diff --git a/src/etc/platform-intrinsics/powerpc.json b/src/etc/platform-intrinsics/powerpc.json
index c70791be030f7..d615037b632d7 100644
--- a/src/etc/platform-intrinsics/powerpc.json
+++ b/src/etc/platform-intrinsics/powerpc.json
@@ -121,6 +121,41 @@
             "llvm": "vavg{0.kind}{0.data_type_short}",
             "ret": "i(8-32)",
             "args": ["0", "0"]
+        },
+        {
+            "intrinsic": "packs{0.kind}{1.data_type_short}",
+            "width": [128],
+            "llvm": "vpk{0.kind}{1.data_type_short}{0.kind}s",
+            "ret": "i(8-16)",
+            "args": ["0W", "1"]
+        },
+        {
+            "intrinsic": "packsu{1.kind}{1.data_type_short}",
+            "width": [128],
+            "llvm": "vpk{1.kind}{1.data_type_short}{0.kind}s",
+            "ret": "u(8-16)",
+            "args": ["0Ws", "1"]
+        },
+        {
+            "intrinsic": "packpx",
+            "width": [128],
+            "llvm": "vpkpx",
+            "ret": "s16",
+            "args": ["s32", "s32"]
+        },
+        {
+            "intrinsic": "unpackl{1.kind}{1.data_type_short}",
+            "width": [128],
+            "llvm": "vupkl{1.kind}{1.data_type_short}",
+            "ret": "s(16-32)",
+            "args": ["0N"]
+        },
+        {
+            "intrinsic": "unpackh{1.kind}{1.data_type_short}",
+            "width": [128],
+            "llvm": "vupkh{1.kind}{1.data_type_short}",
+            "ret": "s(16-32)",
+            "args": ["0N"]
         }
     ]
 }
diff --git a/src/librustc_platform_intrinsics/powerpc.rs b/src/librustc_platform_intrinsics/powerpc.rs
index b38369665f89c..1a2e8e9c5d868 100644
--- a/src/librustc_platform_intrinsics/powerpc.rs
+++ b/src/librustc_platform_intrinsics/powerpc.rs
@@ -282,6 +282,61 @@ pub fn find(name: &str) -> Option<Intrinsic> {
             output: &::U32x4,
             definition: Named("llvm.ppc.altivec.vavguw")
         },
+        "_vec_packssh" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 2] = [&::I16x8, &::I16x8]; &INPUTS },
+            output: &::I8x16,
+            definition: Named("llvm.ppc.altivec.vpkshss")
+        },
+        "_vec_packsuh" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 2] = [&::U16x8, &::U16x8]; &INPUTS },
+            output: &::U8x16,
+            definition: Named("llvm.ppc.altivec.vpkuhus")
+        },
+        "_vec_packssw" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 2] = [&::I32x4, &::I32x4]; &INPUTS },
+            output: &::I16x8,
+            definition: Named("llvm.ppc.altivec.vpkswss")
+        },
+        "_vec_packsuw" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 2] = [&::U32x4, &::U32x4]; &INPUTS },
+            output: &::U16x8,
+            definition: Named("llvm.ppc.altivec.vpkuwus")
+        },
+        "_vec_packsush" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 2] = [&::I16x8, &::I16x8]; &INPUTS },
+            output: &::U8x16,
+            definition: Named("llvm.ppc.altivec.vpkshus")
+        },
+        "_vec_packsusw" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 2] = [&::I32x4, &::I32x4]; &INPUTS },
+            output: &::U16x8,
+            definition: Named("llvm.ppc.altivec.vpkswus")
+        },
+        "_vec_packpx" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 2] = [&::I32x4, &::I32x4]; &INPUTS },
+            output: &::I16x8,
+            definition: Named("llvm.ppc.altivec.vpkpx")
+        },
+        "_vec_unpacklsb" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 1] = [&::I8x16]; &INPUTS },
+            output: &::I16x8,
+            definition: Named("llvm.ppc.altivec.vupklsb")
+        },
+        "_vec_unpacklsh" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 1] = [&::I16x8]; &INPUTS },
+            output: &::I32x4,
+            definition: Named("llvm.ppc.altivec.vupklsh")
+        },
+        "_vec_unpackhsb" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 1] = [&::I8x16]; &INPUTS },
+            output: &::I16x8,
+            definition: Named("llvm.ppc.altivec.vupkhsb")
+        },
+        "_vec_unpackhsh" => Intrinsic {
+            inputs: { static INPUTS: [&'static Type; 1] = [&::I16x8]; &INPUTS },
+            output: &::I32x4,
+            definition: Named("llvm.ppc.altivec.vupkhsh")
+        },
         _ => return None,
     })
 }