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4 Commits

Author SHA1 Message Date
Sebastian Neubauer 8756869170 [AMDGPU] Add a16 feature to gfx10 
Based on D72931

This adds a new feature called A16 which is enabled for gfx10.
gfx9 keeps the R128A16 feature so it can share all the instruction encodings
with gfx7/8.

Differential Revision: https://reviews.llvm.org/D73956
 2020-02-10 09:04:23 +01:00
Sebastian Neubauer 163e33b290 [AMDGPU] Fix lowering a16 image intrinsics 
scalar_to_vector takes only one argument, not two.
The a16 tests now also check the packing of coordinates into registers

Differential Revision: https://reviews.llvm.org/D73482
 2020-02-05 10:54:34 +01:00
Sebastian Neubauer 3bc7ffdaab [AMDGPU] Use v3f32 type in image instructions 
This should lower the amount of used registers for gfx9.

I updated some of the changed tests with the update script because
changing them by hand is tedious.

Differential Revision: https://reviews.llvm.org/D73884
 2020-02-05 10:35:41 +01:00
Ryan Taylor 1f334d0062 [AMDGPU] Add support for a16 modifiear for gfx9 
Summary:
Adding support for a16 for gfx9. A16 bit replaces r128 bit for gfx9.

Change-Id: Ie8b881e4e6d2f023fb5e0150420893513e5f4841

Subscribers: arsenm, kzhuravl, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, jfb, llvm-commits

Differential Revision: https://reviews.llvm.org/D50575

llvm-svn: 340831
 2018-08-28 15:07:30 +00:00