Auto merge of #2765 - zhaixiaojuan:master, r=Amanieu

Add loongarch64 support The LoongArch architecture (LoongArch) is an Instruction Set Architecture (ISA) that has a Reduced Instruction Set Computer (RISC) style. The documents are on： https://loongson.github.io/LoongArch-Documentation/README-EN.html https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html
rust-lang · Apr 28, 2022 · d747e7d · d747e7d
2 parents d31cbb1 + 467c34c
commit d747e7d
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Showing 6 changed files with 901 additions and 3 deletions.
diff --git a/src/unix/linux_like/linux/align.rs b/src/unix/linux_like/linux/align.rs
@@ -9,7 +9,8 @@ macro_rules! expand_align {
                            target_arch = "sparc64",
                            target_arch = "aarch64",
                            target_arch = "riscv64",
-                           target_arch = "riscv32"),
+                           target_arch = "riscv32",
+                           target_arch = "loongarch64"),
                        repr(align(4)))]
             #[cfg_attr(not(any(target_pointer_width = "32",
                                target_arch = "x86_64",
@@ -19,7 +20,8 @@ macro_rules! expand_align {
                                target_arch = "sparc64",
                                target_arch = "aarch64",
                                target_arch = "riscv64",
-                               target_arch = "riscv32")),
+                               target_arch = "riscv32",
+                               target_arch = "loongarch64")),
                        repr(align(8)))]
             pub struct pthread_mutexattr_t {
                 #[doc(hidden)]

diff --git a/src/unix/linux_like/linux/gnu/b64/loongarch64/align.rs b/src/unix/linux_like/linux/gnu/b64/loongarch64/align.rs
@@ -0,0 +1,7 @@
+s_no_extra_traits! {
+    #[allow(missing_debug_implementations)]
+    #[repr(align(16))]
+    pub struct max_align_t {
+        priv_: [f64; 4]
+    }
+}