1 files changed, 85 insertions, 0 deletions
diff --git a/results/classifier/118/all/1904259 b/results/classifier/118/all/1904259
new file mode 100644
index 000000000..fc1fadb20
--- /dev/null
+++ b/results/classifier/118/all/1904259
@@ -0,0 +1,85 @@
+graphic: 0.935
+virtual: 0.929
+performance: 0.927
+register: 0.925
+arm: 0.922
+device: 0.922
+peripherals: 0.910
+ppc: 0.901
+semantic: 0.896
+architecture: 0.896
+hypervisor: 0.895
+assembly: 0.893
+user-level: 0.890
+debug: 0.887
+vnc: 0.886
+PID: 0.885
+TCG: 0.882
+KVM: 0.870
+permissions: 0.870
+i386: 0.861
+VMM: 0.858
+socket: 0.856
+risc-v: 0.844
+x86: 0.838
+network: 0.837
+kernel: 0.829
+boot: 0.828
+files: 0.752
+mistranslation: 0.741
+
+include/qemu/atomic.h:495:5: error: misaligned atomic operation may incur significant performance penalty (Clang 11; Ubuntu 16 i686)
+
+Hello.
+I haven't found any "official" executables, for emulating RISC-V (32bit; 64bit) so I had to compile those myself.
+
+I found that auto-generated build scripts, for Ninja, contained some warnings interpreted as errors:
+
+
+oceanfish81@gollvm:~/Desktop/qemu/build$ ninja -j 1
+[2/1977] Compiling C object libqemuutil.a.p/util_qsp.c.o
+FAILED: libqemuutil.a.p/util_qsp.c.o 
+clang-11 -Ilibqemuutil.a.p -I. -I.. -Iqapi -Itrace -Iui -Iui/shader -I/usr/include/glib-2.0 -I/usr/lib/i386-linux-gnu/glib-2.0/include -I/usr/include/gio-unix-2.0/ -Xclang -fcolor-diagnostics -pipe -Wall -Winvalid-pch -Werror -std=gnu99 -O2 -g -m32 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv -Wold-style-definition -Wtype-limits -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wempty-body -Wnested-externs -Wendif-labels -Wexpansion-to-defined -Wno-initializer-overrides -Wno-missing-include-dirs -Wno-shift-negative-value -Wno-string-plus-int -Wno-typedef-redefinition -Wno-tautological-type-limit-compare -Wno-psabi -fstack-protector-strong -isystem /home/oceanfish81/Desktop/qemu/linux-headers -isystem linux-headers -iquote /home/oceanfish81/Desktop/qemu/tcg/i386 -iquote . -iquote /home/oceanfish81/Desktop/qemu -iquote /home/oceanfish81/Desktop/qemu/accel/tcg -iquote /home/oceanfish81/Desktop/qemu/include -iquote /home/oceanfish81/Desktop/qemu/disas/libvixl -pthread -Wno-unused-function -fPIC -MD -MQ libqemuutil.a.p/util_qsp.c.o -MF libqemuutil.a.p/util_qsp.c.o.d -o libqemuutil.a.p/util_qsp.c.o -c ../util/qsp.c
+In file included from ../util/qsp.c:62:
+In file included from /home/oceanfish81/Desktop/qemu/include/qemu/thread.h:4:
+In file included from /home/oceanfish81/Desktop/qemu/include/qemu/processor.h:10:
+/home/oceanfish81/Desktop/qemu/include/qemu/atomic.h:495:5: error: misaligned atomic operation may incur significant performance penalty [-Werror,-Watomic-alignment]
+    qatomic_set__nocheck(ptr, val);
+    ^
+/home/oceanfish81/Desktop/qemu/include/qemu/atomic.h:138:5: note: expanded from macro 'qatomic_set__nocheck'
+    __atomic_store_n(ptr, i, __ATOMIC_RELAXED)
+    ^
+/home/oceanfish81/Desktop/qemu/include/qemu/atomic.h:485:12: error: misaligned atomic operation may incur significant performance penalty [-Werror,-Watomic-alignment]
+    return qatomic_read__nocheck(ptr);
+           ^
+/home/oceanfish81/Desktop/qemu/include/qemu/atomic.h:129:5: note: expanded from macro 'qatomic_read__nocheck'
+    __atomic_load_n(ptr, __ATOMIC_RELAXED)
+    ^
+2 errors generated.
+ninja: build stopped: subcommand failed.
+
+
+
+$ python3.7 ../meson/meson.py --version
+0.55.3
+
+$ clang-11 --version
+Ubuntu clang version 11.0.0-++20200721055954+cebd637c886-1~exp1~20200721161335.13
+Target: i686-pc-linux-gnu
+Thread model: posix
+
+$ ninja --version
+1.10.0.git.kitware.jobserver-1
+
+$ uname -a
+Linux laptop 4.15.0-123-generic #126~16.04.1-Ubuntu SMP Wed Oct 21 13:51:51 UTC 2020 i686 i686 i686 GNU/Linux
+
+
+Solved by removing -Werror flag
+
+Do you still get the warning with the latest version of QEMU (v6.0)?
+
+[Expired for QEMU because there has been no activity for 60 days.]
+
+[Expired for Ubuntu because there has been no activity for 60 days.]
+