On Mon, Jul 21, 2025 at 03:30:08PM +0200, Georg-Johann Lay wrote:
> The recently pushed hreg-constraints (HRCs) feature has this in
> the docs:
>
>
> register asm may not only be clobbered by function calls but also by inline
> asm in conjunction with hard register constraints. For example, in th
The recently pushed hreg-constraints (HRCs) feature has this in
the docs:
register asm may not only be clobbered by function calls but also by
inline asm in conjunction with hard register constraints. For example,
in the following
register int x asm ("r5") = 42;
int y;
asm ("" : "={r5}" (y))
On Sat, 19 Jul 2025, Andrew Pinski wrote:
> On Sat, Jul 19, 2025 at 8:41 PM ywgrit via Gcc wrote:
> >
> > I've tested merging for nested branches on icc, and it seems that icc does
> > a branch merge for code that might trap, making a more aggressive
> > optimization.
>
> So it is not exactly it