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[avr-gcc-list] code for 90s4433 is using SPH

From: Volkmar Dierkes
Subject: [avr-gcc-list] code for 90s4433 is using SPH
Date: Wed, 19 Feb 2003 23:04:33 +0100
User-agent: 40tude_Dialog/ Hamster/


I am using the january distribution of WinAVR and tried a small 
program for the at90s4433. The 4433 has only a single byte for the 
stack pointer because of its limited ram. But I am wondered that the 
generated code is using SPH. Did I have an error or is this the 
case? In the datasheet is only SPH defined with reserved, but no 
hint that it is always zero. Maybe it doesn't matter which result it 
returns, but I am using VMLAB for simulation and this tool sets 
undefined values for such issues. And in this case you find these 
errors with no problems.


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