(i386-linux x sh-elf) -fssa segfault

[Geoff Keating]

Toshiyasu Morita <tm@netcom.com> writes:

> version: CVS
>    host: i386-linux
>  target: sh-elf
> 
> When compiling files in the stress-1.14 testsuite at:
> 
> ftp://shell14.ba.best.com/pub.t/tm2/stress-1.14.tar.gz
> 
> using the options: 
> 
> -O2 -m4-single-only -ml -fssa -S -g
> 
> the following error occurs:
> 
> ..
> /blitstd.i
> xgcc: Internal compiler error: program cc1 got fatal signal 11
> ..
> 
> The problem appears to be in flow; here is the stack backtrace:

I am presently working on this problem, which also shows up in the
c-torture testsuite.

It's not flow.  It's wrong handling of SUBREGs in the SSA conversion.

Anyway, thanks for reporting the problem.
-- 
- Geoffrey Keating <geoffk@cygnus.com>