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Re: [avr-libc-dev] LPM instructions in optimized code causes unintended
From: |
Joerg Wunsch |
Subject: |
Re: [avr-libc-dev] LPM instructions in optimized code causes unintended behavior in execution |
Date: |
Wed, 16 Jun 2010 22:37:02 +0200 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
As Wouter van Gulik wrote:
> Although true, I rather think this is a GCC bug. The avr instruction
> documentation says LPM R31, Z+ has undefined results. In the example
> it was oke to use LPM R31, Z.
IMHO, the respective code is hand-crafted asm code in avr-libc.
Please file a bug report.
--
cheers, J"org .-.-. --... ...-- -.. . DL8DTL
http://www.sax.de/~joerg/ NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)
- [avr-libc-dev] LPM instructions in optimized code causes unintended behavior in execution, Thomas Carsten Franke, 2010/06/16
- Re: [avr-libc-dev] LPM instructions in optimized code causes unintended behavior in execution, Joerg Wunsch, 2010/06/16
- Re: [avr-libc-dev] LPM instructions in optimized code causes unintended behavior in execution, Wouter van Gulik, 2010/06/17
- Re: [avr-libc-dev] LPM instructions in optimized code causes unintended behavior in execution,
Joerg Wunsch <=
- Re: [avr-libc-dev] LPM instructions in optimized code causes unintended behavior in execution, Wouter van Gulik, 2010/06/16
- Re: [avr-libc-dev] LPM instructions in optimized code causes unintended behavior in execution, Joerg Wunsch, 2010/06/16
- Re: [avr-libc-dev] LPM instructions in optimized code causes unintended behavior in execution, Wouter van Gulik, 2010/06/17
- Re: [avr-libc-dev] LPM instructions in optimized code causes unintended behavior in execution, Wouter van Gulik, 2010/06/17
- Re: [avr-libc-dev] LPM instructions in optimized code causes unintended behavior in execution, Thomas Carsten Franke, 2010/06/17
- Re: [avr-libc-dev] LPM instructions in optimized code causes unintended behavior in execution, Wouter van Gulik, 2010/06/17
- RE: [avr-libc-dev] LPM instructionsin optimized code causes unintended behavior in execution, Weddington, Eric, 2010/06/17
- RE: [avr-libc-dev] LPM instructionsin optimized code causes unintended behavior in execution, Weddington, Eric, 2010/06/17
- Re: [avr-libc-dev] LPM instructionsin optimized code causes unintended behavior in execution, Wouter van Gulik, 2010/06/18