Hi Suwa-san,
On Mon, Jan 16, 2023 at 8:54 PM Takayuki 'January June' Suwa
wrote:
>
> Register-register move instructions that can be easily seen as
> unnecessary by the human eye may remain in the compiled result.
> For example:
>
> /* example */
> double test(double a, double b) {
> return __b
Register-register move instructions that can be easily seen as
unnecessary by the human eye may remain in the compiled result.
For example:
/* example */
double test(double a, double b) {
return __builtin_copysign(a, b);
}
test:
add.n a3, a3, a3
extui a5, a5, 31, 1
s
