Merge from develop for 0.3.31 release

.cirrus.yml

@@ -58,8 +58,8 @@ task:
   - export VALID_ARCHS="i386 x86_64"
   - xcrun --sdk macosx --show-sdk-path
   - xcodebuild -version
-  - export CC=/Applications/Xcode_16.3.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
-  - export CFLAGS="-O2 -unwindlib=none -Wno-macro-redefined -isysroot /Applications/Xcode_16.3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -arch x86_64"
+  - export CC=/Applications/Xcode_26.0.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
+  - export CFLAGS="-O2 -unwindlib=none -Wno-macro-redefined -isysroot /Applications/Xcode_26.0.1.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -arch x86_64"
   - make TARGET=CORE2 DYNAMIC_ARCH=1 NUM_THREADS=32 HOSTCC=clang NOFORTRAN=1 RANLIB="ls -l"
   always:
     config_artifacts:
@@ -78,8 +78,8 @@ task:
   - export #PATH=/opt/homebrew/opt/llvm/bin:$PATH
   - export #LDFLAGS="-L/opt/homebrew/opt/llvm/lib"
   - export #CPPFLAGS="-I/opt/homebrew/opt/llvm/include" 
-  - export CC=/Applications/Xcode_16.3.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
-  - export CFLAGS="-O2 -unwindlib=none -Wno-macro-redefined -isysroot /Applications/Xcode_16.3.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -arch arm64 -miphoneos-version-min=10.0"
+  - export CC=/Applications/Xcode_26.0.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
+  - export CFLAGS="-O2 -unwindlib=none -Wno-macro-redefined -isysroot /Applications/Xcode_26.0.1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -arch arm64 -miphoneos-version-min=10.0"
   - xcrun --sdk iphoneos --show-sdk-path
   - ls -l /Applications
   - make TARGET=ARMV8 NUM_THREADS=32 HOSTCC=clang NOFORTRAN=1 CROSS=1
@@ -127,7 +127,7 @@ task:
 FreeBSD_task:
   name: FreeBSD-gcc
   freebsd_instance:
-    image_family: freebsd-14-2
+    image_family: freebsd-14-3
   install_script:
   - pkg update -f && pkg upgrade -y && pkg install -y gmake gcc
   compile_script:
@@ -138,7 +138,7 @@ FreeBSD_task:
 FreeBSD_task:
   name: freebsd-gcc-ilp64
   freebsd_instance:
-    image_family: freebsd-14-2
+    image_family: freebsd-14-3
   install_script:
   - pkg update -f && pkg upgrade -y && pkg install -y gmake gcc
   compile_script:
@@ -148,7 +148,7 @@ FreeBSD_task:
 FreeBSD_task:
   name: FreeBSD-clang-openmp
   freebsd_instance:
-    image_family: freebsd-14-2
+    image_family: freebsd-14-3
   install_script:
   - pkg update -f && pkg upgrade -y && pkg install -y gmake gcc 
   - ln -s /usr/local/lib/gcc13/libgfortran.so.5.0.0 /usr/lib/libgfortran.so

.github/workflows/apple_m.yml

@@ -44,7 +44,7 @@ jobs:
           elif [ "$RUNNER_OS" == "macOS" ]; then
             # It looks like "gfortran" isn't working correctly unless "gcc" is re-installed.
             brew reinstall gcc
-            brew install coreutils cmake ccache
+            brew install coreutils ccache
             brew install llvm
           else
             echo "::error::$RUNNER_OS not supported"
@@ -87,10 +87,16 @@ jobs:
           echo "max_size = 300M" > ~/.ccache/ccache.conf
           echo "compression = true" >> ~/.ccache/ccache.conf
           ccache -s
+
+      - name: Add gfortran runtime to link path
+        if: matrix.build == 'make' && runner.os == 'macOS'
+        run: |
+          GFORTRAN_LIBDIR=$(gfortran -print-file-name=libgfortran.dylib | xargs dirname)
+          echo "Using gfortran runtime in $GFORTRAN_LIBDIR"
+          echo "LDFLAGS=-L/opt/homebrew/opt/llvm/lib -L$GFORTRAN_LIBDIR" >> $GITHUB_ENV
 
       - name: Build OpenBLAS
         run: |
-          export LDFLAGS="-L/opt/homebrew/opt/llvm/lib"
           export CPPFLAGS="-I/opt/homebrew/opt/llvm/include"
           export CC="/opt/homebrew/opt/llvm/bin/clang"
           case "${{ matrix.build }}" in

.github/workflows/arm64_graviton.yml

@@ -88,13 +88,14 @@ jobs:
         run: |
           case "${{ matrix.build }}" in
             "make")
-              make -j$(nproc) DYNAMIC_ARCH=1 USE_OPENMP=0 FC="ccache ${{ matrix.fortran }}"
+              make -j$(nproc) DYNAMIC_ARCH=1 BUILD_BFLOAT16=1 USE_OPENMP=0 FC="ccache ${{ matrix.fortran }}"
               ;;
             "cmake")
               mkdir build && cd build
               cmake -DDYNAMIC_ARCH=1 \
                     -DNOFORTRAN=0 \
                     -DBUILD_WITHOUT_LAPACK=0 \
+                    -DBUILD_BFLOAT16=1 \
                     -DCMAKE_VERBOSE_MAKEFILE=ON \
                     -DCMAKE_BUILD_TYPE=Release \
                     -DCMAKE_Fortran_COMPILER=${{ matrix.fortran }} \

.github/workflows/dynamic_arch.yml

@@ -1,6 +1,6 @@
 name: continuous build
 
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
@@ -11,17 +11,24 @@ permissions:
 
 jobs:
   build:
-    if: "github.repository == 'OpenMathLib/OpenBLAS'"
+    if: "github.repository == 'OpenMathLib/OpenBLAS' || github.event_name == 'workflow_dispatch'"
     runs-on: ${{ matrix.os }}
 
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest, ubuntu-24.04-arm]
+        cc: [gcc, clang, clang-21]
         fortran: [gfortran, flang]
         build: [cmake, make]
         exclude:
           - os: macos-latest
+            cc: gcc
+          - os: macos-latest
+            cc: clang-21
+          - os: macos-latest
+            fortran: flang
+          - os: ubuntu-24.04-arm
             fortran: flang
 
     steps:
@@ -42,14 +49,27 @@ jobs:
       - name: Install Dependencies
         run: |
           if [ "$RUNNER_OS" == "Linux" ]; then
+            cat << EOF | sudo tee -a /etc/apt/apt.conf.d/01norecommend
+          APT::Install-Recommends "0";
+          APT::Install-Suggests "0";
+          EOF
             sudo apt-get update
-            sudo apt-get install -y gfortran cmake ccache
-            wget http://security.ubuntu.com/ubuntu/pool/universe/n/ncurses/libtinfo5_6.3-2ubuntu0.1_amd64.deb
-            sudo apt install ./libtinfo5_6.3-2ubuntu0.1_amd64.deb
+            sudo apt-get install -y ccache
+            if [ "${{ matrix.cc }}" == "clang-21" ]; then
+                wget https://apt.llvm.org/llvm.sh
+                chmod +x llvm.sh
+                sudo ./llvm.sh 21
+            fi
+            if [ "${{ matrix.fortran }}" == "flang" ]; then
+              wget http://security.ubuntu.com/ubuntu/pool/universe/n/ncurses/libtinfo5_6.3-2ubuntu0.1_amd64.deb
+              sudo apt install ./libtinfo5_6.3-2ubuntu0.1_amd64.deb
+            else
+              sudo apt-get install -y ${{ matrix.fortran }}
+            fi
           elif [ "$RUNNER_OS" == "macOS" ]; then
             # It looks like "gfortran" isn't working correctly unless "gcc" is re-installed.
             brew reinstall gcc
-            brew install coreutils cmake ccache
+            brew install coreutils ccache
           else
             echo "::error::$RUNNER_OS not supported"
             exit 1
@@ -64,12 +84,12 @@ jobs:
           # GNU make and cmake call the compilers differently. It looks like
           # that causes the cache to mismatch. Keep the ccache for both build
           # tools separate to avoid polluting each other.
-          key: ccache-${{ runner.os }}-${{ matrix.build }}-${{ matrix.fortran }}-${{ github.ref }}-${{ github.sha }}
+          key: ccache-${{ runner.os }}-${{ runner.arch }}-${{ matrix.build }}-${{ matrix.cc }}-${{ matrix.fortran }}-${{ github.ref }}-${{ github.sha }}
           # Restore a matching ccache cache entry. Prefer same branch and same Fortran compiler.
           restore-keys: |
-            ccache-${{ runner.os }}-${{ matrix.build }}-${{ matrix.fortran }}-${{ github.ref }}
-            ccache-${{ runner.os }}-${{ matrix.build }}-${{ matrix.fortran }}
-            ccache-${{ runner.os }}-${{ matrix.build }}
+            ccache-${{ runner.os }}-${{ runner.arch }}-${{ matrix.build }}-${{ matrix.cc }}-${{ matrix.fortran }}-${{ github.ref }}
+            ccache-${{ runner.os }}-${{ runner.arch }}-${{ matrix.build }}-${{ matrix.cc }}-${{ matrix.fortran }}
+            ccache-${{ runner.os }}-${{ runner.arch }}-${{ matrix.build }}-${{ matrix.cc }}
 
       - name: Configure ccache
         run: |
@@ -90,6 +110,14 @@ jobs:
           echo "compression = true" >> ~/.ccache/ccache.conf
           ccache -s
 
+      - name: Add gfortran runtime to link path
+        if: matrix.build == 'make' && runner.os == 'macOS'
+        run: |
+          GFORTRAN_LIBDIR=$(gfortran -print-file-name=libgfortran.dylib | xargs dirname)
+          echo "Using gfortran runtime in $GFORTRAN_LIBDIR"
+          # Preserve whatever LDFLAGS may already contain
+          echo "LDFLAGS=${LDFLAGS:+$LDFLAGS }-L$GFORTRAN_LIBDIR" >> "$GITHUB_ENV"
+
       - name: Build OpenBLAS
         run: |
           if [ "${{ matrix.fortran }}" = "flang" ]; then
@@ -102,7 +130,7 @@ jobs:
           fi
           case "${{ matrix.build }}" in
             "make")
-              make -j$(nproc) DYNAMIC_ARCH=1 USE_OPENMP=0 FC="ccache ${{ matrix.fortran }}"
+              make -j$(nproc) DYNAMIC_ARCH=1 USE_OPENMP=0 CC="ccache ${{ matrix.cc }}" FC="ccache ${{ matrix.fortran }}"
               ;;
             "cmake")
               mkdir build && cd build
@@ -111,6 +139,7 @@ jobs:
                     -DBUILD_WITHOUT_LAPACK=0 \
                     -DCMAKE_VERBOSE_MAKEFILE=ON \
                     -DCMAKE_BUILD_TYPE=Release \
+                    -DCMAKE_C_COMPILER=${{ matrix.cc }} \
                     -DCMAKE_Fortran_COMPILER=${{ matrix.fortran }} \
                     -DCMAKE_C_COMPILER_LAUNCHER=ccache \
                     -DCMAKE_Fortran_COMPILER_LAUNCHER=ccache \
@@ -134,13 +163,13 @@ jobs:
             "make")
               MAKE_FLAGS='DYNAMIC_ARCH=1 USE_OPENMP=0'
               echo "::group::Tests in 'test' directory"
-              make -C test $MAKE_FLAGS FC="ccache ${{ matrix.fortran }}"
+              make -C test $MAKE_FLAGS CC="ccache ${{ matrix.cc }}" FC="ccache ${{ matrix.fortran }}"
               echo "::endgroup::"
               echo "::group::Tests in 'ctest' directory"
-              make -C ctest $MAKE_FLAGS FC="ccache ${{ matrix.fortran }}"
+              make -C ctest $MAKE_FLAGS CC="ccache ${{ matrix.cc }}" FC="ccache ${{ matrix.fortran }}"
               echo "::endgroup::"
               echo "::group::Tests in 'utest' directory"
-              make -C utest $MAKE_FLAGS FC="ccache ${{ matrix.fortran }}"
+              make -C utest $MAKE_FLAGS CC="ccache ${{ matrix.cc }}" FC="ccache ${{ matrix.fortran }}"
               echo "::endgroup::"
               ;;
             "cmake")
@@ -364,15 +393,15 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
-        
+
       - name: Install Dependencies
         run: |
           sudo apt-get update
           sudo apt-get install -y gcc gfortran make
-          
+
       - name: Build OpenBLAS
         run: |
-          make -j${nproc} 
+          make -j${nproc}
           make -j${nproc} lapack-test
-    
-          
+
+

.github/workflows/loongarch64_clang.yml

@@ -35,7 +35,7 @@ jobs:
 
       - name: Install libffi6
         run: |
-          wget http://ftp.ca.debian.org/debian/pool/main/libf/libffi/libffi6_3.2.1-9_amd64.deb
+          wget https://download.nvidia.com/cumulus/apt.cumulusnetworks.com/pool/upstream/libf/libffi/libffi6_3.2.1-9_amd64.deb
           sudo dpkg -i libffi6_3.2.1-9_amd64.deb
 
       - name: Install APT deps

.github/workflows/riscv64_vector.yml

@@ -16,8 +16,8 @@ jobs:
     env:
       triple: riscv64-unknown-linux-gnu
       riscv_gnu_toolchain: https://github.com/riscv-collab/riscv-gnu-toolchain
-      riscv_gnu_toolchain_version: 13.2.0
-      riscv_gnu_toolchain_nightly_download_path: /releases/download/2024.02.02/riscv64-glibc-ubuntu-22.04-llvm-nightly-2024.02.02-nightly.tar.gz
+      riscv_gnu_toolchain_version: 15.1.0
+      riscv_gnu_toolchain_nightly_download_path: /releases/download/2025.08.29/riscv64-glibc-ubuntu-22.04-llvm-nightly-2025.08.29-nightly.tar.xz
     strategy:
       fail-fast: false
       matrix:
@@ -26,8 +26,8 @@ jobs:
             opts: TARGET=RISCV64_ZVL128B BINARY=64 ARCH=riscv64
             qemu_cpu: rv64,g=true,c=true,v=true,vext_spec=v1.0,vlen=128,elen=64
           - target: RISCV64_ZVL256B
-            opts: TARGET=RISCV64_ZVL256B BINARY=64 ARCH=riscv64
-            qemu_cpu: rv64,g=true,c=true,v=true,vext_spec=v1.0,vlen=256,elen=64
+            opts: TARGET=RISCV64_ZVL256B BINARY=64 ARCH=riscv64 BUILD_BFLOAT16=1 BUILD_HFLOAT16=1
+            qemu_cpu: rv64,g=true,c=true,v=true,vext_spec=v1.0,vlen=256,elen=64,zfh=true,zvfh=true,zvfbfwma=true
           - target: DYNAMIC_ARCH=1
             opts: TARGET=RISCV64_GENERIC BINARY=64 ARCH=riscv64 DYNAMIC_ARCH=1
             qemu_cpu: rv64,g=true,c=true,v=true,vext_spec=v1.0,vlen=256,elen=64
@@ -40,10 +40,13 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install autoconf automake autotools-dev ninja-build make \
-          libgomp1-riscv64-cross ccache
+          libgomp1-riscv64-cross ccache qemu-kvm qemu-user libc6-riscv64-cross
           wget ${riscv_gnu_toolchain}/${riscv_gnu_toolchain_nightly_download_path}
           tar -xvf $(basename ${riscv_gnu_toolchain_nightly_download_path}) -C /opt
-
+          wget https://gist.github.com/martin-frbg/bb630e0de34978e578eeb496b1538d4e/raw/7fd8d971f327f7a517b8f5f7989479ff2b36f71f/qemu-riscv64-10.1-ubuntu24 -P /opt/riscv/bin -o riscv64-qemu
+          mv /opt/riscv/bin/qemu-riscv64-10.1-ubuntu24 /opt/riscv/bin/qemu-riscv64
+          chmod +x /opt/riscv/bin/qemu-riscv64
+
       - name: Compilation cache
         uses: actions/cache@v3
         with:
@@ -74,7 +77,7 @@ jobs:
         run: |
             export PATH="/opt/riscv/bin:$PATH"
             make TARGET=${{ matrix.target }} CFLAGS="-DTARGET=${{ matrix.target }}" \
-            CC='${triple}-gcc' \
+            CC='ccache clang --rtlib=compiler-rt -target ${triple} --sysroot /opt/riscv/sysroot --gcc-toolchain=/opt/riscv/lib/gcc/riscv64-unknown-linux-gnu/${riscv_gnu_toolchain_version}/' \
             AR='ccache ${triple}-ar' AS='ccache ${triple}-gcc' LD='ccache ${triple}-gcc' \
             RANLIB='ccache ${triple}-ranlib' \
             FC='ccache ${triple}-gfortran' ${{ matrix.opts }} \
@@ -98,6 +101,8 @@ jobs:
         shell: bash
         run: |
           export PATH="/opt/riscv/bin:$PATH"
+          export LD_LIBRARY_PATH=/opt/riscv/sysroot/lib
+          sudo ln -s /opt/riscv/sysroot/lib/ld-linux-riscv64-lp64d.so.1 /lib
           export QEMU_CPU=${{ matrix.qemu_cpu }}
           rm -rf ./test_out
           mkdir -p ./test_out
@@ -134,6 +139,14 @@ jobs:
           wait
           while IFS= read -r -d $'\0' LOG; do cat $LOG ; FAILURES=1 ; done < <(grep -lZ FAIL ./test_out/*)
           if [[ ! -z $FAILURES ]]; then echo "==========" ; echo "== FAIL ==" ; echo "==========" ; echo ; exit 1 ; fi
+          if [ "${{matrix.target}}" == "RISCV64_ZVL256B" ]; then
+          qemu-riscv64 test/test_sbgemm &
+          qemu-riscv64 test/test_sbgemv &
+          qemu-riscv64 test/test_shgemm &
+          qemu-riscv64 test/test_shgemv &
+          qemu-riscv64 test/test_bgemm
+          fi
+
 
       - name: netlib tests
         shell: bash