SVE Instruction List by Dougall Johnson
See "BFCVTNT" in the exploration tools

BFCVTNT: Floating-point down convert and narrow to BFloat16 (top, predicated)

BFCVTNT Zd.H, Pg/M, Zn.S (SVE+BF16 (SME+BF16
svbfloat16_t svcvtnt_bf16[_f32]_m(svbfloat16_t even, svbool_t pg, svfloat32_t op)

128-bit SVE

Convert each 32-bit float from (1) to a BFloat16, writing the results to the odd 16-bit lanes of (3), preserving the even lanes from (2). The current rounding mode selected by FPCR is used.

256-bit SVE

Convert each 32-bit float from (1) to a BFloat16, writing the results to the odd 16-bit lanes of (3), preserving the even lanes from (2). The current rounding mode selected by FPCR is used.

512-bit SVE

Convert each 32-bit float from (1) to a BFloat16, writing the results to the odd 16-bit lanes of (3), preserving the even lanes from (2). The current rounding mode selected by FPCR is used.

Larger sizes

1024-bit SVE

Convert each 32-bit float from (1) to a BFloat16, writing the results to the odd 16-bit lanes of (3), preserving the even lanes from (2). The current rounding mode selected by FPCR is used.

2048-bit SVE

Convert each 32-bit float from (1) to a BFloat16, writing the results to the odd 16-bit lanes of (3), preserving the even lanes from (2). The current rounding mode selected by FPCR is used.

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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.