Comment # 5
on bug 100067
from Mig
minimal.cpp compiled with gcc -c minimal.cpp -g -o minimal.o [miguel@antergos-mig extra]$ gdb GNU gdb (GDB) 7.12.1 Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word". (gdb) file ./minimal Reading symbols from ./minimal...done. (gdb) b 20 Breakpoint 1 at 0x400cee: file minimal.cpp, line 20. (gdb) run Starting program: /home/miguel/Dokumente/OpenCLExamples/myGEMM-master/extra/minimal >>> Initializing OpenCL... [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". [New Thread 0x7fffef7f8700 (LWP 3517)] [New Thread 0x7fffeedf2700 (LWP 3518)] [New Thread 0x7fffee5f1700 (LWP 3519)] [New Thread 0x7fffeddf0700 (LWP 3520)] [New Thread 0x7fffed5ef700 (LWP 3521)] % Device: AMD TONGA (DRM 3.9.0 / 4.10.4-1-ARCH, LLVM 3.9.1), 2046.3 MiB memory, max allocation 1432.4 MiB, driver 17.0.1 Thread 1 "minimal" received signal SIGSEGV, Segmentation fault. 0x00007ffff2b9eb18 in llvm::SIInstrInfo::getInstSizeInBytes(llvm::MachineInstr const&) const () from /usr/lib/libLLVM-3.9.so (gdb) Also when I compile minimal.cl with clang -x cl -target amdgcn-- -mcpu=tonga -Dcl_clang_storage_class_specifiers=1 -Xclang -mlink-bitcode-file -Xclang /usr/local/lib/clc/tonga-amdgcn--.bc -I/usr/local/include/clc -include /usr/local/include/clc/clc.h minimal.cl '+fp64-fp16-denormals' is not a recognized feature for this target (ignoring feature) '+fp64-fp16-denormals' is not a recognized feature for this target (ignoring feature) minimal.cl:2:15: error: unsupported call to function get_global_id.3 __kernel void myGEMM1(const int M, ^ minimal.cl:2:15: error: unsupported call to function get_global_id.3 clang-3.9: /home/miguel/Downloads/llvm-3.9.1.src/lib/Target/AMDGPU/SIInstrInfo.cpp:2428: void llvm::SIInstrInfo::legalizeOperands(llvm::MachineInstr&) const: Assertion `MBB.getParent()->getSubtarget<SISubtarget>().getGeneration() < SISubtarget::VOLCANIC_ISLANDS && "FIXME: Need to emit flat atomics here"' failed. #0 0x00007efe68ec1662 llvm::sys::PrintStackTrace(llvm::raw_ostream&) /home/miguel/Downloads/llvm-3.9.1.src/lib/Support/Unix/Signals.inc:402:0 ... I get errors.
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