commit 3a57a5bef935524373a4daf7d595e6e89a5e8ac8
author Luca Barbato <lu_zero@gentoo.org> Thu Mar 22 13:35:52 2018 +0100
committer Tom Finegan <tomfinegan@google.com> Fri Mar 23 20:57:11 2018 +0000
tree b342f87219cb98b9237c8bc5a76d1af38f24647f
parent a453cb489147026f96c10f6586a1566674cdd570

cmake: Support PowerPC

Change-Id: I5c3abbac2fe425dad26231a66b64820832ca02eb

build/cmake/aom_configure.cmake

diff --git a/build/cmake/aom_configure.cmake b/build/cmake/aom_configure.cmake
index c62ac70..d0c1574 100644
--- a/build/cmake/aom_configure.cmake
+++ b/build/cmake/aom_configure.cmake
@@ -17,7 +17,7 @@
 include(FindwxWidgets)
 
 set(AOM_SUPPORTED_CPU_TARGETS
-    "arm64 armv7 armv7s generic mips32 mips64 x86 x86_64")
+    "arm64 armv7 armv7s generic mips32 mips64 ppc x86 x86_64")
 
 # Generate the user config settings. This must occur before include of
 # aom_config_defaults.cmake (because it turns every config variable into a cache
@@ -70,6 +70,8 @@
     set(AOM_TARGET_CPU "${CMAKE_SYSTEM_PROCESSOR}")
   elseif ("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "aarch64")
     set(AOM_TARGET_CPU "arm64")
+  elseif ("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "^ppc")
+    set(AOM_TARGET_CPU "ppc")
   else ()
     message(WARNING "The architecture ${CMAKE_SYSTEM_PROCESSOR} is not "
             "supported, falling back to the generic target")

build/make/rtcd.pl

diff --git a/build/make/rtcd.pl b/build/make/rtcd.pl
index 7834999..e0dfe54 100755
--- a/build/make/rtcd.pl
+++ b/build/make/rtcd.pl
@@ -343,6 +343,27 @@
   common_bottom;
 }
 
+sub ppc() {
+  determine_indirection("c", @ALL_ARCHS);
+  common_top;
+
+  print <<EOF;
+#include "aom_config.h"
+
+#ifdef RTCD_C
+static void setup_rtcd_internal(void)
+{
+EOF
+
+  set_function_pointers("c", @ALL_ARCHS);
+
+  print <<EOF;
+}
+#endif
+EOF
+  common_bottom;
+}
+
 sub unoptimized() {
   determine_indirection "c";
   common_top;
@@ -399,6 +420,9 @@
 } elsif ($opts{arch} eq 'armv8' || $opts{arch} eq 'arm64' ) {
   @ALL_ARCHS = filter(qw/neon/);
   arm;
+} elsif ($opts{arch} eq 'ppc') {
+  @ALL_ARCHS = filter(qw/vsx/);
+  ppc;
 } else {
   unoptimized;
 }