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Author SHA1 Message Date
Fangrui Song ecd6d7254e [test] llvm/test/: change llvm-objdump single-dash long options to double-dash options 
As announced here: http://lists.llvm.org/pipermail/llvm-dev/2019-April/131786.html

Grouped option syntax (POSIX Utility Conventions) does not play well with -long-option
A subsequent change will reject -long-option.
 2020-03-15 17:46:23 -07:00
Cullen Rhodes adb1d74bf9 [AArch64][SVE2] Asm: support SVE2 Narrowing Group 
Summary:
Patch adds support for the following instructions:

SVE2 bitwise shift right narrow:
    * SQSHRUNB, SQSHRUNT, SQRSHRUNB, SQRSHRUNT, SHRNB, SHRNT, RSHRNB, RSHRNT,
      SQSHRNB, SQSHRNT, SQRSHRNB, SQRSHRNT, UQSHRNB, UQSHRNT, UQRSHRNB,
      UQRSHRNT

SVE2 integer add/subtract narrow high part:
    * ADDHNB, ADDHNT, RADDHNB, RADDHNT, SUBHNB, SUBHNT, RSUBHNB, RSUBHNT

SVE2 saturating extract narrow:
    * SQXTNB, SQXTNT, UQXTNB, UQXTNT, SQXTUNB, SQXTUNT

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

Reviewed By: SjoerdMeijer

Differential Revision: https://reviews.llvm.org/D62205

llvm-svn: 361624
 2019-05-24 10:22:30 +00:00