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Date: Sun, 18 Jun 2017 21:09:35 +0200
From: Szabolcs Nagy <>
Subject: Re: [PATCH] fix arm run-time abi string functions

* Alexander Monakov <> [2017-06-18 22:05:59 +0300]:
> On Sun, 18 Jun 2017, Szabolcs Nagy wrote:
> > > here it's possible to hoist and deduplicate 'cmp r2, #0; bxeq lr' by placing it
> > > prior to the direction check.
> > > 
> > 
> > i dont think there is a difference
> > (either way, both functions need to do this cmp once,
> > the executed insns are the same you just changed the
> > ordering a bit)
> I was pointing that out as a size optimization, but depending on alignment
> of the following code it might be pointless indeed.

i dont think the size changes, only the order of instructions

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