On 12/21/18 11:30 AM, Emilio G. Cota wrote:
> + ua.s = 0x0020000000000001;
> + ub.s = 0x3ca0000000000000;
> + uc.s = 0x0020000000000000;
> + ur.h = fma(ua.h, ub.h, uc.h);
> + if (ur.s != 0x0020000000000001) {Forgot your ull's, but otherwise ok. In email to Alex, I did wonder if we should check for fma hardware (at least on x86). Without a hardware insn, the libm routine is probably no faster than softmmu. r~
