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Re: Question about sibling call epilogues & registers


Hi Daniel,

On Sat, Oct 15, 2016 at 01:45:12AM -0500, Daniel Santos wrote:
> The insn that's getting deleted is 75, where RCX is set.  I'm starting 
> to think that maybe df_analyze() presumes that my call (to the stub) is 
> invalidating RCX, although it does not.

It looks like you don't use add_function_usage_to on the call insn?


Segher


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