LTO Error: operand type mismatch for `div'

Segher Boessenkool segher@kernel.crashing.org
Sat Mar 19 08:12:00 GMT 2016


On Sat, Mar 19, 2016 at 12:10:38AM +0000, Hannes Domani wrote:
> {standard input}: Assembler messages:
> {standard input}:4742: Error: operand type mismatch for `div'

>         divq      $-8446744073709551616

>  asm("divq      %4":"=a"(ret), "=d"(waste)
>  :     "a"(l), "d"(h), "g"(d)
>  :     "cc");

> So how did the number $-8446744073709551616 get there?

The constraint is for that operand 4 is "g", which allows immediate
numbers.  You want "rm".


Segher



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