On 16 January 2005 05:37, Wolfgang Thaller wrote:
> On x86-linux, with the latest HEAD, the following code triggers a
> register allocation bug:
>
> #include "Cmm.h"
> foo {
> I32 bar; // bar get's assigned to
%eax
> foreign "C" bar (); // %eax is correctly saved accross this
call
> foreign "C" bar (); // But this call clobbers it.
> jump bar; // here we'll probably
crash.
> }
I think you have a missing 'bar = R1;' here, after the declaration of
bar.
> This gets compiled to:
>
> .text
> .align 4,0x90
> .globl foo
> foo:
> movl %esi,%eax
> movl %eax,64(%esp)
> call *%eax
> addl $0,%esp
> movl 64(%esp),%eax
> call *%eax
> addl $0,%esp
> jmp *%eax
Thanks, fix committed.
Cheers,
Simon
_______________________________________________
Cvs-ghc mailing list
[EMAIL PROTECTED]
http://www.haskell.org/mailman/listinfo/cvs-ghc
