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Diffstat (limited to 'results/classifier/118/review/1934')
| -rw-r--r-- | results/classifier/118/review/1934 | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/results/classifier/118/review/1934 b/results/classifier/118/review/1934 new file mode 100644 index 000000000..2df9479ba --- /dev/null +++ b/results/classifier/118/review/1934 @@ -0,0 +1,84 @@ +TCG: 0.916 +graphic: 0.833 +performance: 0.767 +PID: 0.708 +socket: 0.691 +mistranslation: 0.677 +semantic: 0.673 +device: 0.671 +ppc: 0.671 +files: 0.668 +VMM: 0.656 +arm: 0.653 +architecture: 0.622 +kernel: 0.621 +network: 0.620 +vnc: 0.615 +register: 0.596 +risc-v: 0.568 +debug: 0.554 +peripherals: 0.507 +hypervisor: 0.481 +boot: 0.479 +permissions: 0.471 +user-level: 0.424 +KVM: 0.412 +assembly: 0.402 +virtual: 0.308 +i386: 0.206 +x86: 0.055 +-------------------- +TCG: 0.648 +files: 0.255 +debug: 0.093 +kernel: 0.068 +register: 0.039 +VMM: 0.034 +hypervisor: 0.030 +PID: 0.027 +risc-v: 0.027 +performance: 0.024 +KVM: 0.021 +semantic: 0.012 +device: 0.010 +virtual: 0.009 +architecture: 0.009 +assembly: 0.008 +vnc: 0.006 +user-level: 0.004 +boot: 0.004 +socket: 0.003 +peripherals: 0.003 +network: 0.002 +graphic: 0.002 +permissions: 0.001 +mistranslation: 0.001 +ppc: 0.000 +arm: 0.000 +x86: 0.000 +i386: 0.000 + +Build failure on s390x with Clang 17 due to int128 alignment used in `__sync_` operations +Description of problem: +We experienced this downstream, but filing this here since the code still seems to be the same in git. + +https://reviews.llvm.org/D143813 introduced this warning since, according to the description, `__int128` +needs to be 8-byte aligned on s390 but the code in `host/include/generic/host/atomic128-ldst.h` unconditionally uses 16-byte alignment. + +The output is: + +``` +In file included from ../accel/tcg/cputlb.c:32: +In file included from /builddir/build/BUILD/qemu-8.1.0/include/exec/helper-proto-common.h:10: +In file included from /builddir/build/BUILD/qemu-8.1.0/include/qemu/atomic128.h:62: +/builddir/build/BUILD/qemu-8.1.0/host/include/generic/host/atomic128-ldst.h:68:15: error: __sync builtin operation MUST have natural alignment (consider using __atomic). [-Werror,-Wsync-alignment] + 68 | } while (!__sync_bool_compare_and_swap_16(ptr_align, old, new.i)); + | ^ +In file included from ../accel/tcg/cputlb.c:32: +In file included from /builddir/build/BUILD/qemu-8.1.0/include/exec/helper-proto-common.h:10: +In file included from /builddir/build/BUILD/qemu-8.1.0/include/qemu/atomic128.h:61: +/builddir/build/BUILD/qemu-8.1.0/host/include/generic/host/atomic128-cas.h:36:11: error: __sync builtin operation MUST have natural alignment (consider using __atomic). [-Werror,-Wsync-alignment] + 36 | r.i = __sync_val_compare_and_swap_16(ptr_align, c.i, n.i); + | ^ +2 errors generated. +``` |