From 0a8b9d49148d12c84e346b09a8e6f82fc68f4502 Mon Sep 17 00:00:00 2001 From: Adithya R Date: Sun, 24 Jan 2021 14:02:20 +0530 Subject: [PATCH] FP5: Switch to dot product CPU variant * FP5:/ $ cat /proc/cpuinfo | grep -m 1 Features Features: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp * From this, it's evident that our CPU (Qualcomm QCM6490) supports all the features of ARMv8.2-DotProd [1]. Moreover AOSP sets this arch variant in their generic cortex-a55 ART target as well [2]. This should unlock some optimizations in different code paths. [1]: https://en.wikichip.org/wiki/arm/armv8#ARMv8_Extensions_and_Processor_Features [2]: https://android.googlesource.com/device/generic/art/+/refs/heads/master/armv8_cortex_a55/BoardConfig.mk#23 Change-Id: I484bb2bcc181c62e29c04bc6e467e5edea8ac0d8 --- BoardConfig.mk | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/BoardConfig.mk b/BoardConfig.mk index 680df35..05aaa32 100644 --- a/BoardConfig.mk +++ b/BoardConfig.mk @@ -22,7 +22,7 @@ AB_OTA_PARTITIONS := \ # Architecture TARGET_ARCH := arm64 -TARGET_ARCH_VARIANT := armv8-2a +TARGET_ARCH_VARIANT := armv8-2a-dotprod TARGET_CPU_ABI := arm64-v8a TARGET_CPU_ABI2 := TARGET_CPU_VARIANT := cortex-a76 -- GitLab