Rollup merge of #142053 - heiher:loong32-none, r=wesleywiser

Add new Tier-3 targets: `loongarch32-unknown-none*`

MCP: https://github.com/rust-lang/compiler-team/issues/865

NOTE: LoongArch32 ELF object support is available starting with object v0.37.0.

2 files changed, 2 insertions, 1 deletions

diff --git a/compiler/rustc_codegen_ssa/src/back/link/raw_dylib.rs b/compiler/rustc_codegen_ssa/src/back/link/raw_dylib.rs
index 2c24378afe1..74f39022afb 100644
--- a/compiler/rustc_codegen_ssa/src/back/link/raw_dylib.rs
+++ b/compiler/rustc_codegen_ssa/src/back/link/raw_dylib.rs
@@ -287,6 +287,7 @@ fn create_elf_raw_dylib_stub(sess: &Session, soname: &str, symbols: &[DllImport]
         (Architecture::X86_64, None) => elf::EM_X86_64,
         (Architecture::X86_64_X32, None) => elf::EM_X86_64,
         (Architecture::Hexagon, None) => elf::EM_HEXAGON,
+        (Architecture::LoongArch32, None) => elf::EM_LOONGARCH,
         (Architecture::LoongArch64, None) => elf::EM_LOONGARCH,
         (Architecture::M68k, None) => elf::EM_68K,
         (Architecture::Mips, None) => elf::EM_MIPS,
diff --git a/compiler/rustc_codegen_ssa/src/back/metadata.rs b/compiler/rustc_codegen_ssa/src/back/metadata.rs
index ec46c71b0e4..a16862c41ee 100644
--- a/compiler/rustc_codegen_ssa/src/back/metadata.rs
+++ b/compiler/rustc_codegen_ssa/src/back/metadata.rs
@@ -348,7 +348,7 @@ pub(super) fn elf_e_flags(architecture: Architecture, sess: &Session) -> u32 {
 
             e_flags
         }
-        Architecture::LoongArch64 => {
+        Architecture::LoongArch32 | Architecture::LoongArch64 => {
             // Source: https://github.com/loongson/la-abi-specs/blob/release/laelf.adoc#e_flags-identifies-abi-type-and-version
             let mut e_flags: u32 = elf::EF_LARCH_OBJABI_V1;