Add support for the VSX and Altivec features on PowerPC

Author: lu-zero

src/librustc_trans/llvm_util.rs

@@ -80,13 +80,16 @@ const X86_WHITELIST: &'static [&'static str] = &["avx\0", "avx2\0", "bmi\0", "bm
 
 const HEXAGON_WHITELIST: &'static [&'static str] = &["hvx\0", "hvx-double\0"];
 
+const POWERPC_WHITELIST: &'static [&'static str] = &["altivec\0", "vsx\0"];
+
 pub fn target_features(sess: &Session) -> Vec<Symbol> {
     let target_machine = create_target_machine(sess);
 
     let whitelist = match &*sess.target.target.arch {
         "arm" => ARM_WHITELIST,
         "x86" | "x86_64" => X86_WHITELIST,
         "hexagon" => HEXAGON_WHITELIST,
+        "powerpc" | "powerpc64" => POWERPC_WHITELIST,
         _ => &[],
     };