HomePhabricator

[X86] Allow PTILEZEROV and PTILELOADDV to be rematerializable

Authored by pengfei on Feb 26 2021, 5:20 AM.

Description

[X86] Allow PTILEZEROV and PTILELOADDV to be rematerializable

Spilling and reloading AMX registers are expensive. We allow PTILEZEROV
and PTILELOADDV to be rematerializable to avoid the register spilling.

Reviewed By: LuoYuanke

Differential Revision: https://reviews.llvm.org/D97453

Details

Committed
pengfeiFeb 26 2021, 5:55 AM
Reviewer
LuoYuanke
Differential Revision
D97453: [X86] Allow PTILEZEROV and PTILELOADDV to be rematerializable
Parents
rG56774bdda578: [mlir] Replace deprecated 'getAttrs'
Branches
Unknown
Tags
Unknown