It wasn't about the imul instruction of intel, it was about GCC insisting that my "C" language statement wasn't a 32x32bit multiply just because the constant had the 31st bit set. GCC insisted that...
Thanx for reply, however maybe title a little misleading? I am trying to write "C"
code, usable by different processors. On an Intel processor using GCC or Clang
I wish to have:
(int)(((unsigned...
Hi all, newbie here.
Does anyone know if it is possible to use GCC or Clang to multiply
two unsigned numbers and have it use for intel instructions, the mull instruction or an imul. I can't figure...