[clang][x86] Add release note entries describing recent work to making SSE intrinsics generic and usable with constexpr #154737
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…g SSE intrinsics generic and usable with constexpr I haven't created an exhaustive list of intrinsic changes, but I suppose I could if people see a strong need for it.
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@llvm/pr-subscribers-clang Author: Simon Pilgrim (RKSimon) ChangesI haven't created an exhaustive list of intrinsic changes, but I suppose I could if people see a strong need for it. Full diff: https://github.com/llvm/llvm-project/pull/154737.diff 1 Files Affected:
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index fe1dd15c6f885..83e93d487a54e 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -292,6 +292,13 @@ NVPTX Support
X86 Support
^^^^^^^^^^^
+- More SSE, AVX and AVX512 intrinsics, including initializers and general
+ arithmetic can now be used in C++ constant expressions.
+- Some SSE, AVX and AVX512 intrinsics have been converted to wrap
+ generic __builtin intrinsics.
+- NOTE: Please avoid use of the __builtin_ia32_* intrinsics - these are not
+ guaranteed to exist in future releases, or match behaviour with previous
+ releases of clang or other compilers.
Arm and AArch64 Support
^^^^^^^^^^^^^^^^^^^^^^^
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I haven't created an exhaustive list of intrinsic changes, but I suppose I could if people see a strong need for it.