How to dump all the optimization flags enabled?

[Andrew Haley]

Wei Hu writes:
 > Hello,
 > 
 > Is there a way to tell gcc to print out all the effective optimization
 > flags when it compiles a C file?
 > I know the manual tells you what flags are set at different
 > optimization levels, but I'm still looking for an answer to my
 > question because it will be useful to my project.

Yes.  -fverbose-asm dumps the flags to the .s file.

Andrew.

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