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Converts uint32_t type data to uint8_t type.

Based on the size of the input data, there are non-saturating mode and saturating mode.

• Non-saturating mode: The result is truncated to the data width of the target format, and the least significant bits (LSB) are 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, a VL-sized block of data needs to be divided into four parts, and index 0, index 1, index 2, or index 3 is selected based on the interface used.

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For details about vector data registers and mask registers, see .

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None

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PIPE_V

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• To enable the saturating mode and non-saturating mode, the ctrl register needs to be configured. For details about the ctrl register, see .

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