error: unknown constraint 'x' (x86_64)
absop opened this issue · comments
叶芝秋 commented
I tried to use tcc run the following code on x86_64, it threw the following error.
gcc done it well.
double glibc_sqrt(double x)
{
double res;
asm("sqrtsd %1, %0" : "=x" (res) : "xm" (x));
return res;
}
error: unknown constraint 'x'