merryhime

"ClangFormat2": {
		"format_on_save": true,
},

merryhime

// This file is part of the smolcc project
// SPDX-License-Identifier: MIT

#pragma once

#include <memory>
#include <type_traits>

namespace detail {

merryhime

#include <cstdio>

class A {
public:
    A() = default;

    static void OverridableInit() {
        std::printf("I am in A\n");
    }

merryhime

  case Type::LowShelf:
    if(gain >= 0) {
      n = 1 / (1 + k / q + k * k);
      a0 = (1 + sqrt(v) / q * k + v * k * k) * n;
      a1 = 2 * (v * k * k - 1) * n;
      a2 = (1 - sqrt(v) / q * k + v * k * k) * n;
      b1 = 2 * (k * k - 1) * n;
      b2 = (1 - k / q + k * k) * n;
    } else {
      n = 1 / (1 + sqrt(v) / q * k + v * k * k);

merryhime

import math
import numpy
import matplotlib.pyplot as plt

def IdealH(f):
    T = 1. / 441000.          # we use the tenfold sampling frequency
    OmegaU = 1. / 15e-6
    OmegaL = 15. / 50. * OmegaU
    # Calculate filter coefficients
    V0 = OmegaL / OmegaU

merryhime

import math
import numpy
import matplotlib.pyplot as plt

def IdealH(f):
    T = 1. / 441000.          # we use the tenfold sampling frequency
    OmegaU = 1. / 15e-6
    OmegaL = 15. / 50. * OmegaU
    # Calculate filter coefficients

merryhime

void ADR(Imm<2> immlo, Imm<19> immhi, Reg Rd);
void ADRP(Imm<2> immlo, Imm<19> immhi, Reg Rd);
void ADD_addsub_imm(bool sf, Imm<2> shift, Imm<12> imm12, Reg Rn, Reg Rd);
void ADDS_addsub_imm(bool sf, Imm<2> shift, Imm<12> imm12, Reg Rn, Reg Rd);
void SUB_addsub_imm(bool sf, Imm<2> shift, Imm<12> imm12, Reg Rn, Reg Rd);
void SUBS_addsub_imm(bool sf, Imm<2> shift, Imm<12> imm12, Reg Rn, Reg Rd);
void AND_log_imm(bool sf, bool N, Imm<6> immr, Imm<6> imms, Reg Rn, Reg Rd);
void ORR_log_imm(bool sf, bool N, Imm<6> immr, Imm<6> imms, Reg Rn, Reg Rd);
void EOR_log_imm(bool sf, bool N, Imm<6> immr, Imm<6> imms, Reg Rn, Reg Rd);
void ANDS_log_imm(bool sf, bool N, Imm<6> immr, Imm<6> imms, Reg Rn, Reg Rd);

merryhime

ld1 {v4.s}[1], [x7], #4
fadd v1.2s, v1.2s, v3.2s
sshll v2.4s, v2.4h, #0
sshll v3.4s, v3.4h, #0
fmul v3.2s, v4.2s, v3.s[0]
fcvtzs w12, s0, #0xf
fsqrt s0, s0
frinta s0, s0
fmax d1, d1, d2
fmin d8, d0, d2

merryhime

These comments are based on n4663 (2017-03-25).

New Expressions

Coroutines add a small number of new expressions to the language:

• co-await expression: co_await cast-expression

Good summary: http://cpp.mimuw.edu.pl/files/await-yield-c++-coroutines.pdf

merryhime

std::uint32_t duplicate(std::uint32_t o) {
  return ((o & 0x80808080) >> 7) * 0xFF;
}

# compiler suggestion:
duplicate(unsigned int):
        shr     edi, 7
        and     edi, 16843009
        mov     eax, edi
        shl     eax, 8