Fix floating point types for powerpc

Author: ruscur

Foundation/CGFloat.swift

@@ -9,11 +9,11 @@
 
 @_fixed_layout
 public struct CGFloat {
-#if arch(i386) || arch(arm)
+#if arch(i386) || arch(arm) || arch(powerpc)
     /// The native type used to store the CGFloat, which is Float on
     /// 32-bit architectures and Double on 64-bit architectures.
     public typealias NativeType = Float
-#elseif arch(x86_64) || arch(arm64) || arch(s390x)
+#elseif arch(x86_64) || arch(arm64) || arch(s390x) || arch(powerpc64) || arch(powerpc64le)
     /// The native type used to store the CGFloat, which is Float on
     /// 32-bit architectures and Double on 64-bit architectures.
     public typealias NativeType = Double
@@ -170,9 +170,9 @@ extension CGFloat : BinaryFloatingPoint {
 
     @_transparent
     public init(bitPattern: UInt) {
-#if arch(i386) || arch(arm)
+#if arch(i386) || arch(arm) || arch(powerpc)
         native = NativeType(bitPattern: UInt32(bitPattern))
-#elseif arch(x86_64) || arch(arm64) || arch(s390x)
+#elseif arch(x86_64) || arch(arm64) || arch(s390x) || arch(powerpc64) || arch(powerpc64le)
         native = NativeType(bitPattern: UInt64(bitPattern))
 #endif
     }