message: comments about supported CPUs
diff: @@ -6,20 +6,33 @@ rustflags = [
  [target.'cfg(target_arch = "x86_64")']
  rustflags = [
  # "--print", "native-static-libs",
  +
  + # Enable this for optimization for your local CPU
  # "-C", "target-cpu=native",
  +
  + # Common ISA that is supported by modern CPUs
  + # https://en.wikipedia.org/wiki/SSE4
  + # Disable this line if you find "Illegal Instructions" error when running the programs
  "-C", "target-feature=+aes,+pclmul,+sse,+sse2,+sse3,+ssse3,+sse4.1,+sse4.2,+avx",
  ]
  [target.'cfg(target_arch = "x86")']
  rustflags = [
  # "--print", "native-static-libs",
  +
  + # Enable this for optimization for your local CPU
  # "-C", "target-cpu=native",
  +
  + # Common ISA that is supported by modern CPUs
  + # https://en.wikipedia.org/wiki/SSSE3
  "-C", "target-feature=+aes,+pclmul,+sse,+sse2,+sse3,+ssse3",
  ]
  [target.'cfg(target_arch = "arm")']
  rustflags = [
  # "--print", "native-static-libs",
  +
  + # Enable this for optimization for your local CPU
  # "-C", "target-cpu=native",
  ]
  @@ -29,7 +42,12 @@ rustflags = [
  [target.'cfg(target_arch = "aarch64")']
  rustflags = [
  # "--print", "native-static-libs",
  +
  + # Enable this for optimization for your local CPU
  # "-C", "target-cpu=native",
  +
  + # Common ISA that is supported by modern CPUs
  + # ARMv8-A, Cortex-A8
  "-C", "target-feature=+aes,+crypto,+neon",
  ]
  