Users might want to enable all features, without realizing some
features have negative effect. Mention the TCI feature is slow
and experimental, hoping it will be selected knowingly.

Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index 9f016b06b54..71bdc523aa0 100755
--- a/configure
+++ b/configure
@@ -1753,7 +1753,7 @@ Advanced options (experts only):
   --with-trace-file=NAME   Full PATH,NAME of file to store traces
                            Default:trace-<pid>
   --disable-slirp          disable SLIRP userspace network connectivity
-  --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
+  --enable-tcg-interpreter enable TCG with bytecode interpreter (experimental and slow)
   --enable-malloc-trim     enable libc malloc_trim() for memory optimization
   --oss-lib                path to OSS library
   --cpu=CPU                Build for host CPU [$cpu]
-- 
2.26.2

On 22/01/2021 11.58, Philippe Mathieu-Daudé wrote:
> Users might want to enable all features, without realizing some
> features have negative effect. Mention the TCI feature is slow
> and experimental, hoping it will be selected knowingly.
> 
> Suggested-by: Thomas Huth <thuth@redhat.com>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
>   configure | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/configure b/configure
> index 9f016b06b54..71bdc523aa0 100755
> --- a/configure
> +++ b/configure
> @@ -1753,7 +1753,7 @@ Advanced options (experts only):
>     --with-trace-file=NAME   Full PATH,NAME of file to store traces
>                              Default:trace-<pid>
>     --disable-slirp          disable SLIRP userspace network connectivity
> -  --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
> +  --enable-tcg-interpreter enable TCG with bytecode interpreter (experimental and slow)

I'd prefer if we could keep the "TCI" in there ... I remember having grep'ed 
for "tci" in the help output in the past, so I think it would be good to 
keep the TLA here. Maybe just put "TCI, slow" in the parantheses and omit 
"experimental"?

  Thomas