Re: [linuxsh-shmedia-dev] SH5 gcc bug

[Sean M. <Sea...@su...>]

Steve,

	I can confirm that SuperH has been able to reproduce your results
using the toolchain from the SuperH ftp site, on SH-5 Linux.

	It is most interesting that the example code you provided is
compiled correctly on the cross toolchain, yet SEGVs on the native
toolchain - despite the fact that both toolchains are compiled from the
same source code files. Even more bizarre is that our native toolchain
has successfully built several large packages, and even natively built
the SH-5 Linux kernel itself.

	We have built the native compiler statically, but this does not
noticeably affect the behaviour.

	My suspicion is that a hard-to-provoke code-generation bug
has been introduced a few months ago, and it only when complex native
applications like compilers are run does it present itself. We are trying
to regress our code-base and see if we can pin-point when this happened.

	I would be interested to know if Kaz-san has tried this example
using a native gcc under SH-5 Linux, rather than the cross gcc. Kaz-san,
can you please let me know ?

	Regards,
		Sean




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