Merge pull request rust-lang#1914 from folkertdev/architecture-test

`intrinsic-test`: make `build_{c, rust}_file` generic

Author: folkertdev

library/stdarch/Cargo.lock

@@ -1,14 +1,17 @@
-pub fn build_notices(line_prefix: &str) -> String {
-    format!(
-        "\
-{line_prefix}This is a transient test file, not intended for distribution. Some aspects of the
-{line_prefix}test are derived from a JSON specification, published under the same license as the
-{line_prefix}`intrinsic-test` crate.\n
-"
-    )
-}
+pub const NOTICE: &str = "\
+// This is a transient test file, not intended for distribution. Some aspects of the
+// test are derived from a JSON specification, published under the same license as the
+// `intrinsic-test` crate.\n";
+
+pub const POLY128_OSTREAM_DECL: &str = r#"
+#ifdef __aarch64__
+std::ostream& operator<<(std::ostream& os, poly128_t value);
+#endif
+"#;
 
-pub const POLY128_OSTREAM_DEF: &str = r#"std::ostream& operator<<(std::ostream& os, poly128_t value) {
+pub const POLY128_OSTREAM_DEF: &str = r#"
+#ifdef __aarch64__
+std::ostream& operator<<(std::ostream& os, poly128_t value) {
     std::stringstream temp;
     do {
       int n = value % 10;
@@ -19,7 +22,9 @@ pub const POLY128_OSTREAM_DEF: &str = r#"std::ostream& operator<<(std::ostream&
     std::string res(tempstr.rbegin(), tempstr.rend());
     os << res;
     return os;
-}"#;
+}
+#endif
+"#;
 
 // Format f16 values (and vectors containing them) in a way that is consistent with C.
 pub const F16_FORMATTING_DEF: &str = r#"
@@ -118,4 +123,10 @@ pub const AARCH_CONFIGURATIONS: &str = r#"
 #![cfg_attr(any(target_arch = "aarch64", target_arch = "arm64ec"), feature(stdarch_neon_ftts))]
 #![feature(fmt_helpers_for_derive)]
 #![feature(stdarch_neon_f16)]
+
+#[cfg(any(target_arch = "aarch64", target_arch = "arm64ec"))]
+use core::arch::aarch64::*;
+
+#[cfg(target_arch = "arm")]
+use core::arch::arm::*;
 "#;

library/stdarch/crates/intrinsic-test/src/arm/config.rs

@@ -1,7 +1,4 @@
-use crate::common::argument::ArgumentList;
-use crate::common::indentation::Indentation;
-use crate::common::intrinsic::{Intrinsic, IntrinsicDefinition};
-use crate::common::intrinsic_helpers::{IntrinsicType, IntrinsicTypeDefinition, Sign, TypeKind};
+use crate::common::intrinsic_helpers::IntrinsicType;
 use std::ops::{Deref, DerefMut};
 
 #[derive(Debug, Clone, PartialEq)]
@@ -23,83 +20,3 @@ impl DerefMut for ArmIntrinsicType {
         &mut self.data
     }
 }
-
-impl IntrinsicDefinition<ArmIntrinsicType> for Intrinsic<ArmIntrinsicType> {
-    fn arguments(&self) -> ArgumentList<ArmIntrinsicType> {
-        self.arguments.clone()
-    }
-
-    fn results(&self) -> ArmIntrinsicType {
-        self.results.clone()
-    }
-
-    fn name(&self) -> String {
-        self.name.clone()
-    }
-
-    /// Generates a std::cout for the intrinsics results that will match the
-    /// rust debug output format for the return type. The generated line assumes
-    /// there is an int i in scope which is the current pass number.
-    fn print_result_c(&self, indentation: Indentation, additional: &str) -> String {
-        let lanes = if self.results().num_vectors() > 1 {
-            (0..self.results().num_vectors())
-                .map(|vector| {
-                    format!(
-                        r#""{ty}(" << {lanes} << ")""#,
-                        ty = self.results().c_single_vector_type(),
-                        lanes = (0..self.results().num_lanes())
-                            .map(move |idx| -> std::string::String {
-                                format!(
-                                    "{cast}{lane_fn}(__return_value.val[{vector}], {lane})",
-                                    cast = self.results().c_promotion(),
-                                    lane_fn = self.results().get_lane_function(),
-                                    lane = idx,
-                                    vector = vector,
-                                )
-                            })
-                            .collect::<Vec<_>>()
-                            .join(r#" << ", " << "#)
-                    )
-                })
-                .collect::<Vec<_>>()
-                .join(r#" << ", " << "#)
-        } else if self.results().num_lanes() > 1 {
-            (0..self.results().num_lanes())
-                .map(|idx| -> std::string::String {
-                    format!(
-                        "{cast}{lane_fn}(__return_value, {lane})",
-                        cast = self.results().c_promotion(),
-                        lane_fn = self.results().get_lane_function(),
-                        lane = idx
-                    )
-                })
-                .collect::<Vec<_>>()
-                .join(r#" << ", " << "#)
-        } else {
-            format!(
-                "{promote}cast<{cast}>(__return_value)",
-                cast = match self.results.kind() {
-                    TypeKind::Float if self.results().inner_size() == 16 => "float16_t".to_string(),
-                    TypeKind::Float if self.results().inner_size() == 32 => "float".to_string(),
-                    TypeKind::Float if self.results().inner_size() == 64 => "double".to_string(),
-                    TypeKind::Int(Sign::Signed) => format!("int{}_t", self.results().inner_size()),
-                    TypeKind::Int(Sign::Unsigned) =>
-                        format!("uint{}_t", self.results().inner_size()),
-                    TypeKind::Poly => format!("poly{}_t", self.results().inner_size()),
-                    ty => todo!("print_result_c - Unknown type: {:#?}", ty),
-                },
-                promote = self.results().c_promotion(),
-            )
-        };
-
-        format!(
-            r#"{indentation}std::cout << "Result {additional}-" << i+1 << ": {ty}" << std::fixed << std::setprecision(150) <<  {lanes} << "{close}" << std::endl;"#,
-            ty = if self.results().is_simd() {
-                format!("{}(", self.results().c_type())
-            } else {
-                String::from("")
-            },
-            close = if self.results.is_simd() { ")" } else { "" },
-        )
-    }
-}

library/stdarch/crates/intrinsic-test/src/arm/intrinsic.rs

@@ -5,20 +5,11 @@ mod intrinsic;
 mod json_parser;
 mod types;
 
-use std::fs::{self, File};
-
-use rayon::prelude::*;
-
+use crate::common::SupportedArchitectureTest;
 use crate::common::cli::ProcessedCli;
-use crate::common::compare::compare_outputs;
-use crate::common::gen_c::{write_main_cpp, write_mod_cpp};
-use crate::common::gen_rust::{
-    compile_rust_programs, write_bin_cargo_toml, write_lib_cargo_toml, write_lib_rs, write_main_rs,
-};
+use crate::common::compile_c::CppCompilation;
 use crate::common::intrinsic::Intrinsic;
 use crate::common::intrinsic_helpers::TypeKind;
-use crate::common::{SupportedArchitectureTest, chunk_info};
-use config::{AARCH_CONFIGURATIONS, F16_FORMATTING_DEF, POLY128_OSTREAM_DEF, build_notices};
 use intrinsic::ArmIntrinsicType;
 use json_parser::get_neon_intrinsics;
 
@@ -28,7 +19,30 @@ pub struct ArmArchitectureTest {
 }
 
 impl SupportedArchitectureTest for ArmArchitectureTest {
-    fn create(cli_options: ProcessedCli) -> Box<Self> {
+    type IntrinsicImpl = ArmIntrinsicType;
+
+    fn cli_options(&self) -> &ProcessedCli {
+        &self.cli_options
+    }
+
+    fn intrinsics(&self) -> &[Intrinsic<ArmIntrinsicType>] {
+        &self.intrinsics
+    }
+
+    const NOTICE: &str = config::NOTICE;
+
+    const PLATFORM_C_HEADERS: &[&str] = &["arm_neon.h", "arm_acle.h", "arm_fp16.h"];
+    const PLATFORM_C_DEFINITIONS: &str = config::POLY128_OSTREAM_DEF;
+    const PLATFORM_C_FORWARD_DECLARATIONS: &str = config::POLY128_OSTREAM_DECL;
+
+    const PLATFORM_RUST_DEFINITIONS: &str = config::F16_FORMATTING_DEF;
+    const PLATFORM_RUST_CFGS: &str = config::AARCH_CONFIGURATIONS;
+
+    fn cpp_compilation(&self) -> Option<CppCompilation> {
+        compile::build_cpp_compilation(&self.cli_options)
+    }
+
+    fn create(cli_options: ProcessedCli) -> Self {
         let a32 = cli_options.target.contains("v7");
         let mut intrinsics = get_neon_intrinsics(&cli_options.filename, &cli_options.target)
             .expect("Error parsing input file");
@@ -50,149 +64,9 @@ impl SupportedArchitectureTest for ArmArchitectureTest {
             .collect::<Vec<_>>();
         intrinsics.dedup();
 
-        Box::new(Self {
+        Self {
             intrinsics,
             cli_options,
-        })
-    }
-
-    fn build_c_file(&self) -> bool {
-        let c_target = "aarch64";
-        let platform_headers = &["arm_neon.h", "arm_acle.h", "arm_fp16.h"];
-
-        let (chunk_size, chunk_count) = chunk_info(self.intrinsics.len());
-
-        let cpp_compiler_wrapped = compile::build_cpp_compilation(&self.cli_options);
-
-        let notice = &build_notices("// ");
-        fs::create_dir_all("c_programs").unwrap();
-        self.intrinsics
-            .par_chunks(chunk_size)
-            .enumerate()
-            .map(|(i, chunk)| {
-                let c_filename = format!("c_programs/mod_{i}.cpp");
-                let mut file = File::create(&c_filename).unwrap();
-                write_mod_cpp(&mut file, notice, c_target, platform_headers, chunk).unwrap();
-
-                // compile this cpp file into a .o file.
-                //
-                // This is done because `cpp_compiler_wrapped` is None when
-                // the --generate-only flag is passed
-                if let Some(cpp_compiler) = cpp_compiler_wrapped.as_ref() {
-                    let output = cpp_compiler
-                        .compile_object_file(&format!("mod_{i}.cpp"), &format!("mod_{i}.o"))?;
-                    assert!(output.status.success(), "{output:?}");
-                }
-
-                Ok(())
-            })
-            .collect::<Result<(), std::io::Error>>()
-            .unwrap();
-
-        let mut file = File::create("c_programs/main.cpp").unwrap();
-        write_main_cpp(
-            &mut file,
-            c_target,
-            POLY128_OSTREAM_DEF,
-            self.intrinsics.iter().map(|i| i.name.as_str()),
-        )
-        .unwrap();
-
-        // This is done because `cpp_compiler_wrapped` is None when
-        // the --generate-only flag is passed
-        if let Some(cpp_compiler) = cpp_compiler_wrapped.as_ref() {
-            // compile this cpp file into a .o file
-            info!("compiling main.cpp");
-            let output = cpp_compiler
-                .compile_object_file("main.cpp", "intrinsic-test-programs.o")
-                .unwrap();
-            assert!(output.status.success(), "{output:?}");
-
-            let object_files = (0..chunk_count)
-                .map(|i| format!("mod_{i}.o"))
-                .chain(["intrinsic-test-programs.o".to_owned()]);
-
-            let output = cpp_compiler
-                .link_executable(object_files, "intrinsic-test-programs")
-                .unwrap();
-            assert!(output.status.success(), "{output:?}");
-        }
-
-        true
-    }
-
-    fn build_rust_file(&self) -> bool {
-        std::fs::create_dir_all("rust_programs/src").unwrap();
-
-        let architecture = if self.cli_options.target.contains("v7") {
-            "arm"
-        } else {
-            "aarch64"
-        };
-
-        let (chunk_size, chunk_count) = chunk_info(self.intrinsics.len());
-
-        let mut cargo = File::create("rust_programs/Cargo.toml").unwrap();
-        write_bin_cargo_toml(&mut cargo, chunk_count).unwrap();
-
-        let mut main_rs = File::create("rust_programs/src/main.rs").unwrap();
-        write_main_rs(
-            &mut main_rs,
-            chunk_count,
-            AARCH_CONFIGURATIONS,
-            "",
-            self.intrinsics.iter().map(|i| i.name.as_str()),
-        )
-        .unwrap();
-
-        let target = &self.cli_options.target;
-        let toolchain = self.cli_options.toolchain.as_deref();
-        let linker = self.cli_options.linker.as_deref();
-
-        let notice = &build_notices("// ");
-        self.intrinsics
-            .par_chunks(chunk_size)
-            .enumerate()
-            .map(|(i, chunk)| {
-                std::fs::create_dir_all(format!("rust_programs/mod_{i}/src"))?;
-
-                let rust_filename = format!("rust_programs/mod_{i}/src/lib.rs");
-                trace!("generating `{rust_filename}`");
-                let mut file = File::create(rust_filename)?;
-
-                let cfg = AARCH_CONFIGURATIONS;
-                let definitions = F16_FORMATTING_DEF;
-                write_lib_rs(&mut file, architecture, notice, cfg, definitions, chunk)?;
-
-                let toml_filename = format!("rust_programs/mod_{i}/Cargo.toml");
-                trace!("generating `{toml_filename}`");
-                let mut file = File::create(toml_filename).unwrap();
-
-                write_lib_cargo_toml(&mut file, &format!("mod_{i}"))?;
-
-                Ok(())
-            })
-            .collect::<Result<(), std::io::Error>>()
-            .unwrap();
-
-        compile_rust_programs(toolchain, target, linker)
-    }
-
-    fn compare_outputs(&self) -> bool {
-        if self.cli_options.toolchain.is_some() {
-            let intrinsics_name_list = self
-                .intrinsics
-                .iter()
-                .map(|i| i.name.clone())
-                .collect::<Vec<_>>();
-
-            compare_outputs(
-                &intrinsics_name_list,
-                &self.cli_options.runner,
-                &self.cli_options.target,
-            )
-        } else {
-            true
         }
     }
 }