maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[NFC][AMDGPU] Clarify memory model support for volatile 

Reorder the AMDGPUUage description of the memory model code sequences
for volatile so clear that it applies independent of the nontemporal
setting.

Differential Revision: https://reviews.llvm.org/D94358
This commit is contained in:
Tony Tye 2021-01-09 10:20:42 +00:00
parent 30a7d430e8
commit 72f1f08467
1 changed files with 24 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
llvm/docs/AMDGPUUsage.rst
View File

@ -4732,7 +4732,12 @@ in table :ref:`amdgpu-amdhsa-memory-model-code-sequences-gfx6-gfx9-table`.
- generic
- private 1. buffer/global/flat_load
- constant
- volatile & !nontemporal
- !volatile & nontemporal
1. buffer/global/flat_load
glc=1 slc=1
- volatile
1. buffer/global/flat_load
glc=1
@ -4750,17 +4755,17 @@ in table :ref:`amdgpu-amdhsa-memory-model-code-sequences-gfx6-gfx9-table`.
be reordered by
hardware.
- !volatile & nontemporal
1. buffer/global/flat_load
glc=1 slc=1
load *none* *none* - local 1. ds_load
store *none* *none* - global - !volatile & !nontemporal
- generic
- private 1. buffer/global/flat_store
- constant
- volatile & !nontemporal
- !volatile & nontemporal
1. buffer/global/flat_store
glc=1 slc=1
- volatile
1. buffer/global/flat_store
2. s_waitcnt vmcnt(0)
@ -4777,11 +4782,6 @@ in table :ref:`amdgpu-amdhsa-memory-model-code-sequences-gfx6-gfx9-table`.
be reordered by
hardware.
- !volatile & nontemporal
1. buffer/global/flat_store
glc=1 slc=1
store *none* *none* - local 1. ds_store
**Unordered Atomic**
------------------------------------------------------------------------------------
@ -6034,7 +6034,12 @@ table :ref:`amdgpu-amdhsa-memory-model-code-sequences-gfx10-table`.
- generic
- private 1. buffer/global/flat_load
- constant
- volatile & !nontemporal
- !volatile & nontemporal
1. buffer/global/flat_load
slc=1
- volatile
1. buffer/global/flat_load
glc=1 dlc=1
@ -6052,17 +6057,17 @@ table :ref:`amdgpu-amdhsa-memory-model-code-sequences-gfx10-table`.
be reordered by
hardware.
- !volatile & nontemporal
1. buffer/global/flat_load
slc=1
load *none* *none* - local 1. ds_load
store *none* *none* - global - !volatile & !nontemporal
- generic
- private 1. buffer/global/flat_store
- constant
- volatile & !nontemporal
- !volatile & nontemporal
1. buffer/global/flat_store
slc=1
- volatile
1. buffer/global/flat_store
2. s_waitcnt vscnt(0)
@ -6079,11 +6084,6 @@ table :ref:`amdgpu-amdhsa-memory-model-code-sequences-gfx10-table`.
be reordered by
hardware.
- !volatile & nontemporal
1. buffer/global/flat_store
slc=1
store *none* *none* - local 1. ds_store
**Unordered Atomic**
------------------------------------------------------------------------------------