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aco/gfx11+: disable v_pk_fmac_f16_dpp

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Public docs are apparently wrong: https://github.com/llvm/llvm-project/pull/79598#issuecomment-1933988048

Cc: mesa-stable

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27533>
(cherry picked from commit e927c5004f)
This commit is contained in:
Georg Lehmann
2024-02-08 19:26:11 +01:00
committed by Eric Engestrom
parent 3e16073c2a
commit 9e8d339fab
2 changed files with 4 additions and 1 deletions
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2
.pick_status.json
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@@ -2134,7 +2134,7 @@
"description": "aco/gfx11+: disable v_pk_fmac_f16_dpp",
"nominated": true,
"nomination_type": 0,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": null,
"notes": null

3
src/amd/compiler/aco_ir.cpp
View File

@@ -412,6 +412,9 @@ can_use_DPP(amd_gfx_level gfx_level, const aco_ptr<Instruction>& instr, bool dpp
instr->opcode == aco_opcode::v_dot2_f32_bf16;
}
if (instr->opcode == aco_opcode::v_pk_fmac_f16)
return gfx_level < GFX11;
/* there are more cases but those all take 64-bit inputs */
return instr->opcode != aco_opcode::v_madmk_f32 && instr->opcode != aco_opcode::v_madak_f32 &&
instr->opcode != aco_opcode::v_madmk_f16 && instr->opcode != aco_opcode::v_madak_f16 &&