_mm512_permute_ps
Classification
AVX-512, Swizzle, CPUID Test: AVX512F
Header File
immintrin.h
Instruction
VPERMILPS zmm, zmm, imm8
Synopsis
 _mm512_permute_ps(__m512 a, const int imm8);
Description
Shuffle single-precision (32-bit) floating-point elements in "a" within 128-bit lanes using the control in "imm8", and store the results in "dst".
Operation
DEFINE SELECT4(src, control) {
	CASE(control[1:0]) OF
	0:	tmp[31:0] := src[31:0]
	1:	tmp[31:0] := src[63:32]
	2:	tmp[31:0] := src[95:64]
	3:	tmp[31:0] := src[127:96]
	ESAC
	RETURN tmp[31:0]
}
dst[31:0] := SELECT4(a[127:0], imm8[1:0])
dst[63:32] := SELECT4(a[127:0], imm8[3:2])
dst[95:64] := SELECT4(a[127:0], imm8[5:4])
dst[127:96] := SELECT4(a[127:0], imm8[7:6])
dst[159:128] := SELECT4(a[255:128], imm8[1:0])
dst[191:160] := SELECT4(a[255:128], imm8[3:2])
dst[223:192] := SELECT4(a[255:128], imm8[5:4])
dst[255:224] := SELECT4(a[255:128], imm8[7:6])
dst[287:256] := SELECT4(a[383:256], imm8[1:0])
dst[319:288] := SELECT4(a[383:256], imm8[3:2])
dst[351:320] := SELECT4(a[383:256], imm8[5:4])
dst[383:352] := SELECT4(a[383:256], imm8[7:6])
dst[415:384] := SELECT4(a[511:384], imm8[1:0])
dst[447:416] := SELECT4(a[511:384], imm8[3:2])
dst[479:448] := SELECT4(a[511:384], imm8[5:4])
dst[511:480] := SELECT4(a[511:384], imm8[7:6])
dst[MAX:512] := 0