Converts int32_t type data to uint8_t type.
Overflow modes:
- Non-saturating mode: the result is truncated to the data width of the target format, and the least significant bit (LSB) is retained.
- Saturating mode: the result is clamped to the representable range of the target format.
Since the bit-width ratio of the source operand to the destination operand is 4:1, when writing data, you need to split the data of one VL size into four parts and select index 0, index 1, index 2, or index 3 according to different interfaces.
[object Object]
For details about vector data registers and mask registers, see .
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PIPE_V
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