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[avr-gcc-list] Bug with -Os
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From: |
Andreas Schwarz |
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Subject: |
[avr-gcc-list] Bug with -Os |
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Date: |
Wed, 30 Jul 2003 21:08:07 +0000 |
Hi,
the following program runs fine when compiled with -O1 or -O2, but with
-Os the function iRealFT() corrupts the stack frame:
http://www.mikrocontroller.net/attachment.php/37827/fft.tar.gz
gcc 3.3.1 20030720
binutils 2.14 20030727
And why is the -Os binary bigger than -O2 and -O1?
Andreas
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