Commit Graph

14 Commits

Author SHA1 Message Date
Nicolai Haehnle e204786b6c AMDGPU: add missing llvm.amdgcn.{raw,struct}.buffer.atomic.{inc,dec}
Summary:
Wrapping increment/decrement. These aren't exposed by many APIs...

Change-Id: I1df25c7889de5a5ba76468ad8e8a2597efa9af6c

Reviewers: arsenm, tpr, dstuttard

Subscribers: kzhuravl, jvesely, wdng, yaxunl, t-tye, jfb, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65283

llvm-svn: 367821
2019-08-05 09:36:06 +00:00
Stanislav Mekhanoshin e67cc380a8 [AMDGPU] gfx908 mfma support
Differential Revision: https://reviews.llvm.org/D64584

llvm-svn: 365824
2019-07-11 21:19:33 +00:00
Stanislav Mekhanoshin 2bda177da0 [AMDGPU] ImmArg and SourceOfDivergence for permlane/dpp
Added missing ImmArg and SourceOfDivergence to the crosslane
intrinsics.

Differential Revision: https://reviews.llvm.org/D63216

llvm-svn: 363276
2019-06-13 16:31:51 +00:00
Tim Renouf 59e8bd3093 [AMDGPU] Flag new raw/struct atomic ops as source of divergence
Differential Revision: https://reviews.llvm.org/D60731

Change-Id: I821d93dec8b9cdd247b8172d92fb5e15340a9e7d
llvm-svn: 358579
2019-04-17 14:04:31 +00:00
Tim Corringham 824ca3f3dd [AMDGPU] Add intrinsics for 16 bit interpolation
Summary:
Added the intrinsics llvm.amdgcn.interp.p1.f16() and
llvm.amdgcn.interp.p2.f16() and related LIT test.

The p1 intrinsic generates code appropriate for both 16 and 32
bank LDS.

Reviewers: #amdgpu, dstuttard, arsenm, tpr

Reviewed By: #amdgpu, arsenm

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

Differential Revision: https://reviews.llvm.org/D46754

llvm-svn: 352357
2019-01-28 13:48:59 +00:00
Chandler Carruth 2946cd7010 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00
Marek Olsak c5cec5e1fa AMDGPU: Add llvm.amdgcn.ds.ordered.add & swap
Reviewers: arsenm, nhaehnle

Subscribers: kzhuravl, jvesely, wdng, yaxunl, dstuttard, tpr, t-tye, llvm-commits

Differential Revision: https://reviews.llvm.org/D52944

llvm-svn: 351351
2019-01-16 15:43:53 +00:00
Nicolai Haehnle db6911a6f9 AMDGPU: Remove old-style image intrinsics
Summary:
This also removes the need for atomic pseudo instructions, since
we select the correct encoding directly in SITargetLowering::lowerImage
for dimension-aware image intrinsics.

Mesa uses dimension-aware image intrinsics since
commit a9a7993441.

Change-Id: I7473d20009476a4ed6d919cae4e6dca9ff42e77a

Reviewers: arsenm, rampitec, mareko, tpr, b-sumner

Subscribers: kzhuravl, wdng, yaxunl, dstuttard, t-tye, llvm-commits

Differential Revision: https://reviews.llvm.org/D48167

llvm-svn: 335231
2018-06-21 13:37:45 +00:00
Nicolai Haehnle 7a9c03f484 AMDGPU: Select MIMG instructions manually in SITargetLowering
Summary:
Having TableGen patterns for image intrinsics is hitting limitations:
for D16 we already have to manually pre-lower the packing of data
values, and we will have to do the same for A16 eventually.

Since there is already some custom C++ code anyway, it is arguably easier
to just do everything in C++, now that we can use the beefed-up generic
tables backend of TableGen to provide all the required metadata and map
intrinsics to corresponding opcodes. With this approach, all image
intrinsic lowering happens in SITargetLowering::lowerImage. That code is
dense due to all the cases that it handles, but it should still be easier
to follow than what we had before, by virtue of it all being done in a
single location, and by virtue of not relying on the TableGen pattern
magic that very few people really understand.

This means that we will have MachineSDNodes with MIMG instructions
during DAG combining, but that seems alright: previously we had
intrinsic nodes instead, but those are similarly opaque to the generic
CodeGen infrastructure, and the final pattern matching just did a 1:1
translation to machine instructions anyway. If anything, the fact that
we now merge the address words into a vector before DAG combine should
be an advantage.

Change-Id: I417f26bd88f54ce9781c1668acc01f3f99774de6

Reviewers: arsenm, rampitec, rtaylor, tstellar

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

Differential Revision: https://reviews.llvm.org/D48017

llvm-svn: 335228
2018-06-21 13:36:57 +00:00
Nicolai Haehnle 0ab200b6c9 AMDGPU: Refactor MIMG instruction TableGen using generic tables
Summary:
This allows us to access rich information about MIMG opcodes from C++ code.
Simplifying the mapping between equivalent opcodes of different data size
becomes quite natural.

This also flattens the MIMG-related class and multiclass hierarchy a little,
and collapses together some of the scaffolding for sample and gather4 opcodes.

Change-Id: I1a2549fdc1e881ff100e5393d2d87e73729a0ccd

Reviewers: arsenm, rampitec

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

Differential Revision: https://reviews.llvm.org/D48016

llvm-svn: 335227
2018-06-21 13:36:44 +00:00
Nicolai Haehnle e741d7e0fd AMDGPU: Use generic tables instead of SearchableTable
Summary:

Reviewers: arsenm, rampitec

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

Differential Revision: https://reviews.llvm.org/D48014

Change-Id: Ibb43f90d955275571aff17d0c3ecfb5e5b299641
llvm-svn: 335226
2018-06-21 13:36:33 +00:00
Nicolai Haehnle 2f5a73820c AMDGPU: Dimension-aware image intrinsics
Summary:
These new image intrinsics contain the texture type as part of
their name and have each component of the address/coordinate as
individual parameters.

This is a preparatory step for implementing the A16 feature, where
coordinates are passed as half-floats or -ints, but the Z compare
value and texel offsets are still full dwords, making it difficult
or impossible to distinguish between A16 on or off in the old-style
intrinsics.

Additionally, these intrinsics pass the 'texfailpolicy' and
'cachectrl' as i32 bit fields to reduce operand clutter and allow
for future extensibility.

v2:
- gather4 supports 2darray images
- fix a bug with 1D images on SI

Change-Id: I099f309e0a394082a5901ea196c3967afb867f04

Reviewers: arsenm, rampitec, b-sumner

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

Differential Revision: https://reviews.llvm.org/D44939

llvm-svn: 329166
2018-04-04 10:58:54 +00:00
Nicolai Haehnle 4254d45a79 AMDGPU: Make isIntrinsicSourceOfDivergence table-driven
Summary:
This is in preparation for the new dimension-aware image intrinsics,
which I'd rather not have to list here by hand.

Change-Id: Iaa16e3a635a11283918ce0d9e1e618591b0bf6fa

Reviewers: arsenm, rampitec, b-sumner

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

Differential Revision: https://reviews.llvm.org/D44938

llvm-svn: 328939
2018-04-01 17:09:14 +00:00
Nicolai Haehnle 5d0d30304c AMDGPU: Make getTgtMemIntrinsic table-driven for resource-based intrinsics
Summary:
Avoids having to list all intrinsics manually.

This is in preparation for the new dimension-aware image intrinsics,
which I'd rather not have to list here by hand.

Change-Id: If7ced04998397ef68c4cb8f7de66b5050fb767e5

Reviewers: arsenm, rampitec, b-sumner

Subscribers: kzhuravl, wdng, mgorny, yaxunl, dstuttard, tpr, llvm-commits, t-tye

Differential Revision: https://reviews.llvm.org/D44937

llvm-svn: 328938
2018-04-01 17:09:07 +00:00