Merge commit '35d9c6bf256968e1b40e0d554607928bdf9cebea' into sync_cg_clif-2022-02-23

This commit is contained in:
bjorn3 2022-02-23 11:49:34 +01:00
parent a063e138b6
commit b5cbb87e62
24 changed files with 843 additions and 809 deletions

67
Cargo.lock generated
View File

@ -4,9 +4,9 @@ version = 3
[[package]]
name = "anyhow"
version = "1.0.51"
version = "1.0.53"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8b26702f315f53b6071259e15dd9d64528213b44d61de1ec926eca7715d62203"
checksum = "94a45b455c14666b85fc40a019e8ab9eb75e3a124e05494f5397122bc9eb06e0"
[[package]]
name = "ar"
@ -33,18 +33,18 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "cranelift-bforest"
version = "0.78.0"
version = "0.81.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cc0cb7df82c8cf8f2e6a8dd394a0932a71369c160cc9b027dca414fced242513"
checksum = "71447555acc6c875c52c407d572fc1327dc5c34cba72b4b2e7ad048aa4e4fd19"
dependencies = [
"cranelift-entity",
]
[[package]]
name = "cranelift-codegen"
version = "0.78.0"
version = "0.81.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fe4463c15fa42eee909e61e5eac4866b7c6d22d0d8c621e57a0c5380753bfa8c"
checksum = "ec9a10261891a7a919b0d4f6aa73582e88441d9a8f6173c88efbe4a5a362ea67"
dependencies = [
"cranelift-bforest",
"cranelift-codegen-meta",
@ -59,31 +59,30 @@ dependencies = [
[[package]]
name = "cranelift-codegen-meta"
version = "0.78.0"
version = "0.81.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "793f6a94a053a55404ea16e1700202a88101672b8cd6b4df63e13cde950852bf"
checksum = "815755d76fcbcf6e17ab888545b28ab775f917cb12ce0797e60cd41a2288692c"
dependencies = [
"cranelift-codegen-shared",
"cranelift-entity",
]
[[package]]
name = "cranelift-codegen-shared"
version = "0.78.0"
version = "0.81.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "44aa1846df275bce5eb30379d65964c7afc63c05a117076e62a119c25fe174be"
checksum = "23ea92f2a67335a2e4d3c9c65624c3b14ae287d595b0650822c41824febab66b"
[[package]]
name = "cranelift-entity"
version = "0.78.0"
version = "0.81.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a3a45d8d6318bf8fc518154d9298eab2a8154ec068a8885ff113f6db8d69bb3a"
checksum = "bd25847875e388c500ad3624b4d2e14067955c93185194a7222246a25b91c975"
[[package]]
name = "cranelift-frontend"
version = "0.78.0"
version = "0.81.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e07339bd461766deb7605169de039e01954768ff730fa1254e149001884a8525"
checksum = "308bcfb7eb47bdf5ff6e1ace262af4ed39ec19f204c751fffb037e0e82a0c8bf"
dependencies = [
"cranelift-codegen",
"log",
@ -93,9 +92,9 @@ dependencies = [
[[package]]
name = "cranelift-jit"
version = "0.78.0"
version = "0.81.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0e8f0d60fb5d67f7a1e5c49db38ba96d1c846921faef02085fc5590b74781747"
checksum = "f560b3a314b8d15facf411e5d29b917c3e787a2bbc3fcdc5183bc0c5b7d4fe01"
dependencies = [
"anyhow",
"cranelift-codegen",
@ -111,21 +110,19 @@ dependencies = [
[[package]]
name = "cranelift-module"
version = "0.78.0"
version = "0.81.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "825ac7e0959cbe7ddc9cc21209f0319e611a57f9fcb2b723861fe7ef2017e651"
checksum = "3a57aba9e603d694d1430ff38bd914bae23ef9c2e44b25a65e318905807e654c"
dependencies = [
"anyhow",
"cranelift-codegen",
"cranelift-entity",
"log",
]
[[package]]
name = "cranelift-native"
version = "0.78.0"
version = "0.81.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "03e2fca76ff57e0532936a71e3fc267eae6a19a86656716479c66e7f912e3d7b"
checksum = "12cdc799aee673be2317e631d4569a1ba0a7e77a07a7ce45557086d2e02e9514"
dependencies = [
"cranelift-codegen",
"libc",
@ -134,9 +131,9 @@ dependencies = [
[[package]]
name = "cranelift-object"
version = "0.78.0"
version = "0.81.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "55500d0fc9bb05c0944fc4506649249d28f55bd4fe95b87f0e55bf41058f0e6d"
checksum = "502a7333836052fcdf4425d7f7a21264d99f862d32b9c3a0e47cd920487a9b60"
dependencies = [
"anyhow",
"cranelift-codegen",
@ -148,18 +145,18 @@ dependencies = [
[[package]]
name = "crc32fast"
version = "1.3.0"
version = "1.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "738c290dfaea84fc1ca15ad9c168d083b05a714e1efddd8edaab678dc28d2836"
checksum = "a2209c310e29876f7f0b2721e7e26b84aff178aa3da5d091f9bfbf47669e60e3"
dependencies = [
"cfg-if",
]
[[package]]
name = "gimli"
version = "0.25.0"
version = "0.26.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f0a01e0497841a3b2db4f8afa483cce65f7e96a3498bd6c541734792aeac8fe7"
checksum = "78cc372d058dcf6d5ecd98510e7fbc9e5aec4d21de70f65fea8fecebcd881bd4"
dependencies = [
"indexmap",
]
@ -182,9 +179,9 @@ dependencies = [
[[package]]
name = "libc"
version = "0.2.112"
version = "0.2.116"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
checksum = "565dbd88872dbe4cc8a46e527f26483c1d1f7afa6b884a3bd6cd893d4f98da74"
[[package]]
name = "libloading"
@ -233,9 +230,9 @@ dependencies = [
[[package]]
name = "regalloc"
version = "0.0.32"
version = "0.0.34"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a6304468554ed921da3d32c355ea107b8d13d7b8996c3adfb7aab48d3bc321f4"
checksum = "62446b1d3ebf980bdc68837700af1d77b37bc430e524bf95319c6eada2a4cc02"
dependencies = [
"log",
"rustc-hash",
@ -281,9 +278,9 @@ dependencies = [
[[package]]
name = "smallvec"
version = "1.7.0"
version = "1.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1ecab6c735a6bb4139c0caafd0cc3635748bbb3acf4550e8138122099251f309"
checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
[[package]]
name = "target-lexicon"

View File

@ -8,14 +8,14 @@ crate-type = ["dylib"]
[dependencies]
# These have to be in sync with each other
cranelift-codegen = { version = "0.78.0", features = ["unwind", "all-arch"] }
cranelift-frontend = "0.78.0"
cranelift-module = "0.78.0"
cranelift-native = "0.78.0"
cranelift-jit = { version = "0.78.0", optional = true }
cranelift-object = "0.78.0"
cranelift-codegen = { version = "0.81.0", features = ["unwind", "all-arch"] }
cranelift-frontend = "0.81.0"
cranelift-module = "0.81.0"
cranelift-native = "0.81.0"
cranelift-jit = { version = "0.81.0", optional = true }
cranelift-object = "0.81.0"
target-lexicon = "0.12.0"
gimli = { version = "0.25.0", default-features = false, features = ["write"]}
gimli = { version = "0.26.0", default-features = false, features = ["write"]}
object = { version = "0.27.0", default-features = false, features = ["std", "read_core", "write", "archive", "coff", "elf", "macho", "pe"] }
ar = { git = "https://github.com/bjorn3/rust-ar.git", branch = "do_not_remove_cg_clif_ranlib" }

View File

@ -34,15 +34,15 @@ dependencies = [
[[package]]
name = "autocfg"
version = "1.0.1"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
[[package]]
name = "cc"
version = "1.0.72"
version = "1.0.73"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
[[package]]
name = "cfg-if"
@ -56,7 +56,7 @@ dependencies = [
[[package]]
name = "compiler_builtins"
version = "0.1.66"
version = "0.1.70"
dependencies = [
"rustc-std-workspace-core",
]
@ -110,9 +110,9 @@ dependencies = [
[[package]]
name = "hashbrown"
version = "0.11.2"
version = "0.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
checksum = "8c21d40587b92fa6a6c6e3c1bdbf87d75511db5672f9c93175574b3a00df1758"
dependencies = [
"compiler_builtins",
"rustc-std-workspace-alloc",
@ -121,9 +121,9 @@ dependencies = [
[[package]]
name = "hermit-abi"
version = "0.1.19"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
checksum = "1ab7905ea95c6d9af62940f9d7dd9596d54c334ae2c15300c482051292d5637f"
dependencies = [
"compiler_builtins",
"libc",
@ -132,9 +132,9 @@ dependencies = [
[[package]]
name = "libc"
version = "0.2.112"
version = "0.2.119"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
checksum = "1bf2e165bb3457c8e098ea76f3e3bc9db55f87aa90d52d0e6be741470916aaa4"
dependencies = [
"rustc-std-workspace-core",
]
@ -319,9 +319,9 @@ dependencies = [
[[package]]
name = "wasi"
version = "0.9.0+wasi-snapshot-preview1"
version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
dependencies = [
"compiler_builtins",
"rustc-std-workspace-alloc",

View File

@ -49,7 +49,7 @@ pub(crate) fn build_backend(
cmd.env("RUSTFLAGS", rustflags);
eprintln!("[BUILD] rustc_codegen_cranelift");
crate::utils::spawn_and_wait(cmd);
super::utils::spawn_and_wait(cmd);
Path::new("target").join(host_triple).join(channel)
}

View File

@ -3,9 +3,9 @@ use std::fs;
use std::path::{Path, PathBuf};
use std::process::{self, Command};
use crate::rustc_info::{get_file_name, get_rustc_version};
use crate::utils::{spawn_and_wait, try_hard_link};
use crate::SysrootKind;
use super::rustc_info::{get_file_name, get_rustc_version};
use super::utils::{spawn_and_wait, try_hard_link};
use super::SysrootKind;
pub(crate) fn build_sysroot(
channel: &str,
@ -52,7 +52,7 @@ pub(crate) fn build_sysroot(
.arg("-g");
spawn_and_wait(build_cargo_wrapper_cmd);
let default_sysroot = crate::rustc_info::get_default_sysroot();
let default_sysroot = super::rustc_info::get_default_sysroot();
let rustlib = target_dir.join("lib").join("rustlib");
let host_rustlib_lib = rustlib.join(host_triple).join("lib");
@ -167,7 +167,7 @@ fn build_clif_sysroot_for_triple(
let build_dir = Path::new("build_sysroot").join("target").join(triple).join(channel);
if !crate::config::get_bool("keep_sysroot") {
if !super::config::get_bool("keep_sysroot") {
// Cleanup the target dir with the exception of build scripts and the incremental cache
for dir in ["build", "deps", "examples", "native"] {
if build_dir.join(dir).exists() {

127
build_system/mod.rs Normal file
View File

@ -0,0 +1,127 @@
use std::env;
use std::path::PathBuf;
use std::process;
mod build_backend;
mod build_sysroot;
mod config;
mod prepare;
mod rustc_info;
mod utils;
fn usage() {
eprintln!("Usage:");
eprintln!(" ./y.rs prepare");
eprintln!(
" ./y.rs build [--debug] [--sysroot none|clif|llvm] [--target-dir DIR] [--no-unstable-features]"
);
}
macro_rules! arg_error {
($($err:tt)*) => {{
eprintln!($($err)*);
usage();
std::process::exit(1);
}};
}
enum Command {
Build,
}
#[derive(Copy, Clone)]
pub(crate) enum SysrootKind {
None,
Clif,
Llvm,
}
pub fn main() {
env::set_var("CG_CLIF_DISPLAY_CG_TIME", "1");
env::set_var("CG_CLIF_DISABLE_INCR_CACHE", "1");
// The target dir is expected in the default location. Guard against the user changing it.
env::set_var("CARGO_TARGET_DIR", "target");
let mut args = env::args().skip(1);
let command = match args.next().as_deref() {
Some("prepare") => {
if args.next().is_some() {
arg_error!("./x.rs prepare doesn't expect arguments");
}
prepare::prepare();
process::exit(0);
}
Some("build") => Command::Build,
Some(flag) if flag.starts_with('-') => arg_error!("Expected command found flag {}", flag),
Some(command) => arg_error!("Unknown command {}", command),
None => {
usage();
process::exit(0);
}
};
let mut target_dir = PathBuf::from("build");
let mut channel = "release";
let mut sysroot_kind = SysrootKind::Clif;
let mut use_unstable_features = true;
while let Some(arg) = args.next().as_deref() {
match arg {
"--target-dir" => {
target_dir = PathBuf::from(args.next().unwrap_or_else(|| {
arg_error!("--target-dir requires argument");
}))
}
"--debug" => channel = "debug",
"--sysroot" => {
sysroot_kind = match args.next().as_deref() {
Some("none") => SysrootKind::None,
Some("clif") => SysrootKind::Clif,
Some("llvm") => SysrootKind::Llvm,
Some(arg) => arg_error!("Unknown sysroot kind {}", arg),
None => arg_error!("--sysroot requires argument"),
}
}
"--no-unstable-features" => use_unstable_features = false,
flag if flag.starts_with("-") => arg_error!("Unknown flag {}", flag),
arg => arg_error!("Unexpected argument {}", arg),
}
}
let host_triple = if let Ok(host_triple) = std::env::var("HOST_TRIPLE") {
host_triple
} else if let Some(host_triple) = config::get_value("host") {
host_triple
} else {
rustc_info::get_host_triple()
};
let target_triple = if let Ok(target_triple) = std::env::var("TARGET_TRIPLE") {
if target_triple != "" {
target_triple
} else {
host_triple.clone() // Empty target triple can happen on GHA
}
} else if let Some(target_triple) = config::get_value("target") {
target_triple
} else {
host_triple.clone()
};
if target_triple.ends_with("-msvc") {
eprintln!("The MSVC toolchain is not yet supported by rustc_codegen_cranelift.");
eprintln!("Switch to the MinGW toolchain for Windows support.");
eprintln!("Hint: You can use `rustup set default-host x86_64-pc-windows-gnu` to");
eprintln!("set the global default target to MinGW");
process::exit(1);
}
let cg_clif_build_dir =
build_backend::build_backend(channel, &host_triple, use_unstable_features);
build_sysroot::build_sysroot(
channel,
sysroot_kind,
&target_dir,
cg_clif_build_dir,
&host_triple,
&target_triple,
);
}

View File

@ -5,8 +5,8 @@ use std::fs;
use std::path::Path;
use std::process::Command;
use crate::rustc_info::{get_file_name, get_rustc_path, get_rustc_version};
use crate::utils::{copy_dir_recursively, spawn_and_wait};
use super::rustc_info::{get_file_name, get_rustc_path, get_rustc_version};
use super::utils::{copy_dir_recursively, spawn_and_wait};
pub(crate) fn prepare() {
prepare_sysroot();
@ -92,7 +92,7 @@ fn prepare_sysroot() {
clone_repo(
"build_sysroot/compiler-builtins",
"https://github.com/rust-lang/compiler-builtins.git",
"0.1.66",
"0.1.70",
);
apply_patches("compiler-builtins", Path::new("build_sysroot/compiler-builtins"));
}

View File

@ -2,5 +2,5 @@
set -e
rm -rf build_sysroot/{sysroot_src/,target/,compiler-builtins/,rustc_version}
rm -rf target/ build/ perf.data{,.old}
rm -rf target/ build/ perf.data{,.old} y.bin
rm -rf rand/ regex/ simple-raytracer/ portable-simd/

View File

@ -13,33 +13,33 @@ index 107762c..2d1ae10 100644
--- a/src/mem/mod.rs
+++ b/src/mem/mod.rs
@@ -137,10 +137,6 @@ intrinsics! {
pub extern "C" fn __llvm_memcpy_element_unordered_atomic_8(dest: *mut u64, src: *const u64, bytes: usize) -> () {
pub unsafe extern "C" fn __llvm_memcpy_element_unordered_atomic_8(dest: *mut u64, src: *const u64, bytes: usize) -> () {
memcpy_element_unordered_atomic(dest, src, bytes);
}
- #[cfg(target_has_atomic_load_store = "128")]
- pub extern "C" fn __llvm_memcpy_element_unordered_atomic_16(dest: *mut u128, src: *const u128, bytes: usize) -> () {
- pub unsafe extern "C" fn __llvm_memcpy_element_unordered_atomic_16(dest: *mut u128, src: *const u128, bytes: usize) -> () {
- memcpy_element_unordered_atomic(dest, src, bytes);
- }
#[cfg(target_has_atomic_load_store = "8")]
pub extern "C" fn __llvm_memmove_element_unordered_atomic_1(dest: *mut u8, src: *const u8, bytes: usize) -> () {
pub unsafe extern "C" fn __llvm_memmove_element_unordered_atomic_1(dest: *mut u8, src: *const u8, bytes: usize) -> () {
@@ -158,10 +154,6 @@ intrinsics! {
pub extern "C" fn __llvm_memmove_element_unordered_atomic_8(dest: *mut u64, src: *const u64, bytes: usize) -> () {
pub unsafe extern "C" fn __llvm_memmove_element_unordered_atomic_8(dest: *mut u64, src: *const u64, bytes: usize) -> () {
memmove_element_unordered_atomic(dest, src, bytes);
}
- #[cfg(target_has_atomic_load_store = "128")]
- pub extern "C" fn __llvm_memmove_element_unordered_atomic_16(dest: *mut u128, src: *const u128, bytes: usize) -> () {
- pub unsafe extern "C" fn __llvm_memmove_element_unordered_atomic_16(dest: *mut u128, src: *const u128, bytes: usize) -> () {
- memmove_element_unordered_atomic(dest, src, bytes);
- }
#[cfg(target_has_atomic_load_store = "8")]
pub extern "C" fn __llvm_memset_element_unordered_atomic_1(s: *mut u8, c: u8, bytes: usize) -> () {
pub unsafe extern "C" fn __llvm_memset_element_unordered_atomic_1(s: *mut u8, c: u8, bytes: usize) -> () {
@@ -179,8 +171,4 @@ intrinsics! {
pub extern "C" fn __llvm_memset_element_unordered_atomic_8(s: *mut u64, c: u8, bytes: usize) -> () {
pub unsafe extern "C" fn __llvm_memset_element_unordered_atomic_8(s: *mut u64, c: u8, bytes: usize) -> () {
memset_element_unordered_atomic(s, c, bytes);
}
- #[cfg(target_has_atomic_load_store = "128")]
- pub extern "C" fn __llvm_memset_element_unordered_atomic_16(s: *mut u128, c: u8, bytes: usize) -> () {
- pub unsafe extern "C" fn __llvm_memset_element_unordered_atomic_16(s: *mut u128, c: u8, bytes: usize) -> () {
- memset_element_unordered_atomic(s, c, bytes);
- }
}

View File

@ -22,7 +22,7 @@ index 0000000..46fd999
+[package]
+name = "core"
+version = "0.0.0"
+edition = "2018"
+edition = "2021"
+
+[lib]
+name = "coretests"
@ -44,7 +44,7 @@ index 1a6be3a..42dbd59 100644
--- a/library/core/tests/ptr.rs
+++ b/library/core/tests/ptr.rs
@@ -250,6 +250,7 @@ fn test_unsized_nonnull() {
assert!(ys == zs);
};
}
+/*

View File

@ -8,7 +8,6 @@ Cranelift doesn't support them yet
library/core/src/panic/unwind_safe.rs | 6 -----
library/core/src/sync/atomic.rs | 38 ---------------------------
library/core/tests/atomic.rs | 4 ---
library/std/src/time/monotonic.rs | 6 +++--
4 files changed, 4 insertions(+), 50 deletions(-)
diff --git a/library/core/src/panic/unwind_safe.rs b/library/core/src/panic/unwind_safe.rs
@ -99,38 +98,6 @@ index b735957..ea728b6 100644
#[cfg(target_has_atomic = "ptr")]
assert_eq!(align_of::<AtomicUsize>(), size_of::<AtomicUsize>());
#[cfg(target_has_atomic = "ptr")]
diff --git a/library/std/src/time/monotonic.rs b/library/std/src/time/monotonic.rs
index fa96b7a..2854f9c 100644
--- a/library/std/src/time/monotonic.rs
+++ b/library/std/src/time/monotonic.rs
@@ -5,7 +5,7 @@ pub(super) fn monotonize(raw: time::Instant) -> time::Instant {
inner::monotonize(raw)
}
-#[cfg(any(all(target_has_atomic = "64", not(target_has_atomic = "128")), target_arch = "aarch64"))]
+#[cfg(target_has_atomic = "64")]
pub mod inner {
use crate::sync::atomic::AtomicU64;
use crate::sync::atomic::Ordering::*;
@@ -70,6 +70,7 @@ pub mod inner {
}
}
+/*
#[cfg(all(target_has_atomic = "128", not(target_arch = "aarch64")))]
pub mod inner {
use crate::sync::atomic::AtomicU128;
@@ -94,8 +95,9 @@ pub mod inner {
ZERO.checked_add_duration(&Duration::new(secs, nanos)).unwrap()
}
}
+*/
-#[cfg(not(any(target_has_atomic = "64", target_has_atomic = "128")))]
+#[cfg(not(target_has_atomic = "64"))]
pub mod inner {
use crate::cmp;
use crate::sys::time;
--
2.26.2.7.g19db9cfb68

View File

@ -1,3 +1,3 @@
[toolchain]
channel = "nightly-2021-12-30"
channel = "nightly-2022-02-23"
components = ["rust-src", "rustc-dev", "llvm-tools-preview"]

View File

@ -8,7 +8,7 @@ source ./scripts/setup_rust_fork.sh
echo "[TEST] Test suite of rustc"
pushd rust
cargo install ripgrep
command -v rg >/dev/null 2>&1 || cargo install ripgrep
rm -r src/test/ui/{extern/,panics/,unsized-locals/,lto/,simd*,linkage*,unwind-*.rs} || true
for test in $(rg --files-with-matches "asm!|catch_unwind|should_panic|lto|// needs-asm-support" src/test/ui); do
@ -78,6 +78,8 @@ rm src/test/ui/intrinsics/const-eval-select-x86_64.rs # same
rm src/test/ui/match/issue-82392.rs # differing error
rm src/test/ui/consts/min_const_fn/address_of_const.rs # same
rm src/test/ui/consts/issue-miri-1910.rs # same
rm src/test/ui/generic-associated-types/bugs/issue-80626.rs # same
rm src/test/ui/generic-associated-types/bugs/issue-89008.rs # same
rm src/test/ui/type-alias-impl-trait/cross_crate_ice*.rs # requires removed aux dep
rm src/test/ui/allocator/no_std-alloc-error-handler-default.rs # missing rust_oom definition
@ -98,6 +100,7 @@ rm src/test/ui/abi/stack-protector.rs # requires stack protector support
rm src/test/incremental/issue-80691-bad-eval-cache.rs # wrong exit code
rm src/test/incremental/spike-neg1.rs # errors out for some reason
rm src/test/incremental/spike-neg2.rs # same
rm src/test/ui/issues/issue-74564-if-expr-stack-overflow.rs # gives a stackoverflow before the backend runs
rm src/test/incremental/thinlto/cgu_invalidated_when_import_{added,removed}.rs # requires LLVM

View File

@ -3,7 +3,6 @@
use crate::prelude::*;
use cranelift_codegen::binemit::{NullStackMapSink, NullTrapSink};
use rustc_ast::expand::allocator::{AllocatorKind, AllocatorTy, ALLOCATOR_METHODS};
/// Returns whether an allocator shim was created
@ -91,9 +90,7 @@ fn codegen_inner(
bcx.seal_all_blocks();
bcx.finalize();
}
module
.define_function(func_id, &mut ctx, &mut NullTrapSink {}, &mut NullStackMapSink {})
.unwrap();
module.define_function(func_id, &mut ctx).unwrap();
unwind_context.add_function(func_id, &ctx, module.isa());
}
@ -130,8 +127,6 @@ fn codegen_inner(
bcx.seal_all_blocks();
bcx.finalize();
}
module
.define_function(func_id, &mut ctx, &mut NullTrapSink {}, &mut NullStackMapSink {})
.unwrap();
module.define_function(func_id, &mut ctx).unwrap();
unwind_context.add_function(func_id, &ctx, module.isa());
}

View File

@ -1,13 +1,15 @@
//! Codegen of a single function
use cranelift_codegen::binemit::{NullStackMapSink, NullTrapSink};
use rustc_ast::InlineAsmOptions;
use rustc_index::vec::IndexVec;
use rustc_middle::ty::adjustment::PointerCast;
use rustc_middle::ty::layout::FnAbiOf;
use indexmap::IndexSet;
use crate::constant::ConstantCx;
use crate::prelude::*;
use crate::pretty_clif::CommentWriter;
pub(crate) fn codegen_fn<'tcx>(
cx: &mut crate::CodegenCx<'tcx>,
@ -99,27 +101,54 @@ pub(crate) fn codegen_fn<'tcx>(
// Recover all necessary data from fx, before accessing func will prevent future access to it.
let instance = fx.instance;
let mut clif_comments = fx.clif_comments;
let clif_comments = fx.clif_comments;
let source_info_set = fx.source_info_set;
let local_map = fx.local_map;
fx.constants_cx.finalize(fx.tcx, &mut *fx.module);
// Store function in context
let context = &mut cx.cached_context;
context.func = func;
crate::pretty_clif::write_clif_file(
tcx,
"unopt",
module.isa(),
instance,
&context,
&func,
&clif_comments,
);
// Verify function
verify_func(tcx, &clif_comments, &context.func);
verify_func(tcx, &clif_comments, &func);
compile_fn(
cx,
module,
instance,
symbol_name.name,
func_id,
func,
clif_comments,
source_info_set,
local_map,
);
}
fn compile_fn<'tcx>(
cx: &mut crate::CodegenCx<'tcx>,
module: &mut dyn Module,
instance: Instance<'tcx>,
symbol_name: &str,
func_id: FuncId,
func: Function,
mut clif_comments: CommentWriter,
source_info_set: IndexSet<SourceInfo>,
local_map: IndexVec<mir::Local, CPlace<'tcx>>,
) {
let tcx = cx.tcx;
// Store function in context
let context = &mut cx.cached_context;
context.clear();
context.func = func;
// If the return block is not reachable, then the SSA builder may have inserted an `iconst.i128`
// instruction, which doesn't have an encoding.
@ -145,9 +174,7 @@ pub(crate) fn codegen_fn<'tcx>(
// Define function
tcx.sess.time("define function", || {
context.want_disasm = crate::pretty_clif::should_write_ir(tcx);
module
.define_function(func_id, context, &mut NullTrapSink {}, &mut NullStackMapSink {})
.unwrap()
module.define_function(func_id, context).unwrap()
});
// Write optimized function to file for debugging
@ -156,7 +183,7 @@ pub(crate) fn codegen_fn<'tcx>(
"opt",
module.isa(),
instance,
&context,
&context.func,
&clif_comments,
);
@ -177,7 +204,7 @@ pub(crate) fn codegen_fn<'tcx>(
debug_context.define_function(
instance,
func_id,
symbol_name.name,
symbol_name,
isa,
context,
&source_info_set,
@ -186,9 +213,6 @@ pub(crate) fn codegen_fn<'tcx>(
}
unwind_context.add_function(func_id, &context, isa);
});
// Clear context to make it usable for the next function
context.clear();
}
pub(crate) fn verify_func(

View File

@ -56,6 +56,9 @@ fn emit_module(
let tmp_file = tcx.output_filenames(()).temp_path(OutputType::Object, Some(&name));
let obj = product.object.write().unwrap();
tcx.sess.prof.artifact_size("object_file", name.clone(), obj.len().try_into().unwrap());
if let Err(err) = std::fs::write(&tmp_file, obj) {
tcx.sess.fatal(&format!("error writing object file: {}", err));
}

View File

@ -7,7 +7,6 @@ use std::lazy::SyncOnceCell;
use std::os::raw::{c_char, c_int};
use std::sync::{mpsc, Mutex};
use cranelift_codegen::binemit::{NullStackMapSink, NullTrapSink};
use rustc_codegen_ssa::CrateInfo;
use rustc_middle::mir::mono::MonoItem;
use rustc_session::Session;
@ -381,12 +380,5 @@ fn codegen_shim<'tcx>(cx: &mut CodegenCx<'tcx>, module: &mut JITModule, inst: In
let ret_vals = trampoline_builder.func.dfg.inst_results(call_inst).to_vec();
trampoline_builder.ins().return_(&ret_vals);
module
.define_function(
func_id,
&mut cx.cached_context,
&mut NullTrapSink {},
&mut NullStackMapSink {},
)
.unwrap();
module.define_function(func_id, &mut cx.cached_context).unwrap();
}

View File

@ -8,14 +8,14 @@ use rustc_middle::ty::subst::SubstsRef;
pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
intrinsic: &str,
substs: SubstsRef<'tcx>,
_substs: SubstsRef<'tcx>,
args: &[mir::Operand<'tcx>],
destination: Option<(CPlace<'tcx>, BasicBlock)>,
) {
let ret = destination.unwrap().0;
intrinsic_match! {
fx, intrinsic, substs, args,
fx, intrinsic, args,
_ => {
fx.tcx.sess.warn(&format!("unsupported llvm intrinsic {}; replacing with trap", intrinsic));
crate::trap::trap_unimplemented(fx, intrinsic);
@ -52,8 +52,8 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
ret.write_cvalue(fx, res);
};
"llvm.x86.sse2.cmp.ps" | "llvm.x86.sse2.cmp.pd", (c x, c y, o kind) {
let kind_const = crate::constant::mir_operand_get_const_val(fx, kind).expect("llvm.x86.sse2.cmp.* kind not const");
let flt_cc = match kind_const.try_to_bits(Size::from_bytes(1)).unwrap_or_else(|| panic!("kind not scalar: {:?}", kind_const)) {
let kind = crate::constant::mir_operand_get_const_val(fx, kind).expect("llvm.x86.sse2.cmp.* kind not const");
let flt_cc = match kind.try_to_bits(Size::from_bytes(1)).unwrap_or_else(|| panic!("kind not scalar: {:?}", kind)) {
0 => FloatCC::Equal,
1 => FloatCC::LessThan,
2 => FloatCC::LessThanOrEqual,
@ -73,32 +73,30 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
kind => unreachable!("kind {:?}", kind),
};
simd_pair_for_each_lane(fx, x, y, ret, |fx, lane_layout, res_lane_layout, x_lane, y_lane| {
let res_lane = match lane_layout.ty.kind() {
simd_pair_for_each_lane(fx, x, y, ret, &|fx, lane_ty, res_lane_ty, x_lane, y_lane| {
let res_lane = match lane_ty.kind() {
ty::Float(_) => fx.bcx.ins().fcmp(flt_cc, x_lane, y_lane),
_ => unreachable!("{:?}", lane_layout.ty),
_ => unreachable!("{:?}", lane_ty),
};
bool_to_zero_or_max_uint(fx, res_lane_layout, res_lane)
bool_to_zero_or_max_uint(fx, res_lane_ty, res_lane)
});
};
"llvm.x86.sse2.psrli.d", (c a, o imm8) {
let imm8 = crate::constant::mir_operand_get_const_val(fx, imm8).expect("llvm.x86.sse2.psrli.d imm8 not const");
simd_for_each_lane(fx, a, ret, |fx, _lane_layout, res_lane_layout, lane| {
let res_lane = match imm8.try_to_bits(Size::from_bytes(4)).unwrap_or_else(|| panic!("imm8 not scalar: {:?}", imm8)) {
simd_for_each_lane(fx, a, ret, &|fx, _lane_ty, _res_lane_ty, lane| {
match imm8.try_to_bits(Size::from_bytes(4)).unwrap_or_else(|| panic!("imm8 not scalar: {:?}", imm8)) {
imm8 if imm8 < 32 => fx.bcx.ins().ushr_imm(lane, i64::from(imm8 as u8)),
_ => fx.bcx.ins().iconst(types::I32, 0),
};
CValue::by_val(res_lane, res_lane_layout)
}
});
};
"llvm.x86.sse2.pslli.d", (c a, o imm8) {
let imm8 = crate::constant::mir_operand_get_const_val(fx, imm8).expect("llvm.x86.sse2.psrli.d imm8 not const");
simd_for_each_lane(fx, a, ret, |fx, _lane_layout, res_lane_layout, lane| {
let res_lane = match imm8.try_to_bits(Size::from_bytes(4)).unwrap_or_else(|| panic!("imm8 not scalar: {:?}", imm8)) {
simd_for_each_lane(fx, a, ret, &|fx, _lane_ty, _res_lane_ty, lane| {
match imm8.try_to_bits(Size::from_bytes(4)).unwrap_or_else(|| panic!("imm8 not scalar: {:?}", imm8)) {
imm8 if imm8 < 32 => fx.bcx.ins().ishl_imm(lane, i64::from(imm8 as u8)),
_ => fx.bcx.ins().iconst(types::I32, 0),
};
CValue::by_val(res_lane, res_lane_layout)
}
});
};
"llvm.x86.sse2.storeu.dq", (v mem_addr, c a) {

View File

@ -9,7 +9,8 @@ pub(crate) use cpuid::codegen_cpuid_call;
pub(crate) use llvm::codegen_llvm_intrinsic_call;
use rustc_middle::ty::print::with_no_trimmed_paths;
use rustc_span::symbol::{kw, sym};
use rustc_middle::ty::subst::SubstsRef;
use rustc_span::symbol::{kw, sym, Symbol};
use crate::prelude::*;
use cranelift_codegen::ir::AtomicRmwOp;
@ -30,51 +31,29 @@ macro intrinsic_pat {
}
macro intrinsic_arg {
(o $fx:expr, $arg:ident) => {
$arg
},
(o $fx:expr, $arg:ident) => {},
(c $fx:expr, $arg:ident) => {
codegen_operand($fx, $arg)
let $arg = codegen_operand($fx, $arg);
},
(v $fx:expr, $arg:ident) => {
codegen_operand($fx, $arg).load_scalar($fx)
}
}
macro intrinsic_substs {
($substs:expr, $index:expr,) => {},
($substs:expr, $index:expr, $first:ident $(,$rest:ident)*) => {
let $first = $substs.type_at($index);
intrinsic_substs!($substs, $index+1, $($rest),*);
let $arg = codegen_operand($fx, $arg).load_scalar($fx);
}
}
macro intrinsic_match {
($fx:expr, $intrinsic:expr, $substs:expr, $args:expr,
($fx:expr, $intrinsic:expr, $args:expr,
_ => $unknown:block;
$(
$($($name:tt).*)|+ $(if $cond:expr)?, $(<$($subst:ident),*>)? ($($a:ident $arg:ident),*) $content:block;
$($($name:tt).*)|+ $(if $cond:expr)?, ($($a:ident $arg:ident),*) $content:block;
)*) => {
let _ = $substs; // Silence warning when substs is unused.
match $intrinsic {
$(
$(intrinsic_pat!($($name).*))|* $(if $cond)? => {
#[allow(unused_parens, non_snake_case)]
{
$(
intrinsic_substs!($substs, 0, $($subst),*);
)?
if let [$($arg),*] = $args {
let ($($arg,)*) = (
$(intrinsic_arg!($a $fx, $arg),)*
);
#[warn(unused_parens, non_snake_case)]
{
$content
}
} else {
bug!("wrong number of args for intrinsic {:?}", $intrinsic);
}
if let [$($arg),*] = $args {
$(intrinsic_arg!($a $fx, $arg);)*
$content
} else {
bug!("wrong number of args for intrinsic {:?}", $intrinsic);
}
}
)*
@ -83,63 +62,21 @@ macro intrinsic_match {
}
}
macro call_intrinsic_match {
($fx:expr, $intrinsic:expr, $substs:expr, $ret:expr, $destination:expr, $args:expr, $(
$name:ident($($arg:ident),*) -> $ty:ident => $func:ident,
)*) => {
match $intrinsic {
$(
sym::$name => {
assert!($substs.is_empty());
if let [$(ref $arg),*] = *$args {
let ($($arg,)*) = (
$(codegen_operand($fx, $arg),)*
);
let res = $fx.easy_call(stringify!($func), &[$($arg),*], $fx.tcx.types.$ty);
$ret.write_cvalue($fx, res);
if let Some((_, dest)) = $destination {
let ret_block = $fx.get_block(dest);
$fx.bcx.ins().jump(ret_block, &[]);
return;
} else {
unreachable!();
}
} else {
bug!("wrong number of args for intrinsic {:?}", $intrinsic);
}
}
)*
_ => {}
}
}
}
macro validate_atomic_type($fx:ident, $intrinsic:ident, $span:ident, $ty:expr) {
match $ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
$fx.tcx.sess.span_err(
$span,
&format!(
"`{}` intrinsic: expected basic integer or raw pointer type, found `{:?}`",
$intrinsic, $ty
),
);
// Prevent verifier error
crate::trap::trap_unreachable($fx, "compilation should not have succeeded");
return;
}
}
}
macro validate_simd_type($fx:ident, $intrinsic:ident, $span:ident, $ty:expr) {
if !$ty.is_simd() {
$fx.tcx.sess.span_err($span, &format!("invalid monomorphization of `{}` intrinsic: expected SIMD input type, found non-SIMD `{}`", $intrinsic, $ty));
// Prevent verifier error
crate::trap::trap_unreachable($fx, "compilation should not have succeeded");
return;
}
fn report_atomic_type_validation_error<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
intrinsic: Symbol,
span: Span,
ty: Ty<'tcx>,
) {
fx.tcx.sess.span_err(
span,
&format!(
"`{}` intrinsic: expected basic integer or raw pointer type, found `{:?}`",
intrinsic, ty
),
);
// Prevent verifier error
crate::trap::trap_unreachable(fx, "compilation should not have succeeded");
}
pub(crate) fn clif_vector_type<'tcx>(tcx: TyCtxt<'tcx>, layout: TyAndLayout<'tcx>) -> Option<Type> {
@ -159,12 +96,7 @@ fn simd_for_each_lane<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
val: CValue<'tcx>,
ret: CPlace<'tcx>,
f: impl Fn(
&mut FunctionCx<'_, '_, 'tcx>,
TyAndLayout<'tcx>,
TyAndLayout<'tcx>,
Value,
) -> CValue<'tcx>,
f: &dyn Fn(&mut FunctionCx<'_, '_, 'tcx>, Ty<'tcx>, Ty<'tcx>, Value) -> Value,
) {
let layout = val.layout();
@ -177,7 +109,8 @@ fn simd_for_each_lane<'tcx>(
for lane_idx in 0..lane_count {
let lane = val.value_lane(fx, lane_idx).load_scalar(fx);
let res_lane = f(fx, lane_layout, ret_lane_layout, lane);
let res_lane = f(fx, lane_layout.ty, ret_lane_layout.ty, lane);
let res_lane = CValue::by_val(res_lane, ret_lane_layout);
ret.place_lane(fx, lane_idx).write_cvalue(fx, res_lane);
}
@ -188,13 +121,7 @@ fn simd_pair_for_each_lane<'tcx>(
x: CValue<'tcx>,
y: CValue<'tcx>,
ret: CPlace<'tcx>,
f: impl Fn(
&mut FunctionCx<'_, '_, 'tcx>,
TyAndLayout<'tcx>,
TyAndLayout<'tcx>,
Value,
Value,
) -> CValue<'tcx>,
f: &dyn Fn(&mut FunctionCx<'_, '_, 'tcx>, Ty<'tcx>, Ty<'tcx>, Value, Value) -> Value,
) {
assert_eq!(x.layout(), y.layout());
let layout = x.layout();
@ -209,7 +136,8 @@ fn simd_pair_for_each_lane<'tcx>(
let x_lane = x.value_lane(fx, lane_idx).load_scalar(fx);
let y_lane = y.value_lane(fx, lane_idx).load_scalar(fx);
let res_lane = f(fx, lane_layout, ret_lane_layout, x_lane, y_lane);
let res_lane = f(fx, lane_layout.ty, ret_lane_layout.ty, x_lane, y_lane);
let res_lane = CValue::by_val(res_lane, ret_lane_layout);
ret.place_lane(fx, lane_idx).write_cvalue(fx, res_lane);
}
@ -220,7 +148,7 @@ fn simd_reduce<'tcx>(
val: CValue<'tcx>,
acc: Option<Value>,
ret: CPlace<'tcx>,
f: impl Fn(&mut FunctionCx<'_, '_, 'tcx>, TyAndLayout<'tcx>, Value, Value) -> Value,
f: &dyn Fn(&mut FunctionCx<'_, '_, 'tcx>, Ty<'tcx>, Value, Value) -> Value,
) {
let (lane_count, lane_ty) = val.layout().ty.simd_size_and_type(fx.tcx);
let lane_layout = fx.layout_of(lane_ty);
@ -230,7 +158,7 @@ fn simd_reduce<'tcx>(
if let Some(acc) = acc { (acc, 0) } else { (val.value_lane(fx, 0).load_scalar(fx), 1) };
for lane_idx in start_lane..lane_count {
let lane = val.value_lane(fx, lane_idx).load_scalar(fx);
res_val = f(fx, lane_layout, res_val, lane);
res_val = f(fx, lane_layout.ty, res_val, lane);
}
let res = CValue::by_val(res_val, lane_layout);
ret.write_cvalue(fx, res);
@ -241,7 +169,7 @@ fn simd_reduce_bool<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
val: CValue<'tcx>,
ret: CPlace<'tcx>,
f: impl Fn(&mut FunctionCx<'_, '_, 'tcx>, Value, Value) -> Value,
f: &dyn Fn(&mut FunctionCx<'_, '_, 'tcx>, Value, Value) -> Value,
) {
let (lane_count, _lane_ty) = val.layout().ty.simd_size_and_type(fx.tcx);
assert!(ret.layout().ty.is_bool());
@ -264,10 +192,10 @@ fn simd_reduce_bool<'tcx>(
fn bool_to_zero_or_max_uint<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
layout: TyAndLayout<'tcx>,
ty: Ty<'tcx>,
val: Value,
) -> CValue<'tcx> {
let ty = fx.clif_type(layout.ty).unwrap();
) -> Value {
let ty = fx.clif_type(ty).unwrap();
let int_ty = match ty {
types::F32 => types::I32,
@ -282,122 +210,7 @@ fn bool_to_zero_or_max_uint<'tcx>(
res = fx.bcx.ins().bitcast(ty, res);
}
CValue::by_val(res, layout)
}
macro simd_cmp {
($fx:expr, $cc:ident|$cc_f:ident($x:ident, $y:ident) -> $ret:ident) => {
let vector_ty = clif_vector_type($fx.tcx, $x.layout());
if let Some(vector_ty) = vector_ty {
let x = $x.load_scalar($fx);
let y = $y.load_scalar($fx);
let val = if vector_ty.lane_type().is_float() {
$fx.bcx.ins().fcmp(FloatCC::$cc_f, x, y)
} else {
$fx.bcx.ins().icmp(IntCC::$cc, x, y)
};
// HACK This depends on the fact that icmp for vectors represents bools as 0 and !0, not 0 and 1.
let val = $fx.bcx.ins().raw_bitcast(vector_ty, val);
$ret.write_cvalue($fx, CValue::by_val(val, $ret.layout()));
} else {
simd_pair_for_each_lane(
$fx,
$x,
$y,
$ret,
|fx, lane_layout, res_lane_layout, x_lane, y_lane| {
let res_lane = match lane_layout.ty.kind() {
ty::Uint(_) | ty::Int(_) => fx.bcx.ins().icmp(IntCC::$cc, x_lane, y_lane),
ty::Float(_) => fx.bcx.ins().fcmp(FloatCC::$cc_f, x_lane, y_lane),
_ => unreachable!("{:?}", lane_layout.ty),
};
bool_to_zero_or_max_uint(fx, res_lane_layout, res_lane)
},
);
}
},
($fx:expr, $cc_u:ident|$cc_s:ident|$cc_f:ident($x:ident, $y:ident) -> $ret:ident) => {
// FIXME use vector icmp when possible
simd_pair_for_each_lane(
$fx,
$x,
$y,
$ret,
|fx, lane_layout, res_lane_layout, x_lane, y_lane| {
let res_lane = match lane_layout.ty.kind() {
ty::Uint(_) => fx.bcx.ins().icmp(IntCC::$cc_u, x_lane, y_lane),
ty::Int(_) => fx.bcx.ins().icmp(IntCC::$cc_s, x_lane, y_lane),
ty::Float(_) => fx.bcx.ins().fcmp(FloatCC::$cc_f, x_lane, y_lane),
_ => unreachable!("{:?}", lane_layout.ty),
};
bool_to_zero_or_max_uint(fx, res_lane_layout, res_lane)
},
);
},
}
macro simd_int_binop {
($fx:expr, $op:ident($x:ident, $y:ident) -> $ret:ident) => {
simd_int_binop!($fx, $op|$op($x, $y) -> $ret);
},
($fx:expr, $op_u:ident|$op_s:ident($x:ident, $y:ident) -> $ret:ident) => {
simd_pair_for_each_lane(
$fx,
$x,
$y,
$ret,
|fx, lane_layout, ret_lane_layout, x_lane, y_lane| {
let res_lane = match lane_layout.ty.kind() {
ty::Uint(_) => fx.bcx.ins().$op_u(x_lane, y_lane),
ty::Int(_) => fx.bcx.ins().$op_s(x_lane, y_lane),
_ => unreachable!("{:?}", lane_layout.ty),
};
CValue::by_val(res_lane, ret_lane_layout)
},
);
},
}
macro simd_int_flt_binop {
($fx:expr, $op:ident|$op_f:ident($x:ident, $y:ident) -> $ret:ident) => {
simd_int_flt_binop!($fx, $op|$op|$op_f($x, $y) -> $ret);
},
($fx:expr, $op_u:ident|$op_s:ident|$op_f:ident($x:ident, $y:ident) -> $ret:ident) => {
simd_pair_for_each_lane(
$fx,
$x,
$y,
$ret,
|fx, lane_layout, ret_lane_layout, x_lane, y_lane| {
let res_lane = match lane_layout.ty.kind() {
ty::Uint(_) => fx.bcx.ins().$op_u(x_lane, y_lane),
ty::Int(_) => fx.bcx.ins().$op_s(x_lane, y_lane),
ty::Float(_) => fx.bcx.ins().$op_f(x_lane, y_lane),
_ => unreachable!("{:?}", lane_layout.ty),
};
CValue::by_val(res_lane, ret_lane_layout)
},
);
},
}
macro simd_flt_binop($fx:expr, $op:ident($x:ident, $y:ident) -> $ret:ident) {
simd_pair_for_each_lane(
$fx,
$x,
$y,
$ret,
|fx, lane_layout, ret_lane_layout, x_lane, y_lane| {
let res_lane = match lane_layout.ty.kind() {
ty::Float(_) => fx.bcx.ins().$op(x_lane, y_lane),
_ => unreachable!("{:?}", lane_layout.ty),
};
CValue::by_val(res_lane, ret_lane_layout)
},
);
res
}
pub(crate) fn codegen_intrinsic_call<'tcx>(
@ -428,59 +241,111 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
if intrinsic.as_str().starts_with("simd_") {
self::simd::codegen_simd_intrinsic_call(fx, instance, args, ret, span);
self::simd::codegen_simd_intrinsic_call(fx, intrinsic, substs, args, ret, span);
let ret_block = fx.get_block(destination.expect("SIMD intrinsics don't diverge").1);
fx.bcx.ins().jump(ret_block, &[]);
return;
} else if codegen_float_intrinsic_call(fx, intrinsic, args, ret) {
let ret_block = fx.get_block(destination.expect("Float intrinsics don't diverge").1);
fx.bcx.ins().jump(ret_block, &[]);
} else {
codegen_regular_intrinsic_call(
fx,
instance,
intrinsic,
substs,
args,
ret,
span,
destination,
);
}
}
fn codegen_float_intrinsic_call<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
intrinsic: Symbol,
args: &[mir::Operand<'tcx>],
ret: CPlace<'tcx>,
) -> bool {
let (name, arg_count, ty) = match intrinsic {
sym::expf32 => ("expf", 1, fx.tcx.types.f32),
sym::expf64 => ("exp", 1, fx.tcx.types.f64),
sym::exp2f32 => ("exp2f", 1, fx.tcx.types.f32),
sym::exp2f64 => ("exp2", 1, fx.tcx.types.f64),
sym::sqrtf32 => ("sqrtf", 1, fx.tcx.types.f32),
sym::sqrtf64 => ("sqrt", 1, fx.tcx.types.f64),
sym::powif32 => ("__powisf2", 2, fx.tcx.types.f32), // compiler-builtins
sym::powif64 => ("__powidf2", 2, fx.tcx.types.f64), // compiler-builtins
sym::powf32 => ("powf", 2, fx.tcx.types.f32),
sym::powf64 => ("pow", 2, fx.tcx.types.f64),
sym::logf32 => ("logf", 1, fx.tcx.types.f32),
sym::logf64 => ("log", 1, fx.tcx.types.f64),
sym::log2f32 => ("log2f", 1, fx.tcx.types.f32),
sym::log2f64 => ("log2", 1, fx.tcx.types.f64),
sym::log10f32 => ("log10f", 1, fx.tcx.types.f32),
sym::log10f64 => ("log10", 1, fx.tcx.types.f64),
sym::fabsf32 => ("fabsf", 1, fx.tcx.types.f32),
sym::fabsf64 => ("fabs", 1, fx.tcx.types.f64),
sym::fmaf32 => ("fmaf", 3, fx.tcx.types.f32),
sym::fmaf64 => ("fma", 3, fx.tcx.types.f64),
sym::copysignf32 => ("copysignf", 2, fx.tcx.types.f32),
sym::copysignf64 => ("copysign", 2, fx.tcx.types.f64),
sym::floorf32 => ("floorf", 1, fx.tcx.types.f32),
sym::floorf64 => ("floor", 1, fx.tcx.types.f64),
sym::ceilf32 => ("ceilf", 1, fx.tcx.types.f32),
sym::ceilf64 => ("ceil", 1, fx.tcx.types.f64),
sym::truncf32 => ("truncf", 1, fx.tcx.types.f32),
sym::truncf64 => ("trunc", 1, fx.tcx.types.f64),
sym::roundf32 => ("roundf", 1, fx.tcx.types.f32),
sym::roundf64 => ("round", 1, fx.tcx.types.f64),
sym::sinf32 => ("sinf", 1, fx.tcx.types.f32),
sym::sinf64 => ("sin", 1, fx.tcx.types.f64),
sym::cosf32 => ("cosf", 1, fx.tcx.types.f32),
sym::cosf64 => ("cos", 1, fx.tcx.types.f64),
_ => return false,
};
if args.len() != arg_count {
bug!("wrong number of args for intrinsic {:?}", intrinsic);
}
let (a, b, c);
let args = match args {
[x] => {
a = [codegen_operand(fx, x)];
&a as &[_]
}
[x, y] => {
b = [codegen_operand(fx, x), codegen_operand(fx, y)];
&b
}
[x, y, z] => {
c = [codegen_operand(fx, x), codegen_operand(fx, y), codegen_operand(fx, z)];
&c
}
_ => unreachable!(),
};
let res = fx.easy_call(name, &args, ty);
ret.write_cvalue(fx, res);
true
}
fn codegen_regular_intrinsic_call<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
instance: Instance<'tcx>,
intrinsic: Symbol,
substs: SubstsRef<'tcx>,
args: &[mir::Operand<'tcx>],
ret: CPlace<'tcx>,
span: Span,
destination: Option<(CPlace<'tcx>, BasicBlock)>,
) {
let usize_layout = fx.layout_of(fx.tcx.types.usize);
call_intrinsic_match! {
fx, intrinsic, substs, ret, destination, args,
expf32(flt) -> f32 => expf,
expf64(flt) -> f64 => exp,
exp2f32(flt) -> f32 => exp2f,
exp2f64(flt) -> f64 => exp2,
sqrtf32(flt) -> f32 => sqrtf,
sqrtf64(flt) -> f64 => sqrt,
powif32(a, x) -> f32 => __powisf2, // compiler-builtins
powif64(a, x) -> f64 => __powidf2, // compiler-builtins
powf32(a, x) -> f32 => powf,
powf64(a, x) -> f64 => pow,
logf32(flt) -> f32 => logf,
logf64(flt) -> f64 => log,
log2f32(flt) -> f32 => log2f,
log2f64(flt) -> f64 => log2,
log10f32(flt) -> f32 => log10f,
log10f64(flt) -> f64 => log10,
fabsf32(flt) -> f32 => fabsf,
fabsf64(flt) -> f64 => fabs,
fmaf32(x, y, z) -> f32 => fmaf,
fmaf64(x, y, z) -> f64 => fma,
copysignf32(x, y) -> f32 => copysignf,
copysignf64(x, y) -> f64 => copysign,
// rounding variants
// FIXME use clif insts
floorf32(flt) -> f32 => floorf,
floorf64(flt) -> f64 => floor,
ceilf32(flt) -> f32 => ceilf,
ceilf64(flt) -> f64 => ceil,
truncf32(flt) -> f32 => truncf,
truncf64(flt) -> f64 => trunc,
roundf32(flt) -> f32 => roundf,
roundf64(flt) -> f64 => round,
// trigonometry
sinf32(flt) -> f32 => sinf,
sinf64(flt) -> f64 => sin,
cosf32(flt) -> f32 => cosf,
cosf64(flt) -> f64 => cos,
}
intrinsic_match! {
fx, intrinsic, substs, args,
fx, intrinsic, args,
_ => {
fx.tcx.sess.span_fatal(span, &format!("unsupported intrinsic {}", intrinsic));
};
@ -492,7 +357,8 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
breakpoint, () {
fx.bcx.ins().debugtrap();
};
copy | copy_nonoverlapping, <elem_ty> (v src, v dst, v count) {
copy | copy_nonoverlapping, (v src, v dst, v count) {
let elem_ty = substs.type_at(0);
let elem_size: u64 = fx.layout_of(elem_ty).size.bytes();
assert_eq!(args.len(), 3);
let byte_amount = if elem_size != 1 {
@ -510,7 +376,8 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
}
};
// NOTE: the volatile variants have src and dst swapped
volatile_copy_memory | volatile_copy_nonoverlapping_memory, <elem_ty> (v dst, v src, v count) {
volatile_copy_memory | volatile_copy_nonoverlapping_memory, (v dst, v src, v count) {
let elem_ty = substs.type_at(0);
let elem_size: u64 = fx.layout_of(elem_ty).size.bytes();
assert_eq!(args.len(), 3);
let byte_amount = if elem_size != 1 {
@ -528,8 +395,8 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
fx.bcx.call_memmove(fx.target_config, dst, src, byte_amount);
}
};
size_of_val, <T> (c ptr) {
let layout = fx.layout_of(T);
size_of_val, (c ptr) {
let layout = fx.layout_of(substs.type_at(0));
let size = if layout.is_unsized() {
let (_ptr, info) = ptr.load_scalar_pair(fx);
let (size, _align) = crate::unsize::size_and_align_of_dst(fx, layout, info);
@ -542,8 +409,8 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
ret.write_cvalue(fx, CValue::by_val(size, usize_layout));
};
min_align_of_val, <T> (c ptr) {
let layout = fx.layout_of(T);
min_align_of_val, (c ptr) {
let layout = fx.layout_of(substs.type_at(0));
let align = if layout.is_unsized() {
let (_ptr, info) = ptr.load_scalar_pair(fx);
let (_size, align) = crate::unsize::size_and_align_of_dst(fx, layout, info);
@ -557,12 +424,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
ret.write_cvalue(fx, CValue::by_val(align, usize_layout));
};
unchecked_add | unchecked_sub | unchecked_div | exact_div | unchecked_rem
unchecked_add | unchecked_sub | unchecked_mul | unchecked_div | exact_div | unchecked_rem
| unchecked_shl | unchecked_shr, (c x, c y) {
// FIXME trap on overflow
let bin_op = match intrinsic {
sym::unchecked_add => BinOp::Add,
sym::unchecked_sub => BinOp::Sub,
sym::unchecked_mul => BinOp::Mul,
sym::unchecked_div | sym::exact_div => BinOp::Div,
sym::unchecked_rem => BinOp::Rem,
sym::unchecked_shl => BinOp::Shl,
@ -589,7 +457,7 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
);
ret.write_cvalue(fx, res);
};
saturating_add | saturating_sub, <T> (c lhs, c rhs) {
saturating_add | saturating_sub, (c lhs, c rhs) {
assert_eq!(lhs.layout().ty, rhs.layout().ty);
let bin_op = match intrinsic {
sym::saturating_add => BinOp::Add,
@ -597,7 +465,7 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
_ => unreachable!(),
};
let signed = type_sign(T);
let signed = type_sign(lhs.layout().ty);
let checked_res = crate::num::codegen_checked_int_binop(
fx,
@ -607,7 +475,7 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
);
let (val, has_overflow) = checked_res.load_scalar_pair(fx);
let clif_ty = fx.clif_type(T).unwrap();
let clif_ty = fx.clif_type(lhs.layout().ty).unwrap();
let (min, max) = type_min_max_value(&mut fx.bcx, clif_ty, signed);
@ -629,17 +497,19 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
_ => unreachable!(),
};
let res = CValue::by_val(val, fx.layout_of(T));
let res = CValue::by_val(val, lhs.layout());
ret.write_cvalue(fx, res);
};
rotate_left, <T>(v x, v y) {
let layout = fx.layout_of(T);
rotate_left, (c x, v y) {
let layout = x.layout();
let x = x.load_scalar(fx);
let res = fx.bcx.ins().rotl(x, y);
ret.write_cvalue(fx, CValue::by_val(res, layout));
};
rotate_right, <T>(v x, v y) {
let layout = fx.layout_of(T);
rotate_right, (c x, v y) {
let layout = x.layout();
let x = x.load_scalar(fx);
let res = fx.bcx.ins().rotr(x, y);
ret.write_cvalue(fx, CValue::by_val(res, layout));
};
@ -675,29 +545,33 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
// FIXME use emit_small_memset
fx.bcx.call_memset(fx.target_config, dst_ptr, val, count);
};
ctlz | ctlz_nonzero, <T> (v arg) {
ctlz | ctlz_nonzero, (c arg) {
let val = arg.load_scalar(fx);
// FIXME trap on `ctlz_nonzero` with zero arg.
let res = fx.bcx.ins().clz(arg);
let res = CValue::by_val(res, fx.layout_of(T));
let res = fx.bcx.ins().clz(val);
let res = CValue::by_val(res, arg.layout());
ret.write_cvalue(fx, res);
};
cttz | cttz_nonzero, <T> (v arg) {
cttz | cttz_nonzero, (c arg) {
let val = arg.load_scalar(fx);
// FIXME trap on `cttz_nonzero` with zero arg.
let res = fx.bcx.ins().ctz(arg);
let res = CValue::by_val(res, fx.layout_of(T));
let res = fx.bcx.ins().ctz(val);
let res = CValue::by_val(res, arg.layout());
ret.write_cvalue(fx, res);
};
ctpop, <T> (v arg) {
let res = fx.bcx.ins().popcnt(arg);
let res = CValue::by_val(res, fx.layout_of(T));
ctpop, (c arg) {
let val = arg.load_scalar(fx);
let res = fx.bcx.ins().popcnt(val);
let res = CValue::by_val(res, arg.layout());
ret.write_cvalue(fx, res);
};
bitreverse, <T> (v arg) {
let res = fx.bcx.ins().bitrev(arg);
let res = CValue::by_val(res, fx.layout_of(T));
bitreverse, (c arg) {
let val = arg.load_scalar(fx);
let res = fx.bcx.ins().bitrev(val);
let res = CValue::by_val(res, arg.layout());
ret.write_cvalue(fx, res);
};
bswap, <T> (v arg) {
bswap, (c arg) {
// FIXME(CraneStation/cranelift#794) add bswap instruction to cranelift
fn swap(bcx: &mut FunctionBuilder<'_>, v: Value) -> Value {
match bcx.func.dfg.value_type(v) {
@ -773,16 +647,17 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
ty => unreachable!("bswap {}", ty),
}
}
let res = CValue::by_val(swap(&mut fx.bcx, arg), fx.layout_of(T));
let val = arg.load_scalar(fx);
let res = CValue::by_val(swap(&mut fx.bcx, val), arg.layout());
ret.write_cvalue(fx, res);
};
assert_inhabited | assert_zero_valid | assert_uninit_valid, <T> () {
let layout = fx.layout_of(T);
assert_inhabited | assert_zero_valid | assert_uninit_valid, () {
let layout = fx.layout_of(substs.type_at(0));
if layout.abi.is_uninhabited() {
with_no_trimmed_paths!({
crate::base::codegen_panic(
fx,
&format!("attempted to instantiate uninhabited type `{}`", T),
&format!("attempted to instantiate uninhabited type `{}`", layout.ty),
span,
)
});
@ -793,7 +668,7 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
with_no_trimmed_paths!({
crate::base::codegen_panic(
fx,
&format!("attempted to zero-initialize type `{}`, which is invalid", T),
&format!("attempted to zero-initialize type `{}`, which is invalid", layout.ty),
span,
);
});
@ -804,7 +679,7 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
with_no_trimmed_paths!({
crate::base::codegen_panic(
fx,
&format!("attempted to leave type `{}` uninitialized, which is invalid", T),
&format!("attempted to leave type `{}` uninitialized, which is invalid", layout.ty),
span,
)
});
@ -838,10 +713,11 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
ret.write_cvalue(fx, val);
};
ptr_offset_from, <T> (v ptr, v base) {
ptr_offset_from, (v ptr, v base) {
let ty = substs.type_at(0);
let isize_layout = fx.layout_of(fx.tcx.types.isize);
let pointee_size: u64 = fx.layout_of(T).size.bytes();
let pointee_size: u64 = fx.layout_of(ty).size.bytes();
let diff = fx.bcx.ins().isub(ptr, base);
// FIXME this can be an exact division.
let val = CValue::by_val(fx.bcx.ins().sdiv_imm(diff, pointee_size as i64), isize_layout);
@ -870,17 +746,31 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
// FIXME use a compiler fence once Cranelift supports it
fx.bcx.ins().fence();
};
_ if intrinsic.as_str().starts_with("atomic_load"), <T> (v ptr) {
validate_atomic_type!(fx, intrinsic, span, T);
let ty = fx.clif_type(T).unwrap();
_ if intrinsic.as_str().starts_with("atomic_load"), (v ptr) {
let ty = substs.type_at(0);
match ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, ty);
return;
}
}
let clif_ty = fx.clif_type(ty).unwrap();
let val = fx.bcx.ins().atomic_load(ty, MemFlags::trusted(), ptr);
let val = fx.bcx.ins().atomic_load(clif_ty, MemFlags::trusted(), ptr);
let val = CValue::by_val(val, fx.layout_of(T));
let val = CValue::by_val(val, fx.layout_of(ty));
ret.write_cvalue(fx, val);
};
_ if intrinsic.as_str().starts_with("atomic_store"), (v ptr, c val) {
validate_atomic_type!(fx, intrinsic, span, val.layout().ty);
let ty = substs.type_at(0);
match ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, ty);
return;
}
}
let val = val.load_scalar(fx);
@ -888,7 +778,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
_ if intrinsic.as_str().starts_with("atomic_xchg"), (v ptr, c new) {
let layout = new.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let ty = fx.clif_type(layout.ty).unwrap();
let new = new.load_scalar(fx);
@ -900,7 +796,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
_ if intrinsic.as_str().starts_with("atomic_cxchg"), (v ptr, c test_old, c new) { // both atomic_cxchg_* and atomic_cxchgweak_*
let layout = new.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let test_old = test_old.load_scalar(fx);
let new = new.load_scalar(fx);
@ -914,7 +816,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
_ if intrinsic.as_str().starts_with("atomic_xadd"), (v ptr, c amount) {
let layout = amount.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let ty = fx.clif_type(layout.ty).unwrap();
let amount = amount.load_scalar(fx);
@ -926,7 +834,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
_ if intrinsic.as_str().starts_with("atomic_xsub"), (v ptr, c amount) {
let layout = amount.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let ty = fx.clif_type(layout.ty).unwrap();
let amount = amount.load_scalar(fx);
@ -938,7 +852,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
_ if intrinsic.as_str().starts_with("atomic_and"), (v ptr, c src) {
let layout = src.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let ty = fx.clif_type(layout.ty).unwrap();
let src = src.load_scalar(fx);
@ -950,7 +870,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
_ if intrinsic.as_str().starts_with("atomic_or"), (v ptr, c src) {
let layout = src.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let ty = fx.clif_type(layout.ty).unwrap();
let src = src.load_scalar(fx);
@ -962,7 +888,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
_ if intrinsic.as_str().starts_with("atomic_xor"), (v ptr, c src) {
let layout = src.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let ty = fx.clif_type(layout.ty).unwrap();
let src = src.load_scalar(fx);
@ -974,7 +906,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
_ if intrinsic.as_str().starts_with("atomic_nand"), (v ptr, c src) {
let layout = src.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let ty = fx.clif_type(layout.ty).unwrap();
let src = src.load_scalar(fx);
@ -986,7 +924,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
_ if intrinsic.as_str().starts_with("atomic_max"), (v ptr, c src) {
let layout = src.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let ty = fx.clif_type(layout.ty).unwrap();
let src = src.load_scalar(fx);
@ -998,7 +942,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
_ if intrinsic.as_str().starts_with("atomic_umax"), (v ptr, c src) {
let layout = src.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let ty = fx.clif_type(layout.ty).unwrap();
let src = src.load_scalar(fx);
@ -1010,7 +960,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
_ if intrinsic.as_str().starts_with("atomic_min"), (v ptr, c src) {
let layout = src.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let ty = fx.clif_type(layout.ty).unwrap();
let src = src.load_scalar(fx);
@ -1022,7 +978,13 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
};
_ if intrinsic.as_str().starts_with("atomic_umin"), (v ptr, c src) {
let layout = src.layout();
validate_atomic_type!(fx, intrinsic, span, layout.ty);
match layout.ty.kind() {
ty::Uint(_) | ty::Int(_) | ty::RawPtr(..) => {}
_ => {
report_atomic_type_validation_error(fx, intrinsic, span, layout.ty);
return;
}
}
let ty = fx.clif_type(layout.ty).unwrap();
let src = src.load_scalar(fx);
@ -1107,18 +1069,14 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
ret.write_cvalue(fx, CValue::by_val(res, ret.layout()));
};
raw_eq, <T>(v lhs_ref, v rhs_ref) {
fn type_by_size(size: Size) -> Option<Type> {
Type::int(size.bits().try_into().ok()?)
}
let size = fx.layout_of(T).layout.size;
raw_eq, (v lhs_ref, v rhs_ref) {
let size = fx.layout_of(substs.type_at(0)).layout.size;
// FIXME add and use emit_small_memcmp
let is_eq_value =
if size == Size::ZERO {
// No bytes means they're trivially equal
fx.bcx.ins().iconst(types::I8, 1)
} else if let Some(clty) = type_by_size(size) {
} else if let Some(clty) = size.bits().try_into().ok().and_then(Type::int) {
// Can't use `trusted` for these loads; they could be unaligned.
let mut flags = MemFlags::new();
flags.set_notrap();
@ -1141,6 +1099,16 @@ pub(crate) fn codegen_intrinsic_call<'tcx>(
ret.write_cvalue(fx, CValue::by_val(is_eq_value, ret.layout()));
};
const_allocate, (c _size, c _align) {
// returns a null pointer at runtime.
let null = fx.bcx.ins().iconst(fx.pointer_type, 0);
ret.write_cvalue(fx, CValue::by_val(null, ret.layout()));
};
const_deallocate, (c _ptr, c _size, c _align) {
// nop at runtime.
};
black_box, (c a) {
// FIXME implement black_box semantics
ret.write_cvalue(fx, a);

View File

@ -1,71 +1,116 @@
//! Codegen `extern "platform-intrinsic"` intrinsics.
use rustc_middle::ty::subst::SubstsRef;
use rustc_span::Symbol;
use super::*;
use crate::prelude::*;
fn report_simd_type_validation_error(
fx: &mut FunctionCx<'_, '_, '_>,
intrinsic: Symbol,
span: Span,
ty: Ty<'_>,
) {
fx.tcx.sess.span_err(span, &format!("invalid monomorphization of `{}` intrinsic: expected SIMD input type, found non-SIMD `{}`", intrinsic, ty));
// Prevent verifier error
crate::trap::trap_unreachable(fx, "compilation should not have succeeded");
}
pub(super) fn codegen_simd_intrinsic_call<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
instance: Instance<'tcx>,
intrinsic: Symbol,
_substs: SubstsRef<'tcx>,
args: &[mir::Operand<'tcx>],
ret: CPlace<'tcx>,
span: Span,
) {
let def_id = instance.def_id();
let substs = instance.substs;
let intrinsic = fx.tcx.item_name(def_id);
intrinsic_match! {
fx, intrinsic, substs, args,
fx, intrinsic, args,
_ => {
fx.tcx.sess.span_fatal(span, &format!("Unknown SIMD intrinsic {}", intrinsic));
};
simd_cast, (c a) {
validate_simd_type!(fx, intrinsic, span, a.layout().ty);
simd_for_each_lane(fx, a, ret, |fx, lane_layout, ret_lane_layout, lane| {
let ret_lane_ty = fx.clif_type(ret_lane_layout.ty).unwrap();
if !a.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty);
return;
}
let from_signed = type_sign(lane_layout.ty);
let to_signed = type_sign(ret_lane_layout.ty);
simd_for_each_lane(fx, a, ret, &|fx, lane_ty, ret_lane_ty, lane| {
let ret_lane_clif_ty = fx.clif_type(ret_lane_ty).unwrap();
let ret_lane = clif_int_or_float_cast(fx, lane, from_signed, ret_lane_ty, to_signed);
CValue::by_val(ret_lane, ret_lane_layout)
let from_signed = type_sign(lane_ty);
let to_signed = type_sign(ret_lane_ty);
clif_int_or_float_cast(fx, lane, from_signed, ret_lane_clif_ty, to_signed)
});
};
simd_eq, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_cmp!(fx, Equal|Equal(x, y) -> ret);
};
simd_ne, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_cmp!(fx, NotEqual|NotEqual(x, y) -> ret);
};
simd_lt, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_cmp!(fx, UnsignedLessThan|SignedLessThan|LessThan(x, y) -> ret);
};
simd_le, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_cmp!(fx, UnsignedLessThanOrEqual|SignedLessThanOrEqual|LessThanOrEqual(x, y) -> ret);
};
simd_gt, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_cmp!(fx, UnsignedGreaterThan|SignedGreaterThan|GreaterThan(x, y) -> ret);
};
simd_ge, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_cmp!(
fx,
UnsignedGreaterThanOrEqual|SignedGreaterThanOrEqual|GreaterThanOrEqual
(x, y) -> ret
);
simd_eq | simd_ne | simd_lt | simd_le | simd_gt | simd_ge, (c x, c y) {
if !x.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, x.layout().ty);
return;
}
// FIXME use vector instructions when possible
simd_pair_for_each_lane(fx, x, y, ret, &|fx, lane_ty, res_lane_ty, x_lane, y_lane| {
let res_lane = match (lane_ty.kind(), intrinsic) {
(ty::Uint(_), sym::simd_eq) => fx.bcx.ins().icmp(IntCC::Equal, x_lane, y_lane),
(ty::Uint(_), sym::simd_ne) => fx.bcx.ins().icmp(IntCC::NotEqual, x_lane, y_lane),
(ty::Uint(_), sym::simd_lt) => {
fx.bcx.ins().icmp(IntCC::UnsignedLessThan, x_lane, y_lane)
}
(ty::Uint(_), sym::simd_le) => {
fx.bcx.ins().icmp(IntCC::UnsignedLessThanOrEqual, x_lane, y_lane)
}
(ty::Uint(_), sym::simd_gt) => {
fx.bcx.ins().icmp(IntCC::UnsignedGreaterThan, x_lane, y_lane)
}
(ty::Uint(_), sym::simd_ge) => {
fx.bcx.ins().icmp(IntCC::UnsignedGreaterThanOrEqual, x_lane, y_lane)
}
(ty::Int(_), sym::simd_eq) => fx.bcx.ins().icmp(IntCC::Equal, x_lane, y_lane),
(ty::Int(_), sym::simd_ne) => fx.bcx.ins().icmp(IntCC::NotEqual, x_lane, y_lane),
(ty::Int(_), sym::simd_lt) => fx.bcx.ins().icmp(IntCC::SignedLessThan, x_lane, y_lane),
(ty::Int(_), sym::simd_le) => {
fx.bcx.ins().icmp(IntCC::SignedLessThanOrEqual, x_lane, y_lane)
}
(ty::Int(_), sym::simd_gt) => {
fx.bcx.ins().icmp(IntCC::SignedGreaterThan, x_lane, y_lane)
}
(ty::Int(_), sym::simd_ge) => {
fx.bcx.ins().icmp(IntCC::SignedGreaterThanOrEqual, x_lane, y_lane)
}
(ty::Float(_), sym::simd_eq) => fx.bcx.ins().fcmp(FloatCC::Equal, x_lane, y_lane),
(ty::Float(_), sym::simd_ne) => fx.bcx.ins().fcmp(FloatCC::NotEqual, x_lane, y_lane),
(ty::Float(_), sym::simd_lt) => fx.bcx.ins().fcmp(FloatCC::LessThan, x_lane, y_lane),
(ty::Float(_), sym::simd_le) => {
fx.bcx.ins().fcmp(FloatCC::LessThanOrEqual, x_lane, y_lane)
}
(ty::Float(_), sym::simd_gt) => fx.bcx.ins().fcmp(FloatCC::GreaterThan, x_lane, y_lane),
(ty::Float(_), sym::simd_ge) => {
fx.bcx.ins().fcmp(FloatCC::GreaterThanOrEqual, x_lane, y_lane)
}
_ => unreachable!(),
};
let ty = fx.clif_type(res_lane_ty).unwrap();
let res_lane = fx.bcx.ins().bint(ty, res_lane);
fx.bcx.ins().ineg(res_lane)
});
};
// simd_shuffle32<T, U>(x: T, y: T, idx: [u32; 32]) -> U
_ if intrinsic.as_str().starts_with("simd_shuffle"), (c x, c y, o idx) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
if !x.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, x.layout().ty);
return;
}
// If this intrinsic is the older "simd_shuffleN" form, simply parse the integer.
// If there is no suffix, use the index array length.
@ -167,7 +212,11 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
};
simd_extract, (c v, o idx) {
validate_simd_type!(fx, intrinsic, span, v.layout().ty);
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
let idx_const = if let Some(idx_const) = crate::constant::mir_operand_get_const_val(fx, idx) {
idx_const
} else {
@ -195,95 +244,82 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
};
simd_neg, (c a) {
validate_simd_type!(fx, intrinsic, span, a.layout().ty);
simd_for_each_lane(fx, a, ret, |fx, lane_layout, ret_lane_layout, lane| {
let ret_lane = match lane_layout.ty.kind() {
if !a.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty);
return;
}
simd_for_each_lane(fx, a, ret, &|fx, lane_ty, _ret_lane_ty, lane| {
match lane_ty.kind() {
ty::Int(_) => fx.bcx.ins().ineg(lane),
ty::Float(_) => fx.bcx.ins().fneg(lane),
_ => unreachable!(),
};
CValue::by_val(ret_lane, ret_lane_layout)
}
});
};
simd_fabs, (c a) {
validate_simd_type!(fx, intrinsic, span, a.layout().ty);
simd_for_each_lane(fx, a, ret, |fx, _lane_layout, ret_lane_layout, lane| {
let ret_lane = fx.bcx.ins().fabs(lane);
CValue::by_val(ret_lane, ret_lane_layout)
});
};
simd_add | simd_sub | simd_mul | simd_div | simd_rem
| simd_shl | simd_shr | simd_and | simd_or | simd_xor, (c x, c y) {
if !x.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, x.layout().ty);
return;
}
simd_fsqrt, (c a) {
validate_simd_type!(fx, intrinsic, span, a.layout().ty);
simd_for_each_lane(fx, a, ret, |fx, _lane_layout, ret_lane_layout, lane| {
let ret_lane = fx.bcx.ins().sqrt(lane);
CValue::by_val(ret_lane, ret_lane_layout)
});
};
// FIXME use vector instructions when possible
simd_pair_for_each_lane(fx, x, y, ret, &|fx, lane_ty, _ret_lane_ty, x_lane, y_lane| match (
lane_ty.kind(),
intrinsic,
) {
(ty::Uint(_), sym::simd_add) => fx.bcx.ins().iadd(x_lane, y_lane),
(ty::Uint(_), sym::simd_sub) => fx.bcx.ins().isub(x_lane, y_lane),
(ty::Uint(_), sym::simd_mul) => fx.bcx.ins().imul(x_lane, y_lane),
(ty::Uint(_), sym::simd_div) => fx.bcx.ins().udiv(x_lane, y_lane),
(ty::Uint(_), sym::simd_rem) => fx.bcx.ins().urem(x_lane, y_lane),
simd_add, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_int_flt_binop!(fx, iadd|fadd(x, y) -> ret);
};
simd_sub, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_int_flt_binop!(fx, isub|fsub(x, y) -> ret);
};
simd_mul, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_int_flt_binop!(fx, imul|fmul(x, y) -> ret);
};
simd_div, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_int_flt_binop!(fx, udiv|sdiv|fdiv(x, y) -> ret);
};
simd_rem, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_pair_for_each_lane(fx, x, y, ret, |fx, lane_layout, ret_lane_layout, x_lane, y_lane| {
let res_lane = match lane_layout.ty.kind() {
ty::Uint(_) => fx.bcx.ins().urem(x_lane, y_lane),
ty::Int(_) => fx.bcx.ins().srem(x_lane, y_lane),
ty::Float(FloatTy::F32) => fx.lib_call(
"fmodf",
vec![AbiParam::new(types::F32), AbiParam::new(types::F32)],
vec![AbiParam::new(types::F32)],
&[x_lane, y_lane],
)[0],
ty::Float(FloatTy::F64) => fx.lib_call(
"fmod",
vec![AbiParam::new(types::F64), AbiParam::new(types::F64)],
vec![AbiParam::new(types::F64)],
&[x_lane, y_lane],
)[0],
_ => unreachable!("{:?}", lane_layout.ty),
};
CValue::by_val(res_lane, ret_lane_layout)
(ty::Int(_), sym::simd_add) => fx.bcx.ins().iadd(x_lane, y_lane),
(ty::Int(_), sym::simd_sub) => fx.bcx.ins().isub(x_lane, y_lane),
(ty::Int(_), sym::simd_mul) => fx.bcx.ins().imul(x_lane, y_lane),
(ty::Int(_), sym::simd_div) => fx.bcx.ins().sdiv(x_lane, y_lane),
(ty::Int(_), sym::simd_rem) => fx.bcx.ins().srem(x_lane, y_lane),
(ty::Float(_), sym::simd_add) => fx.bcx.ins().fadd(x_lane, y_lane),
(ty::Float(_), sym::simd_sub) => fx.bcx.ins().fsub(x_lane, y_lane),
(ty::Float(_), sym::simd_mul) => fx.bcx.ins().fmul(x_lane, y_lane),
(ty::Float(_), sym::simd_div) => fx.bcx.ins().fdiv(x_lane, y_lane),
(ty::Float(FloatTy::F32), sym::simd_rem) => fx.lib_call(
"fmodf",
vec![AbiParam::new(types::F32), AbiParam::new(types::F32)],
vec![AbiParam::new(types::F32)],
&[x_lane, y_lane],
)[0],
(ty::Float(FloatTy::F64), sym::simd_rem) => fx.lib_call(
"fmod",
vec![AbiParam::new(types::F64), AbiParam::new(types::F64)],
vec![AbiParam::new(types::F64)],
&[x_lane, y_lane],
)[0],
(ty::Uint(_), sym::simd_shl) => fx.bcx.ins().ishl(x_lane, y_lane),
(ty::Uint(_), sym::simd_shr) => fx.bcx.ins().ushr(x_lane, y_lane),
(ty::Uint(_), sym::simd_and) => fx.bcx.ins().band(x_lane, y_lane),
(ty::Uint(_), sym::simd_or) => fx.bcx.ins().bor(x_lane, y_lane),
(ty::Uint(_), sym::simd_xor) => fx.bcx.ins().bxor(x_lane, y_lane),
(ty::Int(_), sym::simd_shl) => fx.bcx.ins().ishl(x_lane, y_lane),
(ty::Int(_), sym::simd_shr) => fx.bcx.ins().sshr(x_lane, y_lane),
(ty::Int(_), sym::simd_and) => fx.bcx.ins().band(x_lane, y_lane),
(ty::Int(_), sym::simd_or) => fx.bcx.ins().bor(x_lane, y_lane),
(ty::Int(_), sym::simd_xor) => fx.bcx.ins().bxor(x_lane, y_lane),
_ => unreachable!(),
});
};
simd_shl, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_int_binop!(fx, ishl(x, y) -> ret);
};
simd_shr, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_int_binop!(fx, ushr|sshr(x, y) -> ret);
};
simd_and, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_int_binop!(fx, band(x, y) -> ret);
};
simd_or, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_int_binop!(fx, bor(x, y) -> ret);
};
simd_xor, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_int_binop!(fx, bxor(x, y) -> ret);
};
simd_fma, (c a, c b, c c) {
validate_simd_type!(fx, intrinsic, span, a.layout().ty);
if !a.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty);
return;
}
assert_eq!(a.layout(), b.layout());
assert_eq!(a.layout(), c.layout());
let layout = a.layout();
@ -305,19 +341,34 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
}
};
simd_fmin, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_flt_binop!(fx, fmin(x, y) -> ret);
};
simd_fmax, (c x, c y) {
validate_simd_type!(fx, intrinsic, span, x.layout().ty);
simd_flt_binop!(fx, fmax(x, y) -> ret);
simd_fmin | simd_fmax, (c x, c y) {
if !x.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, x.layout().ty);
return;
}
// FIXME use vector instructions when possible
simd_pair_for_each_lane(fx, x, y, ret, &|fx, lane_ty, _ret_lane_ty, x_lane, y_lane| {
match lane_ty.kind() {
ty::Float(_) => {},
_ => unreachable!("{:?}", lane_ty),
}
match intrinsic {
sym::simd_fmin => fx.bcx.ins().fmin(x_lane, y_lane),
sym::simd_fmax => fx.bcx.ins().fmax(x_lane, y_lane),
_ => unreachable!(),
}
});
};
simd_round, (c a) {
validate_simd_type!(fx, intrinsic, span, a.layout().ty);
simd_for_each_lane(fx, a, ret, |fx, lane_layout, ret_lane_layout, lane| {
let res_lane = match lane_layout.ty.kind() {
if !a.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty);
return;
}
simd_for_each_lane(fx, a, ret, &|fx, lane_ty, _ret_lane_ty, lane| {
match lane_ty.kind() {
ty::Float(FloatTy::F32) => fx.lib_call(
"roundf",
vec![AbiParam::new(types::F32)],
@ -330,37 +381,41 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
vec![AbiParam::new(types::F64)],
&[lane],
)[0],
_ => unreachable!("{:?}", lane_layout.ty),
};
CValue::by_val(res_lane, ret_lane_layout)
_ => unreachable!("{:?}", lane_ty),
}
});
};
simd_ceil, (c a) {
validate_simd_type!(fx, intrinsic, span, a.layout().ty);
simd_for_each_lane(fx, a, ret, |fx, _lane_layout, ret_lane_layout, lane| {
let ret_lane = fx.bcx.ins().ceil(lane);
CValue::by_val(ret_lane, ret_lane_layout)
});
};
simd_floor, (c a) {
validate_simd_type!(fx, intrinsic, span, a.layout().ty);
simd_for_each_lane(fx, a, ret, |fx, _lane_layout, ret_lane_layout, lane| {
let ret_lane = fx.bcx.ins().floor(lane);
CValue::by_val(ret_lane, ret_lane_layout)
});
};
simd_trunc, (c a) {
validate_simd_type!(fx, intrinsic, span, a.layout().ty);
simd_for_each_lane(fx, a, ret, |fx, _lane_layout, ret_lane_layout, lane| {
let ret_lane = fx.bcx.ins().trunc(lane);
CValue::by_val(ret_lane, ret_lane_layout)
simd_fabs | simd_fsqrt | simd_ceil | simd_floor | simd_trunc, (c a) {
if !a.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty);
return;
}
simd_for_each_lane(fx, a, ret, &|fx, lane_ty, _ret_lane_ty, lane| {
match lane_ty.kind() {
ty::Float(_) => {},
_ => unreachable!("{:?}", lane_ty),
}
match intrinsic {
sym::simd_fabs => fx.bcx.ins().fabs(lane),
sym::simd_fsqrt => fx.bcx.ins().sqrt(lane),
sym::simd_ceil => fx.bcx.ins().ceil(lane),
sym::simd_floor => fx.bcx.ins().floor(lane),
sym::simd_trunc => fx.bcx.ins().trunc(lane),
_ => unreachable!(),
}
});
};
simd_reduce_add_ordered | simd_reduce_add_unordered, (c v, v acc) {
validate_simd_type!(fx, intrinsic, span, v.layout().ty);
simd_reduce(fx, v, Some(acc), ret, |fx, lane_layout, a, b| {
if lane_layout.ty.is_floating_point() {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce(fx, v, Some(acc), ret, &|fx, lane_ty, a, b| {
if lane_ty.is_floating_point() {
fx.bcx.ins().fadd(a, b)
} else {
fx.bcx.ins().iadd(a, b)
@ -369,9 +424,13 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
};
simd_reduce_mul_ordered | simd_reduce_mul_unordered, (c v, v acc) {
validate_simd_type!(fx, intrinsic, span, v.layout().ty);
simd_reduce(fx, v, Some(acc), ret, |fx, lane_layout, a, b| {
if lane_layout.ty.is_floating_point() {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce(fx, v, Some(acc), ret, &|fx, lane_ty, a, b| {
if lane_ty.is_floating_point() {
fx.bcx.ins().fmul(a, b)
} else {
fx.bcx.ins().imul(a, b)
@ -380,34 +439,58 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
};
simd_reduce_all, (c v) {
validate_simd_type!(fx, intrinsic, span, v.layout().ty);
simd_reduce_bool(fx, v, ret, |fx, a, b| fx.bcx.ins().band(a, b));
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce_bool(fx, v, ret, &|fx, a, b| fx.bcx.ins().band(a, b));
};
simd_reduce_any, (c v) {
validate_simd_type!(fx, intrinsic, span, v.layout().ty);
simd_reduce_bool(fx, v, ret, |fx, a, b| fx.bcx.ins().bor(a, b));
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce_bool(fx, v, ret, &|fx, a, b| fx.bcx.ins().bor(a, b));
};
simd_reduce_and, (c v) {
validate_simd_type!(fx, intrinsic, span, v.layout().ty);
simd_reduce(fx, v, None, ret, |fx, _layout, a, b| fx.bcx.ins().band(a, b));
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce(fx, v, None, ret, &|fx, _ty, a, b| fx.bcx.ins().band(a, b));
};
simd_reduce_or, (c v) {
validate_simd_type!(fx, intrinsic, span, v.layout().ty);
simd_reduce(fx, v, None, ret, |fx, _layout, a, b| fx.bcx.ins().bor(a, b));
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce(fx, v, None, ret, &|fx, _ty, a, b| fx.bcx.ins().bor(a, b));
};
simd_reduce_xor, (c v) {
validate_simd_type!(fx, intrinsic, span, v.layout().ty);
simd_reduce(fx, v, None, ret, |fx, _layout, a, b| fx.bcx.ins().bxor(a, b));
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce(fx, v, None, ret, &|fx, _ty, a, b| fx.bcx.ins().bxor(a, b));
};
simd_reduce_min, (c v) {
validate_simd_type!(fx, intrinsic, span, v.layout().ty);
simd_reduce(fx, v, None, ret, |fx, layout, a, b| {
let lt = match layout.ty.kind() {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce(fx, v, None, ret, &|fx, ty, a, b| {
let lt = match ty.kind() {
ty::Int(_) => fx.bcx.ins().icmp(IntCC::SignedLessThan, a, b),
ty::Uint(_) => fx.bcx.ins().icmp(IntCC::UnsignedLessThan, a, b),
ty::Float(_) => fx.bcx.ins().fcmp(FloatCC::LessThan, a, b),
@ -418,9 +501,13 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
};
simd_reduce_max, (c v) {
validate_simd_type!(fx, intrinsic, span, v.layout().ty);
simd_reduce(fx, v, None, ret, |fx, layout, a, b| {
let gt = match layout.ty.kind() {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce(fx, v, None, ret, &|fx, ty, a, b| {
let gt = match ty.kind() {
ty::Int(_) => fx.bcx.ins().icmp(IntCC::SignedGreaterThan, a, b),
ty::Uint(_) => fx.bcx.ins().icmp(IntCC::UnsignedGreaterThan, a, b),
ty::Float(_) => fx.bcx.ins().fcmp(FloatCC::GreaterThan, a, b),
@ -431,8 +518,14 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
};
simd_select, (c m, c a, c b) {
validate_simd_type!(fx, intrinsic, span, m.layout().ty);
validate_simd_type!(fx, intrinsic, span, a.layout().ty);
if !m.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, m.layout().ty);
return;
}
if !a.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty);
return;
}
assert_eq!(a.layout(), b.layout());
let (lane_count, lane_ty) = a.layout().ty.simd_size_and_type(fx.tcx);

View File

@ -1,4 +1,3 @@
use cranelift_codegen::binemit::{NullStackMapSink, NullTrapSink};
use rustc_hir::LangItem;
use rustc_middle::ty::subst::GenericArg;
use rustc_middle::ty::AssocKind;
@ -152,8 +151,7 @@ pub(crate) fn maybe_create_entry_wrapper(
bcx.seal_all_blocks();
bcx.finalize();
}
m.define_function(cmain_func_id, &mut ctx, &mut NullTrapSink {}, &mut NullStackMapSink {})
.unwrap();
m.define_function(cmain_func_id, &mut ctx).unwrap();
unwind_context.add_function(cmain_func_id, &ctx, m.isa());
}
}

View File

@ -15,6 +15,6 @@ pub(crate) fn optimize_function<'tcx>(
) {
// FIXME classify optimizations over opt levels once we have more
crate::pretty_clif::write_clif_file(tcx, "preopt", isa, instance, &ctx, &*clif_comments);
crate::pretty_clif::write_clif_file(tcx, "preopt", isa, instance, &ctx.func, &*clif_comments);
crate::base::verify_func(tcx, &*clif_comments, &ctx.func);
}

View File

@ -234,7 +234,7 @@ pub(crate) fn write_clif_file<'tcx>(
postfix: &str,
isa: &dyn cranelift_codegen::isa::TargetIsa,
instance: Instance<'tcx>,
context: &cranelift_codegen::Context,
func: &cranelift_codegen::ir::Function,
mut clif_comments: &CommentWriter,
) {
write_ir_file(
@ -242,12 +242,8 @@ pub(crate) fn write_clif_file<'tcx>(
|| format!("{}.{}.clif", tcx.symbol_name(instance).name, postfix),
|file| {
let mut clif = String::new();
cranelift_codegen::write::decorate_function(
&mut clif_comments,
&mut clif,
&context.func,
)
.unwrap();
cranelift_codegen::write::decorate_function(&mut clif_comments, &mut clif, func)
.unwrap();
for flag in isa.flags().iter() {
writeln!(file, "set {}", flag)?;

133
y.rs
View File

@ -23,136 +23,9 @@ exec ${0/.rs/.bin} $@
//!
//! The name `y.rs` was chosen to not conflict with rustc's `x.py`.
use std::env;
use std::path::PathBuf;
use std::process;
#[path = "build_system/build_backend.rs"]
mod build_backend;
#[path = "build_system/build_sysroot.rs"]
mod build_sysroot;
#[path = "build_system/config.rs"]
mod config;
#[path = "build_system/prepare.rs"]
mod prepare;
#[path = "build_system/rustc_info.rs"]
mod rustc_info;
#[path = "build_system/utils.rs"]
mod utils;
fn usage() {
eprintln!("Usage:");
eprintln!(" ./y.rs prepare");
eprintln!(
" ./y.rs build [--debug] [--sysroot none|clif|llvm] [--target-dir DIR] [--no-unstable-features]"
);
}
macro_rules! arg_error {
($($err:tt)*) => {{
eprintln!($($err)*);
usage();
std::process::exit(1);
}};
}
enum Command {
Build,
}
#[derive(Copy, Clone)]
enum SysrootKind {
None,
Clif,
Llvm,
}
#[path = "build_system/mod.rs"]
mod build_system;
fn main() {
env::set_var("CG_CLIF_DISPLAY_CG_TIME", "1");
env::set_var("CG_CLIF_DISABLE_INCR_CACHE", "1");
// The target dir is expected in the default location. Guard against the user changing it.
env::set_var("CARGO_TARGET_DIR", "target");
let mut args = env::args().skip(1);
let command = match args.next().as_deref() {
Some("prepare") => {
if args.next().is_some() {
arg_error!("./x.rs prepare doesn't expect arguments");
}
prepare::prepare();
process::exit(0);
}
Some("build") => Command::Build,
Some(flag) if flag.starts_with('-') => arg_error!("Expected command found flag {}", flag),
Some(command) => arg_error!("Unknown command {}", command),
None => {
usage();
process::exit(0);
}
};
let mut target_dir = PathBuf::from("build");
let mut channel = "release";
let mut sysroot_kind = SysrootKind::Clif;
let mut use_unstable_features = true;
while let Some(arg) = args.next().as_deref() {
match arg {
"--target-dir" => {
target_dir = PathBuf::from(args.next().unwrap_or_else(|| {
arg_error!("--target-dir requires argument");
}))
}
"--debug" => channel = "debug",
"--sysroot" => {
sysroot_kind = match args.next().as_deref() {
Some("none") => SysrootKind::None,
Some("clif") => SysrootKind::Clif,
Some("llvm") => SysrootKind::Llvm,
Some(arg) => arg_error!("Unknown sysroot kind {}", arg),
None => arg_error!("--sysroot requires argument"),
}
}
"--no-unstable-features" => use_unstable_features = false,
flag if flag.starts_with("-") => arg_error!("Unknown flag {}", flag),
arg => arg_error!("Unexpected argument {}", arg),
}
}
let host_triple = if let Ok(host_triple) = std::env::var("HOST_TRIPLE") {
host_triple
} else if let Some(host_triple) = crate::config::get_value("host") {
host_triple
} else {
rustc_info::get_host_triple()
};
let target_triple = if let Ok(target_triple) = std::env::var("TARGET_TRIPLE") {
if target_triple != "" {
target_triple
} else {
host_triple.clone() // Empty target triple can happen on GHA
}
} else if let Some(target_triple) = crate::config::get_value("target") {
target_triple
} else {
host_triple.clone()
};
if target_triple.ends_with("-msvc") {
eprintln!("The MSVC toolchain is not yet supported by rustc_codegen_cranelift.");
eprintln!("Switch to the MinGW toolchain for Windows support.");
eprintln!("Hint: You can use `rustup set default-host x86_64-pc-windows-gnu` to");
eprintln!("set the global default target to MinGW");
process::exit(1);
}
let cg_clif_build_dir =
build_backend::build_backend(channel, &host_triple, use_unstable_features);
build_sysroot::build_sysroot(
channel,
sysroot_kind,
&target_dir,
cg_clif_build_dir,
&host_triple,
&target_triple,
);
build_system::main();
}