Surely a compiler error then.

I can't seem to get libspeed or try to build on Cygwin64. It looses the
include and lib directories in the gcc invocation.

But I think you've found the problem, for sure.

Bill.


On 1 April 2014 22:40, Jean-Pierre Flori <jpfl...@gmail.com> wrote:

>
>
> On Tuesday, April 1, 2014 10:36:05 PM UTC+2, Jean-Pierre Flori wrote:
>>
>> What look strange to me is the way the function is called.
>> All other function calls use rip or a different address range.
>>
>> E.g. for the call in t-neg:
>> 39   gmp_randinit_default(rands);
>>
>> First it goes through the import lib:
>>    0x00000001004010fa <+42>:    mov    0x818f(%rip),%rax        #
>> 0x100409290 <__imp___gmp_randinit_default>
>>    0x0000000100401101 <+49>:    callq  *%rax
>>
>> And %rax looks saner:
>> (gdb) info reg
>> rax            0x4ff1e1550      21460030800
>>
>> Just as in cygmpir-16.dll:
>> 00000004ff1e1550 T __gmp_randinit_default
>>
>> In particularn in the mpn_store direct call, the leading 4 is missing...
>>
>
> And:
>  (gdb) r
> The program being debugged has been started already.
> Start it from the beginning? (y or n) y
>
> Starting program: /home/jp/mpir-flori.git/tests/mpn/.libs/t-neg
> [New Thread 3836.0x408]
> [New Thread 3836.0x26c]
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x00000000ff2746c0 in ?? ()
> (gdb) x/i $pc
> => 0xff2746c0:  Cannot access memory at address 0xff2746c0
> (gdb) x/i $pc + 0x400000000
>    0x4ff2746c0 <__gmpn_store>:  lea    -0x20(%rcx),%rcx
> (gdb)
>
>

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