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Wilson Snyder 2013-01-11 07:05:25 -05:00
parent 786bc4b04f
commit c00603704e
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@ -1321,7 +1321,8 @@ OPT_FAST and OPT_SLOW affect. For best results, use OPT="-O2", and link
with "-static". Nearly the same results can be had with much better with "-static". Nearly the same results can be had with much better
compile times with OPT_FAST="-O1 -fstrict-aliasing". Higher optimization compile times with OPT_FAST="-O1 -fstrict-aliasing". Higher optimization
such as "-O3" may help, but gcc compile times may be excessive under O3 on such as "-O3" may help, but gcc compile times may be excessive under O3 on
even medium sized designs. even medium sized designs. Alternatively, some larger designs report
better performance using "-Os".
Unfortunately, using the optimizer with SystemC files can result in Unfortunately, using the optimizer with SystemC files can result in
compiles taking several minutes. (The SystemC libraries have many little compiles taking several minutes. (The SystemC libraries have many little