[gcc(refs/users/iains/heads/d-for-darwin)] D, Darwin, PPC : Implement thread interfaces.

[Iain D Sandoe <iains@gcc.gnu.org>]

https://gcc.gnu.org/g:45f4704ecd85db974c9626c3ed05cf8e944fb336

commit 45f4704ecd85db974c9626c3ed05cf8e944fb336
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Fri Dec 11 00:55:38 2020 +0000

    D, Darwin, PPC : Implement thread interfaces.
    
    This provides the implementation for the threads and fibres
    interfaces for PowerPC Darwin (32 and 64 bit).

Diff:
---
 libphobos/libdruntime/core/thread/fiber.d    | 1 +
 libphobos/libdruntime/core/thread/osthread.d | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/libphobos/libdruntime/core/thread/fiber.d b/libphobos/libdruntime/core/thread/fiber.d
index 4ae0d033be1..b61bc065c9c 100644
--- a/libphobos/libdruntime/core/thread/fiber.d
+++ b/libphobos/libdruntime/core/thread/fiber.d
@@ -147,6 +147,7 @@ private
         }
         else version (Posix)
         {
+            version = AsmPPC64_Posix;
             version = AlignFiberStackTo16Byte;
         }
     }
diff --git a/libphobos/libdruntime/core/thread/osthread.d b/libphobos/libdruntime/core/thread/osthread.d
index 9fcd30e50fb..9fe791dbe96 100644
--- a/libphobos/libdruntime/core/thread/osthread.d
+++ b/libphobos/libdruntime/core/thread/osthread.d
@@ -37,6 +37,11 @@ else version (TVOS)
     version = Darwin;
 else version (WatchOS)
     version = Darwin;
+version (Darwin)
+{
+    version (PPC) version = Darwin_AnyPPC;
+    version (PPC64) version = Darwin_AnyPPC;
+}
 
 version (Shared)
     version (GNU)