From: Christopher Ferris <cferris@google.com>
Date: Thu, 17 Sep 2015 21:11:05 +0000 (-0700)
Subject: Add cortex-a53.a57 target for 32 bit big/little.
X-Git-Tag: android-x86-7.1-r1~270^2~78^2^2~18^2
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=54ee0407dc4f51f7a4d889968d137e56928c1607;p=android-x86%2Fbionic.git

Add cortex-a53.a57 target for 32 bit big/little.

The routines optimized for cortex-a7 and cortex-a53 cause performance
drops on cortex-a57. Instead create a target that is the middle ground
that works relatively well on either core.

Change-Id: Ie2b6cc9a59a01c7b30602ee368b2b90f5e886289
---

diff --git a/libc/arch-arm/cortex-a53.a57/cortex-a53.a57.mk b/libc/arch-arm/cortex-a53.a57/cortex-a53.a57.mk
new file mode 100644
index 000000000..0eec165f1
--- /dev/null
+++ b/libc/arch-arm/cortex-a53.a57/cortex-a53.a57.mk
@@ -0,0 +1,21 @@
+# This file represents the best optimized routines that are the middle
+# ground when running on a big/little system that is cortex-a57/cortex-a53.
+# The cortex-a7 optimized routines, and the cortex-a53 optimized routines
+# decrease performance on cortex-a57 processors by as much as 20%.
+
+libc_bionic_src_files_arm += \
+    arch-arm/cortex-a15/bionic/memcpy.S \
+    arch-arm/cortex-a15/bionic/memset.S \
+    arch-arm/cortex-a15/bionic/stpcpy.S \
+    arch-arm/cortex-a15/bionic/strcat.S \
+    arch-arm/cortex-a15/bionic/__strcat_chk.S \
+    arch-arm/cortex-a15/bionic/strcmp.S \
+    arch-arm/cortex-a15/bionic/strcpy.S \
+    arch-arm/cortex-a15/bionic/__strcpy_chk.S \
+    arch-arm/cortex-a15/bionic/strlen.S \
+
+libc_bionic_src_files_arm += \
+    arch-arm/generic/bionic/memcmp.S \
+
+libc_bionic_src_files_arm += \
+    arch-arm/denver/bionic/memmove.S \