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4 Commits

Author SHA1 Message Date
Matt Arsenault 1349a04ef5 AMDGPU: Make v2i16/v2f16 legal on VI 
This usually results in better code. Fixes using
inline asm with short2, and also fixes having a different
ABI for function parameters between VI and gfx9.

Partially cleans up the mess used for lowering of the d16
operations. Making v4f16 legal will help clean this up more,
but this requires additional work.

llvm-svn: 332953
 2018-05-22 06:32:10 +00:00
Stanislav Mekhanoshin c078ca92eb [AMDGPU] Remove non-temporal flag from argument loads 
Kernel arguments likely read by all workitems and should not bypass
cache. Fixes performance hit in sub-dword argument loads.

Differential Revision: https://reviews.llvm.org/D43249

llvm-svn: 325146
 2018-02-14 18:05:14 +00:00
Changpeng Fang 29fcf883fb AMDGPU/SI: Adjust the encoding family for D16 buffer instructions when the target has UnpackedD16VMem feature. 
Reviewers:
  Matt and Brian

Differential Revision:
  https://reviews.llvm.org/D42548

llvm-svn: 323988
 2018-02-01 18:41:33 +00:00
Changpeng Fang 44dfa1de3b AMDGPU/SI: Add d16 support for buffer intrinsics. 
Differential Revision:
  https://reviews.llvm.org/D38906

Reviewers:
  Matt and Brian.

llvm-svn: 322402
 2018-01-12 21:12:19 +00:00