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[IGC vISA] Add read suppression WA to clear reuse buffer before EOT send instructionns on large GRF mode.

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For programs in Large GRF mode we need to insert the following 2 instructions to
clear any reuse buffers before EOT send instruction:

(W) csel (4|M0) (eq)f0.0 r0.0<1>:w r0.0<4;1>:w r0.0<4;1>:w r0.0<1>:w
(W) csel (4|M0) (eq)f0.0 r0.4<1>:f r0.4<4;1>:f r0.4<4;1>:f r0.4<1>:f
This commit is contained in:
liufang
2022-09-30 19:44:32 +00:00
committed by igcbot
parent 44ff2636a5
commit 9079e1f2f3
5 changed files with 39 additions and 2 deletions
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5
inc/common/sku_wa_defs.h
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@ -555,3 +555,8 @@ SPDX-License-Identifier: MIT
WA_BUG_TYPE_HANG,
WA_BUG_PERF_IMPACT_UNKNOWN, WA_COMPONENT_UNKNOWN)
WA_DECLARE(
Wa_14016880151,
"Workaround",
WA_BUG_TYPE_UNKNOWN,
WA_BUG_PERF_IMPACT_UNKNOWN, WA_COMPONENT_UNKNOWN)