Add i686-win7-windows-msvc target

2 files changed, 33 insertions, 0 deletions

diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs
index 295e81e5d13..53251ed6a91 100644
--- a/compiler/rustc_target/src/spec/mod.rs
+++ b/compiler/rustc_target/src/spec/mod.rs
@@ -1607,6 +1607,7 @@ supported_targets! {
     ("x86_64-win7-windows-msvc", x86_64_win7_windows_msvc),
     ("i686-pc-windows-msvc", i686_pc_windows_msvc),
     ("i686-uwp-windows-msvc", i686_uwp_windows_msvc),
+    ("i686-win7-windows-msvc", i686_win7_windows_msvc),
     ("i586-pc-windows-msvc", i586_pc_windows_msvc),
     ("thumbv7a-pc-windows-msvc", thumbv7a_pc_windows_msvc),
     ("thumbv7a-uwp-windows-msvc", thumbv7a_uwp_windows_msvc),
diff --git a/compiler/rustc_target/src/spec/targets/i686_win7_windows_msvc.rs b/compiler/rustc_target/src/spec/targets/i686_win7_windows_msvc.rs
new file mode 100644
index 00000000000..ba80c23196e
--- /dev/null
+++ b/compiler/rustc_target/src/spec/targets/i686_win7_windows_msvc.rs
@@ -0,0 +1,32 @@
+use crate::spec::{base, LinkerFlavor, Lld, Target};
+
+pub fn target() -> Target {
+    let mut base = base::windows_msvc::opts();
+    base.cpu = "pentium4".into();
+    base.max_atomic_width = Some(64);
+
+    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",
+        ],
+    );
+    // Workaround for #95429
+    base.has_thread_local = false;
+
+    Target {
+        llvm_target: "i686-pc-windows-msvc".into(),
+        pointer_width: 32,
+        data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            i64:64-f80:128-n8:16:32-a:0:32-S32"
+            .into(),
+        arch: "x86".into(),
+        options: base,
+    }
+}