Commit Graph

4 Commits

Author SHA1 Message Date
Cullen Rhodes 2c0d5043a7 [AArch64][SVE] Asm: add aliases for unpredicated bitwise logical instructions
This patch adds aliases for element sizes .B/.H/.S to the
AND/ORR/EOR/BIC bitwise logical instructions. The assembler now accepts
these instructions with all element sizes up to 64-bit (.D). The
preferred disassembly is .D.

llvm-svn: 359457
2019-04-29 15:27:27 +00:00
Sander de Smalen e64206a02c [AArch64][SVE] Asm: Enable instructions to be prefixed.
This patch enables instructions that are destructive on their
destination- and first source operand, to be prefixed with a
MOVPRFX instruction.

This patch also adds a variety of tests:

- positive tests for all instructions and forms that accept a
  movprfx for either or both predicated and unpredicated forms.

- negative tests for all instructions and forms that do not accept
  an unpredicated or predicated movprfx.

- negative tests for the diagnostics that get emitted when a MOVPRFX
  instruction is used incorrectly.

This is patch [2/2] in a series to add MOVPRFX instructions:
- Patch [1/2]: https://reviews.llvm.org/D49592
- Patch [2/2]: https://reviews.llvm.org/D49593

Reviewers: rengolin, SjoerdMeijer, samparker, fhahn, javed.absar

Reviewed By: SjoerdMeijer

Differential Revision: https://reviews.llvm.org/D49593

llvm-svn: 338261
2018-07-30 16:05:45 +00:00
Sander de Smalen 279b7e74e7 [AArch64][SVE] Asm: Support for bitwise operations on predicate vectors.
This patch adds support for instructions performing bitwise operations
on predicate vectors, including AND, BIC, EOR, NAND, NOR, ORN, ORR, and
their status flag setting variants ANDS, BICS, EORS, NANDS, ORNS, ORRS.

This patch also adds several aliases:

  orr  p0.b, p1/z, p1.b, p1.b  => mov  p0.b, p1.b
  orrs p0.b, p1/z, p1.b, p1.b  => movs p0.b, p1.b

  and  p0.b, p1/z, p2.b, p2.b  => mov  p0.b, p1/z, p2.b
  ands p0.b, p1/z, p2.b, p2.b  => movs p0.b, p1/z, p2.b

  eor  p0.b, p1/z, p2.b, p1.b  => not  p0.b, p1/z, p2.b
  eors p0.b, p1/z, p2.b, p1.b  => nots p0.b, p1/z, p2.b

llvm-svn: 334906
2018-06-17 10:48:21 +00:00
Sander de Smalen 26b9b2a8c3 [AArch64][SVE] Asm: Support for AND, ORR, EOR and BIC instructions.
This patch addresses the following variants:
  - bitmask immediate,         e.g. 'and z0.d, z0.d, #0x6'.
  - unpredicated data vectors, e.g. 'and z0.d, z1.d, z2.d'.
  - predicated data vectors,   e.g. 'and z0.d, p0/m, z0.d, z1.d'.

And also several aliases, such as: 
  - ORN, alias of ORR.
  - EON, alias of EOR.
  - BIC, alias of AND (immediate variant)
  - MOV, alias of ORR (if unpredicated and source register operands are the same)

Reviewers: rengolin, huntergr, fhahn, samparker, SjoerdMeijer, javed.absar

Reviewed By: fhahn

Differential Revision: https://reviews.llvm.org/D47363

llvm-svn: 333414
2018-05-29 13:08:43 +00:00