From 73fa0a73b3425e569a36aa2345f1a9696dc77e76 Mon Sep 17 00:00:00 2001
From: Giorgio Arena <giorgio.arena@arm.com>
Date: Thu, 10 Feb 2022 15:06:51 +0000
Subject: Fix FP16 for validation in multi_isa builds

Resolves COMPMID-5133

Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Change-Id: Ice2ed60aa91042e1dc78a3548f8b960f185cb6e5
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/7120
Reviewed-by: Pablo Marquez Tello <pablo.tello@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
---
 SConstruct | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'SConstruct')

diff --git a/SConstruct b/SConstruct
index 3266d34919..cc5a382c1e 100644
--- a/SConstruct
+++ b/SConstruct
@@ -268,6 +268,8 @@ if env['multi_isa']:
         if "disable_mmla_fp" not in env['custom_options']:
             env.Append(CPPDEFINES = ['ARM_COMPUTE_ENABLE_SVEF32MM'])
 
+    env.Append(CXXFLAGS = ['-march=armv8.2-a+fp16']) # explicitly enable fp16 extension otherwise __ARM_FEATURE_FP16_VECTOR_ARITHMETIC is undefined
+
 else: # NONE "multi_isa" builds
 
     if 'v7a' in env['arch']:
-- 
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