Daniel Laügt

I've just compiled mpir 2.7.2 on the same Solaris machine and on the same compiler (gcc 4.8.1). All tests have passed with this version. This seems to be caused by...

One more indication. On Linux with the same compiler (gcc 4.8.1), all tests have passed.

CPU is a SPARC-T4: ``` $ psrinfo -pv The physical processor has 64 virtual processors (0-63) SPARC-T4 (chipid 0, clock 2848 MHz) The physical processor has 64 virtual processors (64-127)...

The regression is coming from the following change: #193 All tests are passing on Solaris when I replace mpn/generic/mulmid_basecase.c with the one in 2.7.2. I suspect a bug on this...

Which gmp repo are you referring to? In this [repo](https://gmplib.org/repo/gmp/), I don't see the optimization with mpn_addmul2/3/4/5/6 in mpn/generic/mulmid_basecase.c. The result of ./config.guess is ultrasparc-sun-solaris2.10.