1;
}
int tri(int a) {
    return a * 3;
}
int third(int a) {
    return a / 3;
}

Replacement in test/wa_embedder_test.exs at line 17 [4.62]

B:BD[2.7] → [2.7:188]

  test "compile int_inc" do
    assert {:module, :"2_int_inc.opt"} = WaEmbedder.compile("test_data/2_int_inc.opt.wasm")
    assert :erlang.apply(:"2_int_inc.opt", :inc, [41]) == 42

[2.7]

[4.318]

  test "compile int_arithm" do
    assert {:module, :"2_int_arithm.opt"} = WaEmbedder.compile("test_data/2_int_arithm.opt.wasm")
    assert :erlang.apply(:"2_int_arithm.opt", :inc, [41]) == 42
    assert :erlang.apply(:"2_int_arithm.opt", :dec, [43]) == 42
    assert :erlang.apply(:"2_int_arithm.opt", :tri, [6]) == 18
    assert :erlang.apply(:"2_int_arithm.opt", :third, [6]) == 2

Insertion in test/wa_embedder_test.exs at line 30 [4.62]

[2.246]

[4.484]

    assert :erlang.apply(:"9_all.opt", :dec, [43]) == 42
    assert :erlang.apply(:"9_all.opt", :tri, [6]) == 18
    assert :erlang.apply(:"9_all.opt", :third, [6]) == 2

Replacement in lib/wa_embedder.ex at line 131 [3.1322]

B:BD[2.852] → [2.852:967]

  defp compile_instruction(:"i32.add", _params, [second, first | rest]) do
    {{:op, 4, :+, first, second}, rest}

[2.852]

[5.2304]

  @i32_binops ~W(
    i32.add
    i32.div_s
    i32.mul
    i32.sub
  )a
  defp compile_instruction(instr, _params, [second, first | rest]) when instr in @i32_binops do
    {{:op, 4, i32_binop(instr), first, second}, rest}

Insertion in lib/wa_embedder.ex at line 141 [3.1322]

[5.2310]

[3.1529]


  defp i32_binop(:"i32.add"), do: :+
  defp i32_binop(:"i32.sub"), do: :-
  defp i32_binop(:"i32.div_s"), do: :div
  defp i32_binop(:"i32.mul"), do: :*