Le 08/07/2021 à 16:11, Philippe Mathieu-Daudé a écrit : > Convert the host_to_target_errno_table[] array to a switch case > to allow compiler optimizations. Extract the errnos list as to > a new includible unit, using a generic macro. Remove the code > related to target_to_host_errno_table[] initialization. >
Is there some performance penalties by using a switch() rather than an array[] ? > Suggested-by: Richard Henderson <richard.hender...@linaro.org> > Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org> > --- > linux-user/syscall.c | 169 +++++----------------------------------- > linux-user/errnos.c.inc | 140 +++++++++++++++++++++++++++++++++ > 2 files changed, 161 insertions(+), 148 deletions(-) > create mode 100644 linux-user/errnos.c.inc > ... > diff --git a/linux-user/errnos.c.inc b/linux-user/errnos.c.inc > new file mode 100644 > index 00000000000..807c97ca25e > --- /dev/null > +++ b/linux-user/errnos.c.inc > @@ -0,0 +1,140 @@ ... > +#ifdef ERKFILL You fix it in patch 1 but forgot to report it in your patch :) Thanks, Laurent
