From 4f08cc3616262b4bc0049352364714ea01783e7c Mon Sep 17 00:00:00 2001
From: Piet Jarmatz <piet.j@rmatz.de>
Date: Wed, 7 Jun 2023 15:17:16 +0200
Subject: [PATCH] SVE-vector-length-bugfix
---
CMakeLists.txt | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a0a977795..557a81e0f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -379,7 +379,9 @@ if( WALBERLA_OPTIMIZE_FOR_LOCALHOST )
endif()
if( EXISTS "/proc/sys/abi/sve_default_vector_length" )
- file( READ "/proc/sys/abi/sve_default_vector_length" SVE_LENGTH )
+ file( READ "/proc/sys/abi/sve_default_vector_length" SVE_LENGTH_BYTES )
+ string(STRIP "${SVE_LENGTH_BYTES}" SVE_LENGTH_BYTES)
+ math(EXPR SVE_LENGTH "${SVE_LENGTH_BYTES} * 8")
add_flag ( CMAKE_CXX_FLAGS "-msve-vector-bits=${SVE_LENGTH}" )
add_flag ( CMAKE_C_FLAGS "-msve-vector-bits=${SVE_LENGTH}" )
endif()
--
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