rustc_target/spec/targets/
i686_pc_windows_msvc.rs

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use crate::spec::{LinkerFlavor, Lld, SanitizerSet, Target, base};

pub(crate) fn target() -> Target {
    let mut base = base::windows_msvc::opts();
    base.cpu = "pentium4".into();
    base.max_atomic_width = Some(64);
    base.supported_sanitizers = SanitizerSet::ADDRESS;

    base.add_pre_link_args(LinkerFlavor::Msvc(Lld::No), &[
        // Mark all dynamic libraries and executables as compatible with the larger 4GiB address
        // space available to x86 Windows binaries on x86_64.
        "/LARGEADDRESSAWARE",
        // Ensure the linker will only produce an image if it can also produce a table of
        // the image's safe exception handlers.
        // https://docs.microsoft.com/en-us/cpp/build/reference/safeseh-image-has-safe-exception-handlers
        "/SAFESEH",
    ]);

    Target {
        llvm_target: "i686-pc-windows-msvc".into(),
        metadata: crate::spec::TargetMetadata {
            description: Some("32-bit MSVC (Windows 10+)".into()),
            tier: Some(1),
            host_tools: Some(true),
            std: Some(true),
        },
        pointer_width: 32,
        data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
            i64:64-i128:128-f80:128-n8:16:32-a:0:32-S32"
            .into(),
        arch: "x86".into(),
        options: base,
    }
}