[Bug bootstrap/44146] r159371 breaks bootstrap on x86_64-apple-darwin10

[iains at gcc dot gnu dot org]

------- Comment #17 from iains at gcc dot gnu dot org  2010-05-16 13:51 -------
(In reply to comment #16)
> leaving off the eh and debug stuff.... look at >>>>>>
> 
>         .text
> __ZN12_GLOBAL__N_110get_globalEv:
> LFB100:
>         pushq   %rbp
> LCFI0:
>         movq    %rsp, %rbp
> LCFI1:
> >>>>>> reference a variable relative to the instruction pointer???????? is this intended?? seems doomed to
> >>>>>> fail at some point ....
>         leaq    ___emutls_v._ZZN12_GLOBAL__N_110get_globalEvE6global(%rip),
> %rdi

well, clearly, it's intended - non-emutls code does the same thing (when
compiled m64).
However, the point remains that a 32bit offset is going to fail to reach
variables as soon as the total space occupied > 4Gb 

it seems maybe we have a code-gen problem ?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44146