diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
index eafcef11d02..e8591ffe1f0 100644
--- a/lib/Support/Triple.cpp
+++ b/lib/Support/Triple.cpp
@@ -338,9 +338,9 @@ static Triple::ArchType parseArch(StringRef ArchName) {
     // FIXME: Do we need to support these?
     .Cases("i786", "i886", "i986", Triple::x86)
     .Cases("amd64", "x86_64", "x86_64h", Triple::x86_64)
-    .Case("powerpc", Triple::ppc)
-    .Cases("powerpc64", "ppu", Triple::ppc64)
-    .Case("powerpc64le", Triple::ppc64le)
+    .Cases("powerpc", "ppc32", Triple::ppc)
+    .Cases("powerpc64", "ppu", "ppc64", Triple::ppc64)
+    .Cases("powerpc64le", "ppc64le", Triple::ppc64le)
     .Case("xscale", Triple::arm)
     .Case("xscaleeb", Triple::armeb)
     .Case("aarch64", Triple::aarch64)
@@ -359,7 +359,7 @@ static Triple::ArchType parseArch(StringRef ArchName) {
     .Case("r600", Triple::r600)
     .Case("amdgcn", Triple::amdgcn)
     .Case("hexagon", Triple::hexagon)
-    .Case("s390x", Triple::systemz)
+    .Cases("s390x", "systemz", Triple::systemz)
     .Case("sparc", Triple::sparc)
     .Case("sparcel", Triple::sparcel)
     .Cases("sparcv9", "sparc64", Triple::sparcv9)