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HP C/HP-UX Programmer's Guide: HP-UX Systems > Chapter 4 Optimizing
HP C Programs
Using Advanced Optimization Options |
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Several advanced optimization options can be specified on the same command line. For example, the following command line specifies aggressive level 3 optimizations with unrestricted compile time, disables software pipelining, and disables moving conditional floating-point instructions out of a loop: cc +O3 +Oaggressive +Onolimit +Onomoveflops +Onopipeline \ Specify the level of optimization first (+O1, +O2, +O3, or +04), followed by any +O[no]optimization options. |
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