commit bf7ce2508c6ed8beb2431fba43af3cdd68a8eb63
author jaishank <jaishankar.rajendran@intel.com> Mon Jun 10 16:16:47 2019 +0530
committer Treehugger Robot <treehugger-gerrit@google.com> Thu Sep 05 17:00:37 2019 +0000
tree 5265e7846b3245519e56c5f61b7aaafa52355890
parent ec2db5f88b94c99f0d8d5b9babc64539f2e7f6d4

 Enabled AVX2 and FMA compiler Flags for libart module.

 Performance Impact:
 10-12% Launch Time performance improvement for top ranked apps
 13-15% Cold Launch Time performance improvement for Top Ranked Education Apps
 11-14% Warm Launch Time performance improvement for Top Ranked Education Apps

Test: run-test gtest

Change-Id: I4e4e3dd3aa2ee03395f782116858647f305aae00
Signed-off-by: jaishank <jaishankar.rajendran@intel.com>

build/Android.bp

diff --git a/build/Android.bp b/build/Android.bp
index 9fec80c..605d468 100644
--- a/build/Android.bp
+++ b/build/Android.bp
@@ -108,6 +108,25 @@
         "-D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS",
     ],
 
+    arch: {
+        x86: {
+            avx2: {
+                cflags: [
+                    "-mavx2",
+                    "-mfma",
+                ],
+            },
+        },
+        x86_64: {
+            avx2: {
+                cflags: [
+                    "-mavx2",
+                    "-mfma",
+                ],
+            },
+        },
+    },
+
     target: {
         android: {
             cflags: [