https://bugs.kde.org/show_bug.cgi?id=369459
--- Comment #13 from Andrew Pinski ---
(In reply to Julian Seward from comment #12)
> Andrew, do you know how well Maran's proposal
> https://bugs.kde.org/show_bug.cgi?id=344524#c8 worked on MIPS64r3 (Octeon 3)
> ?
> IOW is it worth taking and generalis
https://bugs.kde.org/show_bug.cgi?id=369459
--- Comment #10 from Andrew Pinski ---
>Andrew, is there a way to automatically detect the relevant cores at
startup time
You could scan /proc/cpuinfo for the "CPU implementer" value of 0x43 ('C') but
that only catches the current cores which have this
https://bugs.kde.org/show_bug.cgi?id=369509
Andrew Pinski changed:
What|Removed |Added
Summary|ARMv8.1 LSE instructions|ARMv8.1-a LSE instructions
|a
https://bugs.kde.org/show_bug.cgi?id=369509
Bug ID: 369509
Summary: ARMv8.1 LSE instructions are not supported
Product: valgrind
Version: 3.12 SVN
Platform: Other
OS: other
Status: UNCONFIRMED
Severity: gr
https://bugs.kde.org/show_bug.cgi?id=369459
--- Comment #5 from Andrew Pinski ---
Opps pressed save too soon.
One idea I have is to pattern match on the ldxr/stxr sequence and produce a
single instruction in the IR and then decode them after the fact.
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https://bugs.kde.org/show_bug.cgi?id=369459
--- Comment #4 from Andrew Pinski ---
(In reply to Julian Seward from comment #3)
> Andrew, do you know which implementation this is? eg is it a Cortex
> A-something,
> or something else?
It is a custom ARMv8-a core produced by Cavium. It is not a co
https://bugs.kde.org/show_bug.cgi?id=369459
--- Comment #1 from Andrew Pinski ---
This is very much related to https://bugs.kde.org/show_bug.cgi?id=344524 (which
is recorded for MIPS and it just happens both are Cavium cores too).
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https://bugs.kde.org/show_bug.cgi?id=369459
Bug ID: 369459
Summary: valgrind on arm64 violates the ARMv8 spec (ldxr/stxr)
Product: valgrind
Version: 3.12 SVN
Platform: Compiled Sources
OS: Linux
Status: UNCONFIRMED
