From 38d69c3f571b668c82cfb90e5bea8bc86530530c Mon Sep 17 00:00:00 2001
From: WANG Rui <wangrui@loongson.cn>
Date: Thu, 9 Jan 2025 20:35:49 +0800
Subject: Add new Tier-3 targets: `loongarch32-unknown-none*`

MCP: https://github.com/rust-lang/compiler-team/issues/865
---
 library/std/Cargo.toml                 | 2 ++
 library/std/src/env.rs                 | 1 +
 library/std/src/os/linux/raw.rs        | 1 +
 library/std/src/sys/alloc/mod.rs       | 1 +
 library/std/src/sys/personality/gcc.rs | 2 +-
 5 files changed, 6 insertions(+), 1 deletion(-)

(limited to 'library/std')

diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml
index 196b904d56a..0419336e13a 100644
--- a/library/std/Cargo.toml
+++ b/library/std/Cargo.toml
@@ -157,6 +157,8 @@ test = true
 [lints.rust.unexpected_cfgs]
 level = "warn"
 check-cfg = [
+    # #[cfg(bootstrap)] loongarch32
+    'cfg(target_arch, values("loongarch32"))',
     # std use #[path] imports to portable-simd `std_float` crate
     # and to the `backtrace` crate which messes-up with Cargo list
     # of declared features, we therefor expect any feature cfg
diff --git a/library/std/src/env.rs b/library/std/src/env.rs
index ce2dc795220..6d7d576b32a 100644
--- a/library/std/src/env.rs
+++ b/library/std/src/env.rs
@@ -1046,6 +1046,7 @@ pub mod consts {
     /// * `"sparc"`
     /// * `"sparc64"`
     /// * `"hexagon"`
+    /// * `"loongarch32"`
     /// * `"loongarch64"`
     ///
     /// </details>
diff --git a/library/std/src/os/linux/raw.rs b/library/std/src/os/linux/raw.rs
index d53674d3c5f..6483f086113 100644
--- a/library/std/src/os/linux/raw.rs
+++ b/library/std/src/os/linux/raw.rs
@@ -231,6 +231,7 @@ mod arch {
 }
 
 #[cfg(any(
+    target_arch = "loongarch32",
     target_arch = "loongarch64",
     target_arch = "mips64",
     target_arch = "mips64r6",
diff --git a/library/std/src/sys/alloc/mod.rs b/library/std/src/sys/alloc/mod.rs
index 8489e17c971..f3af1f7f599 100644
--- a/library/std/src/sys/alloc/mod.rs
+++ b/library/std/src/sys/alloc/mod.rs
@@ -17,6 +17,7 @@ const MIN_ALIGN: usize = if cfg!(any(
     target_arch = "arm",
     target_arch = "m68k",
     target_arch = "csky",
+    target_arch = "loongarch32",
     target_arch = "mips",
     target_arch = "mips32r6",
     target_arch = "powerpc",
diff --git a/library/std/src/sys/personality/gcc.rs b/library/std/src/sys/personality/gcc.rs
index b012e47f9aa..75e793f18b8 100644
--- a/library/std/src/sys/personality/gcc.rs
+++ b/library/std/src/sys/personality/gcc.rs
@@ -86,7 +86,7 @@ const UNWIND_DATA_REG: (i32, i32) = (0, 1); // R0, R1
 #[cfg(any(target_arch = "riscv64", target_arch = "riscv32"))]
 const UNWIND_DATA_REG: (i32, i32) = (10, 11); // x10, x11
 
-#[cfg(target_arch = "loongarch64")]
+#[cfg(any(target_arch = "loongarch32", target_arch = "loongarch64"))]
 const UNWIND_DATA_REG: (i32, i32) = (4, 5); // a0, a1
 
 // The following code is based on GCC's C and C++ personality routines.  For reference, see:
-- 
cgit 1.4.1-3-g733a5