Add support for hexagon-unknown-linux-musl

ci/build.sh

@@ -186,6 +186,7 @@ armebv7r-none-eabihf \
 armv7-unknown-cloudabi-eabihf \
 armv7r-none-eabi \
 armv7r-none-eabihf \
+hexagon-unknown-linux-musl \
 i586-pc-windows-msvc \
 i686-pc-windows-msvc \
 i686-unknown-cloudabi \

src/unix/linux_like/linux/align.rs

@@ -60,6 +60,7 @@ macro_rules! expand_align {
             #[cfg_attr(all(target_pointer_width = "32",
                            any(target_arch = "mips",
                                target_arch = "arm",
+                               target_arch = "hexagon",
                                target_arch = "powerpc",
                                target_arch = "x86_64",
                                target_arch = "x86")),
@@ -67,6 +68,7 @@ macro_rules! expand_align {
             #[cfg_attr(any(target_pointer_width = "64",
                            not(any(target_arch = "mips",
                                    target_arch = "arm",
+                                   target_arch = "hexagon",
                                    target_arch = "powerpc",
                                    target_arch = "x86_64",
                                    target_arch = "x86"))),
@@ -79,6 +81,7 @@ macro_rules! expand_align {
             #[cfg_attr(all(target_pointer_width = "32",
                            any(target_arch = "mips",
                                target_arch = "arm",
+                               target_arch = "hexagon",
                                target_arch = "powerpc",
                                target_arch = "x86_64",
                                target_arch = "x86")),
@@ -86,6 +89,7 @@ macro_rules! expand_align {
             #[cfg_attr(any(target_pointer_width = "64",
                            not(any(target_arch = "mips",
                                    target_arch = "arm",
+                                   target_arch = "hexagon",
                                    target_arch = "powerpc",
                                    target_arch = "x86_64",
                                    target_arch = "x86"))),

src/unix/linux_like/linux/musl/b32/mod.rs

@@ -56,6 +56,9 @@ cfg_if! {
     } else if #[cfg(any(target_arch = "powerpc"))] {
         mod powerpc;
         pub use self::powerpc::*;
+    } else if #[cfg(any(target_arch = "hexagon"))] {
+        mod hexagon;
+        pub use self::hexagon::*;
     } else {
         // Unknown target_arch
     }

src/unix/linux_like/linux/musl/mod.rs

@@ -414,8 +414,9 @@ cfg_if! {
         pub use self::b64::*;
     } else if #[cfg(any(target_arch = "x86",
                         target_arch = "mips",
-                        target_arch = "arm",
-                        target_arch = "powerpc"))] {
+                        target_arch = "powerpc",
+                        target_arch = "hexagon",
+                        target_arch = "arm"))] {
         mod b32;
         pub use self::b32::*;
     } else { }