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Hi, On Sun, 28 Feb 2016, Linus Torvalds wrote: > > So the kernel obviously is already using its own C dialect, that is > > pretty far from standard C. All these options also have a negative > > impact on the performance of the generated code. > > They really don't. They do. > Have you ever seen code that cared about signed integer overflow? > > Yeah,

On Sun, Feb 28, 2016 at 12:27 AM, Markus Trippelsdorf <markus at trippelsdorf.de> wrote: >> > >> > -fno-strict-overflow >> >> -fno-strict-aliasing. > > Do not forget -fno-delete-null-pointer-checks. > > So the kernel obviously is already using its own C dialect, that is > pretty far from standard C. > All these options also have a negative