support for mips64r6 as a target_arch value

Author: chenx97

std/src/os/linux/raw.rs

@@ -233,6 +233,7 @@ mod arch {
 #[cfg(any(
     target_arch = "loongarch64",
     target_arch = "mips64",
+    target_arch = "mips64r6",
     target_arch = "s390x",
     target_arch = "sparc64",
     target_arch = "riscv64",

std/src/sync/mpmc/utils.rs

@@ -36,6 +36,7 @@ use crate::ops::{Deref, DerefMut};
         target_arch = "arm",
         target_arch = "mips",
         target_arch = "mips64",
+        target_arch = "mips64r6",
         target_arch = "riscv64",
     ),
     repr(align(32))
@@ -60,6 +61,7 @@ use crate::ops::{Deref, DerefMut};
         target_arch = "arm",
         target_arch = "mips",
         target_arch = "mips64",
+        target_arch = "mips64r6",
         target_arch = "riscv64",
         target_arch = "s390x",
     )),

std/src/sys/common/alloc.rs

@@ -24,6 +24,7 @@ pub const MIN_ALIGN: usize = 8;
     target_arch = "aarch64",
     target_arch = "loongarch64",
     target_arch = "mips64",
+    target_arch = "mips64r6",
     target_arch = "s390x",
     target_arch = "sparc64",
     target_arch = "riscv64",

std/src/sys/personality/gcc.rs

@@ -59,7 +59,7 @@ const UNWIND_DATA_REG: (i32, i32) = (0, 1); // R0, R1 / X0, X1
 #[cfg(target_arch = "m68k")]
 const UNWIND_DATA_REG: (i32, i32) = (0, 1); // D0, D1
 
-#[cfg(any(target_arch = "mips", target_arch = "mips64"))]
+#[cfg(any(target_arch = "mips", target_arch = "mips64", target_arch = "mips64r6"))]
 const UNWIND_DATA_REG: (i32, i32) = (4, 5); // A0, A1
 
 #[cfg(any(target_arch = "powerpc", target_arch = "powerpc64"))]

unwind/src/libunwind.rs

@@ -54,7 +54,7 @@ pub const unwinder_private_data_size: usize = 2;
 #[cfg(target_arch = "mips")]
 pub const unwinder_private_data_size: usize = 2;
 
-#[cfg(target_arch = "mips64")]
+#[cfg(any(target_arch = "mips64", target_arch = "mips64r6"))]
 pub const unwinder_private_data_size: usize = 2;
 
 #[cfg(any(target_arch = "powerpc", target_arch = "powerpc64"))]