When the ruduino compile, that fail by support error for LLVM.

[himrock922]

Hi All.

I'm trying compile ruduino on own project.
But, It do fail compile by LLVM support error.

% rustup override set nightly
info: using existing install for 'nightly-x86_64-apple-darwin'
info: override toolchain for '/Users/himrock922/Desktop/Develop/eddie' set to 'nightly-x86_64-apple-darwin'

  nightly-x86_64-apple-darwin unchanged - rustc 1.51.0-nightly (8a6518427 2021-01-16)

% rustup run cargo build -Z build-std=core --target avr-atmega328p.json --release --verbose

   Compiling ruduino v0.2.7
     Running `rustc --crate-name ruduino --edition=2018 /Users/himrock922/.cargo/registry/src/github.com-1ecc6299db9ec823/ruduino-0.2.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="avr-std-stub"' --cfg 'feature="default"' -C metadata=e7ee6d9ba5f8f19c -C extra-filename=-e7ee6d9ba5f8f19c --out-dir /Users/himrock922/Desktop/Develop/eddie/target/avr-atmega328p/release/deps --target /Users/himrock922/Desktop/Develop/eddie/avr-atmega328p.json -L dependency=/Users/himrock922/Desktop/Develop/eddie/target/avr-atmega328p/release/deps -L dependency=/Users/himrock922/Desktop/Develop/eddie/target/release/deps --extern avr_std_stub=/Users/himrock922/Desktop/Develop/eddie/target/avr-atmega328p/release/deps/libavr_std_stub-4c2127b209c7e5fe.rmeta --extern 'noprelude:compiler_builtins=/Users/himrock922/Desktop/Develop/eddie/target/avr-atmega328p/release/deps/libcompiler_builtins-489f13d764afd079.rmeta' --extern 'noprelude:core=/Users/himrock922/Desktop/Develop/eddie/target/avr-atmega328p/release/deps/libcore-3027a7a692d31aa1.rmeta' --extern target_cpu_macro=/Users/himrock922/Desktop/Develop/eddie/target/release/deps/libtarget_cpu_macro-9226fab6ffe884c4.dylib -Z unstable-options --cap-lints allow --cfg avr_mcu_atmega328p`
LLVM ERROR: Not supported instr: <MCInst 258 <MCOperand Reg:1> <MCOperand Imm:15> <MCOperand Reg:45>>
error: could not compile `compiler_builtins`

Where should I confirm with source code or library?

Versions

• LLVM

Apple clang version 12.0.0 (clang-1200.0.32.28)
Target: x86_64-apple-darwin20.2.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

• rustup

rustup --version 
rustup 1.23.1 (3df2264a9 2020-11-30)
info: This is the version for the rustup toolchain manager, not the rustc compiler.
info: The currently active `rustc` version is `rustc 1.51.0-nightly (8a6518427 2021-01-16)`

• rustc

rustc --version
rustc 1.51.0-nightly (8a6518427 2021-01-16)

• cargo

% cargo --version
cargo 1.51.0-nightly (a73e5b7d5 2021-01-12)

• nightly

% rustup show
Default host: x86_64-apple-darwin
rustup home:  /Users/himrock922/.rustup

installed toolchains
--------------------

stable-x86_64-apple-darwin (default)
nightly-x86_64-apple-darwin

active toolchain
----------------

nightly-x86_64-apple-darwin (directory override for '/Users/himrock922/Desktop/Develop/eddie')
rustc 1.51.0-nightly (8a6518427 2021-01-16)

• avr-binutils

% brew info avr-binutils
osx-cross/avr/avr-binutils: stable 2.35.1 (bottled)

% avr-gcc

% brew info avr-gcc
osx-cross/avr/avr-gcc: stable 9.3.0 (bottled)

avr-atmega328p.json

{
  "arch": "avr",
  "cpu": "atmega328p",
  "data-layout": "e-P1-p:16:8-i8:8-i16:8-i32:8-i64:8-f32:8-f64:8-n8-a:8",
  "env": "",
  "executables": true,
  "linker": "avr-gcc",
  "linker-flavor": "gcc",
  "linker-is-gnu": true,
  "llvm-target": "avr-unknown-unknown",
  "no-compiler-rt": true,
  "os": "unknown",
  "position-independent-executables": false,
  "exe-suffix": ".elf",
  "eh-frame-header": false,
  "pre-link-args": {
    "gcc": [
      "-Os",
      "-mmcu=atmega328p"
    ]
  },
  "late-link-args": {
    "gcc": [
      "-lc",
      "-lgcc"
    ]
  },
  "target-c-int-width": "16",
  "target-endian": "little",
  "target-pointer-width": "16",
  "vendor": "unknown"
}

Cargo.toml

[package]
name = "eddie"
version = "0.1.0"
authors = ["himrock922 <*****>"]
edition = "2018"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]

ruduino = "0.2.7"

[himrock922]

rust-lang/compiler-builtins#400