Re: Silly gcc bugs

["Maciej W. Rozycki" <macro%linux-mips.org@localhost>]

On Sun, 7 Feb 2016, John Klos wrote:

> This, by the way, is gcc 4.1.3 on NetBSD 6.1.5 since gcc 4.8, AFAIK, is not
> yet producing code natively.
> 
> Even after fixing that, though, compilation fails in the same file:
> 
> gchecksum.c: In function 'sha512_transform':
> gchecksum.c:1250: error: insn does not satisfy its constraints:
> (insn 516 457 479 2 (set (reg:SI 0 %r0)
>         (reg/f:SI 17 virtual-stack-vars)) 16 {movsi_2} (nil)
>     (nil))
> gchecksum.c:1250: internal compiler error: in reload_cse_simplify_operands, at
> postreload.c:393
> 
> Ideas?

 This seems to pop up regularly and with a quick setup I've been able to 
reproduce it with my VAX/Linux 4.1.2 compiler too, so I'll see if I can 
give it a stab.

  Maciej