The following options restrict or preclude the compiler's ability to optimize your program:
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-O0 |
Disables optimizations -O1, -O2, and-or -O3. Enables -fp option. |
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-mp |
Restricts optimizations that cause some minor loss or gain of precision in floating-point arithmetic to maintain a declared level of precision and to ensure that floating-point arithmetic more nearly conforms to the ANSI and IEEE* standards. See -mp option for more details. |
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-nolib_inline |
Disables inline expansion of intrinsic functions. |
For more information on ways to restrict optimization, see Interprocedural Optimizations with -Qoption.