The purpose of local register variables is to tell gcc which register to
use in an inline asm, when multiple registers could be used. Other uses
are not supported and usually don't work the way you expect, especially
when optimizing.
If all you want is a function which returns the value in a spe
Hi,
I am wondering if the following piece of code is supposed to be valid.
void* reg_v13() {
register void* r __asm__ ("r13");
return r;
}
I did test with gcc on powerpc64, and confirmed that the function
really returns r13 (thread pointer) value.
However, LLVM issues a warning complaining
