_mm512_extractf32x4_ps
Classification
AVX-512, Swizzle, CPUID Test: AVX512F
Header File
immintrin.h
Instruction
VEXTRACTF32X4 xmm, zmm, imm8
Synopsis
 _mm512_extractf32x4_ps(__m512 a, int imm8);
Description
Extract 128 bits (composed of 4 packed single-precision (32-bit) floating-point elements) from "a", selected with "imm8", and store the result in "dst".
Operation
CASE imm8[1:0] OF
0: dst[127:0] := a[127:0]
1: dst[127:0] := a[255:128]
2: dst[127:0] := a[383:256]
3: dst[127:0] := a[511:384]
ESAC
dst[MAX:128] := 0