Re: [PATCH 2/5] target/arm: Rename helper template headers as '.h.inc'

[Philippe Mathieu-Daudé]

On 6/6/23 16:37, Richard Henderson wrote:
> On 6/6/23 07:12, Philippe Mathieu-Daudé wrote:
> > Since commit 139c1837db ("meson: rename included C source files
> > to .c.inc"), QEMU standard procedure for included C files is to
> > use *.c.inc.
> >
> > Besides, since commit 6a0057aa22 ("docs/devel: make a statement
> > about includes") this is documented as the Coding Style:
> >
> >    If you do use template header files they should be named with
> >    the ``.c.inc`` or ``.h.inc`` suffix to make it clear they are
> >    being included for expansion.
> >
> > Therefore rename the included templates as '.h.inc'.
> >
> > Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
>
> FYI, after yesterday's tcg pr, we can do more than this.  These 
> fragments no longer have to be all included into one common helper.h. 
> Each translate-foo.c can include only the helper-foo.h.inc bits that 
> they need, and the bits need not be visible to the rest of the front end.

Don't we need foo fully converted to decodetree first? Otherwise
generic translate code can call foo helpers, so needs their prototype
declaration.

For example in translate-a64.c handle_msr_i(SVCR) calls
gen_helper_set_svcr() which is declared in helper-sme.h.

> It was something that I had in mind when splitting 
> include/exec/helper-gen.h, but the patch set was already large enough.
>
> The renaming to .h.inc would have been the first step, anyway.
>
>
> r~