FP differences between 32 & 64-bit

output

> rdmd -unittest -main ele.d

-0x1.820d74p-3
-0x1.820d74p-3

>  rdmd -unittest -main-m32 ele.d

-0x1.820d76p-3
-0x1.820d74p-3

test.d

unittest
{
    import std.stdio;
    alias S = float;
    S c = -0x1.ccccccp-1; // -0.9
    S f0 = -0x1.1df702p-3;

    S f1Val = -0x1.8p+0;

    S f1New = f1Val * c * f0;
    writefln("%a", f1New);

    S f1Newb = f1Val;
    f1Newb *= c;
    f1Newb *= f0;

    writefln("%a", f1Newb);
}