From ca4dfb79275e0386394a6e71818e8d087855e70d Mon Sep 17 00:00:00 2001
From: Joel Falcou <joel.falcou@lri.fr>
Date: Thu, 1 Feb 2024 17:47:36 +0100
Subject: [PATCH] Test SVE2

---
 .github/workflows/unit.yml            |  2 ++
 test/simd.cpp                         | 19 ++++++++++++-------
 test/toolchain/gcc.aarch64.sve2.cmake | 13 +++++++++++++
 3 files changed, 27 insertions(+), 7 deletions(-)
 create mode 100644 test/toolchain/gcc.aarch64.sve2.cmake

diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index 4570754..9759026 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -163,6 +163,8 @@ jobs:
         - { comp: gcc , arch: aarch64     , opts: -Wno-psabi, mode: Release }
         - { comp: gcc , arch: aarch64.sve , opts: -Wno-psabi, mode: Debug   }
         - { comp: gcc , arch: aarch64.sve , opts: -Wno-psabi, mode: Release }
+        - { comp: gcc , arch: aarch64.sve2, opts: -Wno-psabi, mode: Debug   }
+        - { comp: gcc , arch: aarch64.sve2, opts: -Wno-psabi, mode: Release }
         - { comp: gcc , arch: ppc64       , opts: -Wno-psabi, mode: Debug   }
         - { comp: gcc , arch: ppc64       , opts: -Wno-psabi, mode: Release }
     steps:
diff --git a/test/simd.cpp b/test/simd.cpp
index b6866dd..8196ee0 100644
--- a/test/simd.cpp
+++ b/test/simd.cpp
@@ -50,14 +50,19 @@ int main()
     std::cout << "ARM SIMD status: "  << std::boolalpha << (spy::simd_instruction_set == spy::arm_simd_ ) << std::endl;
     std::cout << "NEON     status: "  << std::boolalpha << (spy::simd_instruction_set >= spy::neon_ )     << std::endl;
     std::cout << "ASIMD    status: "  << std::boolalpha << (spy::simd_instruction_set >= spy::asimd_)     << std::endl;
-    std::cout << "SVE      status: "  << std::boolalpha << (spy::simd_instruction_set >= spy::sve_);
-    if constexpr(spy::simd_instruction_set.has_fixed_cardinal())
-    {
-      std::cout << " - fixed size: " << spy::simd_instruction_set.width << " bits" << std::endl;
-    }
-    else
+
+    std::cout << "SVE      status: "  << std::boolalpha << (spy::simd_instruction_set == spy::sve_ )      << std::endl;
+    std::cout << "SVE      status: "  << std::boolalpha << (spy::simd_instruction_set == spy::sve2_)      << std::endl;
+    if constexpr(spy::simd_instruction_set >= spy::sve_)
     {
-      std::cout << " - flexible size" << std::endl;
+      if constexpr(spy::simd_instruction_set.has_fixed_cardinal())
+      {
+        std::cout << "SVE uses fixed size: " << spy::simd_instruction_set.width << " bits" << std::endl;
+      }
+      else
+      {
+        std::cout << "SVE uses flexible size" << std::endl;
+      }
     }
   }
   std::cout << std::endl;
diff --git a/test/toolchain/gcc.aarch64.sve2.cmake b/test/toolchain/gcc.aarch64.sve2.cmake
new file mode 100644
index 0000000..cc6be36
--- /dev/null
+++ b/test/toolchain/gcc.aarch64.sve2.cmake
@@ -0,0 +1,13 @@
+##==================================================================================================
+##  SPY - C++ Informations Broker
+##  Copyright : SPY Project Contributors
+##  SPDX-License-Identifier: BSL-1.0
+##==================================================================================================
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR arm)
+
+set(CMAKE_C_COMPILER    aarch64-linux-gnu-gcc-12 )
+set(CMAKE_CXX_COMPILER  aarch64-linux-gnu-g++-12 )
+set(CMAKE_CXX_FLAGS     "-march=armv8-a+sve2 -msve-vector-bits=512" )
+
+set(CMAKE_CROSSCOMPILING_CMD qemu-aarch64)