1<!---======================= begin_copyright_notice ============================ 2 3Copyright (C) 2020-2021 Intel Corporation 4 5SPDX-License-Identifier: MIT 6 7============================= end_copyright_notice ==========================--> 8 9 10 11## Opcode 12 13 AND = 0x20 14 15## Format 16 17| | | | | | 18| --- | --- | --- | --- | --- | 19| 0x20(AND) | Exec_size | Pred | Dst | Src0 | Src1 | 20 21 22## Semantics 23 24 25 26 27 for (i = 0; < exec_size; ++i) { 28 if (ChEn[i]) { 29 dst[i] = src0[i] & src1[i]; 30 } 31 } 32 33## Description 34 35 36 Performs component-wise bitwise AND of <src0> and <src1> and stores the result into <dst>. 37 38- **Exec_size(ub):** Execution size 39 40 - Bit[2..0]: size of the region for source and destination operands 41 42 - 0b000: 1 element (scalar) 43 - 0b001: 2 elements 44 - 0b010: 4 elements 45 - 0b011: 8 elements 46 - 0b100: 16 elements 47 - 0b101: 32 elements 48 - Bit[7..4]: execution mask (explicit control over the enabled channels) 49 50 - 0b0000: M1 51 - 0b0001: M2 52 - 0b0010: M3 53 - 0b0011: M4 54 - 0b0100: M5 55 - 0b0101: M6 56 - 0b0110: M7 57 - 0b0111: M8 58 - 0b1000: M1_NM 59 - 0b1001: M2_NM 60 - 0b1010: M3_NM 61 - 0b1011: M4_NM 62 - 0b1100: M5_NM 63 - 0b1101: M6_NM 64 - 0b1110: M7_NM 65 - 0b1111: M8_NM 66- **Pred(uw):** Predication control 67 68- **Dst(vec_operand):** The destination operand. Operand class: general,indirect,predicate 69 70- **Src0(vec_operand):** The first source operand. Operand class: general,indirect,predicate,immediate 71 72- **Src1(vec_operand):** The second source operand. Operand class: general,indirect,predicate,immediate 73 74#### Properties 75- **Supported Types:** B,BOOL,D,Q,UB,UD,UQ,UW,W 76- **Source Modifier:** logic 77 78 79## Text 80``` 81 82 83 [(<P>)] AND (<exec_size>) <dst> <src0> <src1> 84 //(<P>) must be absent for predicate operands. 85``` 86 87 88 89## Notes 90 91 92 93 The instruction may operate on predicate operands. In this mode, all operands must be predicates, and <pred> must be zero (no predication). If the operands are not predicates, all operands must have integer type. 94