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
