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How to align functions? http://forum.andestech.com/viewtopic.php?f=25&t=940 |
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Author: | ianfeng [ Thu Oct 01, 2015 3:10 pm ] |
Post subject: | How to align functions? |
Use GCC compiler option "-falign-functions=n": Align the start of functions to the next power-of-two greater than n. "-fno-align-functions" and "-falign-functions=1" are equivalent and mean that functions will not be aligned. "-O2" and "-O3" optimization will turn on this flag. "-Os" optimization will disable it. Andes GCC compiler provide option "-malign-functions" to align all functions to the next 4-bytes boundary. Note: Functions in library may not be aligned to 4-bytes boundary. |
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