_mm256_mask_max_ph
Classification
AVX-512, Special Math Functions, CPUID Test: AVX512_FP16
Header File
Instruction
VMAXPH ymm {k}, ymm, ymm
Synopsis
_mm256_mask_max_ph(__m256h src, __mmask16 k, __m256h a, __m256h b);
Description
Compare packed half-precision (16-bit) floating-point elements in "a" and "b", and store packed maximum values in "dst" using writemask "k" (elements are copied from "src" when the corresponding mask bit is not set). [max_float_note]
Operation
FOR j := 0 to 15
IF k[j]
dst.fp16[j] := (a.fp16[j] > b.fp16[j] ? a.fp16[j] : b.fp16[j])
ELSE
dst.fp16[j] := src.fp16[j]
FI
ENDFOR
dst[MAX:256] := 0