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x86-64: Compile huf_decompress_amd64.S with CMAKE_C_FLAGS#4698

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x86-64: Compile huf_decompress_amd64.S with CMAKE_C_FLAGS#4698
hjl-tools wants to merge 1 commit into
facebook:devfrom
hjl-tools:hjl/cet/dev

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Compile huf_decompress_amd64.S with CMAKE_C_FLAGS to support Intel CET:

  1. Define ZSTD_CET_ENDBRANCH to endbr64 for IBT.
  2. Add IBT and SHSTK markers to huf_decompress_amd64.S.o.

This fixes issue #4535.

Compile huf_decompress_amd64.S with CMAKE_C_FLAGS to support Intel CET:

1. Define ZSTD_CET_ENDBRANCH to endbr64 for IBT.
2. Add IBT and SHSTK markers to huf_decompress_amd64.S.o.

This fixes issue facebook#4535.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
@meta-cla meta-cla Bot added the CLA Signed label Jun 16, 2026
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