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[Default]

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This option specifies whether to optimize loop expansion.

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When the loop option is specified, the compiler expands loop statements (for, while, and do-while).

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The maximum expansion factor can be specified by <numeric value>. An integer from 1 to 32 can be specified for <numeric value>. If no <numeric value> is specified, 2 will be assumed.

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The default for this option is determined based on the optimize option and speed or size option specifications. For details, refer to the speed or size option.

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This option is invalid when optimize=0 or optimize=1.