[AArch64][SVE2] Asm: add PMULLB/PMULLT instructions

This patch adds support for the polynomial multiplication instructions
PMULLB/PMULLT. The 64-bit source and 128-bit destination element
variants are enabled with crypto extensions (+sve2-aes), similar to the
NEON PMULL2 instruction. All other variants are enabled with +sve2.

The specification can be found here:

Reviewed By: SjoerdMeijer

Differential Revision: https://reviews.llvm.org/D62145

llvm-svn: 361619
10 files changed
tree: 0872a4673cf6e46852e86c1c49f16e22a3ad3752
  1. .arcconfig
  2. .clang-format
  3. .clang-tidy
  4. .gitignore
  5. README.md
  6. clang-tools-extra/
  7. clang/
  8. compiler-rt/
  9. debuginfo-tests/
  10. libclc/
  11. libcxx/
  12. libcxxabi/
  13. libunwind/
  14. lld/
  15. lldb/
  16. llgo/
  17. llvm/
  18. openmp/
  19. parallel-libs/
  20. polly/
  21. pstl/

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