--- a/src/jit/bcsave.lua	2018-12-17 19:06:27.215042417 +0100
+++ b/src/jit/bcsave.lua	2018-12-17 19:17:12.982477945 +0100
@@ -64,7 +64,7 @@
 
 local map_arch = {
   x86 = true, x64 = true, arm = true, arm64 = true, arm64be = true,
-  ppc = true, mips = true, mipsel = true,
+  ppc = true, ppc64 = true, ppc64le = true, mips = true, mipsel = true,
 }
 
 local map_os = {
@@ -200,9 +200,10 @@
 ]]
   local symname = LJBC_PREFIX..ctx.modname
   local is64, isbe = false, false
-  if ctx.arch == "x64" or ctx.arch == "arm64" or ctx.arch == "arm64be" then
+  if ctx.arch == "x64" or ctx.arch == "arm64" or ctx.arch == "arm64be" or ctx.arch == "ppc64" or ctx.arch == "ppc64le" then
     is64 = true
-  elseif ctx.arch == "ppc" or ctx.arch == "mips" then
+  end
+  if ctx.arch == "ppc" or ctx.arch == "ppc64" or ctx.arch == "mips" then
     isbe = true
   end
 
@@ -237,7 +238,7 @@
   hdr.eendian = isbe and 2 or 1
   hdr.eversion = 1
   hdr.type = f16(1)
-  hdr.machine = f16(({ x86=3, x64=62, arm=40, arm64=183, arm64be=183, ppc=20, mips=8, mipsel=8 })[ctx.arch])
+  hdr.machine = f16(({ x86=3, x64=62, arm=40, arm64=183, arm64be=183, ppc=20, ppc64=21, ppc64le=21, mips=8, mipsel=8 })[ctx.arch])
   if ctx.arch == "mips" or ctx.arch == "mipsel" then
     hdr.flags = f32(0x50001006)
   end