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Re: toolchain/53618: bogus warnings from printf %u and ntohs with -O1
The following reply was made to PR toolchain/53618; it has been noted by GNATS.
From: Martin Husemann <martin%duskware.de@localhost>
Subject: Re: toolchain/53618: bogus warnings from printf %u and ntohs with -O1
Date: Wed, 19 Sep 2018 09:47:10 +0200
This is how it traditionally worked. It does not even depend on
optimization level, on big endian CPUs all ntoh* are no-ops.
Our documentation gives a small hint:
On machines which have a byte order which is the same as the network
order, these routines are defined as macros that expand to the value of
So you better store the value in an uint16_t if you need to rely on
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