DFG intrinsic as opposed to old JIT intrinsic can use speculative information about types. Also it allows to process constants at compile time.
Concrete assembler for ARMv7 is used for better performance (MacroAssembler and calls to C functions for other architectures).
Created attachment 206452 [details]
It gives about 12% speedup on SunSpider's math-partial-sums on ARMv7 Linux while neutral on other tests.
This seems like a good idea. Is there any reason it's not being merged?
Comment on attachment 206452 [details]
r=me. Can you rebase?
(In reply to comment #4)
> (From update of attachment 206452 [details])
> r=me. Can you rebase?
*** This bug has been marked as a duplicate of bug 141540 ***