https://bugs.kde.org/show_bug.cgi?id=449494
Bug ID: 449494
Summary: arm64: Mismatch detected between RDMA and atomics
features
Product: valgrind
Version: 3.18.1
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: jsew...@acm.org
Reporter: m...@klomp.org
CC: assad.has...@linaro.org
Target Milestone: ---
In VEX/priv/main_main.c (check_hwcaps) we have:
Bool have_rdm = ((hwcaps & VEX_HWCAPS_ARM64_RDM) != 0);
Bool have_atomics = ((hwcaps & VEX_HWCAPS_ARM64_ATOMICS) != 0);
if (have_rdm != have_atomics)
invalid_hwcaps(arch, hwcaps,
"Mismatch detected between RDMA and atomics features.\n");
This was added as part of https://bugs.kde.org/show_bug.cgi?id=414268 commit
cb52fee5ddbc2c0e936fd1efe5107a1afcf375cf "Bug 414268 - Enable AArch64 feature
detection and decoding for v8.x instruct
ions (where x>0)"
But there are (virtual) machines out there that don't have that (RDM and
ATOMICS) combination. So we refuse to run on those.
VEX: Mismatch detected between RDMA and atomics features.
Found: v8-rdm
Cannot continue. Good-bye
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