[CuTeDSL] Drop Ampere/Ada from cvt_i8_bf16_intrinsic.supported_archs - #3355
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[CuTeDSL] Drop Ampere/Ada from cvt_i8_bf16_intrinsic.supported_archs#3355Hughshine wants to merge 1 commit into
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fengxie
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Jul 17, 2026
cvt.rn.bf16.s8 requires sm_90+, so pre-Hopper targets should fall through to the existing itofp software fallback instead of emitting an instruction ptxas rejects. Matches the sibling cvt_i4_bf16_intrinsic gate. See NVIDIA#3354
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cvt.rn.bf16.s8 requires sm_90+, so pre-Hopper targets should fall through to the existing itofp software fallback instead of emitting an instruction ptxas rejects. Matches the sibling cvt_i4_bf16_intrinsic gate.
Fixes #3354