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Merged
merged 2 commits into from
Feb 7, 2024
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[AArch64] Add some release notes items #79983

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d647f6a
[AArch64] Add some release notes items
momchil-velikov Jan 30, 2024
52cece9
Merge branch 'release/18.x' into release/18.x
tstellar Feb 7, 2024
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5 changes: 5 additions & 0 deletions clang/docs/ReleaseNotes.rst
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Expand Up @@ -1167,6 +1167,11 @@ Arm and AArch64 Support
* Cortex-A720 (cortex-a720).
* Cortex-X4 (cortex-x4).

- Alpha support has been added for SVE2.1 intrinsics.

- Support has been added for `-fstack-clash-protection` and `-mstack-probe-size`
command line options.

- Function Multi Versioning has been extended to support Load-Acquire RCpc
instructions v3 (rcpc3) as well as Memory Copy and Memory Set Acceleration
instructions (mops) when targeting AArch64. The feature identifiers (in
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8 changes: 8 additions & 0 deletions llvm/docs/ReleaseNotes.rst
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Expand Up @@ -105,6 +105,14 @@ Changes to the AArch64 Backend
Armv9.0a has the same features enabled as Armv8.5a, with the exception
of crypto.

* Assembler/disassembler support has been added for 2023 architecture
extensions.

* Support has been added for Stack Clash Protection. During function frame
creation and dynamic stack allocations, the compiler will issue memory
accesses at reguilar intervals so that a guard area at the top of the stack
can't be skipped over.

Changes to the AMDGPU Backend
-----------------------------

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