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This option uses a branch instruction whose code size is small. To use a branch instruction whose code size is small, another branch instruction which shares the same destination may be specified as the branch destination, not a direct branch to the final destination.

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If this option is not selected, the specification for the optimize, speed, and size options is followed.

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For details, see the sections for the speed and size options.

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Although this option reduces the code size, it also lowers the execution speed.

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Note that using this optimization without specifying the -g_line option may affect the behavior of single-step execution.

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If the -speed option is specified, this option is ignored.

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If -optimize=0 or 1 is specified, this option is ignored.