| Opcode/Instruction | Op/En | 64/32 bit Mode Support | CPUID Feature Flag | Description |
|---|---|---|---|---|
| VEX.L0.0F.W0 44 /r KNOTW k1, k2 | RR | V/V | AVX512F | Bitwise NOT of 16 bits mask k2. |
| VEX.L0.66.0F.W0 44 /r KNOTB k1, k2 | RR | V/V | AVX512DQ | Bitwise NOT of 8 bits mask k2. |
| VEX.L0.0F.W1 44 /r KNOTQ k1, k2 | RR | V/V | AVX512BW | Bitwise NOT of 64 bits mask k2. |
| VEX.L0.66.0F.W1 44 /r KNOTD k1, k2 | RR | V/V | AVX512BW | Bitwise NOT of 32 bits mask k2. |
| Op/En | Operand 1 | Operand 2 |
| RR | ModRM:reg (w) | ModRM:r/m (r, ModRM:[7:6] must be 11b) |
Performs a bitwise NOT of vector mask k2 and writes the result into vector mask k1.
KNOTW
DEST[15:0] (cid:197) BITWISE NOT SRC[15:0] DEST[MAX_KL-1:16] (cid:197) 0KNOTB
DEST[7:0] (cid:197) BITWISE NOT SRC[7:0] DEST[MAX_KL-1:8] (cid:197) 0KNOTQ
DEST[63:0] (cid:197) BITWISE NOT SRC[63:0] DEST[MAX_KL-1:64] (cid:197) 0KNOTD
DEST[31:0] (cid:197) BITWISE NOT SRC[31:0] DEST[MAX_KL-1:32] (cid:197) 0
KNOTW __mmask16 _mm512_knot(__mmask16 a);
None
None
See Exceptions Type K20.