Add support for Vector Multiply Even on PowerPC

Author: lu-zero

src/etc/platform-intrinsics/powerpc.json

@@ -100,6 +100,13 @@
             "llvm": "vaddcuw",
             "ret": "u32",
             "args": ["0", "0"]
+        },
+        {
+            "intrinsic": "mule{1.kind}{1.data_type_short}",
+            "width": [128],
+            "llvm": "vmule{0.kind}{1.data_type_short}",
+            "ret": "i(16-32)",
+            "args": ["0N", "1"]
         }
     ]
 }

src/librustc_platform_intrinsics/powerpc.rs

@@ -212,6 +212,26 @@ pub fn find(name: &str) -> Option<Intrinsic> {
             output: &::U32x4,
             definition: Named("llvm.ppc.altivec.vaddcuw")
         },
+        "_vec_mulesb" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 2] = [&::I8x16, &::I8x16]; &INPUTS },
+            output: &::I16x8,
+            definition: Named("llvm.ppc.altivec.vmulesb")
+        },
+        "_vec_muleub" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 2] = [&::U8x16, &::U8x16]; &INPUTS },
+            output: &::U16x8,
+            definition: Named("llvm.ppc.altivec.vmuleub")
+        },
+        "_vec_mulesh" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 2] = [&::I16x8, &::I16x8]; &INPUTS },
+            output: &::I32x4,
+            definition: Named("llvm.ppc.altivec.vmulesh")
+        },
+        "_vec_muleuh" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 2] = [&::U16x8, &::U16x8]; &INPUTS },
+            output: &::U32x4,
+            definition: Named("llvm.ppc.altivec.vmuleuh")
+        },
         _ => return None,
     })
 }