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toolchain/48696: gcc crashes on loongson when optimizing
>Synopsis: gcc crashes on loongson when optimizing
>Arrival-Date: Tue Apr 01 10:20:01 +0000 2014
NetBSD kilbeggan 6.99.39 NetBSD 6.99.39 (KILBEGGAN) #5: Sun Mar 30 15:39:17 EDT
cc -pipe -march=loongson2f -O2 -o flops flops.c
flops.c: In function 'main':
flops.c:641:4: warning: incompatible implicit declaration of built-in function
flops.c:642:1: internal compiler error: Bus error
Please submit a full bug report,
with preprocessed source if appropriate.
See for instructions.
*** Error code 1
make: stopped in /tmp/benchmarks/flops/work
This only happens when running on Loongson hardware itself ( I'll try other
MIPS but I suspect they'll have the same problem ) - a cross-gcc targeting MIPS
built from the same source running on sparc64 works just fine ( as in build.sh
-m evbmips64-el )
The most recent, locally built binaries I could find on my gdium are from
2013-05-21 so the problem must have been introduced after that.
Try to compile anything with optimization enabled.
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