[llvm] AMDGPU: Correct cycle counts for f64 mfma on gfx940 (PR #83782)

[Stanislav Mekhanoshin via llvm-commits]

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@@ -481,8 +481,7 @@ body:             |
 # GCN-LABEL: name: dmfma16x16_write_vgpr_flat_read
 # GCN:      V_MFMA
 # GCN-NEXT: S_NOP 7
-# GCN-NEXT: S_NOP 7
-# GCN-NEXT: S_NOP 1
+# GCN-NEXT: S_NOP 2
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rampitec wrote:

This still shall be 18 wait states.

https://github.com/llvm/llvm-project/pull/83782