모두의 코드
KANDNW, KANDNB, KANDNQ, KANDNDs (Intel x86/64 assembly instruction)
KANDNW, KANDNB, KANDNQ, KANDND
Bitwise Logical AND NOT Masks
참고 사항
아래 표를 해석하는 방법은 x86-64 명령어 레퍼런스 읽는 법 글을 참조하시기 바랍니다.
Opcode/ | Op/En | 64/32 | CPUID | Description |
|---|---|---|---|---|
| RVR | V/V | AVX512F | Bitwise AND NOT 16 bits masks k2 and k3 and place result in k1. |
| RVR | V/V | AVX512DQ | Bitwise AND NOT 8 bits masks k1 and k2 and place result in k1. |
| RVR | V/V | AVX512BW | Bitwise AND NOT 64 bits masks k2 and k3 and place result in k1. |
| RVR | V/V | AVX512BW | Bitwise AND NOT 32 bits masks k2 and k3 and place result in k1. |
Instruction Operand Encoding
Op/En | Operand 1 | Operand 2 | Operand 3 |
|---|---|---|---|
RVR | ModRM:reg (w) | VEX.1vvv (r) | ModRM:r/m (r, ModRM:[7:6] must be 11b) |
Description
Performs a bitwise AND NOT between the vector mask k2 and the vector mask k3, and writes the result into vector mask k1.
Operation
KANDNW
DEST[15:0] <- (BITWISE NOT SRC1[15:0]) BITWISE AND SRC2[15:0] DEST[MAX_KL-1:16] <- 0
KANDNB
DEST[7:0] <- (BITWISE NOT SRC1[7:0]) BITWISE AND SRC2[7:0] DEST[MAX_KL-1:8] <- 0
KANDNQ
DEST[63:0] <- (BITWISE NOT SRC1[63:0]) BITWISE AND SRC2[63:0] DEST[MAX_KL-1:64] <- 0
KANDND
DEST[31:0] <- (BITWISE NOT SRC1[31:0]) BITWISE AND SRC2[31:0] DEST[MAX_KL-1:32] <- 0
Intel C/C++ Compiler Intrinsic Equivalent
KANDNW __mmask16 _mm512_kandn(__mmask16 a, __mmask16 b);
Flags Affected
None
SIMD Floating-Point Exceptions
None
Other Exceptions
See Exceptions Type K20.
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