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Re: [avr-gcc-list] Growing .data section when compiling with GCC 4.0 ins

From: E. Weddington
Subject: Re: [avr-gcc-list] Growing .data section when compiling with GCC 4.0 instead of GCC 3.4.3
Date: Thu, 28 Apr 2005 08:06:08 -0600
User-agent: Mozilla Thunderbird 1.0 (Windows/20041206)

Bernard Fouché wrote:

E. Weddington wrote:

Dave Hylands wrote:

It's really an issue of whether the tables are stored in flash or in
RAM. Actually, because they're in RAM, they take up space twice, once
in flash (used to initialize the RAM) and once in RAM, where they're
actually used.

Sure. I don't know for sure, though, but I would guess that that section of the port hasn't really changed, so in essence it's not a bug. It's a mis-feature, so technically it would be an enhancement request. Somebody who is more familiar with the AVR port (see new additions to CC list) can perhaps comment.


There are also table jumps in gcc-3.4.3, and we don't see RAM used for the table itself.

Well, then perhaps this is a regression, and you need to fill out a gcc bug report....


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