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Re: list of optimizations done by -O1 level


ranjith kumar writes:
 > 
 > 
 > Is there any way to find list of optimizations enabled
 > by -O1?

-fverbose-asm.  The list is in the top of the .s file.

 > Actually when I explicitly specified  all
 > optimizations, there were function calls associated
 > with each SIMD function called in .c file.
 > But when I used -O1 flag they were not present in
 > assembly code.
 > I am intrested in knowing which optimization is
 > replacing those function calls and at what
 > intermediate representation that optimization is done?

Use -fdump-tree-all and have a look.

Andrew.


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