OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nir: Add a load_global_constant intrinsic

Browse Source 
This has the same semantics as load_global except the memory it reads is
known to be constant so load_global_constant intrinsics can be CSEd
rather than relying on more complex copy-propagation.

Reviewed-by: Karol Herbst <kherbst@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6379>
This commit is contained in:
Jason Ekstrand
2020-08-29 00:59:22 -05:00
committed by Marge Bot
parent e4f07f8bdc
commit ff124e3fe3
7 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/compiler/nir/nir_intrinsics.py
View File

@@ -768,6 +768,9 @@ load("constant", [1], [BASE, RANGE, ALIGN_MUL, ALIGN_OFFSET],
# src[] = { address }.
load("global", [1], [ACCESS, ALIGN_MUL, ALIGN_OFFSET], [CAN_ELIMINATE])
# src[] = { address }.
load("global_constant", [1], [ACCESS, ALIGN_MUL, ALIGN_OFFSET],
[CAN_ELIMINATE, CAN_REORDER])
# src[] = { address }.
load("kernel_input", [1], [BASE, RANGE, ALIGN_MUL, ALIGN_OFFSET], [CAN_ELIMINATE, CAN_REORDER])
# src[] = { offset }.
load("scratch", [1], [ALIGN_MUL, ALIGN_OFFSET], [CAN_ELIMINATE])