1 files changed, 29 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_musleabihf.rs b/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_musleabihf.rs
new file mode 100644
index 000000000..2c375ab22
--- /dev/null
+++ b/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_musleabihf.rs
@@ -0,0 +1,29 @@
+use crate::spec::{Target, TargetOptions};
+
+// This target is for musl Linux on ARMv7 with thumb mode enabled
+// (for consistency with Android and Debian-based distributions)
+// and with NEON unconditionally enabled and, therefore, with 32 FPU
+// registers enabled as well. See section A2.6.2 on page A2-56 in
+// https://static.docs.arm.com/ddi0406/cd/DDI0406C_d_armv7ar_arm.pdf
+
+pub fn target() -> Target {
+    Target {
+        // It's important we use "gnueabihf" and not "musleabihf" here. LLVM
+        // uses it to determine the calling convention and float ABI, and LLVM
+        // doesn't support the "musleabihf" value.
+        llvm_target: "armv7-unknown-linux-gnueabihf".into(),
+        pointer_width: 32,
+        data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".into(),
+        arch: "arm".into(),
+
+        // Most of these settings are copied from the thumbv7neon_unknown_linux_gnueabihf
+        // target.
+        options: TargetOptions {
+            abi: "eabihf".into(),
+            features: "+v7,+thumb-mode,+thumb2,+vfp3,+neon".into(),
+            max_atomic_width: Some(64),
+            mcount: "\u{1}mcount".into(),
+            ..super::linux_musl_base::opts()
+        },
+    }
+}