diff options
| author | Ralf Jung <post@ralfj.de> | 2025-09-08 10:27:05 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-09-08 10:27:05 +0000 |
| commit | 3430751d7edcbc375663f4d7d10072709df52e44 (patch) | |
| tree | 9ed7d1c3b1d7943ded851dd74b3ddb1e95042394 /src | |
| parent | 211461a4d50fa282bbb29abd53ee4eb1808a9224 (diff) | |
| parent | 24ce839fb953d1172a19479edcb2f75877cf153e (diff) | |
| download | rust-3430751d7edcbc375663f4d7d10072709df52e44.tar.gz rust-3430751d7edcbc375663f4d7d10072709df52e44.zip | |
Merge pull request #4573 from RalfJung/rustup
Rustup
Diffstat (limited to 'src')
43 files changed, 1018 insertions, 957 deletions
diff --git a/src/bootstrap/mk/Makefile.in b/src/bootstrap/mk/Makefile.in index 82c05092dfa..03caa764ccf 100644 --- a/src/bootstrap/mk/Makefile.in +++ b/src/bootstrap/mk/Makefile.in @@ -76,7 +76,7 @@ check-aux: library/std \ $(BOOTSTRAP_ARGS) \ -- \ - --skip fs:: --skip net:: --skip process:: --skip sys::fd:: --skip sys::pal:: + --skip fs:: --skip net:: --skip process:: --skip sys:: # Also test some very target-specific modules on other targets # (making sure to cover an i686 target as well). $(Q)MIRIFLAGS="-Zmiri-disable-isolation" BOOTSTRAP_SKIP_TARGET_SANITY=1 \ diff --git a/src/bootstrap/src/core/build_steps/check.rs b/src/bootstrap/src/core/build_steps/check.rs index 49d12b64da5..043457f64e5 100644 --- a/src/bootstrap/src/core/build_steps/check.rs +++ b/src/bootstrap/src/core/build_steps/check.rs @@ -839,3 +839,9 @@ tool_check_step!(Linkchecker { mode: |_builder| Mode::ToolBootstrap, default: false }); + +tool_check_step!(BumpStage0 { + path: "src/tools/bump-stage0", + mode: |_builder| Mode::ToolBootstrap, + default: false +}); diff --git a/src/bootstrap/src/core/build_steps/doc.rs b/src/bootstrap/src/core/build_steps/doc.rs index eb198a0051a..7865b685659 100644 --- a/src/bootstrap/src/core/build_steps/doc.rs +++ b/src/bootstrap/src/core/build_steps/doc.rs @@ -575,6 +575,31 @@ impl Step for SharedAssets { FileType::Regular, ); + builder.copy_link( + &builder + .src + .join("src") + .join("librustdoc") + .join("html") + .join("static") + .join("images") + .join("favicon.svg"), + &out.join("favicon.svg"), + FileType::Regular, + ); + builder.copy_link( + &builder + .src + .join("src") + .join("librustdoc") + .join("html") + .join("static") + .join("images") + .join("favicon-32x32.png"), + &out.join("favicon-32x32.png"), + FileType::Regular, + ); + SharedAssetsPaths { version_info } } } @@ -965,9 +990,11 @@ macro_rules! tool_doc { ( $tool: ident, $path: literal, - $(rustc_private_tool = $rustc_private_tool:literal, )? - $(is_library = $is_library:expr,)? - $(crates = $crates:expr)? + mode = $mode:expr + $(, is_library = $is_library:expr )? + $(, crates = $crates:expr )? + // Subset of nightly features that are allowed to be used when documenting + $(, allow_features: $allow_features:expr )? ) => { #[derive(Debug, Clone, Hash, PartialEq, Eq)] pub struct $tool { @@ -988,20 +1015,29 @@ macro_rules! tool_doc { fn make_run(run: RunConfig<'_>) { let target = run.target; - let (build_compiler, mode) = if true $(&& $rustc_private_tool)? { - // Rustdoc needs the rustc sysroot available to build. - let compilers = RustcPrivateCompilers::new(run.builder, run.builder.top_stage, target); - - // Build rustc docs so that we generate relative links. - run.builder.ensure(Rustc::from_build_compiler(run.builder, compilers.build_compiler(), target)); - - (compilers.build_compiler(), Mode::ToolRustcPrivate) - } else { - // bootstrap/host tools have to be documented with the stage 0 compiler - (prepare_doc_compiler(run.builder, run.builder.host_target, 1), Mode::ToolBootstrap) + let build_compiler = match $mode { + Mode::ToolRustcPrivate => { + // Rustdoc needs the rustc sysroot available to build. + let compilers = RustcPrivateCompilers::new(run.builder, run.builder.top_stage, target); + + // Build rustc docs so that we generate relative links. + run.builder.ensure(Rustc::from_build_compiler(run.builder, compilers.build_compiler(), target)); + compilers.build_compiler() + } + Mode::ToolBootstrap => { + // bootstrap/host tools should be documented with the stage 0 compiler + prepare_doc_compiler(run.builder, run.builder.host_target, 1) + } + Mode::ToolTarget => { + // target tools should be documented with the in-tree compiler + prepare_doc_compiler(run.builder, run.builder.host_target, run.builder.top_stage) + } + _ => { + panic!("Unexpected tool mode for documenting: {:?}", $mode); + } }; - run.builder.ensure($tool { build_compiler, mode, target }); + run.builder.ensure($tool { build_compiler, mode: $mode, target }); } /// Generates documentation for a tool. @@ -1032,6 +1068,15 @@ macro_rules! tool_doc { source_type, &[], ); + let allow_features = { + let mut _value = ""; + $( _value = $allow_features; )? + _value + }; + + if !allow_features.is_empty() { + cargo.allow_features(allow_features); + } cargo.arg("-Zskip-rustdoc-fingerprint"); // Only include compiler crates, no dependencies of those, such as `libc`. @@ -1087,18 +1132,33 @@ macro_rules! tool_doc { tool_doc!( BuildHelper, "src/build_helper", - rustc_private_tool = false, + mode = Mode::ToolBootstrap, is_library = true, crates = ["build_helper"] ); -tool_doc!(Rustdoc, "src/tools/rustdoc", crates = ["rustdoc", "rustdoc-json-types"]); -tool_doc!(Rustfmt, "src/tools/rustfmt", crates = ["rustfmt-nightly", "rustfmt-config_proc_macro"]); -tool_doc!(Clippy, "src/tools/clippy", crates = ["clippy_config", "clippy_utils"]); -tool_doc!(Miri, "src/tools/miri", crates = ["miri"]); +tool_doc!( + Rustdoc, + "src/tools/rustdoc", + mode = Mode::ToolRustcPrivate, + crates = ["rustdoc", "rustdoc-json-types"] +); +tool_doc!( + Rustfmt, + "src/tools/rustfmt", + mode = Mode::ToolRustcPrivate, + crates = ["rustfmt-nightly", "rustfmt-config_proc_macro"] +); +tool_doc!( + Clippy, + "src/tools/clippy", + mode = Mode::ToolRustcPrivate, + crates = ["clippy_config", "clippy_utils"] +); +tool_doc!(Miri, "src/tools/miri", mode = Mode::ToolRustcPrivate, crates = ["miri"]); tool_doc!( Cargo, "src/tools/cargo", - rustc_private_tool = false, + mode = Mode::ToolTarget, crates = [ "cargo", "cargo-credential", @@ -1110,27 +1170,30 @@ tool_doc!( "crates-io", "mdman", "rustfix", - ] + ], + // Required because of the im-rc dependency of Cargo, which automatically opts into the + // "specialization" feature in its build script when it detects a nightly toolchain. + allow_features: "specialization" ); -tool_doc!(Tidy, "src/tools/tidy", rustc_private_tool = false, crates = ["tidy"]); +tool_doc!(Tidy, "src/tools/tidy", mode = Mode::ToolBootstrap, crates = ["tidy"]); tool_doc!( Bootstrap, "src/bootstrap", - rustc_private_tool = false, + mode = Mode::ToolBootstrap, is_library = true, crates = ["bootstrap"] ); tool_doc!( RunMakeSupport, "src/tools/run-make-support", - rustc_private_tool = false, + mode = Mode::ToolBootstrap, is_library = true, crates = ["run_make_support"] ); tool_doc!( Compiletest, "src/tools/compiletest", - rustc_private_tool = false, + mode = Mode::ToolBootstrap, is_library = true, crates = ["compiletest"] ); diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index cb81d738666..4f839bdf7b8 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -1522,6 +1522,12 @@ test!(Pretty { }); test!(RunMake { path: "tests/run-make", mode: "run-make", suite: "run-make", default: true }); +test!(RunMakeCargo { + path: "tests/run-make-cargo", + mode: "run-make", + suite: "run-make-cargo", + default: true +}); test!(AssemblyLlvm { path: "tests/assembly-llvm", @@ -1773,7 +1779,7 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the target, }); } - if suite == "run-make" { + if mode == "run-make" { builder.tool_exe(Tool::RunMakeSupport); } @@ -1816,25 +1822,41 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the let is_rustdoc = suite == "rustdoc-ui" || suite == "rustdoc-js"; + // There are (potentially) 2 `cargo`s to consider: + // + // - A "bootstrap" cargo, which is the same cargo used to build bootstrap itself, and is + // used to build the `run-make` test recipes and the `run-make-support` test library. All + // of these may not use unstable rustc/cargo features. + // - An in-tree cargo, which should be considered as under test. The `run-make-cargo` test + // suite is intended to support the use case of testing the "toolchain" (that is, at the + // minimum the interaction between in-tree cargo + rustc) together. + // + // For build time and iteration purposes, we partition `run-make` tests which needs an + // in-tree cargo (a smaller subset) versus `run-make` tests that do not into two test + // suites, `run-make` and `run-make-cargo`. That way, contributors who do not need to run + // the `run-make` tests that need in-tree cargo do not need to spend time building in-tree + // cargo. if mode == "run-make" { - let cargo_path = if test_compiler.stage == 0 { - // If we're using `--stage 0`, we should provide the bootstrap cargo. - builder.initial_cargo.clone() - } else { - builder - .ensure(tool::Cargo::from_build_compiler( - builder.compiler(test_compiler.stage - 1, test_compiler.host), - test_compiler.host, - )) - .tool_path - }; - - cmd.arg("--cargo-path").arg(cargo_path); - // We need to pass the compiler that was used to compile run-make-support, // because we have to use the same compiler to compile rmake.rs recipes. let stage0_rustc_path = builder.compiler(0, test_compiler.host); cmd.arg("--stage0-rustc-path").arg(builder.rustc(stage0_rustc_path)); + + if suite == "run-make-cargo" { + let cargo_path = if test_compiler.stage == 0 { + // If we're using `--stage 0`, we should provide the bootstrap cargo. + builder.initial_cargo.clone() + } else { + builder + .ensure(tool::Cargo::from_build_compiler( + builder.compiler(test_compiler.stage - 1, test_compiler.host), + test_compiler.host, + )) + .tool_path + }; + + cmd.arg("--cargo-path").arg(cargo_path); + } } // Avoid depending on rustdoc when we don't need it. diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index c5308034fe3..6870bf3eddc 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -121,9 +121,11 @@ impl Step for ToolBuild { cargo.env("RUSTC_WRAPPER", ccache); } - // Rustc tools (miri, clippy, cargo, rustfmt, rust-analyzer) + // RustcPrivate tools (miri, clippy, rustfmt, rust-analyzer) and cargo // could use the additional optimizations. - if self.mode == Mode::ToolRustcPrivate && is_lto_stage(&self.build_compiler) { + if is_lto_stage(&self.build_compiler) + && (self.mode == Mode::ToolRustcPrivate || self.path == "src/tools/cargo") + { let lto = match builder.config.rust_lto { RustcLto::Off => Some("off"), RustcLto::Thin => Some("thin"), diff --git a/src/bootstrap/src/core/builder/cargo.rs b/src/bootstrap/src/core/builder/cargo.rs index cca0c803e63..924bb4adb42 100644 --- a/src/bootstrap/src/core/builder/cargo.rs +++ b/src/bootstrap/src/core/builder/cargo.rs @@ -533,7 +533,7 @@ impl Builder<'_> { if cmd_kind == Kind::Doc { let my_out = match mode { // This is the intended out directory for compiler documentation. - Mode::Rustc | Mode::ToolRustcPrivate | Mode::ToolBootstrap => { + Mode::Rustc | Mode::ToolRustcPrivate | Mode::ToolBootstrap | Mode::ToolTarget => { self.compiler_doc_out(target) } Mode::Std => { diff --git a/src/bootstrap/src/core/builder/mod.rs b/src/bootstrap/src/core/builder/mod.rs index 627085df812..75c8ee36528 100644 --- a/src/bootstrap/src/core/builder/mod.rs +++ b/src/bootstrap/src/core/builder/mod.rs @@ -444,6 +444,7 @@ const PATH_REMAP: &[(&str, &[&str])] = &[ "tests/mir-opt", "tests/pretty", "tests/run-make", + "tests/run-make-cargo", "tests/rustdoc", "tests/rustdoc-gui", "tests/rustdoc-js", @@ -1061,6 +1062,7 @@ impl<'a> Builder<'a> { check::FeaturesStatusDump, check::CoverageDump, check::Linkchecker, + check::BumpStage0, // This has special staging logic, it may run on stage 1 while others run on stage 0. // It takes quite some time to build stage 1, so put this at the end. // @@ -1127,8 +1129,8 @@ impl<'a> Builder<'a> { test::RustInstaller, test::TestFloatParse, test::CollectLicenseMetadata, - // Run run-make last, since these won't pass without make on Windows test::RunMake, + test::RunMakeCargo, ), Kind::Miri => describe!(test::Crate), Kind::Bench => describe!(test::Crate, test::CrateLibrustc), diff --git a/src/bootstrap/src/core/builder/tests.rs b/src/bootstrap/src/core/builder/tests.rs index 9e8c13eb4de..89a0ab7711e 100644 --- a/src/bootstrap/src/core/builder/tests.rs +++ b/src/bootstrap/src/core/builder/tests.rs @@ -1131,6 +1131,59 @@ mod snapshot { } #[test] + fn dist_compiler_docs() { + let ctx = TestCtx::new(); + insta::assert_snapshot!( + ctx.config("dist") + .path("rustc-docs") + .args(&["--set", "build.compiler-docs=true"]) + .render_steps(), @r" + [build] rustc 0 <host> -> UnstableBookGen 1 <host> + [build] rustc 0 <host> -> Rustbook 1 <host> + [doc] unstable-book (book) <host> + [build] llvm <host> + [build] rustc 0 <host> -> rustc 1 <host> + [build] rustc 1 <host> -> std 1 <host> + [doc] book (book) <host> + [doc] book/first-edition (book) <host> + [doc] book/second-edition (book) <host> + [doc] book/2018-edition (book) <host> + [build] rustdoc 1 <host> + [doc] rustc 1 <host> -> standalone 2 <host> + [doc] rustc 1 <host> -> std 1 <host> crates=[alloc,compiler_builtins,core,panic_abort,panic_unwind,proc_macro,rustc-std-workspace-core,std,std_detect,sysroot,test,unwind] + [doc] rustc 1 <host> -> rustc 2 <host> + [build] rustc 1 <host> -> rustc 2 <host> + [doc] rustc 1 <host> -> Rustdoc 2 <host> + [doc] rustc 1 <host> -> Rustfmt 2 <host> + [build] rustc 1 <host> -> error-index 2 <host> + [doc] rustc 1 <host> -> error-index 2 <host> + [doc] nomicon (book) <host> + [doc] rustc 1 <host> -> reference (book) 2 <host> + [doc] rustdoc (book) <host> + [doc] rust-by-example (book) <host> + [build] rustc 0 <host> -> LintDocs 1 <host> + [doc] rustc (book) <host> + [doc] rustc 1 <host> -> Cargo 2 <host> + [doc] cargo (book) <host> + [doc] rustc 1 <host> -> Clippy 2 <host> + [doc] clippy (book) <host> + [doc] rustc 1 <host> -> Miri 2 <host> + [doc] embedded-book (book) <host> + [doc] edition-guide (book) <host> + [doc] style-guide (book) <host> + [build] rustdoc 0 <host> + [doc] rustc 0 <host> -> Tidy 1 <host> + [doc] rustc 0 <host> -> Bootstrap 1 <host> + [doc] rustc 1 <host> -> releases 2 <host> + [doc] rustc 0 <host> -> RunMakeSupport 1 <host> + [doc] rustc 0 <host> -> BuildHelper 1 <host> + [doc] rustc 0 <host> -> Compiletest 1 <host> + [build] rustc 0 <host> -> RustInstaller 1 <host> + " + ); + } + + #[test] fn dist_extended() { let ctx = TestCtx::new(); insta::assert_snapshot!( @@ -2099,8 +2152,9 @@ mod snapshot { [build] rustc 0 <host> -> HtmlChecker 1 <host> [test] html-check <host> [build] rustc 0 <host> -> RunMakeSupport 1 <host> - [build] rustc 0 <host> -> cargo 1 <host> [test] compiletest-run-make 1 <host> + [build] rustc 0 <host> -> cargo 1 <host> + [test] compiletest-run-make-cargo 1 <host> "); } @@ -2118,7 +2172,6 @@ mod snapshot { [test] compiletest-ui 1 <host> [test] compiletest-ui-fulldeps 1 <host> [build] rustc 0 <host> -> RunMakeSupport 1 <host> - [build] rustc 0 <host> -> cargo 1 <host> [build] rustdoc 1 <host> [test] compiletest-run-make 1 <host> [test] compiletest-rustdoc 1 <host> @@ -2147,7 +2200,6 @@ mod snapshot { [build] rustc 2 <host> -> rustc 3 <host> [test] compiletest-ui-fulldeps 2 <host> [build] rustc 0 <host> -> RunMakeSupport 1 <host> - [build] rustc 1 <host> -> cargo 2 <host> [build] rustdoc 2 <host> [test] compiletest-run-make 2 <host> [test] compiletest-rustdoc 2 <host> @@ -2181,7 +2233,6 @@ mod snapshot { [build] rustc 2 <host> -> rustc 3 <target1> [test] compiletest-ui-fulldeps 2 <target1> [build] rustc 0 <host> -> RunMakeSupport 1 <host> - [build] rustc 1 <host> -> cargo 2 <host> [build] rustdoc 2 <host> [test] compiletest-run-make 2 <target1> [test] compiletest-rustdoc 2 <target1> @@ -2276,8 +2327,9 @@ mod snapshot { [build] rustc 0 <host> -> HtmlChecker 1 <host> [test] html-check <host> [build] rustc 0 <host> -> RunMakeSupport 1 <host> - [build] rustc 1 <host> -> cargo 2 <host> [test] compiletest-run-make 2 <host> + [build] rustc 1 <host> -> cargo 2 <host> + [test] compiletest-run-make-cargo 2 <host> "); } @@ -2411,6 +2463,43 @@ mod snapshot { "); } + // Differential snapshots for `./x test run-make` run `./x test run-make-cargo`: only + // `run-make-cargo` should build an in-tree cargo, running `./x test run-make` should not. + #[test] + fn test_run_make_no_cargo() { + let ctx = TestCtx::new(); + insta::assert_snapshot!( + ctx.config("test") + .path("run-make") + .render_steps(), @r" + [build] llvm <host> + [build] rustc 0 <host> -> rustc 1 <host> + [build] rustc 0 <host> -> RunMakeSupport 1 <host> + [build] rustc 1 <host> -> std 1 <host> + [build] rustc 0 <host> -> Compiletest 1 <host> + [build] rustdoc 1 <host> + [test] compiletest-run-make 1 <host> + "); + } + + #[test] + fn test_run_make_cargo_builds_cargo() { + let ctx = TestCtx::new(); + insta::assert_snapshot!( + ctx.config("test") + .path("run-make-cargo") + .render_steps(), @r" + [build] llvm <host> + [build] rustc 0 <host> -> rustc 1 <host> + [build] rustc 0 <host> -> RunMakeSupport 1 <host> + [build] rustc 1 <host> -> std 1 <host> + [build] rustc 0 <host> -> Compiletest 1 <host> + [build] rustc 0 <host> -> cargo 1 <host> + [build] rustdoc 1 <host> + [test] compiletest-run-make-cargo 1 <host> + "); + } + #[test] fn doc_all() { let ctx = TestCtx::new(); @@ -2463,6 +2552,33 @@ mod snapshot { } #[test] + fn doc_cargo_stage_1() { + let ctx = TestCtx::new(); + insta::assert_snapshot!( + ctx.config("doc") + .path("cargo") + .render_steps(), @r" + [build] rustdoc 0 <host> + [doc] rustc 0 <host> -> Cargo 1 <host> + "); + } + #[test] + fn doc_cargo_stage_2() { + let ctx = TestCtx::new(); + insta::assert_snapshot!( + ctx.config("doc") + .path("cargo") + .stage(2) + .render_steps(), @r" + [build] llvm <host> + [build] rustc 0 <host> -> rustc 1 <host> + [build] rustc 1 <host> -> std 1 <host> + [build] rustdoc 1 <host> + [doc] rustc 1 <host> -> Cargo 2 <host> + "); + } + + #[test] fn doc_core() { let ctx = TestCtx::new(); insta::assert_snapshot!( diff --git a/src/ci/docker/host-aarch64/aarch64-gnu-debug/Dockerfile b/src/ci/docker/host-aarch64/aarch64-gnu-debug/Dockerfile index cf030f6830e..71de8f917fa 100644 --- a/src/ci/docker/host-aarch64/aarch64-gnu-debug/Dockerfile +++ b/src/ci/docker/host-aarch64/aarch64-gnu-debug/Dockerfile @@ -54,4 +54,4 @@ ENV RUST_CONFIGURE_ARGS \ ENV SCRIPT \ python3 ../x.py --stage 2 build && \ - python3 ../x.py --stage 2 test tests/run-make + python3 ../x.py --stage 2 test tests/run-make tests/run-make-cargo diff --git a/src/ci/docker/host-x86_64/dist-various-1/Dockerfile b/src/ci/docker/host-x86_64/dist-various-1/Dockerfile index 4d5980027ca..e59012ff6af 100644 --- a/src/ci/docker/host-x86_64/dist-various-1/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-various-1/Dockerfile @@ -158,7 +158,7 @@ ENV RUST_CONFIGURE_ARGS \ --disable-docs ENV SCRIPT \ - python3 ../x.py --stage 2 test --host='' --target $RUN_MAKE_TARGETS tests/run-make && \ + python3 ../x.py --stage 2 test --host='' --target $RUN_MAKE_TARGETS tests/run-make tests/run-make-cargo && \ python3 ../x.py dist --host='' --target $TARGETS # sccache diff --git a/src/ci/docker/host-x86_64/pr-check-2/Dockerfile b/src/ci/docker/host-x86_64/pr-check-2/Dockerfile index 8073b8efb46..d6470e4deb8 100644 --- a/src/ci/docker/host-x86_64/pr-check-2/Dockerfile +++ b/src/ci/docker/host-x86_64/pr-check-2/Dockerfile @@ -28,6 +28,7 @@ RUN sh /scripts/sccache.sh ENV SCRIPT \ python3 ../x.py check && \ + python3 ../x.py check src/tools/bump-stage0 && \ python3 ../x.py clippy ci --stage 2 && \ python3 ../x.py test --stage 1 core alloc std test proc_macro && \ python3 ../x.py test --stage 1 src/tools/compiletest && \ diff --git a/src/ci/docker/host-x86_64/test-various/Dockerfile b/src/ci/docker/host-x86_64/test-various/Dockerfile index 6ff529c9e71..e1c882d5b08 100644 --- a/src/ci/docker/host-x86_64/test-various/Dockerfile +++ b/src/ci/docker/host-x86_64/test-various/Dockerfile @@ -60,9 +60,10 @@ RUN curl -L https://github.com/bytecodealliance/wasmtime/releases/download/v19.0 tar -xJ ENV PATH "$PATH:/wasmtime-v19.0.0-x86_64-linux" -ENV WASM_WASIP_TARGET=wasm32-wasip1 +ENV WASM_WASIP_TARGET=wasm32-wasip1 ENV WASM_WASIP_SCRIPT python3 /checkout/x.py --stage 2 test --host='' --target $WASM_WASIP_TARGET \ tests/run-make \ + tests/run-make-cargo \ tests/ui \ tests/mir-opt \ tests/codegen-units \ @@ -73,6 +74,7 @@ ENV WASM_WASIP_SCRIPT python3 /checkout/x.py --stage 2 test --host='' --target $ ENV NVPTX_TARGETS=nvptx64-nvidia-cuda ENV NVPTX_SCRIPT python3 /checkout/x.py --stage 2 test --host='' --target $NVPTX_TARGETS \ tests/run-make \ + tests/run-make-cargo \ tests/assembly-llvm ENV MUSL_TARGETS=x86_64-unknown-linux-musl \ @@ -88,8 +90,8 @@ ENV UEFI_TARGETS=aarch64-unknown-uefi,i686-unknown-uefi,x86_64-unknown-uefi \ CC_x86_64_unknown_uefi=clang-11 \ CXX_x86_64_unknown_uefi=clang++-11 ENV UEFI_SCRIPT python3 /checkout/x.py --stage 2 build --host='' --target $UEFI_TARGETS && \ - python3 /checkout/x.py --stage 2 test tests/run-make/uefi-qemu/rmake.rs --target aarch64-unknown-uefi && \ - python3 /checkout/x.py --stage 2 test tests/run-make/uefi-qemu/rmake.rs --target i686-unknown-uefi && \ - python3 /checkout/x.py --stage 2 test tests/run-make/uefi-qemu/rmake.rs --target x86_64-unknown-uefi + python3 /checkout/x.py --stage 2 test tests/run-make-cargo/uefi-qemu/rmake.rs --target aarch64-unknown-uefi && \ + python3 /checkout/x.py --stage 2 test tests/run-make-cargo/uefi-qemu/rmake.rs --target i686-unknown-uefi && \ + python3 /checkout/x.py --stage 2 test tests/run-make-cargo/uefi-qemu/rmake.rs --target x86_64-unknown-uefi ENV SCRIPT $WASM_WASIP_SCRIPT && $NVPTX_SCRIPT && $MUSL_SCRIPT && $UEFI_SCRIPT diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile index 5052d86f0ac..7e6a59aaf89 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile +++ b/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile @@ -56,4 +56,4 @@ ENV RUST_CONFIGURE_ARGS \ ENV SCRIPT \ python3 ../x.py --stage 2 build && \ python3 ../x.py --stage 2 test tests/ui && \ - python3 ../x.py --stage 2 test tests/run-make + python3 ../x.py --stage 2 test tests/run-make tests/run-make-cargo diff --git a/src/doc/favicon.inc b/src/doc/favicon.inc index 9c330685209..f09498cc095 100644 --- a/src/doc/favicon.inc +++ b/src/doc/favicon.inc @@ -1 +1,2 @@ -<link rel="icon" href="https://www.rust-lang.org/favicon.ico"> +<link rel="alternate icon" type="image/png" href="favicon-32x32.png"> +<link rel="icon" type="image/svg+xml" href="favicon.svg"> diff --git a/src/doc/redirect.inc b/src/doc/redirect.inc index 2fb44be0145..1b7d3744b1f 100644 --- a/src/doc/redirect.inc +++ b/src/doc/redirect.inc @@ -1,2 +1,3 @@ <meta name="robots" content="noindex,follow"> -<link rel="icon" href="https://www.rust-lang.org/favicon.ico"> +<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"> +<link rel="icon" type="image/svg+xml" href="../favicon.svg"> diff --git a/src/doc/rustc-dev-guide/src/tests/adding.md b/src/doc/rustc-dev-guide/src/tests/adding.md index e5c26bef11d..46b8a1e4cf4 100644 --- a/src/doc/rustc-dev-guide/src/tests/adding.md +++ b/src/doc/rustc-dev-guide/src/tests/adding.md @@ -29,6 +29,8 @@ guidelines: suites. - Need to inspect the resulting binary in some way? Or if all the other test suites are too limited for your purposes? Then use `run-make`. + - Use `run-make-cargo` if you need to exercise in-tree `cargo` in conjunction + with in-tree `rustc`. - Check out the [compiletest] chapter for more specialized test suites. After deciding on which kind of test to add, see [best diff --git a/src/doc/rustc-dev-guide/src/tests/best-practices.md b/src/doc/rustc-dev-guide/src/tests/best-practices.md index be00207e3fb..efc626035b7 100644 --- a/src/doc/rustc-dev-guide/src/tests/best-practices.md +++ b/src/doc/rustc-dev-guide/src/tests/best-practices.md @@ -83,10 +83,10 @@ related tests. - E.g. for an implementation of RFC 2093 specifically, we can group a collection of tests under `tests/ui/rfc-2093-infer-outlives/`. For the directory name, include what the RFC is about. -- For the [`run-make`] test suite, each `rmake.rs` must be contained within an - immediate subdirectory under `tests/run-make/`. Further nesting is not - presently supported. Avoid including issue number in the directory name too, - include that info in a comment inside `rmake.rs`. +- For the [`run-make`]/`run-make-support` test suites, each `rmake.rs` must + be contained within an immediate subdirectory under `tests/run-make/` or + `tests/run-make-cargo/` respectively. Further nesting is not presently + supported. Avoid using _only_ an issue number for the test name as well. ## Test descriptions diff --git a/src/doc/rustc-dev-guide/src/tests/compiletest.md b/src/doc/rustc-dev-guide/src/tests/compiletest.md index 4980ed845d6..a4a729935fa 100644 --- a/src/doc/rustc-dev-guide/src/tests/compiletest.md +++ b/src/doc/rustc-dev-guide/src/tests/compiletest.md @@ -397,13 +397,19 @@ your test, causing separate files to be generated for 32bit and 64bit systems. ### `run-make` tests -The tests in [`tests/run-make`] are general-purpose tests using Rust *recipes*, -which are small programs (`rmake.rs`) allowing arbitrary Rust code such as -`rustc` invocations, and is supported by a [`run_make_support`] library. Using -Rust recipes provide the ultimate in flexibility. +The tests in [`tests/run-make`] and [`tests/run-make-cargo`] are general-purpose +tests using Rust *recipes*, which are small programs (`rmake.rs`) allowing +arbitrary Rust code such as `rustc` invocations, and is supported by a +[`run_make_support`] library. Using Rust recipes provide the ultimate in +flexibility. `run-make` tests should be used if no other test suites better suit your needs. +The `run-make-cargo` test suite additionally builds an in-tree `cargo` to support +use cases that require testing in-tree `cargo` in conjunction with in-tree `rustc`. +The `run-make` test suite does not have access to in-tree `cargo` (so it can be the +faster-to-iterate test suite). + #### Using Rust recipes Each test should be in a separate directory with a `rmake.rs` Rust program, @@ -476,6 +482,7 @@ Then add a corresponding entry to `"rust-analyzer.linkedProjects"` ``` [`tests/run-make`]: https://github.com/rust-lang/rust/tree/master/tests/run-make +[`tests/run-make-cargo`]: https://github.com/rust-lang/rust/tree/master/tests/run-make-cargo [`run_make_support`]: https://github.com/rust-lang/rust/tree/master/src/tools/run-make-support ### Coverage tests diff --git a/src/doc/rustc-dev-guide/src/tests/directives.md b/src/doc/rustc-dev-guide/src/tests/directives.md index fbbeb7e97d3..4ff6b7cb10f 100644 --- a/src/doc/rustc-dev-guide/src/tests/directives.md +++ b/src/doc/rustc-dev-guide/src/tests/directives.md @@ -52,14 +52,14 @@ not be exhaustive. Directives can generally be found by browsing the See [Building auxiliary crates](compiletest.html#building-auxiliary-crates) -| Directive | Explanation | Supported test suites | Possible values | -|-----------------------|-------------------------------------------------------------------------------------------------------|-----------------------|-----------------------------------------------| -| `aux-bin` | Build a aux binary, made available in `auxiliary/bin` relative to test directory | All except `run-make` | Path to auxiliary `.rs` file | -| `aux-build` | Build a separate crate from the named source file | All except `run-make` | Path to auxiliary `.rs` file | -| `aux-crate` | Like `aux-build` but makes available as extern prelude | All except `run-make` | `<extern_prelude_name>=<path/to/aux/file.rs>` | -| `aux-codegen-backend` | Similar to `aux-build` but pass the compiled dylib to `-Zcodegen-backend` when building the main file | `ui-fulldeps` | Path to codegen backend file | -| `proc-macro` | Similar to `aux-build`, but for aux forces host and don't use `-Cprefer-dynamic`[^pm]. | All except `run-make` | Path to auxiliary proc-macro `.rs` file | -| `build-aux-docs` | Build docs for auxiliaries as well. Note that this only works with `aux-build`, not `aux-crate`. | All except `run-make` | N/A | +| Directive | Explanation | Supported test suites | Possible values | +|-----------------------|-------------------------------------------------------------------------------------------------------|----------------------------------------|-----------------------------------------------| +| `aux-bin` | Build a aux binary, made available in `auxiliary/bin` relative to test directory | All except `run-make`/`run-make-cargo` | Path to auxiliary `.rs` file | +| `aux-build` | Build a separate crate from the named source file | All except `run-make`/`run-make-cargo` | Path to auxiliary `.rs` file | +| `aux-crate` | Like `aux-build` but makes available as extern prelude | All except `run-make`/`run-make-cargo` | `<extern_prelude_name>=<path/to/aux/file.rs>` | +| `aux-codegen-backend` | Similar to `aux-build` but pass the compiled dylib to `-Zcodegen-backend` when building the main file | `ui-fulldeps` | Path to codegen backend file | +| `proc-macro` | Similar to `aux-build`, but for aux forces host and don't use `-Cprefer-dynamic`[^pm]. | All except `run-make`/`run-make-cargo` | Path to auxiliary proc-macro `.rs` file | +| `build-aux-docs` | Build docs for auxiliaries as well. Note that this only works with `aux-build`, not `aux-crate`. | All except `run-make`/`run-make-cargo` | N/A | [^pm]: please see the [Auxiliary proc-macro section](compiletest.html#auxiliary-proc-macro) in the compiletest chapter for specifics. @@ -243,18 +243,18 @@ ignoring debuggers. ### Affecting how tests are built -| Directive | Explanation | Supported test suites | Possible values | -|---------------------|----------------------------------------------------------------------------------------------|---------------------------|--------------------------------------------------------------------------------------------| -| `compile-flags` | Flags passed to `rustc` when building the test or aux file | All except for `run-make` | Any valid `rustc` flags, e.g. `-Awarnings -Dfoo`. Cannot be `-Cincremental` or `--edition` | -| `edition` | The edition used to build the test | All except for `run-make` | Any valid `--edition` value | -| `rustc-env` | Env var to set when running `rustc` | All except for `run-make` | `<KEY>=<VALUE>` | -| `unset-rustc-env` | Env var to unset when running `rustc` | All except for `run-make` | Any env var name | -| `incremental` | Proper incremental support for tests outside of incremental test suite | `ui`, `crashes` | N/A | -| `no-prefer-dynamic` | Don't use `-C prefer-dynamic`, don't build as a dylib via a `--crate-type=dylib` preset flag | `ui`, `crashes` | N/A | +| Directive | Explanation | Supported test suites | Possible values | +|---------------------|----------------------------------------------------------------------------------------------|--------------------------------------------|--------------------------------------------------------------------------------------------| +| `compile-flags` | Flags passed to `rustc` when building the test or aux file | All except for `run-make`/`run-make-cargo` | Any valid `rustc` flags, e.g. `-Awarnings -Dfoo`. Cannot be `-Cincremental` or `--edition` | +| `edition` | The edition used to build the test | All except for `run-make`/`run-make-cargo` | Any valid `--edition` value | +| `rustc-env` | Env var to set when running `rustc` | All except for `run-make`/`run-make-cargo` | `<KEY>=<VALUE>` | +| `unset-rustc-env` | Env var to unset when running `rustc` | All except for `run-make`/`run-make-cargo` | Any env var name | +| `incremental` | Proper incremental support for tests outside of incremental test suite | `ui`, `crashes` | N/A | +| `no-prefer-dynamic` | Don't use `-C prefer-dynamic`, don't build as a dylib via a `--crate-type=dylib` preset flag | `ui`, `crashes` | N/A | <div class="warning"> -Tests (outside of `run-make`) that want to use incremental tests not in the +Tests (outside of `run-make`/`run-make-cargo`) that want to use incremental tests not in the incremental test-suite must not pass `-C incremental` via `compile-flags`, and must instead use the `//@ incremental` directive. @@ -264,9 +264,9 @@ Consider writing the test as a proper incremental test instead. ### Rustdoc -| Directive | Explanation | Supported test suites | Possible values | -|-------------|--------------------------------------------------------------|------------------------------------------|---------------------------| -| `doc-flags` | Flags passed to `rustdoc` when building the test or aux file | `rustdoc`, `rustdoc-js`, `rustdoc-json` | Any valid `rustdoc` flags | +| Directive | Explanation | Supported test suites | Possible values | +|-------------|--------------------------------------------------------------|-----------------------------------------|---------------------------| +| `doc-flags` | Flags passed to `rustdoc` when building the test or aux file | `rustdoc`, `rustdoc-js`, `rustdoc-json` | Any valid `rustdoc` flags | <!-- **FIXME(rustdoc)**: what does `check-test-line-numbers-match` do? diff --git a/src/doc/rustc-dev-guide/src/tests/misc.md b/src/doc/rustc-dev-guide/src/tests/misc.md index 39f88174879..cc8f501224f 100644 --- a/src/doc/rustc-dev-guide/src/tests/misc.md +++ b/src/doc/rustc-dev-guide/src/tests/misc.md @@ -24,8 +24,8 @@ In `ui` tests and other test suites that support `//@ rustc-env`, you can specif //@ rustc-env:RUSTC_BOOTSTRAP=-1 ``` -For `run-make` tests, `//@ rustc-env` is not supported. You can do something -like the following for individual `rustc` invocations. +For `run-make`/`run-make-cargo` tests, `//@ rustc-env` is not supported. You can do +something like the following for individual `rustc` invocations. ```rust,ignore use run_make_support::rustc; diff --git a/src/doc/style-guide/src/README.md b/src/doc/style-guide/src/README.md index f42b9cb5978..c3788c97ae6 100644 --- a/src/doc/style-guide/src/README.md +++ b/src/doc/style-guide/src/README.md @@ -112,6 +112,14 @@ fn bar() {} fn baz() {} ``` +### Trailing whitespace + +Do not include trailing whitespace on the end of any line. This includes blank +lines, comment lines, code lines, and string literals. + +Note that avoiding trailing whitespace in string literals requires care to +preserve the value of the literal. + ### Sorting In various cases, the default Rust style specifies to sort things. If not @@ -225,8 +233,8 @@ newline after the opening sigil, and a newline before the closing sigil. Prefer to put a comment on its own line. Where a comment follows code, put a single space before it. Where a block comment appears inline, use surrounding -whitespace as if it were an identifier or keyword. Do not include trailing -whitespace after a comment or at the end of any line in a multi-line comment. +whitespace as if it were an identifier or keyword. + Examples: ```rust diff --git a/src/doc/unstable-book/src/compiler-flags/sanitizer.md b/src/doc/unstable-book/src/compiler-flags/sanitizer.md index 2f9d4d22e5a..493256de99d 100644 --- a/src/doc/unstable-book/src/compiler-flags/sanitizer.md +++ b/src/doc/unstable-book/src/compiler-flags/sanitizer.md @@ -244,18 +244,16 @@ See the [Clang ControlFlowIntegrity documentation][clang-cfi] for more details. ## Example 1: Redirecting control flow using an indirect branch/call to an invalid destination -```rust,ignore (making doc tests pass cross-platform is hard) -use std::arch::naked_asm; -use std::mem; - +```rust fn add_one(x: i32) -> i32 { x + 1 } #[unsafe(naked)] -pub extern "C" fn add_two(x: i32) { +# #[cfg(all(target_os = "linux", target_arch = "x86_64"))] +pub extern "sysv64" fn add_two(x: i32) { // x + 2 preceded by a landing pad/nop block - naked_asm!( + std::arch::naked_asm!( " nop nop @@ -281,16 +279,18 @@ fn main() { println!("The answer is: {}", answer); - println!("With CFI enabled, you should not see the next answer"); - let f: fn(i32) -> i32 = unsafe { - // Offset 0 is a valid branch/call destination (i.e., the function entry - // point), but offsets 1-8 within the landing pad/nop block are invalid - // branch/call destinations (i.e., within the body of the function). - mem::transmute::<*const u8, fn(i32) -> i32>((add_two as *const u8).offset(5)) - }; - let next_answer = do_twice(f, 5); - - println!("The next answer is: {}", next_answer); +# #[cfg(all(target_os = "linux", target_arch = "x86_64"))] { + println!("With CFI enabled, you should not see the next answer"); + let f: fn(i32) -> i32 = unsafe { + // Offset 0 is a valid branch/call destination (i.e., the function entry + // point), but offsets 1-8 within the landing pad/nop block are invalid + // branch/call destinations (i.e., within the body of the function). + std::mem::transmute::<*const u8, fn(i32) -> i32>((add_two as *const u8).offset(5)) + }; + let next_answer = do_twice(f, 5); + + println!("The next answer is: {}", next_answer); +# } } ``` Fig. 1. Redirecting control flow using an indirect branch/call to an invalid diff --git a/src/stage0 b/src/stage0 index 73bf5ba4b78..a705cd1c760 100644 --- a/src/stage0 +++ b/src/stage0 @@ -15,7 +15,7 @@ nightly_branch=master compiler_date=2025-08-05 compiler_version=beta -rustfmt_date=2025-08-06 +rustfmt_date=2025-09-05 rustfmt_version=nightly dist/2025-08-05/rustc-beta-aarch64-apple-darwin.tar.gz=b9d8f74da46aeadb6c650a4ccfc3c2de08e229e4211a198fa2914103f09f579d @@ -396,123 +396,123 @@ dist/2025-08-05/clippy-beta-x86_64-unknown-linux-musl.tar.gz=79fd42cffac98024308 dist/2025-08-05/clippy-beta-x86_64-unknown-linux-musl.tar.xz=a3a616554ed25630df9f8cef37a5d36573e6f722b1f6b4220ff4885e2d3a60de dist/2025-08-05/clippy-beta-x86_64-unknown-netbsd.tar.gz=ad1849cb72ccfd52ba17a34d90f65226726e5044f7ffbe975c74f23643d87d98 dist/2025-08-05/clippy-beta-x86_64-unknown-netbsd.tar.xz=608001728598164e234f176d0c6cfe7317dde27fb4cbb8ad1c2452289e83bf30 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b7f3625da91..79097f2c189 100644 --- a/src/tools/bump-stage0/Cargo.toml +++ b/src/tools/bump-stage0/Cargo.toml @@ -11,4 +11,4 @@ build_helper = { path = "../../build_helper" } curl = "0.4.38" indexmap = { version = "2.0.0", features = ["serde"] } serde = { version = "1.0.125", features = ["derive"] } -toml = "0.7" +toml = "0.8.23" diff --git a/src/tools/bump-stage0/src/main.rs b/src/tools/bump-stage0/src/main.rs index 680437cce4f..faed748785f 100644 --- a/src/tools/bump-stage0/src/main.rs +++ b/src/tools/bump-stage0/src/main.rs @@ -185,7 +185,11 @@ fn fetch_manifest( format!("{}/dist/channel-rust-{}.toml", config.dist_server, channel) }; - Ok(toml::from_slice(&http_get(&url)?)?) + // FIXME: on newer `toml` (>= `0.9.*`), use `toml::from_slice`. For now, we use the most recent + // `toml` available in-tree which is `0.8.*`, so we have to do an additional dance here. + let response = http_get(&url)?; + let response = String::from_utf8(response)?; + Ok(toml::from_str(&response)?) } fn http_get(url: &str) -> Result<Vec<u8>, Error> { diff --git a/src/tools/clippy/tests/ui/bool_assert_comparison.stderr b/src/tools/clippy/tests/ui/bool_assert_comparison.stderr index f823f08f31d..72aa6303a20 100644 --- a/src/tools/clippy/tests/ui/bool_assert_comparison.stderr +++ b/src/tools/clippy/tests/ui/bool_assert_comparison.stderr @@ -272,10 +272,8 @@ LL | assert_eq!(a!(), true); | help: replace it with `assert!(..)` | -LL | true -... -LL | -LL ~ assert!(a!()); +LL - assert_eq!(a!(), true); +LL + assert!(a!()); | error: used `assert_eq!` with a literal bool @@ -286,10 +284,8 @@ LL | assert_eq!(true, b!()); | help: replace it with `assert!(..)` | -LL | true -... -LL | -LL ~ assert!(b!()); +LL - assert_eq!(true, b!()); +LL + assert!(b!()); | error: used `debug_assert_eq!` with a literal bool diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs index 62fdee98735..143ccdcb9e5 100644 --- a/src/tools/compiletest/src/common.rs +++ b/src/tools/compiletest/src/common.rs @@ -67,6 +67,7 @@ string_enum! { MirOpt => "mir-opt", Pretty => "pretty", RunMake => "run-make", + RunMakeCargo => "run-make-cargo", Rustdoc => "rustdoc", RustdocGui => "rustdoc-gui", RustdocJs => "rustdoc-js", @@ -269,9 +270,6 @@ pub struct Config { /// between e.g. beta `cargo` vs in-tree `cargo`. /// /// FIXME: maybe rename this to reflect that this is a *staged* host cargo. - /// - /// FIXME(#134109): split `run-make` into two test suites, a test suite *with* staged cargo, and - /// another test suite *without*. pub cargo_path: Option<Utf8PathBuf>, /// Path to the stage 0 `rustc` used to build `run-make` recipes. This must not be confused with diff --git a/src/tools/compiletest/src/directives.rs b/src/tools/compiletest/src/directives.rs index f2ad049d526..857953072c4 100644 --- a/src/tools/compiletest/src/directives.rs +++ b/src/tools/compiletest/src/directives.rs @@ -1012,7 +1012,7 @@ impl Config { if let Some(raw) = self.parse_name_value_directive(line, "revisions", testfile, line_number) { if self.mode == TestMode::RunMake { - panic!("`run-make` tests do not support revisions: {}", testfile); + panic!("`run-make` mode tests do not support revisions: {}", testfile); } let mut duplicates: HashSet<_> = existing.iter().cloned().collect(); diff --git a/src/tools/compiletest/src/runtest/run_make.rs b/src/tools/compiletest/src/runtest/run_make.rs index 8a0e45cf8ca..738f504d5c1 100644 --- a/src/tools/compiletest/src/runtest/run_make.rs +++ b/src/tools/compiletest/src/runtest/run_make.rs @@ -5,11 +5,12 @@ use build_helper::fs::{ignore_not_found, recursive_remove}; use camino::{Utf8Path, Utf8PathBuf}; use super::{ProcRes, TestCx, disable_error_reporting}; +use crate::common::TestSuite; use crate::util::{copy_dir_all, dylib_env_var}; impl TestCx<'_> { pub(super) fn run_rmake_test(&self) { - // For `run-make` V2, we need to perform 2 steps to build and run a `run-make` V2 recipe + // For `run-make`, we need to perform 2 steps to build and run a `run-make` recipe // (`rmake.rs`) to run the actual tests. The support library is already built as a tool rust // library and is available under // `build/$HOST/bootstrap-tools/$TARGET/release/librun_make_support.rlib`. @@ -189,8 +190,12 @@ impl TestCx<'_> { // through a specific CI runner). .env("LLVM_COMPONENTS", &self.config.llvm_components); - if let Some(ref cargo) = self.config.cargo_path { - cmd.env("CARGO", cargo); + // Only `run-make-cargo` test suite gets an in-tree `cargo`, not `run-make`. + if self.config.suite == TestSuite::RunMakeCargo { + cmd.env( + "CARGO", + self.config.cargo_path.as_ref().expect("cargo must be built and made available"), + ); } if let Some(ref rustdoc) = self.config.rustdoc_path { diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index a51d86c3d6f..5b3139b2509 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -b3cfb8faf84c5f3b7909479a9f9b6a3290d5f4d7 +a09fbe2c8372643a27a8082236120f95ed4e6bba diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index f6f9af47d0a..8d323ec169d 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -6,11 +6,8 @@ mod simd; pub use self::atomic::AtomicRmwOp; #[rustfmt::skip] // prevent `use` reordering -use std::ops::Neg; - use rand::Rng; use rustc_abi::Size; -use rustc_apfloat::ieee::{IeeeFloat, Semantics}; use rustc_apfloat::{self, Float, Round}; use rustc_middle::mir; use rustc_middle::ty::{self, FloatTy}; @@ -19,7 +16,6 @@ use rustc_span::{Symbol, sym}; use self::atomic::EvalContextExt as _; use self::helpers::{ToHost, ToSoft}; use self::simd::EvalContextExt as _; -use crate::math::{IeeeExt, apply_random_float_error_ulp}; use crate::*; /// Check that the number of args is what we expect. @@ -212,7 +208,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let [f] = check_intrinsic_arg_count(args)?; let f = this.read_scalar(f)?.to_f32()?; - let res = fixed_float_value(this, intrinsic_name, &[f]).unwrap_or_else(|| { + let res = math::fixed_float_value(this, intrinsic_name, &[f]).unwrap_or_else(|| { // Using host floats (but it's fine, these operations do not have // guaranteed precision). let host = f.to_host(); @@ -230,7 +226,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - let res = apply_random_float_error_ulp( + let res = math::apply_random_float_error_ulp( this, res, 4, @@ -238,7 +234,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Clamp the result to the guaranteed range of this function according to the C standard, // if any. - clamp_float_value(intrinsic_name, res) + math::clamp_float_value(intrinsic_name, res) }); let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; @@ -256,7 +252,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let [f] = check_intrinsic_arg_count(args)?; let f = this.read_scalar(f)?.to_f64()?; - let res = fixed_float_value(this, intrinsic_name, &[f]).unwrap_or_else(|| { + let res = math::fixed_float_value(this, intrinsic_name, &[f]).unwrap_or_else(|| { // Using host floats (but it's fine, these operations do not have // guaranteed precision). let host = f.to_host(); @@ -274,7 +270,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - let res = apply_random_float_error_ulp( + let res = math::apply_random_float_error_ulp( this, res, 4, @@ -282,7 +278,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Clamp the result to the guaranteed range of this function according to the C standard, // if any. - clamp_float_value(intrinsic_name, res) + math::clamp_float_value(intrinsic_name, res) }); let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; @@ -333,14 +329,15 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let f1 = this.read_scalar(f1)?.to_f32()?; let f2 = this.read_scalar(f2)?.to_f32()?; - let res = fixed_float_value(this, intrinsic_name, &[f1, f2]).unwrap_or_else(|| { - // Using host floats (but it's fine, this operation does not have guaranteed precision). - let res = f1.to_host().powf(f2.to_host()).to_soft(); + let res = + math::fixed_float_value(this, intrinsic_name, &[f1, f2]).unwrap_or_else(|| { + // Using host floats (but it's fine, this operation does not have guaranteed precision). + let res = f1.to_host().powf(f2.to_host()).to_soft(); - // Apply a relative error of 4ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - apply_random_float_error_ulp(this, res, 4) - }); + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + math::apply_random_float_error_ulp(this, res, 4) + }); let res = this.adjust_nan(res, &[f1, f2]); this.write_scalar(res, dest)?; } @@ -349,14 +346,15 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let f1 = this.read_scalar(f1)?.to_f64()?; let f2 = this.read_scalar(f2)?.to_f64()?; - let res = fixed_float_value(this, intrinsic_name, &[f1, f2]).unwrap_or_else(|| { - // Using host floats (but it's fine, this operation does not have guaranteed precision). - let res = f1.to_host().powf(f2.to_host()).to_soft(); + let res = + math::fixed_float_value(this, intrinsic_name, &[f1, f2]).unwrap_or_else(|| { + // Using host floats (but it's fine, this operation does not have guaranteed precision). + let res = f1.to_host().powf(f2.to_host()).to_soft(); - // Apply a relative error of 4ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - apply_random_float_error_ulp(this, res, 4) - }); + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + math::apply_random_float_error_ulp(this, res, 4) + }); let res = this.adjust_nan(res, &[f1, f2]); this.write_scalar(res, dest)?; } @@ -366,13 +364,13 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let f = this.read_scalar(f)?.to_f32()?; let i = this.read_scalar(i)?.to_i32()?; - let res = fixed_powi_float_value(this, f, i).unwrap_or_else(|| { + let res = math::fixed_powi_value(this, f, i).unwrap_or_else(|| { // Using host floats (but it's fine, this operation does not have guaranteed precision). let res = f.to_host().powi(i).to_soft(); // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - apply_random_float_error_ulp(this, res, 4) + math::apply_random_float_error_ulp(this, res, 4) }); let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; @@ -382,13 +380,13 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let f = this.read_scalar(f)?.to_f64()?; let i = this.read_scalar(i)?.to_i32()?; - let res = fixed_powi_float_value(this, f, i).unwrap_or_else(|| { + let res = math::fixed_powi_value(this, f, i).unwrap_or_else(|| { // Using host floats (but it's fine, this operation does not have guaranteed precision). let res = f.to_host().powi(i).to_soft(); // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - apply_random_float_error_ulp(this, res, 4) + math::apply_random_float_error_ulp(this, res, 4) }); let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; @@ -443,7 +441,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } // Apply a relative error of 4ULP to simulate non-deterministic precision loss // due to optimizations. - let res = crate::math::apply_random_float_error_to_imm(this, res, 4)?; + let res = math::apply_random_float_error_to_imm(this, res, 4)?; this.write_immediate(*res, dest)?; } @@ -480,108 +478,3 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { interp_ok(EmulateItemResult::NeedsReturn) } } - -/// For the intrinsics: -/// - sinf32, sinf64 -/// - cosf32, cosf64 -/// - expf32, expf64, exp2f32, exp2f64 -/// - logf32, logf64, log2f32, log2f64, log10f32, log10f64 -/// - powf32, powf64 -/// -/// # Return -/// -/// Returns `Some(output)` if the `intrinsic` results in a defined fixed `output` specified in the C standard -/// (specifically, C23 annex F.10) when given `args` as arguments. Outputs that are unaffected by a relative error -/// (such as INF and zero) are not handled here, they are assumed to be handled by the underlying -/// implementation. Returns `None` if no specific value is guaranteed. -/// -/// # Note -/// -/// For `powf*` operations of the form: -/// -/// - `(SNaN)^(±0)` -/// - `1^(SNaN)` -/// -/// The result is implementation-defined: -/// - musl returns for both `1.0` -/// - glibc returns for both `NaN` -/// -/// This discrepancy exists because SNaN handling is not consistently defined across platforms, -/// and the C standard leaves behavior for SNaNs unspecified. -/// -/// Miri chooses to adhere to both implementations and returns either one of them non-deterministically. -fn fixed_float_value<S: Semantics>( - ecx: &mut MiriInterpCx<'_>, - intrinsic_name: &str, - args: &[IeeeFloat<S>], -) -> Option<IeeeFloat<S>> { - let one = IeeeFloat::<S>::one(); - Some(match (intrinsic_name, args) { - // cos(+- 0) = 1 - ("cosf32" | "cosf64", [input]) if input.is_zero() => one, - - // e^0 = 1 - ("expf32" | "expf64" | "exp2f32" | "exp2f64", [input]) if input.is_zero() => one, - - // (-1)^(±INF) = 1 - ("powf32" | "powf64", [base, exp]) if *base == -one && exp.is_infinite() => one, - - // 1^y = 1 for any y, even a NaN - ("powf32" | "powf64", [base, exp]) if *base == one => { - let rng = ecx.machine.rng.get_mut(); - // SNaN exponents get special treatment: they might return 1, or a NaN. - let return_nan = exp.is_signaling() && ecx.machine.float_nondet && rng.random(); - // Handle both the musl and glibc cases non-deterministically. - if return_nan { ecx.generate_nan(args) } else { one } - } - - // x^(±0) = 1 for any x, even a NaN - ("powf32" | "powf64", [base, exp]) if exp.is_zero() => { - let rng = ecx.machine.rng.get_mut(); - // SNaN bases get special treatment: they might return 1, or a NaN. - let return_nan = base.is_signaling() && ecx.machine.float_nondet && rng.random(); - // Handle both the musl and glibc cases non-deterministically. - if return_nan { ecx.generate_nan(args) } else { one } - } - - // There are a lot of cases for fixed outputs according to the C Standard, but these are - // mainly INF or zero which are not affected by the applied error. - _ => return None, - }) -} - -/// Returns `Some(output)` if `powi` (called `pown` in C) results in a fixed value specified in the -/// C standard (specifically, C23 annex F.10.4.6) when doing `base^exp`. Otherwise, returns `None`. -fn fixed_powi_float_value<S: Semantics>( - ecx: &mut MiriInterpCx<'_>, - base: IeeeFloat<S>, - exp: i32, -) -> Option<IeeeFloat<S>> { - Some(match exp { - 0 => { - let one = IeeeFloat::<S>::one(); - let rng = ecx.machine.rng.get_mut(); - let return_nan = ecx.machine.float_nondet && rng.random() && base.is_signaling(); - // For SNaN treatment, we are consistent with `powf`above. - // (We wouldn't have two, unlike powf all implementations seem to agree for powi, - // but for now we are maximally conservative.) - if return_nan { ecx.generate_nan(&[base]) } else { one } - } - - _ => return None, - }) -} - -/// Given an floating-point operation and a floating-point value, clamps the result to the output -/// range of the given operation. -fn clamp_float_value<S: Semantics>(intrinsic_name: &str, val: IeeeFloat<S>) -> IeeeFloat<S> { - match intrinsic_name { - // sin and cos: [-1, 1] - "sinf32" | "cosf32" | "sinf64" | "cosf64" => - val.clamp(IeeeFloat::<S>::one().neg(), IeeeFloat::<S>::one()), - // exp: [0, +INF] - "expf32" | "exp2f32" | "expf64" | "exp2f64" => - IeeeFloat::<S>::maximum(val, IeeeFloat::<S>::ZERO), - _ => val, - } -} diff --git a/src/tools/miri/src/math.rs b/src/tools/miri/src/math.rs index 6427f3ca6e9..254495637da 100644 --- a/src/tools/miri/src/math.rs +++ b/src/tools/miri/src/math.rs @@ -1,6 +1,9 @@ +use std::ops::Neg; +use std::{f32, f64}; + use rand::Rng as _; use rustc_apfloat::Float as _; -use rustc_apfloat::ieee::IeeeFloat; +use rustc_apfloat::ieee::{DoubleS, IeeeFloat, Semantics, SingleS}; use rustc_middle::ty::{self, FloatTy, ScalarInt}; use crate::*; @@ -105,6 +108,210 @@ pub(crate) fn apply_random_float_error_to_imm<'tcx>( interp_ok(ImmTy::from_scalar_int(res, val.layout)) } +/// Given a floating-point operation and a floating-point value, clamps the result to the output +/// range of the given operation according to the C standard, if any. +pub(crate) fn clamp_float_value<S: Semantics>( + intrinsic_name: &str, + val: IeeeFloat<S>, +) -> IeeeFloat<S> +where + IeeeFloat<S>: IeeeExt, +{ + let zero = IeeeFloat::<S>::ZERO; + let one = IeeeFloat::<S>::one(); + let two = IeeeFloat::<S>::two(); + let pi = IeeeFloat::<S>::pi(); + let pi_over_2 = (pi / two).value; + + match intrinsic_name { + // sin, cos, tanh: [-1, 1] + #[rustfmt::skip] + | "sinf32" + | "sinf64" + | "cosf32" + | "cosf64" + | "tanhf" + | "tanh" + => val.clamp(one.neg(), one), + + // exp: [0, +INF) + "expf32" | "exp2f32" | "expf64" | "exp2f64" => val.maximum(zero), + + // cosh: [1, +INF) + "coshf" | "cosh" => val.maximum(one), + + // acos: [0, π] + "acosf" | "acos" => val.clamp(zero, pi), + + // asin: [-π, +π] + "asinf" | "asin" => val.clamp(pi.neg(), pi), + + // atan: (-π/2, +π/2) + "atanf" | "atan" => val.clamp(pi_over_2.neg(), pi_over_2), + + // erfc: (-1, 1) + "erff" | "erf" => val.clamp(one.neg(), one), + + // erfc: (0, 2) + "erfcf" | "erfc" => val.clamp(zero, two), + + // atan2(y, x): arctan(y/x) in [−π, +π] + "atan2f" | "atan2" => val.clamp(pi.neg(), pi), + + _ => val, + } +} + +/// For the intrinsics: +/// - sinf32, sinf64, sinhf, sinh +/// - cosf32, cosf64, coshf, cosh +/// - tanhf, tanh, atanf, atan, atan2f, atan2 +/// - expf32, expf64, exp2f32, exp2f64 +/// - logf32, logf64, log2f32, log2f64, log10f32, log10f64 +/// - powf32, powf64 +/// - erff, erf, erfcf, erfc +/// - hypotf, hypot +/// +/// # Return +/// +/// Returns `Some(output)` if the `intrinsic` results in a defined fixed `output` specified in the C standard +/// (specifically, C23 annex F.10) when given `args` as arguments. Outputs that are unaffected by a relative error +/// (such as INF and zero) are not handled here, they are assumed to be handled by the underlying +/// implementation. Returns `None` if no specific value is guaranteed. +/// +/// # Note +/// +/// For `powf*` operations of the form: +/// +/// - `(SNaN)^(±0)` +/// - `1^(SNaN)` +/// +/// The result is implementation-defined: +/// - musl returns for both `1.0` +/// - glibc returns for both `NaN` +/// +/// This discrepancy exists because SNaN handling is not consistently defined across platforms, +/// and the C standard leaves behavior for SNaNs unspecified. +/// +/// Miri chooses to adhere to both implementations and returns either one of them non-deterministically. +pub(crate) fn fixed_float_value<S: Semantics>( + ecx: &mut MiriInterpCx<'_>, + intrinsic_name: &str, + args: &[IeeeFloat<S>], +) -> Option<IeeeFloat<S>> +where + IeeeFloat<S>: IeeeExt, +{ + let this = ecx.eval_context_mut(); + let one = IeeeFloat::<S>::one(); + let two = IeeeFloat::<S>::two(); + let three = IeeeFloat::<S>::three(); + let pi = IeeeFloat::<S>::pi(); + let pi_over_2 = (pi / two).value; + let pi_over_4 = (pi_over_2 / two).value; + + Some(match (intrinsic_name, args) { + // cos(±0) and cosh(±0)= 1 + ("cosf32" | "cosf64" | "coshf" | "cosh", [input]) if input.is_zero() => one, + + // e^0 = 1 + ("expf32" | "expf64" | "exp2f32" | "exp2f64", [input]) if input.is_zero() => one, + + // tanh(±INF) = ±1 + ("tanhf" | "tanh", [input]) if input.is_infinite() => one.copy_sign(*input), + + // atan(±INF) = ±π/2 + ("atanf" | "atan", [input]) if input.is_infinite() => pi_over_2.copy_sign(*input), + + // erf(±INF) = ±1 + ("erff" | "erf", [input]) if input.is_infinite() => one.copy_sign(*input), + + // erfc(-INF) = 2 + ("erfcf" | "erfc", [input]) if input.is_neg_infinity() => (one + one).value, + + // hypot(x, ±0) = abs(x), if x is not a NaN. + ("_hypotf" | "hypotf" | "_hypot" | "hypot", [x, y]) if !x.is_nan() && y.is_zero() => + x.abs(), + + // atan2(±0,−0) = ±π. + // atan2(±0, y) = ±π for y < 0. + // Must check for non NaN because `y.is_negative()` also applies to NaN. + ("atan2f" | "atan2", [x, y]) if (x.is_zero() && (y.is_negative() && !y.is_nan())) => + pi.copy_sign(*x), + + // atan2(±x,−∞) = ±π for finite x > 0. + ("atan2f" | "atan2", [x, y]) + if (!x.is_zero() && !x.is_infinite()) && y.is_neg_infinity() => + pi.copy_sign(*x), + + // atan2(x, ±0) = −π/2 for x < 0. + // atan2(x, ±0) = π/2 for x > 0. + ("atan2f" | "atan2", [x, y]) if !x.is_zero() && y.is_zero() => pi_over_2.copy_sign(*x), + + //atan2(±∞, −∞) = ±3π/4 + ("atan2f" | "atan2", [x, y]) if x.is_infinite() && y.is_neg_infinity() => + (pi_over_4 * three).value.copy_sign(*x), + + //atan2(±∞, +∞) = ±π/4 + ("atan2f" | "atan2", [x, y]) if x.is_infinite() && y.is_pos_infinity() => + pi_over_4.copy_sign(*x), + + // atan2(±∞, y) returns ±π/2 for finite y. + ("atan2f" | "atan2", [x, y]) if x.is_infinite() && (!y.is_infinite() && !y.is_nan()) => + pi_over_2.copy_sign(*x), + + // (-1)^(±INF) = 1 + ("powf32" | "powf64", [base, exp]) if *base == -one && exp.is_infinite() => one, + + // 1^y = 1 for any y, even a NaN + ("powf32" | "powf64", [base, exp]) if *base == one => { + let rng = this.machine.rng.get_mut(); + // SNaN exponents get special treatment: they might return 1, or a NaN. + let return_nan = exp.is_signaling() && this.machine.float_nondet && rng.random(); + // Handle both the musl and glibc cases non-deterministically. + if return_nan { this.generate_nan(args) } else { one } + } + + // x^(±0) = 1 for any x, even a NaN + ("powf32" | "powf64", [base, exp]) if exp.is_zero() => { + let rng = this.machine.rng.get_mut(); + // SNaN bases get special treatment: they might return 1, or a NaN. + let return_nan = base.is_signaling() && this.machine.float_nondet && rng.random(); + // Handle both the musl and glibc cases non-deterministically. + if return_nan { this.generate_nan(args) } else { one } + } + + // There are a lot of cases for fixed outputs according to the C Standard, but these are + // mainly INF or zero which are not affected by the applied error. + _ => return None, + }) +} + +/// Returns `Some(output)` if `powi` (called `pown` in C) results in a fixed value specified in the +/// C standard (specifically, C23 annex F.10.4.6) when doing `base^exp`. Otherwise, returns `None`. +pub(crate) fn fixed_powi_value<S: Semantics>( + ecx: &mut MiriInterpCx<'_>, + base: IeeeFloat<S>, + exp: i32, +) -> Option<IeeeFloat<S>> +where + IeeeFloat<S>: IeeeExt, +{ + match exp { + 0 => { + let one = IeeeFloat::<S>::one(); + let rng = ecx.machine.rng.get_mut(); + let return_nan = ecx.machine.float_nondet && rng.random() && base.is_signaling(); + // For SNaN treatment, we are consistent with `powf`above. + // (We wouldn't have two, unlike powf all implementations seem to agree for powi, + // but for now we are maximally conservative.) + Some(if return_nan { ecx.generate_nan(&[base]) } else { one }) + } + + _ => None, + } +} + pub(crate) fn sqrt<S: rustc_apfloat::ieee::Semantics>(x: IeeeFloat<S>) -> IeeeFloat<S> { match x.category() { // preserve zero sign @@ -187,19 +394,47 @@ pub(crate) fn sqrt<S: rustc_apfloat::ieee::Semantics>(x: IeeeFloat<S>) -> IeeeFl } } -/// Extend functionality of rustc_apfloat softfloats +/// Extend functionality of `rustc_apfloat` softfloats for IEEE float types. pub trait IeeeExt: rustc_apfloat::Float { + // Some values we use: + #[inline] fn one() -> Self { Self::from_u128(1).value } #[inline] + fn two() -> Self { + Self::from_u128(2).value + } + + #[inline] + fn three() -> Self { + Self::from_u128(3).value + } + + fn pi() -> Self; + + #[inline] fn clamp(self, min: Self, max: Self) -> Self { self.maximum(min).minimum(max) } } -impl<S: rustc_apfloat::ieee::Semantics> IeeeExt for IeeeFloat<S> {} + +macro_rules! impl_ieee_pi { + ($float_ty:ident, $semantic:ty) => { + impl IeeeExt for IeeeFloat<$semantic> { + #[inline] + fn pi() -> Self { + // We take the value from the standard library as the most reasonable source for an exact π here. + Self::from_bits($float_ty::consts::PI.to_bits().into()) + } + } + }; +} + +impl_ieee_pi!(f32, SingleS); +impl_ieee_pi!(f64, DoubleS); #[cfg(test)] mod tests { diff --git a/src/tools/miri/src/shims/foreign_items.rs b/src/tools/miri/src/shims/foreign_items.rs index 8fbdc40f712..10e28178177 100644 --- a/src/tools/miri/src/shims/foreign_items.rs +++ b/src/tools/miri/src/shims/foreign_items.rs @@ -18,6 +18,7 @@ use rustc_target::callconv::FnAbi; use self::helpers::{ToHost, ToSoft}; use super::alloc::EvalContextExt as _; use super::backtrace::EvalContextExt as _; +use crate::helpers::EvalContextExt as _; use crate::*; /// Type of dynamic symbols (for `dlsym` et al) @@ -835,33 +836,36 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { => { let [f] = this.check_shim_sig_lenient(abi, CanonAbi::C , link_name, args)?; let f = this.read_scalar(f)?.to_f32()?; - // Using host floats (but it's fine, these operations do not have guaranteed precision). - let f_host = f.to_host(); - let res = match link_name.as_str() { - "cbrtf" => f_host.cbrt(), - "coshf" => f_host.cosh(), - "sinhf" => f_host.sinh(), - "tanf" => f_host.tan(), - "tanhf" => f_host.tanh(), - "acosf" => f_host.acos(), - "asinf" => f_host.asin(), - "atanf" => f_host.atan(), - "log1pf" => f_host.ln_1p(), - "expm1f" => f_host.exp_m1(), - "tgammaf" => f_host.gamma(), - "erff" => f_host.erf(), - "erfcf" => f_host.erfc(), - _ => bug!(), - }; - let res = res.to_soft(); - // Apply a relative error of 16ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp( - // this, - // res, - // 4, // log2(16) - // ); + + let res = math::fixed_float_value(this, link_name.as_str(), &[f]).unwrap_or_else(|| { + // Using host floats (but it's fine, these operations do not have + // guaranteed precision). + let f_host = f.to_host(); + let res = match link_name.as_str() { + "cbrtf" => f_host.cbrt(), + "coshf" => f_host.cosh(), + "sinhf" => f_host.sinh(), + "tanf" => f_host.tan(), + "tanhf" => f_host.tanh(), + "acosf" => f_host.acos(), + "asinf" => f_host.asin(), + "atanf" => f_host.atan(), + "log1pf" => f_host.ln_1p(), + "expm1f" => f_host.exp_m1(), + "tgammaf" => f_host.gamma(), + "erff" => f_host.erf(), + "erfcf" => f_host.erfc(), + _ => bug!(), + }; + let res = res.to_soft(); + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + let res = math::apply_random_float_error_ulp(this, res, 4); + + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + math::clamp_float_value(link_name.as_str(), res) + }); let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; } @@ -874,24 +878,27 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { let [f1, f2] = this.check_shim_sig_lenient(abi, CanonAbi::C , link_name, args)?; let f1 = this.read_scalar(f1)?.to_f32()?; let f2 = this.read_scalar(f2)?.to_f32()?; - // underscore case for windows, here and below - // (see https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/floating-point-primitives?view=vs-2019) - // Using host floats (but it's fine, these operations do not have guaranteed precision). - let res = match link_name.as_str() { - "_hypotf" | "hypotf" => f1.to_host().hypot(f2.to_host()).to_soft(), - "atan2f" => f1.to_host().atan2(f2.to_host()).to_soft(), - #[allow(deprecated)] - "fdimf" => f1.to_host().abs_sub(f2.to_host()).to_soft(), - _ => bug!(), - }; - // Apply a relative error of 16ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp( - // this, - // res, - // 4, // log2(16) - // ); + + let res = math::fixed_float_value(this, link_name.as_str(), &[f1, f2]) + .unwrap_or_else(|| { + let res = match link_name.as_str() { + // underscore case for windows, here and below + // (see https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/floating-point-primitives?view=vs-2019) + // Using host floats (but it's fine, these operations do not have guaranteed precision). + "_hypotf" | "hypotf" => f1.to_host().hypot(f2.to_host()).to_soft(), + "atan2f" => f1.to_host().atan2(f2.to_host()).to_soft(), + #[allow(deprecated)] + "fdimf" => f1.to_host().abs_sub(f2.to_host()).to_soft(), + _ => bug!(), + }; + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + let res = math::apply_random_float_error_ulp(this, res, 4); + + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + math::clamp_float_value(link_name.as_str(), res) + }); let res = this.adjust_nan(res, &[f1, f2]); this.write_scalar(res, dest)?; } @@ -912,33 +919,36 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { => { let [f] = this.check_shim_sig_lenient(abi, CanonAbi::C , link_name, args)?; let f = this.read_scalar(f)?.to_f64()?; - // Using host floats (but it's fine, these operations do not have guaranteed precision). - let f_host = f.to_host(); - let res = match link_name.as_str() { - "cbrt" => f_host.cbrt(), - "cosh" => f_host.cosh(), - "sinh" => f_host.sinh(), - "tan" => f_host.tan(), - "tanh" => f_host.tanh(), - "acos" => f_host.acos(), - "asin" => f_host.asin(), - "atan" => f_host.atan(), - "log1p" => f_host.ln_1p(), - "expm1" => f_host.exp_m1(), - "tgamma" => f_host.gamma(), - "erf" => f_host.erf(), - "erfc" => f_host.erfc(), - _ => bug!(), - }; - let res = res.to_soft(); - // Apply a relative error of 16ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp( - // this, - // res.to_soft(), - // 4, // log2(16) - // ); + + let res = math::fixed_float_value(this, link_name.as_str(), &[f]).unwrap_or_else(|| { + // Using host floats (but it's fine, these operations do not have + // guaranteed precision). + let f_host = f.to_host(); + let res = match link_name.as_str() { + "cbrt" => f_host.cbrt(), + "cosh" => f_host.cosh(), + "sinh" => f_host.sinh(), + "tan" => f_host.tan(), + "tanh" => f_host.tanh(), + "acos" => f_host.acos(), + "asin" => f_host.asin(), + "atan" => f_host.atan(), + "log1p" => f_host.ln_1p(), + "expm1" => f_host.exp_m1(), + "tgamma" => f_host.gamma(), + "erf" => f_host.erf(), + "erfc" => f_host.erfc(), + _ => bug!(), + }; + let res = res.to_soft(); + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + let res = math::apply_random_float_error_ulp(this, res, 4); + + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + math::clamp_float_value(link_name.as_str(), res) + }); let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; } @@ -951,24 +961,26 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { let [f1, f2] = this.check_shim_sig_lenient(abi, CanonAbi::C , link_name, args)?; let f1 = this.read_scalar(f1)?.to_f64()?; let f2 = this.read_scalar(f2)?.to_f64()?; - // underscore case for windows, here and below - // (see https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/floating-point-primitives?view=vs-2019) - // Using host floats (but it's fine, these operations do not have guaranteed precision). - let res = match link_name.as_str() { - "_hypot" | "hypot" => f1.to_host().hypot(f2.to_host()).to_soft(), - "atan2" => f1.to_host().atan2(f2.to_host()).to_soft(), - #[allow(deprecated)] - "fdim" => f1.to_host().abs_sub(f2.to_host()).to_soft(), - _ => bug!(), - }; - // Apply a relative error of 16ULP to introduce some non-determinism - // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp( - // this, - // res, - // 4, // log2(16) - // ); + + let res = math::fixed_float_value(this, link_name.as_str(), &[f1, f2]).unwrap_or_else(|| { + let res = match link_name.as_str() { + // underscore case for windows, here and below + // (see https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/floating-point-primitives?view=vs-2019) + // Using host floats (but it's fine, these operations do not have guaranteed precision). + "_hypot" | "hypot" => f1.to_host().hypot(f2.to_host()).to_soft(), + "atan2" => f1.to_host().atan2(f2.to_host()).to_soft(), + #[allow(deprecated)] + "fdim" => f1.to_host().abs_sub(f2.to_host()).to_soft(), + _ => bug!(), + }; + // Apply a relative error of 4ULP to introduce some non-determinism + // simulating imprecise implementations and optimizations. + let res = math::apply_random_float_error_ulp(this, res, 4); + + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + math::clamp_float_value(link_name.as_str(), res) + }); let res = this.adjust_nan(res, &[f1, f2]); this.write_scalar(res, dest)?; } @@ -994,11 +1006,14 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { // Using host floats (but it's fine, these operations do not have guaranteed precision). let (res, sign) = x.to_host().ln_gamma(); this.write_int(sign, &signp)?; + let res = res.to_soft(); - // Apply a relative error of 16ULP to introduce some non-determinism + // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp(this, res, 4 /* log2(16) */); + let res = math::apply_random_float_error_ulp(this, res, 4); + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + let res = math::clamp_float_value(link_name.as_str(), res); let res = this.adjust_nan(res, &[x]); this.write_scalar(res, dest)?; } @@ -1010,11 +1025,14 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { // Using host floats (but it's fine, these operations do not have guaranteed precision). let (res, sign) = x.to_host().ln_gamma(); this.write_int(sign, &signp)?; + let res = res.to_soft(); - // Apply a relative error of 16ULP to introduce some non-determinism + // Apply a relative error of 4ULP to introduce some non-determinism // simulating imprecise implementations and optimizations. - // FIXME: temporarily disabled as it breaks std tests. - // let res = math::apply_random_float_error_ulp(this, res, 4 /* log2(16) */); + let res = math::apply_random_float_error_ulp(this, res, 4); + // Clamp the result to the guaranteed range of this function according to the C standard, + // if any. + let res = math::clamp_float_value(link_name.as_str(), res); let res = this.adjust_nan(res, &[x]); this.write_scalar(res, dest)?; } diff --git a/src/tools/miri/tests/pass/float.rs b/src/tools/miri/tests/pass/float.rs index 1b1163c7797..9f1b3f612b2 100644 --- a/src/tools/miri/tests/pass/float.rs +++ b/src/tools/miri/tests/pass/float.rs @@ -1093,6 +1093,8 @@ pub fn libm() { assert_approx_eq!(1f32.exp_m1(), f32::consts::E - 1.0); assert_approx_eq!(1f64.exp_m1(), f64::consts::E - 1.0); + assert_approx_eq!(f32::NEG_INFINITY.exp_m1(), -1.0); + assert_approx_eq!(f64::NEG_INFINITY.exp_m1(), -1.0); assert_approx_eq!(10f32.exp2(), 1024f32); assert_approx_eq!(50f64.exp2(), 1125899906842624f64); @@ -1128,6 +1130,7 @@ pub fn libm() { assert_eq!(ldexp(0.65f64, 3i32), 5.2f64); assert_eq!(ldexp(1.42, 0xFFFF), f64::INFINITY); assert_eq!(ldexp(1.42, -0xFFFF), 0f64); + assert_eq!(ldexp(42.0, 0), 42.0); // Trigonometric functions. @@ -1136,8 +1139,13 @@ pub fn libm() { assert_approx_eq!((f64::consts::PI / 2f64).sin(), 1f64); assert_approx_eq!(f32::consts::FRAC_PI_6.sin(), 0.5); assert_approx_eq!(f64::consts::FRAC_PI_6.sin(), 0.5); - assert_approx_eq!(f32::consts::FRAC_PI_4.sin().asin(), f32::consts::FRAC_PI_4); - assert_approx_eq!(f64::consts::FRAC_PI_4.sin().asin(), f64::consts::FRAC_PI_4); + // Increase error tolerance to 16ULP because of the extra operation. + assert_approx_eq!(f32::consts::FRAC_PI_4.sin().asin(), f32::consts::FRAC_PI_4, 16); + assert_approx_eq!(f64::consts::FRAC_PI_4.sin().asin(), f64::consts::FRAC_PI_4, 16); + assert_biteq(0.0f32.asin(), 0.0f32, "asin(+0) = +0"); + assert_biteq((-0.0f32).asin(), -0.0, "asin(-0) = -0"); + assert_biteq(0.0f64.asin(), 0.0, "asin(+0) = +0"); + assert_biteq((-0.0f64).asin(), -0.0, "asin(-0) = -0"); assert_approx_eq!(1.0f32.sinh(), 1.1752012f32); assert_approx_eq!(1.0f64.sinh(), 1.1752011936438014f64); @@ -1164,11 +1172,18 @@ pub fn libm() { assert_approx_eq!((f64::consts::PI * 2f64).cos(), 1f64); assert_approx_eq!(f32::consts::FRAC_PI_3.cos(), 0.5); assert_approx_eq!(f64::consts::FRAC_PI_3.cos(), 0.5); - assert_approx_eq!(f32::consts::FRAC_PI_4.cos().acos(), f32::consts::FRAC_PI_4); - assert_approx_eq!(f64::consts::FRAC_PI_4.cos().acos(), f64::consts::FRAC_PI_4); + // Increase error tolerance to 16ULP because of the extra operation. + assert_approx_eq!(f32::consts::FRAC_PI_4.cos().acos(), f32::consts::FRAC_PI_4, 16); + assert_approx_eq!(f64::consts::FRAC_PI_4.cos().acos(), f64::consts::FRAC_PI_4, 16); + assert_biteq(1.0f32.acos(), 0.0, "acos(1) = 0"); + assert_biteq(1.0f64.acos(), 0.0, "acos(1) = 0"); - assert_approx_eq!(1.0f32.cosh(), 1.54308f32); + assert_approx_eq!(1.0f32.cosh(), 1.5430806f32); assert_approx_eq!(1.0f64.cosh(), 1.5430806348152437f64); + assert_eq!(0.0f32.cosh(), 1.0); + assert_eq!(0.0f64.cosh(), 1.0); + assert_eq!((-0.0f32).cosh(), 1.0); + assert_eq!((-0.0f64).cosh(), 1.0); assert_approx_eq!(2.0f32.acosh(), 1.31695789692481670862504634730796844f32); assert_approx_eq!(3.0f64.acosh(), 1.76274717403908605046521864995958461f64); @@ -1178,6 +1193,47 @@ pub fn libm() { assert_approx_eq!(1.0_f64, 1.0_f64.tan().atan()); assert_approx_eq!(1.0f32.atan2(2.0f32), 0.46364761f32); assert_approx_eq!(1.0f32.atan2(2.0f32), 0.46364761f32); + // C standard defines a bunch of fixed outputs for atan2 + macro_rules! fixed_atan2_cases{ + ($float_type:ident) => {{ + use std::$float_type::consts::{PI, FRAC_PI_2, FRAC_PI_4}; + use $float_type::{INFINITY, NEG_INFINITY}; + + // atan2(±0,−0) = ±π. + assert_eq!($float_type::atan2(0.0, -0.0), PI, "atan2(0,−0) = π"); + assert_eq!($float_type::atan2(-0.0, -0.0), -PI, "atan2(-0,−0) = -π"); + + // atan2(±0, y) = ±π for y < 0. + assert_eq!($float_type::atan2(0.0, -1.0), PI, "atan2(0, y) = π for y < 0."); + assert_eq!($float_type::atan2(-0.0, -1.0), -PI, "atan2(-0, y) = -π for y < 0."); + + // atan2(x, ±0) = −π/2 for x < 0. + assert_eq!($float_type::atan2(-1.0, 0.0), -FRAC_PI_2, "atan2(x, 0) = −π/2 for x < 0"); + assert_eq!($float_type::atan2(-1.0, -0.0), -FRAC_PI_2, "atan2(x, -0) = −π/2 for x < 0"); + + // atan2(x, ±0) = π/2 for x > 0. + assert_eq!($float_type::atan2(1.0, 0.0), FRAC_PI_2, "atan2(x, 0) = π/2 for x > 0."); + assert_eq!($float_type::atan2(1.0, -0.0), FRAC_PI_2, "atan2(x, -0) = π/2 for x > 0."); + + // atan2(±x,−∞) = ±π for finite x > 0. + assert_eq!($float_type::atan2(1.0, NEG_INFINITY), PI, "atan2(x, −∞) = π for finite x > 0"); + assert_eq!($float_type::atan2(-1.0, NEG_INFINITY), -PI, "atan2(-x, −∞) = -π for finite x > 0"); + + // atan2(±∞, y) returns ±π/2 for finite y. + assert_eq!($float_type::atan2(INFINITY, 1.0), FRAC_PI_2, "atan2(+∞, y) returns π/2 for finite y"); + assert_eq!($float_type::atan2(NEG_INFINITY, 1.0), -FRAC_PI_2, "atan2(-∞, y) returns -π/2 for finite y"); + + // atan2(±∞, −∞) = ±3π/4 + assert_eq!($float_type::atan2(INFINITY, NEG_INFINITY), 3.0 * FRAC_PI_4, "atan2(+∞, −∞) = 3π/4"); + assert_eq!($float_type::atan2(NEG_INFINITY, NEG_INFINITY), -3.0 * FRAC_PI_4, "atan2(-∞, −∞) = -3π/4"); + + // atan2(±∞, +∞) = ±π/4 + assert_eq!($float_type::atan2(INFINITY, INFINITY), FRAC_PI_4, "atan2(+∞, +∞) = π/4"); + assert_eq!($float_type::atan2(NEG_INFINITY, INFINITY), -FRAC_PI_4, "atan2(-∞, +∞) = -π/4"); + }} + } + fixed_atan2_cases!(f32); + fixed_atan2_cases!(f64); assert_approx_eq!( 1.0f32.tanh(), @@ -1187,6 +1243,11 @@ pub fn libm() { 1.0f64.tanh(), (1.0 - f64::consts::E.powi(-2)) / (1.0 + f64::consts::E.powi(-2)) ); + assert_eq!(f32::INFINITY.tanh(), 1.0); + assert_eq!(f32::NEG_INFINITY.tanh(), -1.0); + assert_eq!(f64::INFINITY.tanh(), 1.0); + assert_eq!(f64::NEG_INFINITY.tanh(), -1.0); + assert_approx_eq!(0.5f32.atanh(), 0.54930614433405484569762261846126285f32); assert_approx_eq!(0.5f64.atanh(), 0.54930614433405484569762261846126285f64); @@ -1207,8 +1268,14 @@ pub fn libm() { assert_approx_eq!(1.0f32.erf(), 0.84270079294971486934122063508260926f32); assert_approx_eq!(1.0f64.erf(), 0.84270079294971486934122063508260926f64); + assert_eq!(f32::INFINITY.erf(), 1.0); + assert_eq!(f64::INFINITY.erf(), 1.0); assert_approx_eq!(1.0f32.erfc(), 0.15729920705028513065877936491739074f32); assert_approx_eq!(1.0f64.erfc(), 0.15729920705028513065877936491739074f64); + assert_eq!(f32::NEG_INFINITY.erfc(), 2.0); + assert_eq!(f64::NEG_INFINITY.erfc(), 2.0); + assert_eq!(f32::INFINITY.erfc(), 0.0); + assert_eq!(f64::INFINITY.erfc(), 0.0); } fn test_fast() { @@ -1418,7 +1485,6 @@ fn test_non_determinism() { } pub fn test_operations_f32(a: f32, b: f32) { test_operations_f!(a, b); - // FIXME: some are temporarily disabled as it breaks std tests. ensure_nondet(|| a.powf(b)); ensure_nondet(|| a.powi(2)); ensure_nondet(|| a.log(b)); @@ -1427,35 +1493,34 @@ fn test_non_determinism() { ensure_nondet(|| f32::consts::E.ln()); ensure_nondet(|| 10f32.log10()); ensure_nondet(|| 8f32.log2()); - // ensure_nondet(|| 1f32.ln_1p()); - // ensure_nondet(|| 27.0f32.cbrt()); - // ensure_nondet(|| 3.0f32.hypot(4.0f32)); + ensure_nondet(|| 1f32.ln_1p()); + ensure_nondet(|| 27.0f32.cbrt()); + ensure_nondet(|| 3.0f32.hypot(4.0f32)); ensure_nondet(|| 1f32.sin()); ensure_nondet(|| 1f32.cos()); // On i686-pc-windows-msvc , these functions are implemented by calling the `f64` version, // which means the little rounding errors Miri introduces are discarded by the cast down to // `f32`. Just skip the test for them. - // if !cfg!(all(target_os = "windows", target_env = "msvc", target_arch = "x86")) { - // ensure_nondet(|| 1.0f32.tan()); - // ensure_nondet(|| 1.0f32.asin()); - // ensure_nondet(|| 5.0f32.acos()); - // ensure_nondet(|| 1.0f32.atan()); - // ensure_nondet(|| 1.0f32.atan2(2.0f32)); - // ensure_nondet(|| 1.0f32.sinh()); - // ensure_nondet(|| 1.0f32.cosh()); - // ensure_nondet(|| 1.0f32.tanh()); - // } - // ensure_nondet(|| 1.0f32.asinh()); - // ensure_nondet(|| 2.0f32.acosh()); - // ensure_nondet(|| 0.5f32.atanh()); - // ensure_nondet(|| 5.0f32.gamma()); - // ensure_nondet(|| 5.0f32.ln_gamma()); - // ensure_nondet(|| 5.0f32.erf()); - // ensure_nondet(|| 5.0f32.erfc()); + if !cfg!(all(target_os = "windows", target_env = "msvc", target_arch = "x86")) { + ensure_nondet(|| 1.0f32.tan()); + ensure_nondet(|| 1.0f32.asin()); + ensure_nondet(|| 5.0f32.acos()); + ensure_nondet(|| 1.0f32.atan()); + ensure_nondet(|| 1.0f32.atan2(2.0f32)); + ensure_nondet(|| 1.0f32.sinh()); + ensure_nondet(|| 1.0f32.cosh()); + ensure_nondet(|| 1.0f32.tanh()); + } + ensure_nondet(|| 1.0f32.asinh()); + ensure_nondet(|| 2.0f32.acosh()); + ensure_nondet(|| 0.5f32.atanh()); + ensure_nondet(|| 5.0f32.gamma()); + ensure_nondet(|| 5.0f32.ln_gamma()); + ensure_nondet(|| 5.0f32.erf()); + ensure_nondet(|| 5.0f32.erfc()); } pub fn test_operations_f64(a: f64, b: f64) { test_operations_f!(a, b); - // FIXME: some are temporarily disabled as it breaks std tests. ensure_nondet(|| a.powf(b)); ensure_nondet(|| a.powi(2)); ensure_nondet(|| a.log(b)); @@ -1464,26 +1529,26 @@ fn test_non_determinism() { ensure_nondet(|| 3f64.ln()); ensure_nondet(|| f64::consts::E.log10()); ensure_nondet(|| f64::consts::E.log2()); - // ensure_nondet(|| 1f64.ln_1p()); - // ensure_nondet(|| 27.0f64.cbrt()); - // ensure_nondet(|| 3.0f64.hypot(4.0f64)); + ensure_nondet(|| 1f64.ln_1p()); + ensure_nondet(|| 27.0f64.cbrt()); + ensure_nondet(|| 3.0f64.hypot(4.0f64)); ensure_nondet(|| 1f64.sin()); ensure_nondet(|| 1f64.cos()); - // ensure_nondet(|| 1.0f64.tan()); - // ensure_nondet(|| 1.0f64.asin()); - // ensure_nondet(|| 5.0f64.acos()); - // ensure_nondet(|| 1.0f64.atan()); - // ensure_nondet(|| 1.0f64.atan2(2.0f64)); - // ensure_nondet(|| 1.0f64.sinh()); - // ensure_nondet(|| 1.0f64.cosh()); - // ensure_nondet(|| 1.0f64.tanh()); - // ensure_nondet(|| 1.0f64.asinh()); - // ensure_nondet(|| 3.0f64.acosh()); - // ensure_nondet(|| 0.5f64.atanh()); - // ensure_nondet(|| 5.0f64.gamma()); - // ensure_nondet(|| 5.0f64.ln_gamma()); - // ensure_nondet(|| 5.0f64.erf()); - // ensure_nondet(|| 5.0f64.erfc()); + ensure_nondet(|| 1.0f64.tan()); + ensure_nondet(|| 1.0f64.asin()); + ensure_nondet(|| 5.0f64.acos()); + ensure_nondet(|| 1.0f64.atan()); + ensure_nondet(|| 1.0f64.atan2(2.0f64)); + ensure_nondet(|| 1.0f64.sinh()); + ensure_nondet(|| 1.0f64.cosh()); + ensure_nondet(|| 1.0f64.tanh()); + ensure_nondet(|| 1.0f64.asinh()); + ensure_nondet(|| 3.0f64.acosh()); + ensure_nondet(|| 0.5f64.atanh()); + ensure_nondet(|| 5.0f64.gamma()); + ensure_nondet(|| 5.0f64.ln_gamma()); + ensure_nondet(|| 5.0f64.erf()); + ensure_nondet(|| 5.0f64.erfc()); } pub fn test_operations_f128(a: f128, b: f128) { test_operations_f!(a, b); diff --git a/src/tools/run-make-support/src/external_deps/cargo.rs b/src/tools/run-make-support/src/external_deps/cargo.rs index 8da9f002c41..3f2d0ce14e3 100644 --- a/src/tools/run-make-support/src/external_deps/cargo.rs +++ b/src/tools/run-make-support/src/external_deps/cargo.rs @@ -1,11 +1,17 @@ use crate::command::Command; -use crate::env_var; use crate::util::set_host_compiler_dylib_path; -/// Returns a command that can be used to invoke cargo. The cargo is provided by compiletest -/// through the `CARGO` env var. +/// Returns a command that can be used to invoke in-tree cargo. The cargo is provided by compiletest +/// through the `CARGO` env var, and is **only** available for the `run-make-cargo` test suite. pub fn cargo() -> Command { - let mut cmd = Command::new(env_var("CARGO")); + let cargo_path = std::env::var("CARGO").unwrap_or_else(|e| { + panic!( + "in-tree `cargo` should be available for `run-make-cargo` test suite, but not \ + `run-make` test suite: {e}" + ) + }); + + let mut cmd = Command::new(cargo_path); set_host_compiler_dylib_path(&mut cmd); cmd } diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 191e205f257..fef75401d94 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -1,7 +1,8 @@ //! `run-make-support` is a support library for run-make tests. It provides command wrappers and //! convenience utility functions to help test writers reduce duplication. The support library -//! notably is built via cargo: this means that if your test wants some non-trivial utility, such -//! as `object` or `wasmparser`, they can be re-exported and be made available through this library. +//! notably is built via bootstrap cargo: this means that if your test wants some non-trivial +//! utility, such as `object` or `wasmparser`, they can be re-exported and be made available through +//! this library. #![warn(unreachable_pub)] diff --git a/src/tools/rustdoc-gui-test/src/main.rs b/src/tools/rustdoc-gui-test/src/main.rs index 42feae8c208..5062c2597f1 100644 --- a/src/tools/rustdoc-gui-test/src/main.rs +++ b/src/tools/rustdoc-gui-test/src/main.rs @@ -71,22 +71,28 @@ fn main() -> Result<(), ()> { let mut command = Command::new(&config.nodejs); command - .arg(config.rust_src.join("src/tools/rustdoc-gui/tester.js")) + .arg(local_node_modules.join(".bin/browser-ui-test")) .arg("--jobs") .arg(&config.jobs) - .arg("--doc-folder") + .arg("--variable") + .arg("DOC_PATH") .arg(config.out_dir.join("doc")) - .arg("--tests-folder") - .arg(config.rust_src.join("tests/rustdoc-gui")); + .arg("--allow-file-access-from-files") + .arg("--display-format") + .arg("compact"); if local_node_modules.exists() { - // Link the local node_modules if exists. + // Link the local node_modules if it exists. // This is useful when we run rustdoc-gui-test from outside of the source root. command.env("NODE_PATH", local_node_modules); } - for file in &config.goml_files { - command.arg("--file").arg(file); + if config.goml_files.is_empty() { + command.arg("--test-folder").arg(config.rust_src.join("tests/rustdoc-gui")); + } else { + for file in &config.goml_files { + command.arg("--test-file").arg(config.rust_src.join("tests/rustdoc-gui").join(file)); + } } command.args(&config.test_args); diff --git a/src/tools/rustdoc-gui/.eslintrc.js b/src/tools/rustdoc-gui/.eslintrc.js deleted file mode 100644 index 3eccbc74cb9..00000000000 --- a/src/tools/rustdoc-gui/.eslintrc.js +++ /dev/null @@ -1,96 +0,0 @@ -module.exports = { - "env": { - "browser": true, - "node": true, - "es6": true - }, - "extends": "eslint:recommended", - "parserOptions": { - "ecmaVersion": 2019, - "sourceType": "module" - }, - "rules": { - "linebreak-style": [ - "error", - "unix" - ], - "semi": [ - "error", - "always" - ], - "quotes": [ - "error", - "double" - ], - "linebreak-style": [ - "error", - "unix" - ], - "no-trailing-spaces": "error", - "no-var": ["error"], - "prefer-const": ["error"], - "prefer-arrow-callback": ["error"], - "brace-style": [ - "error", - "1tbs", - { "allowSingleLine": false } - ], - "keyword-spacing": [ - "error", - { "before": true, "after": true } - ], - "arrow-spacing": [ - "error", - { "before": true, "after": true } - ], - "key-spacing": [ - "error", - { "beforeColon": false, "afterColon": true, "mode": "strict" } - ], - "func-call-spacing": ["error", "never"], - "space-infix-ops": "error", - "space-before-function-paren": ["error", "never"], - "space-before-blocks": "error", - "comma-dangle": ["error", "always-multiline"], - "comma-style": ["error", "last"], - "max-len": ["error", { "code": 100, "tabWidth": 4 }], - "eol-last": ["error", "always"], - "arrow-parens": ["error", "as-needed"], - "no-unused-vars": [ - "error", - { - "argsIgnorePattern": "^_", - "varsIgnorePattern": "^_" - } - ], - "eqeqeq": "error", - "no-const-assign": "error", - "no-debugger": "error", - "no-dupe-args": "error", - "no-dupe-else-if": "error", - "no-dupe-keys": "error", - "no-duplicate-case": "error", - "no-ex-assign": "error", - "no-fallthrough": "error", - "no-invalid-regexp": "error", - "no-import-assign": "error", - "no-self-compare": "error", - "no-template-curly-in-string": "error", - "block-scoped-var": "error", - "guard-for-in": "error", - "no-alert": "error", - "no-confusing-arrow": "error", - "no-div-regex": "error", - "no-floating-decimal": "error", - "no-implicit-globals": "error", - "no-implied-eval": "error", - "no-label-var": "error", - "no-lonely-if": "error", - "no-mixed-operators": "error", - "no-multi-assign": "error", - "no-return-assign": "error", - "no-script-url": "error", - "no-sequences": "error", - "no-div-regex": "error", - } -}; diff --git a/src/tools/rustdoc-gui/tester.js b/src/tools/rustdoc-gui/tester.js deleted file mode 100644 index 9dc32f335a8..00000000000 --- a/src/tools/rustdoc-gui/tester.js +++ /dev/null @@ -1,309 +0,0 @@ -// This package needs to be install: -// -// ``` -// npm install browser-ui-test -// ``` - -const fs = require("fs"); -const path = require("path"); -const os = require("os"); -const {Options, runTest} = require("browser-ui-test"); - -// If a test fails or errors, we will retry it two more times in case it was a flaky failure. -const NB_RETRY = 3; - -function showHelp() { - console.log("rustdoc-js options:"); - console.log(" --doc-folder [PATH] : location of the generated doc folder"); - console.log(" --file [PATH] : file to run (can be repeated)"); - console.log(" --debug : show extra information about script run"); - console.log(" --show-text : render font in pages"); - console.log(" --no-headless : disable headless mode"); - console.log(" --help : show this message then quit"); - console.log(" --tests-folder [PATH] : location of the .GOML tests folder"); - console.log(" --jobs [NUMBER] : number of threads to run tests on"); - console.log(" --executable-path [PATH] : path of the browser's executable to be used"); -} - -function isNumeric(s) { - return /^\d+$/.test(s); -} - -function parseOptions(args) { - const opts = { - "doc_folder": "", - "tests_folder": "", - "files": [], - "debug": false, - "show_text": false, - "no_headless": false, - "jobs": -1, - "executable_path": null, - }; - const correspondences = { - "--doc-folder": "doc_folder", - "--tests-folder": "tests_folder", - "--debug": "debug", - "--show-text": "show_text", - "--no-headless": "no_headless", - "--executable-path": "executable_path", - }; - - for (let i = 0; i < args.length; ++i) { - const arg = args[i]; - if (arg === "--doc-folder" - || arg === "--tests-folder" - || arg === "--file" - || arg === "--jobs" - || arg === "--executable-path") { - i += 1; - if (i >= args.length) { - console.log("Missing argument after `" + arg + "` option."); - return null; - } - const arg_value = args[i]; - if (arg === "--jobs") { - if (!isNumeric(arg_value)) { - console.log( - "`--jobs` option expects a positive number, found `" + arg_value + "`"); - return null; - } - opts["jobs"] = parseInt(arg_value); - } else if (arg !== "--file") { - opts[correspondences[arg]] = arg_value; - } else { - opts["files"].push(arg_value); - } - } else if (arg === "--help") { - showHelp(); - process.exit(0); - } else if (correspondences[arg]) { - opts[correspondences[arg]] = true; - } else { - console.log("Unknown option `" + arg + "`."); - console.log("Use `--help` to see the list of options"); - return null; - } - } - if (opts["tests_folder"].length < 1) { - console.log("Missing `--tests-folder` option."); - } else if (opts["doc_folder"].length < 1) { - console.log("Missing `--doc-folder` option."); - } else { - return opts; - } - return null; -} - -/// Print single char status information without \n -function char_printer(n_tests) { - const max_per_line = 10; - let current = 0; - return { - successful: function() { - current += 1; - if (current % max_per_line === 0) { - process.stdout.write(`. (${current}/${n_tests})${os.EOL}`); - } else { - process.stdout.write("."); - } - }, - erroneous: function() { - current += 1; - if (current % max_per_line === 0) { - process.stderr.write(`F (${current}/${n_tests})${os.EOL}`); - } else { - process.stderr.write("F"); - } - }, - finish: function() { - if (current % max_per_line === 0) { - // Don't output if we are already at a matching line end - console.log(""); - } else { - const spaces = " ".repeat(max_per_line - (current % max_per_line)); - process.stdout.write(`${spaces} (${current}/${n_tests})${os.EOL}${os.EOL}`); - } - }, - }; -} - -// Sort array by .file_name property -function by_filename(a, b) { - return a.file_name - b.file_name; -} - -async function runTests(opts, framework_options, files, results, status_bar, showTestFailures) { - const tests_queue = []; - - for (const testPath of files) { - const callback = runTest(testPath, {"options": framework_options}) - .then(out => { - const [output, nb_failures] = out; - results[nb_failures === 0 ? "successful" : "failed"].push({ - file_name: testPath, - output: output, - }); - if (nb_failures === 0) { - status_bar.successful(); - } else if (showTestFailures) { - status_bar.erroneous(); - } - }) - .catch(err => { - results.errored.push({ - file_name: testPath, - output: err, - }); - if (showTestFailures) { - status_bar.erroneous(); - } - }) - .finally(() => { - // We now remove the promise from the tests_queue. - tests_queue.splice(tests_queue.indexOf(callback), 1); - }); - tests_queue.push(callback); - if (opts["jobs"] > 0 && tests_queue.length >= opts["jobs"]) { - await Promise.race(tests_queue); - } - } - if (tests_queue.length > 0) { - await Promise.all(tests_queue); - } -} - -function createEmptyResults() { - return { - successful: [], - failed: [], - errored: [], - }; -} - -async function main(argv) { - const opts = parseOptions(argv.slice(2)); - if (opts === null) { - process.exit(1); - } - - // Print successful tests too - let debug = false; - // Run tests in sequentially - let headless = true; - const framework_options = new Options(); - try { - // This is more convenient that setting fields one by one. - const args = [ - "--variable", "DOC_PATH", opts["doc_folder"].split("\\").join("/"), - "--allow-file-access-from-files", - ]; - if (opts["debug"]) { - debug = true; - args.push("--debug"); - } - if (opts["show_text"]) { - args.push("--show-text"); - } - if (opts["no_headless"]) { - args.push("--no-headless"); - headless = false; - } - if (opts["executable_path"] !== null) { - args.push("--executable-path"); - args.push(opts["executable_path"]); - } - framework_options.parseArguments(args); - } catch (error) { - console.error(`invalid argument: ${error}`); - process.exit(1); - } - - let files; - if (opts["files"].length === 0) { - files = fs.readdirSync(opts["tests_folder"]); - } else { - files = opts["files"]; - } - files = files.filter(file => path.extname(file) === ".goml"); - if (files.length === 0) { - console.error("rustdoc-gui: No test selected"); - process.exit(2); - } - files.forEach((file_name, index) => { - files[index] = path.join(opts["tests_folder"], file_name); - }); - files.sort(); - - if (!headless) { - opts["jobs"] = 1; - console.log("`--no-headless` option is active, disabling concurrency for running tests."); - } - - if (opts["jobs"] < 1) { - const len = files.length; - console.log( - `Running ${len} rustdoc-gui (UNBOUNDED concurrency; use "-j#" for a limit) ...`, - ); - process.setMaxListeners(files.length + 1); - } else if (headless) { - console.log(`Running ${files.length} rustdoc-gui (${opts["jobs"]} concurrently) ...`); - process.setMaxListeners(opts["jobs"] + 1); - } else { - console.log(`Running ${files.length} rustdoc-gui ...`); - } - - const originalFilesLen = files.length; - const results = createEmptyResults(); - const status_bar = char_printer(files.length); - - let new_results; - for (let it = 0; it < NB_RETRY && files.length > 0; ++it) { - new_results = createEmptyResults(); - await runTests(opts, framework_options, files, new_results, status_bar, it + 1 >= NB_RETRY); - Array.prototype.push.apply(results.successful, new_results.successful); - // We generate the new list of files with the previously failing tests. - files = Array.prototype.concat(new_results.failed, new_results.errored).map( - f => f["file_name"]); - if (files.length > originalFilesLen / 2) { - // If we have too many failing tests, it's very likely not flaky failures anymore so - // no need to retry. - break; - } - } - - status_bar.finish(); - - Array.prototype.push.apply(results.failed, new_results.failed); - Array.prototype.push.apply(results.errored, new_results.errored); - - if (debug) { - results.successful.sort(by_filename); - results.successful.forEach(r => { - console.log(r.output); - }); - } - - if (results.failed.length > 0) { - console.log(""); - results.failed.sort(by_filename); - results.failed.forEach(r => { - console.log(r.file_name, r.output); - }); - } - if (results.errored.length > 0) { - console.log(os.EOL); - // print run errors on the bottom so developers see them better - results.errored.sort(by_filename); - results.errored.forEach(r => { - console.error(r.file_name, r.output); - }); - } - - if (results.failed.length > 0 || results.errored.length > 0) { - process.exit(1); - } - process.exit(0); -} - -main(process.argv); diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index 560f11ecf50..fee48bea144 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -80,7 +80,7 @@ pub(crate) const WORKSPACES: &[(&str, ExceptionList, Option<(&[&str], &[&str])>, ("src/tools/rustbook", EXCEPTIONS_RUSTBOOK, None, &["src/doc/book", "src/doc/reference"]), ("src/tools/rustc-perf", EXCEPTIONS_RUSTC_PERF, None, &["src/tools/rustc-perf"]), ("src/tools/test-float-parse", EXCEPTIONS, None, &[]), - ("tests/run-make/uefi-qemu/uefi_qemu_test", EXCEPTIONS_UEFI_QEMU_TEST, None, &[]), + ("tests/run-make-cargo/uefi-qemu/uefi_qemu_test", EXCEPTIONS_UEFI_QEMU_TEST, None, &[]), // tidy-alphabetical-end ]; diff --git a/src/tools/tidy/src/extra_checks/mod.rs b/src/tools/tidy/src/extra_checks/mod.rs index 34d9ea92629..321ef65117e 100644 --- a/src/tools/tidy/src/extra_checks/mod.rs +++ b/src/tools/tidy/src/extra_checks/mod.rs @@ -303,7 +303,7 @@ fn check_impl( } if js_lint { - rustdoc_js::lint(outdir, librustdoc_path, tools_path)?; + rustdoc_js::lint(outdir, librustdoc_path, tools_path, bless)?; rustdoc_js::es_check(outdir, librustdoc_path)?; } diff --git a/src/tools/tidy/src/extra_checks/rustdoc_js.rs b/src/tools/tidy/src/extra_checks/rustdoc_js.rs index 7708b128e23..a6c66b8be80 100644 --- a/src/tools/tidy/src/extra_checks/rustdoc_js.rs +++ b/src/tools/tidy/src/extra_checks/rustdoc_js.rs @@ -40,13 +40,18 @@ fn rustdoc_js_files(librustdoc_path: &Path) -> Vec<PathBuf> { return files; } -fn run_eslint(outdir: &Path, args: &[PathBuf], config_folder: PathBuf) -> Result<(), super::Error> { - let mut child = spawn_cmd( - Command::new(node_module_bin(outdir, "eslint")) - .arg("-c") - .arg(config_folder.join(".eslintrc.js")) - .args(args), - )?; +fn run_eslint( + outdir: &Path, + args: &[PathBuf], + config_folder: PathBuf, + bless: bool, +) -> Result<(), super::Error> { + let mut cmd = Command::new(node_module_bin(outdir, "eslint")); + if bless { + cmd.arg("--fix"); + } + cmd.arg("-c").arg(config_folder.join(".eslintrc.js")).args(args); + let mut child = spawn_cmd(&mut cmd)?; match child.wait() { Ok(exit_status) => { if exit_status.success() { @@ -62,16 +67,17 @@ pub(super) fn lint( outdir: &Path, librustdoc_path: &Path, tools_path: &Path, + bless: bool, ) -> Result<(), super::Error> { let files_to_check = rustdoc_js_files(librustdoc_path); println!("Running eslint on rustdoc JS files"); - run_eslint(outdir, &files_to_check, librustdoc_path.join("html/static"))?; + run_eslint(outdir, &files_to_check, librustdoc_path.join("html/static"), bless)?; - run_eslint(outdir, &[tools_path.join("rustdoc-js/tester.js")], tools_path.join("rustdoc-js"))?; run_eslint( outdir, - &[tools_path.join("rustdoc-gui/tester.js")], - tools_path.join("rustdoc-gui"), + &[tools_path.join("rustdoc-js/tester.js")], + tools_path.join("rustdoc-js"), + bless, )?; Ok(()) } diff --git a/src/tools/unicode-table-generator/src/main.rs b/src/tools/unicode-table-generator/src/main.rs index 9399021df76..aa7d97f7f3d 100644 --- a/src/tools/unicode-table-generator/src/main.rs +++ b/src/tools/unicode-table-generator/src/main.rs @@ -228,7 +228,7 @@ fn main() { let mut table_file = String::new(); table_file.push_str( - "///! This file is generated by `./x run src/tools/unicode-table-generator`; do not edit manually!\n", + "//! This file is generated by `./x run src/tools/unicode-table-generator`; do not edit manually!\n", ); let mut total_bytes = 0; |