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[AArch64][SVE2] Asm: add integer multiply-add long instructions

Authored by c-rhodes on May 17 2019, 2:19 AM.

Description

[AArch64][SVE2] Asm: add integer multiply-add long instructions

Summary:
Patch adds support for indexed and unpredicated vectors forms of the
following instructions:

  • SMLALB, SMLALT, UMLALB, UMLALT, SMLSLB, SMLSLT, UMLSLB, UMLSLT

The specification can be found here:
https://developer.arm.com/docs/ddi0602/latest

Reviewed By: rovka

Differential Revision: https://reviews.llvm.org/D61951

llvm-svn: 361003

Details

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