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Old 10-21-2011, 07:28 PM
Konstantinos Margaritis
Default Bug#646160: gcc-4.6: ICE when building neon code with -g -O -mfpu=neon

Package: gcc-4.6
Version: 4.6.1-15
Severity: normal

When building neon code on armhf -which I cannot attach to its full,
due to licensing reason, unfortunately- I get an ICE. Using delta I
was able to get a minimal testcase that produces the exact ICE. The
testcase is attached. Here is the message and the cmd line used:

$ gcc -O -mfpu=neon matrix-min.i
matrix-min.i: In function ‘matrixTranspose’:
matrix-min.i:10:29: internal compiler error: in immed_double_const, at
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.6/README.Bugs> for instructions.
Preprocessed source stored into /tmp/cc3zlt4j.out file, please attach
this to your bugreport.

In fact, the same ICE I get on oneiric gcc with the same testcase.


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