Everything

 

-Xdbl_size


This option specifies the data size of double and long double type.

[Specification format]

-Xdbl_size=num

 

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Interpretation when omitted

double and long double type are 8 bytes (this is the same result as when -Xdbl_size=8 is specified).

[Detailed description]

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This option specifies the data size of double and long double type.

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One of the following can be specified as num. An error will occur if any other item is specified.

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4
double and long double type are 4 bytes.

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8
double and long double type are 8 bytes.