Optimization Level reference

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Trevor

• February 28, 2013 00:02

Hello.  I am evaluating Crossworks for MSP430.  I'm looking for reference information on the different compiler optimization levels.  The reference manual does have a very brief description of how the -O setting influences optimization choices the compiler makes:

http://www.rowleydownload.co.uk/msp430/documentation/hcc_option_optimization_level.htm

Is there any reference information that is more detailed than this - that describes which optimization strategies are used at each level, how they will affect debugging, which settings are used by default when building release vs. debug, etc.?

Thanks.

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  Trevor

  • March 01, 2013 01:46

  For example, there is very good optimization level documentation for the linker in the description of its command line options, starting here:

  http://www.rowleydownload.co.uk/msp430/documentation/index.htm?http://www.rowleydownload.co.uk/msp430/documentation/hld_option_optimize_block_locality.htm

  Is there anything similar for the compiler optimization levels?

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