vortexgpgpu/pocl

a clone of POCL that includes RISC-V newlib devices support and Vortex

pocl's Issues

.../Clang No such file or directory

Hello,
I am using Ubuntu 20.04. I applied all the steps in this readme.riscv-linux.
At this line I am having such an error:

omerguzel@omerguzel-HP-Pro:~/Projects/pocl_example/riscv-gnu-toolchain/build/llvm/build$ $RISCV_TOOLCHAIN_PATH/clang hello.c
bash: /home/omerguzel/Projects/pocl_example/riscv-gnu-toolchain/build/../drops/clang: No such file or directory

Why does this happen? did I make a mistake during the building?

When I change it to this

omerguzel@omerguzel-HP-Pro:~/Projects/pocl_example/riscv-gnu-toolchain/build/llvm/build$ clang hello.c
hello.c:1:10: fatal error: 'stdio.h' file not found
#include <stdio.h>
         ^~~~~~~~~
1 error generated.

It gives such an error. Could you help me with that, please?

Edit: I used the last version of the llvm because the version 10.x caused such an error:

0  lib/libLLVMBinaryFormat.so.10  lib/libLLVMSupport.so.10  -Wl,-rpath-link,/home/omerguzel/Projects/pocl_example/riscv-gnu-toolchain/build/llvm/build/lib && :
/usr/bin/ld: lib/Object/CMakeFiles/LLVMObject.dir/ArchiveWriter.cpp.o: in function `llvm::writeArchive(llvm::StringRef, llvm::ArrayRef<llvm::NewArchiveMember>, bool, llvm::object::Archive::Kind, bool, bool, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >)':
ArchiveWriter.cpp:(.text._ZN4llvm12writeArchiveENS_9StringRefENS_8ArrayRefINS_16NewArchiveMemberEEEbNS_6object7Archive4KindEbbSt10unique_ptrINS_12MemoryBufferESt14default_deleteIS8_EE+0x1ab6): undefined reference to `llvm::raw_string_ostream::current_pos() const'
/usr/bin/ld: ArchiveWriter.cpp:(.text._ZN4llvm12writeArchiveENS_9StringRefENS_8ArrayRefINS_16NewArchiveMemberEEEbNS_6object7Archive4KindEbbSt10unique_ptrINS_12MemoryBufferESt14default_deleteIS8_EE+0x1ae9): undefined reference to `llvm::raw_string_ostream::current_pos() const'
/usr/bin/ld: ArchiveWriter.cpp:(.text._ZN4llvm12writeArchiveENS_9StringRefENS_8ArrayRefINS_16NewArchiveMemberEEEbNS_6object7Archive4KindEbbSt10unique_ptrINS_12MemoryBufferESt14default_deleteIS8_EE+0x1b16): undefined reference to `llvm::raw_string_ostream::current_pos() const'
/usr/bin/ld: ArchiveWriter.cpp:(.text._ZN4llvm12writeArchiveENS_9StringRefENS_8ArrayRefINS_16NewArchiveMemberEEEbNS_6object7Archive4KindEbbSt10unique_ptrINS_12MemoryBufferESt14default_deleteIS8_EE+0x1b41): undefined reference to `llvm::raw_string_ostream::current_pos() const'
/usr/bin/ld: ArchiveWriter.cpp:(.text._ZN4llvm12writeArchiveENS_9StringRefENS_8ArrayRefINS_16NewArchiveMemberEEEbNS_6object7Archive4KindEbbSt10unique_ptrINS_12MemoryBufferESt14default_deleteIS8_EE+0x1b6e): undefined reference to `llvm::raw_string_ostream::current_pos() const'
/usr/bin/ld: lib/Object/CMakeFiles/LLVMObject.dir/ArchiveWriter.cpp.o:ArchiveWriter.cpp:(.text._ZN4llvm12writeArchiveENS_9StringRefENS_8ArrayRefINS_16NewArchiveMemberEEEbNS_6object7Archive4KindEbbSt10unique_ptrINS_12MemoryBufferESt14default_deleteIS8_EE+0x1bad): more undefined references to `llvm::raw_string_ostream::current_pos() const' follow
collect2: error: ld returned 1 exit status
[1478/2985] Building CXX object lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o
ninja: build stopped: subcommand failed.

atomic_add is not found on Vortex GPU

Hello,
I'm having a kernel that has atomic_add and It can't find it

[2022-08-02 10:27:08.178407820]POCL: in fn void appendToProgramBuildLog(cl_program, unsigned int, std::__cxx11::string&) at line 141:
  |     ERROR |  Error(s) while linking: 
Cannot find symbol _Z10atomic_addPU8CLglobalVjj in kernel library
Cannot find symbol _Z10atomic_incPU8CLglobalVj in kernel library
Cannot find symbol _Z10atomic_minPU8CLglobalVii in kernel library
[2022-08-02 10:27:08.182772764]POCL: in fn compile_and_link_program at line 641:
  |     ERROR | build_error_code pocl_llvm_build_program() failed

Error when run "dogfood/vecadd3/prebuilt.sh"

hi all:
I want to use pocl to build a spirv file, and i thought the script "dogfood/vecadd3/prebuilt.sh" was what i need。
However some error occurs when running the "dogfood/vecadd3/prebuilt.sh" script。
-------------------------------------------
Error Info：
Final POCL_DEBUG flags: FFFFFFFFFFFFFFFF
[2022-11-12 08:02:43.826648145]POCL: in fn pocl_init_devices at line 503:
| GENERAL | Installing SIGFPE handler...
[2022-11-12 08:02:43.826727399]POCL: in fn cl_int pocl_vortex_init(unsigned int, cl_device_id, const char*) at line 236:
| WARNING | INIT dlcache DOTO delete
[2022-11-12 08:02:43.827492932]POCL: in fn POclCreateProgramWithIL at line 66:
| LLVM | SPIR-V binary detected, converting to LLVM SPIR
[2022-11-12 08:02:43.828395629]POCL: in fn pocl_run_command at line 1107:
| GENERAL | Launching: /opt/vortex/llvm-riscv/bin/llvm-spirv
[2022-11-12 08:02:43.844885781]POCL: in fn POclCreateProgramWithIL at line 118:
| GENERAL | Creating context from IL for 1 devices
[2022-11-12 08:02:43.844915612]POCL: in fn compile_and_link_program at line 571:
| LLVM | building program with options (null)
[2022-11-12 08:02:43.845069770]POCL: in fn compile_and_link_program at line 662:
| LLVM | LLVM-SPIR binary detected
[2022-11-12 08:02:43.845093391]POCL: in fn compile_and_link_program at line 679:
| WARNING | SPIR binary provided, but no spir in build options
[2022-11-12 08:02:43.845510064]POCL: in fn llvm::Module* getKernelLibrary(cl_device_id) at line 894:
| LLVM | Using /opt/vortex/pocl/compiler/lib/../share/pocl/kernel-riscv32.bc as the built-in lib.
[2022-11-12 08:02:44.050439298]POCL: in fn int pocl_llvm_link_program(cl_program, unsigned int, char*, cl_uint, unsigned char**, size_t*, void**, int, int) at line 675:
| ERROR | CL_LINK_PROGRAM_FAILURE Device address bits != SPIR binary triple address bits, device: riscv32 / module: @�g�^U
[2022-11-12 08:02:44.050488262]POCL: in fn compile_and_link_program at line 688:
| ERROR | CL_LINK_PROGRAM_FAILURE Failed to link SPIR program.bc
CL_LINK_PROGRAM_FAILURE in main on line 395

---

About my environment：
vortexgpgpu/pocl repo： commit-id 778ef49 @ master (newest)
vortexgpgpu/vortex-toolchain-prebuilt: commit-id c411fbb@master (about 2month ago)

I only change some tool path in the dogfood/vecadd3/prebuilt.sh, no others changes to your code。
The diff is as follows:

compile_riscv_lx_spv()
{
-RISCV_TOOLCHAIN_PATH=/home/blaise/dev/riscv-gnu-toolchain/release_linux64
-LLVM_PREFIX=/home/blaise/dev/llvm-riscv/releaseRV64
-POCL_CC_PATH=/home/blaise/dev/pocl/drops_rvlx64_cc
-POCL_RT_PATH=/home/blaise/dev/pocl/drops_rvlx64_rt
+RISCV_TOOLCHAIN_PATH=/opt/vortex/riscv-gnu-toolchain
+LLVM_PREFIX=/opt/vortex/llvm-riscv
+POCL_CC_PATH=/opt/vortex/pocl/compiler
+POCL_RT_PATH=/opt/vortex/pocl/runtime

Build problem in LLVM

Hi all,

I have a problem in building LLVM with these parameter.

cmake -G Ninja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang" -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" -DLLVM_ABI_BREAKING_CHECKS=FORCE_OFF -DLLVM_INCLUDE_EXAMPLES=OFF -DLLVM_INCLUDE_TESTS=OFF -DBUILD_SHARED_LIBS=True -DCMAKE_INSTALL_PREFIX=$LLVM_PREFIX -DLLVM_BUILD_TESTS=False -DDEFAULT_SYSROOT=$RISCV_TOOLCHAIN_PATH/riscv32-unknown-elf -DLLVM_DEFAULT_TARGET_TRIPLE="riscv32-unknown-elf" -DLLVM_TARGETS_TO_BUILD="RISCV" ../llvm

riscv-toolchain-path is build by this project.

The problem that I face during build process is that it can not link library lib/libLLVMObject.so. The error log is:

[0/5] Performing configure step for 'runtimes'
-- Could NOT find Terminfo (missing: Terminfo_LIBRARIES Terminfo_LINKABLE) 
-- Could NOT find ZLIB (missing: ZLIB_LIBRARY) (found version "1.2.11")
-- Could NOT find Terminfo (missing: Terminfo_LIBRARIES Terminfo_LINKABLE) 
-- Could NOT find ZLIB (missing: ZLIB_LIBRARY) (found version "1.2.11")
CMake Warning at /home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/llvm/cmake/modules/HandleLLVMOptions.cmake:277 (message):
  -fPIC is not supported.
Call Stack (most recent call first):
  /home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/llvm/cmake/modules/HandleLLVMOptions.cmake:324 (add_flag_or_print_warning)
  CMakeLists.txt:149 (include)


-- Using libunwind testing configuration: /home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/libunwind/test/configs/llvm-libunwind-shared.cfg.in
CMake Error at /home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/libunwind/src/CMakeLists.txt:109 (message):
  Compiler doesn't support generation of unwind tables if exception support
  is disabled.  Building libunwind DSO with runtime dependency on C++ ABI
  library is not supported.


-- Configuring incomplete, errors occurred!
See also "/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/runtimes/runtimes-bins/CMakeFiles/CMakeOutput.log".
See also "/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/runtimes/runtimes-bins/CMakeFiles/CMakeError.log".
FAILED: runtimes/runtimes-stamps/runtimes-configure 
cd /home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/runtimes/runtimes-bins && /usr/bin/cmake -DCMAKE_C_COMPILER=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/./bin/clang -DCMAKE_CXX_COMPILER=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/./bin/clang++ -DCMAKE_ASM_COMPILER=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/./bin/clang -DCMAKE_AR=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/./bin/llvm-ar -DCMAKE_RANLIB=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/./bin/llvm-ranlib -DCMAKE_NM=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/./bin/llvm-nm -DCMAKE_OBJDUMP=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/./bin/llvm-objdump -DCMAKE_OBJCOPY=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/./bin/llvm-objcopy -DCMAKE_STRIP=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/./bin/llvm-strip -DCMAKE_READELF=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/./bin/llvm-readelf -DCMAKE_C_COMPILER_TARGET=riscv32-unknown-elf -DCMAKE_CXX_COMPILER_TARGET=riscv32-unknown-elf -DCMAKE_ASM_COMPILER_TARGET=riscv32-unknown-elf -DCMAKE_INSTALL_PREFIX=/home/homidi/Desktop/research/projects/llvm-riscv -DLLVM_BINARY_DIR=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build -DLLVM_CONFIG_PATH=/home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/bin/llvm-config -DLLVM_ENABLE_WERROR=OFF -DLLVM_HOST_TRIPLE=x86_64-unknown-linux-gnu -DLLVM_HAVE_LINK_VERSION_SCRIPT=1 -DLLVM_USE_RELATIVE_PATHS_IN_DEBUG_INFO=OFF -DLLVM_USE_RELATIVE_PATHS_IN_FILES=OFF -DLLVM_LIT_ARGS=-sv -DLLVM_SOURCE_PREFIX= -DPACKAGE_VERSION=15.0.4 -DCMAKE_BUILD_TYPE=Release -DCMAKE_MAKE_PROGRAM=/usr/bin/ninja -DCMAKE_C_COMPILER_LAUNCHER= -DCMAKE_CXX_COMPILER_LAUNCHER= -DCMAKE_EXPORT_COMPILE_COMMANDS=1 -DCOMPILER_RT_BUILD_BUILTINS=Off -DLLVM_INCLUDE_TESTS=OFF -DLLVM_DEFAULT_TARGET_TRIPLE=riscv32-unknown-elf -DLLVM_ENABLE_PROJECTS_USED=ON -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON -DLLVM_BUILD_TOOLS=ON -DCMAKE_C_COMPILER_WORKS=ON -DCMAKE_CXX_COMPILER_WORKS=ON -DCMAKE_ASM_COMPILER_WORKS=ON -DHAVE_LLVM_LIT=ON "-DLLVM_ENABLE_RUNTIMES=libcxx;libcxxabi;libunwind" -GNinja /home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/llvm/runtimes/../../runtimes && /usr/bin/cmake -E touch /home/homidi/Desktop/research/projects/llvm-project-llvmorg-15.0.4/build/runtimes/runtimes-stamps//runtimes-configure
ninja: build stopped: subcommand failed.

I do not have any idea about the problem and how solve this because everything seems to be ok. Is there anybody who has an idea how I can solve this issue?

can't link double-float modules with soft-float modules

Hello,

First off, Merry Christmas and big thanks for bringing out this great project to enhance OpenCL support in riscv.

I was trying to compile natively on a Hifive Unmatched board with a few patches from main pocl/pocl repo to allow compilation on llvm 11+. I defined -DLLC_HOST_CPU=sifive-u74. But when I run poclcc -o kernel.pocl kernel.cl to compile the kernel, I got linker errors can't link double-float modules with soft-float modules. readelf reports the generated tempfile-xx-xx.so.o in kcache is indeed soft float. My whole machine is running on -march=rv64gc -mabi=lp64d.

I have tried specifying CFLAGS="-mabi=lp64d" -DEXTRA_HOST_LLC_FLAGS="-target-abi lp64d -mattr=+d"
and add ss << "-target-abi lp64d -target-feature +d -mattr=+d"; to lib/CL/pocl_llvm_build.cc, but the error is still there.

Do you have any idea how I can get around this issue?