_mm512_reduce_min_pd
Classification
KNC, Special Math Functions, CPUID Test: KNCNI
Header File
Synopsis
_mm512_reduce_min_pd(__m512d a);
Description
Reduce the packed double-precision (64-bit) floating-point elements in "a" by minimum. Returns the minimum of all elements in "a". [min_float_note]
Operation
DEFINE REDUCE_MIN(src, len) {
IF len == 2
RETURN (src[63:0] < src[127:64] ? src[63:0] : src[127:64])
FI
len := len / 2
FOR j:= 0 to (len-1)
i := j*64
src[i+63:i] := (src[i+63:i] < src[i+64*len+63:i+64*len] ? src[i+63:i] : src[i+64*len+63:i+64*len])
ENDFOR
RETURN REDUCE_MIN(src[64*len-1:0], len)
}
dst[63:0] := REDUCE_MIN(a, 8)