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tstellar merged 1 commit into from
Feb 21, 2025
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AMDGPU: Add some release 20 notes #128136

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11 changes: 11 additions & 0 deletions llvm/docs/ReleaseNotes.md
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Expand Up @@ -159,6 +159,17 @@ Changes to the AArch64 Backend
Changes to the AMDGPU Backend
-----------------------------

* Initial support for gfx950

* Improved ``llvm.memcpy``, ``llvm.memmove`` and ``llvm.memset`` lowering

* Fixed expansion of 64-bit flat address space ``atomicrmw`` and
``cmpxchg`` operations which may access private
memory. `noalias.addrspace` metadat may be used to avoid the
expansion if the target address is known to not be on the stack.

* Fix compile failures when emitting unreachable functions.

* Removed `llvm.amdgcn.flat.atomic.fadd` and
`llvm.amdgcn.global.atomic.fadd` intrinsics. Users should use the
{ref}`atomicrmw <i_atomicrmw>` instruction with `fadd` and
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