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Copyright (C) 2020-2022 Intel Corporation

SPDX-License-Identifier: MIT

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## Opcode

  ADDC = 0x49

## Format

| | | | | | | |
| --- | --- | --- | --- | --- | --- | --- |
| 0x49(ADDC) | Exec_size | Pred | Dst | Carry | Src0 | Src1 |


## Semantics


```

                    for (i = 0; i < exec_size; ++i) {
                      if (ChEn[i]) {
                        dst[i] = src0[i] + src1[i];
                        carry[i] = carry(src0[i] + src1[i]);
                      }
                    }
```

## Description





```
    Performs component-wise addition of <src0> and <src1> and stores the result into <dst> and carry into <carry>. Carry will be either 0 or 1.
```


- **Exec_size(ub):** Execution size

  - Bit[2..0]: size of the region for source and destination operands

    - 0b000:  1 element (scalar)
    - 0b001:  2 elements
    - 0b010:  4 elements
    - 0b011:  8 elements
    - 0b100:  16 elements
    - 0b101:  32 elements
  - Bit[7..4]: execution mask (explicit control over the enabled channels)

    - 0b0000:  M1
    - 0b0001:  M2
    - 0b0010:  M3
    - 0b0011:  M4
    - 0b0100:  M5
    - 0b0101:  M6
    - 0b0110:  M7
    - 0b0111:  M8
    - 0b1000:  M1_NM
    - 0b1001:  M2_NM
    - 0b1010:  M3_NM
    - 0b1011:  M4_NM
    - 0b1100:  M5_NM
    - 0b1101:  M6_NM
    - 0b1110:  M7_NM
    - 0b1111:  M8_NM

- **Pred(uw):** Predication control


- **Dst(vec_operand):** The destination operand. Operand class: general,indirect


- **Carry(vec_operand):** The carry operand. Operand class: general,indirect


- **Src0(vec_operand):** The first source operand. Operand class: general,indirect,immediate


- **Src1(vec_operand):** The second source operand. Operand class: general,indirect,immediate


#### Properties
- **Supported Types:** UD
- **Source Modifier:** false


#### Operand type maps
- **Type map**
  -  **Dst types:** UD
  -  **Src types:** UD


## Text
```



    [(<P>)] ADDC  (<exec_size>) <dst> <carry> <src0> <src1>
```
## Notes





