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[AMDGPU][MC][MI100+] Enable VOP3 variants of dot2c/dot4c/dot8c opcodes
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Authored by dp on Nov 22 2022, 6:25 AM.

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Summary

Unfortunately AMD documentation does not specify which modifiers should be supported for these instructions.
The patch enables abs, neg, clamp and omod modifiers for v_dot2c_f32_f16 and clamp for remaining dotc opcodes, but it is a somewhat arbitrary decision.

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