llvm / llvm/llvm-project

[Meta][X86] Improve PMADD codegen

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#223,361 1 comment 0 reactions 0 assignees View on GitHub
backend:X86 metaissue missed-optimization
Dominant language
LLVM
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Description

Umbrella ticket for various PMADDWD/PMADDUBSW codegen issues (and indirectly VNNI instructions)

Contributor guide

Open the contributing guide

Research direction

Start by reviewing the PMADDWD and PMADDUBSW codegen issues covered by this umbrella ticket, including their indirect relationship to VNNI instructions. The issue does not name files, tests, or an entry point, so completion criteria must be established by breaking the umbrella scope into specific codegen tasks.

Written by the indexing model from the issue text.

Assessment

Domain
compilers
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
25/100

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