forked from AbleOS/holey-bytes
removing some useless stuff
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bfc92431ea
commit
7f3984ad9a
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@ -14,7 +14,6 @@ target-lexicon = "0.12.16"
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[features]
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default = ["isle-errors"]
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unwind = []
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isle-in-source-tree = []
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isle-errors = []
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[build-dependencies]
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116
hbcb/build.rs
116
hbcb/build.rs
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@ -1,19 +1,3 @@
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// Build script.
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//
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// This program is run by Cargo when building cranelift-codegen. It is used to generate Rust code from
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// the language definitions in the cranelift-codegen/meta directory.
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//
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// Environment:
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//
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// OUT_DIR
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// Directory where generated files should be placed.
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//
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// TARGET
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// Target triple provided by Cargo.
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//
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// The build script expects to be run from the directory where this build.rs file lives. The
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// current directory is used to find the sources.
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use {
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cranelift_codegen_meta::{self as meta, isle::IsleCompilations},
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cranelift_isle::error::Errors,
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@ -26,49 +10,16 @@ fn main() {
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let out_dir = env::var("OUT_DIR").expect("The OUT_DIR environment variable must be set");
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let out_dir = std::path::Path::new(&out_dir);
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//let target_triple = env::var("TARGET").expect("The TARGET environment variable must be set");
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//let all_arch = env::var("CARGO_FEATURE_ALL_ARCH").is_ok();
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//let all_native_arch = env::var("CARGO_FEATURE_ALL_NATIVE_ARCH").is_ok();
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let isas = &[meta::isa::Isa::Riscv64];
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// let mut isas = meta::isa::Isa::all()
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// .iter()
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// .cloned()
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// .filter(|isa| {
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// let env_key = format!("CARGO_FEATURE_{}", isa.to_string().to_uppercase());
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// all_arch || env::var(env_key).is_ok()
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// })
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// .collect::<Vec<_>>();
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// Don't require host isa if under 'all-arch' feature.
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//let host_isa = env::var("CARGO_FEATURE_HOST_ARCH").is_ok() && !all_native_arch;
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//if isas.is_empty() || host_isa {
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// // Try to match native target.
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// let target_name = target_triple.split('-').next().unwrap();
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// let isa = meta::isa_from_arch(target_name).expect("error when identifying target");
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// println!("cargo:rustc-cfg=feature=\"{isa}\"");
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// isas.push(isa);
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//}
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let cur_dir = env::current_dir().expect("Can't access current working directory");
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let crate_dir = cur_dir.as_path();
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println!("cargo:rerun-if-changed=build.rs");
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let explicit_isle_dir = &crate_dir.join("isle_generated_code");
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#[cfg(feature = "isle-in-source-tree")]
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let isle_dir = explicit_isle_dir;
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#[cfg(not(feature = "isle-in-source-tree"))]
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let isle_dir = &out_dir;
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#[cfg(feature = "isle-in-source-tree")]
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{
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std::fs::create_dir_all(isle_dir).expect("Could not create ISLE source directory");
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}
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#[cfg(not(feature = "isle-in-source-tree"))]
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{
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if explicit_isle_dir.is_dir() {
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eprintln!(concat!(
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@ -133,9 +84,6 @@ fn main() {
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.unwrap();
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}
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/// Strip the current directory from the file paths, because `islec`
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/// includes them in the generated source, and this helps us maintain
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/// deterministic builds that don't include those local file paths.
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fn make_isle_source_path_relative(
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cur_dir: &std::path::Path,
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filename: &std::path::Path,
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@ -155,66 +103,24 @@ fn build_isle(
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let codegen_crate_dir = &make_isle_source_path_relative(&cur_dir, crate_dir);
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let gen_dir = &make_isle_source_path_relative(&cur_dir, isle_dir);
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// Preludes.
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let clif_lower_isle = gen_dir.join("clif_lower.isle");
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//let clif_opt_isle = gen_dir.join("clif_opt.isle");
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let prelude_isle = codegen_crate_dir.join("src").join("prelude.isle");
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//let prelude_opt_isle = codegen_crate_dir.join("src").join("prelude_opt.isle");
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let prelude_lower_isle = codegen_crate_dir.join("src").join("prelude_lower.isle");
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// Directory for mid-end optimizations.
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//let src_opts = codegen_crate_dir.join("src").join("opts");
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let src_isa_risc_v = codegen_crate_dir.join("src");
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// This is a set of ISLE compilation units.
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//
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// The format of each entry is:
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//
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// (output Rust code file, input ISLE source files)
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//
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// There should be one entry for each backend that uses ISLE for lowering,
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// and if/when we replace our peephole optimization passes with ISLE, there
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// should be an entry for each of those as well.
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//
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// N.B.: add any new compilation outputs to
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// `scripts/force-rebuild-isle.sh` if they do not fit the pattern
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// `cranelift/codegen/src/isa/*/lower/isle/generated_code.rs`!
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let isle_compilations = IsleCompilations {
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items: vec![
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// // The mid-end optimization rules.
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// IsleCompilation {
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// output: gen_dir.join("isle_opt.rs"),
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// inputs: vec![
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// prelude_isle.clone(),
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// prelude_opt_isle,
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// src_opts.join("arithmetic.isle"),
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// src_opts.join("bitops.isle"),
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// src_opts.join("cprop.isle"),
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// src_opts.join("extends.isle"),
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// src_opts.join("icmp.isle"),
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// src_opts.join("remat.isle"),
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// src_opts.join("selects.isle"),
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// src_opts.join("shifts.isle"),
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// src_opts.join("spaceship.isle"),
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// src_opts.join("spectre.isle"),
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// src_opts.join("vector.isle"),
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// ],
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// untracked_inputs: vec![clif_opt_isle],
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// },
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// The risc-v instruction selector.
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IsleCompilation {
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output: gen_dir.join("isle_riscv64.rs"),
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inputs: vec![
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prelude_isle.clone(),
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prelude_lower_isle.clone(),
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src_isa_risc_v.join("inst.isle"),
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src_isa_risc_v.join("inst_vector.isle"),
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src_isa_risc_v.join("lower.isle"),
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],
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untracked_inputs: vec![clif_lower_isle.clone()],
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},
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],
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items: vec![IsleCompilation {
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output: gen_dir.join("isle_riscv64.rs"),
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inputs: vec![
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prelude_isle.clone(),
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prelude_lower_isle.clone(),
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src_isa_risc_v.join("inst.isle"),
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src_isa_risc_v.join("inst_vector.isle"),
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src_isa_risc_v.join("lower.isle"),
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],
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untracked_inputs: vec![clif_lower_isle.clone()],
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}],
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};
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let mut had_error = false;
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