On 14 January 2015 at 12:14, Richard Biener <rguent...@suse.de> wrote:
> On Wed, 14 Jan 2015, Prathamesh Kulkarni wrote:
>
>> On 14 January 2015 at 17:31, Richard Biener <rguent...@suse.de> wrote:
>> > On Wed, 14 Jan 2015, Prathamesh Kulkarni wrote:
>> >
>> >> On 14 January 2015 at 11:16, Prathamesh Kulkarni
>> >> <prathamesh.kulka...@linaro.org> wrote:
>> >> > On 14 January 2015 at 16:40, Prathamesh Kulkarni
>> >> > <prathamesh.kulka...@linaro.org> wrote:
>> >> >> On 14 January 2015 at 14:34, Richard Biener <rguent...@suse.de> wrote:
>> >> >>> On Wed, 14 Jan 2015, Prathamesh Kulkarni wrote:
>> >> >>>
>> >> >>>> On 13 January 2015 at 22:02, Prathamesh Kulkarni
>> >> >>>> <prathamesh.kulka...@linaro.org> wrote:
>> >> >>>> > On 13 January 2015 at 16:06, Prathamesh Kulkarni
>> >> >>>> > <prathamesh.kulka...@linaro.org> wrote:
>> >> >>>> >> On 13 January 2015 at 15:34, Richard Biener <rguent...@suse.de> 
>> >> >>>> >> wrote:
>> >> >>>> >>> On Sun, 11 Jan 2015, Prathamesh Kulkarni wrote:
>> >> >>>> >>>
>> >> >>>> >>>> Hi,
>> >> >>>> >>>> This is a revamped expr.h flattening flattening patch rebased on
>> >> >>>> >>>> tree.h and tree-core.h flattening patch (r219402).
>> >> >>>> >>>> It depends upon the following patch to get committed.
>> >> >>>> >>>> https://gcc.gnu.org/ml/gcc-patches/2015-01/msg00565.html
>> >> >>>> >>>>
>> >> >>>> >>>> Changes:
>> >> >>>> >>>> * Removed all includes except tree-core.h. Put includes 
>> >> >>>> >>>> required by
>> >> >>>> >>>> expr.h in a comment.
>> >> >>>> >>>> * Moved stmt.c, expmed.c prototypes to stmt.h, expmed.h 
>> >> >>>> >>>> respectively.
>> >> >>>> >>>> * Adjusted generator programs: genemit.c, gengtype.c, 
>> >> >>>> >>>> genopinit.c, genoutput.c.
>> >> >>>> >>>> * Did not put includes in gcc-plugin.h since expr.h cannot be 
>> >> >>>> >>>> included
>> >> >>>> >>>> by plugins
>> >> >>>> >>>> (putting them broke building a file in c-family/ since expr.h 
>> >> >>>> >>>> is not
>> >> >>>> >>>> allowed in front-ends)
>> >> >>>> >>>> * Affects java front-end (expr.h is allowed in java front-end).
>> >> >>>> >>>>
>> >> >>>> >>>> Bootstrapped and tested on x86_64-unknown-linux-gnu with 
>> >> >>>> >>>> languages:
>> >> >>>> >>>> all,go,ada,jit
>> >> >>>> >>>> Built on all targets in config-list.mk with languages: all, go.
>> >> >>>> >>>> OK to commit ?
>> >> >>>> >>>
>> >> >>>> >>> diff --git a/gcc/expr.c b/gcc/expr.c
>> >> >>>> >>> index fc22862..824541e 100644
>> >> >>>> >>> --- a/gcc/expr.c
>> >> >>>> >>> +++ b/gcc/expr.c
>> >> >>>> >>> @@ -41,11 +41,17 @@ along with GCC; see the file COPYING3.  If 
>> >> >>>> >>> not see
>> >> >>>> >>>  #include "regs.h"
>> >> >>>> >>>  #include "hard-reg-set.h"
>> >> >>>> >>>  #include "except.h"
>> >> >>>> >>> -#include "input.h"
>> >> >>>> >>>  #include "function.h"
>> >> >>>> >>>  #include "insn-config.h"
>> >> >>>> >>>  #include "insn-attr.h"
>> >> >>>> >>>  /* Include expr.h after insn-config.h so we get 
>> >> >>>> >>> HAVE_conditional_move.
>> >> >>>> >>> */
>> >> >>>> >>> +#include "hashtab.h"
>> >> >>>> >>> +#include "emit-rtl.h"
>> >> >>>> >>> +#include "expmed.h"
>> >> >>>> >>> +#include "stmt.h"
>> >> >>>> >>> +#include "statistics.h"
>> >> >>>> >>> +#include "real.h"
>> >> >>>> >>> +#include "fixed-value.h"
>> >> >>>> >>>  #include "expr.h"
>> >> >>>> >>>
>> >> >>>> >>> Please move the comment to the proper place
>> >> >>>> >> ah, my flattening tool doesn't look at comments. I will move the
>> >> >>>> >> comment before expr.h include, thanks.
>> >> >>>> >>>
>> >> >>>> >>> diff --git a/gcc/expr.h b/gcc/expr.h
>> >> >>>> >>> index a7638b8..f1be8dc 100644
>> >> >>>> >>> --- a/gcc/expr.h
>> >> >>>> >>> +++ b/gcc/expr.h
>> >> >>>> >>> @@ -20,7 +20,8 @@ along with GCC; see the file COPYING3.  If not 
>> >> >>>> >>> see
>> >> >>>> >>>  #ifndef GCC_EXPR_H
>> >> >>>> >>>  #define GCC_EXPR_H
>> >> >>>> >>>
>> >> >>>> >>> -/* For inhibit_defer_pop */
>> >> >>>> >>> +/* expr.h required includes */
>> >> >>>> >>> +#if 0
>> >> >>>> >>>  #include "hashtab.h"
>> >> >>>> >>>  #include "hash-set.h"
>> >> >>>> >>>  #include "vec.h"
>> >> >>>> >>> @@ -29,15 +30,17 @@ along with GCC; see the file COPYING3.  If 
>> >> >>>> >>> not see
>> >> >>>> >>>  #include "hard-reg-set.h"
>> >> >>>> >>>  #include "input.h"
>> >> >>>> >>>  #include "function.h"
>> >> >>>> >>> -/* For XEXP, GEN_INT, rtx_code */
>> >> >>>> >>>  #include "rtl.h"
>> >> >>>> >>> -/* For optimize_size */
>> >> >>>> >>>  #include "flags.h"
>> >> >>>> >>> -/* For tree_fits_[su]hwi_p, tree_to_[su]hwi, fold_convert, 
>> >> >>>> >>> size_binop,
>> >> >>>> >>> -   ssize_int, TREE_CODE, TYPE_SIZE, int_size_in_bytes,    */
>> >> >>>> >>>  #include "tree-core.h"
>> >> >>>> >>> -/* For GET_MODE_BITSIZE, word_mode */
>> >> >>>> >>>  #include "insn-config.h"
>> >> >>>> >>> +#include "alias.h"
>> >> >>>> >>> +#include "emit-rtl.h"
>> >> >>>> >>> +#include "expmed.h"
>> >> >>>> >>> +#include "stmt.h"
>> >> >>>> >>> +#endif
>> >> >>>> >>>
>> >> >>>> >>> Err, please remove the #if 0 section
>> >> >>>> >> I kept it because if something breaks later (hopefully not!), it 
>> >> >>>> >> will
>> >> >>>> >> be easier to fix.
>> >> >>>> >> I will remove it.
>> >> >>>> >>>
>> >> >>>> >>> +
>> >> >>>> >>> +#include "tree-core.h"
>> >> >>>> >>>
>> >> >>>> >>> Why?  The original comment says
>> >> >>>> >>>
>> >> >>>> >>> -/* For tree_fits_[su]hwi_p, tree_to_[su]hwi, fold_convert, 
>> >> >>>> >>> size_binop,
>> >> >>>> >>> -   ssize_int, TREE_CODE, TYPE_SIZE, int_size_in_bytes,    */
>> >> >>>> >>>
>> >> >>>> >>> but all those are declared in tree.h.  Which means the files 
>> >> >>>> >>> including
>> >> >>>> >>> expr.h must already include tree.h.
>> >> >>>> >>>
>> >> >>>> >>> If that's not the reason we need to include tree-core.h from 
>> >> >>>> >>> expr.c
>> >> >>>> >>> please add a comment explaining why.
>> >> >>>> >> bt-load.c fails to compile because it includes expr.h but does not
>> >> >>>> >> include tree.h
>> >> >>>> >> I will place tree.h include in all files that include expr.h and 
>> >> >>>> >> rebuild.
>> >> >>>> > This is not going to work, since tree.h is now flattened. Shall 
>> >> >>>> > also
>> >> >>>> > require including all headers required by
>> >> >>>> > tree.h in all files that include expr.h. Could we retain 
>> >> >>>> > tree-core.h
>> >> >>>> > in expr.h for now ?
>> >> >>>> > Or should I insert tree.h (along with tree.h required includes) in 
>> >> >>>> > all
>> >> >>>> > files that include expr.h ?
>> >> >>>> I am including tree.h along with required includes in all files that
>> >> >>>> include expr.h.
>> >> >>>> This removes all includes from expr.h.
>> >> >>>
>> >> >>> Good.
>> >> >> The attached patch, refactors expr.h so that it only exports
>> >> >> prototypes from expr.c.
>> >> >> I kept int_expr_size() in explow.c instead of moving it to expr.c 
>> >> >> because it
>> >> >> called tree_expr_size() which is static in explow.c and has other 
>> >> >> callers too.
>> >> > Not really. It only has two callers expr_size() and int_expr_size().
>> >> > I will move definitions of int_expr_size(), tree_expr_size() and
>> >> > expr_size() to expr.c
>> >> > in followup patch.
>> >> This version moves the definitions of int_expr_size(), tree_expr_size() 
>> >> and
>> >> expr_size() to expr.c.
>> >> Bootstrapped on x86_64-unknown-linux-gnu.
>> >> Please let me know if there are any other changes required.
>> >> If the patch is fine, I will restart building on all targets in 
>> >> config-list.mk
>> >
>> > The new dojump.h and explow.h headers requires a copyright notice (see
>> > other headers for a boilerplate to copy)
>> Thanks.
>> >
>> > Otherwise this looks ok.
>> Thanks, I will start building on all targets in config-list.mk and
>> assuming there
>> are no build errors, shall I commit it ?
>
> Yes please.
Thanks. I had wrongly made eliminate_constant_term() static, reverted
that change and it builds on
all targets in config-list.mk.
Committed as r219655 (hopefully nothing breaks!).

Regards,
Prathamesh
>
> Richard.
>
>>
>> Regards,
>> Prathamesh
>> >
>> > Thanks,
>> > Richard.
>> >
>> >
>> >> Thanks,
>> >> Prathamesh
>> >> >>
>> >> >> Changes:
>> >> >> * New header files dojump.h, explow.h.
>> >> >> * Modified generator programs: gengtype.c, genemit.c, genopinit.c,
>> >> >> genoutput.c, config/tilepro/gen-mul-tables.cc.
>> >> >> * Affects java front-end (java/builtins.c includes expr.h).
>> >> >>
>> >> >> Bootstrapped and tested on x86_64-unknown-linux-gnu with languages:
>> >> >> all, go, ada, jit, obj-c++.
>> >> >> Build in progress on all targets in config-list.mk with languages: 
>> >> >> all, go.
>> >> >> Assuming the build goes fine, OK to commit ?
>> >> >>
>> >> >> Thanks,
>> >> >> Prathamesh
>> >> >>>
>> >> >>> Richard.
>> >>
>> >
>> > --
>> > Richard Biener <rguent...@suse.de>
>> > SUSE LINUX GmbH, GF: Felix Imendoerffer, Jane Smithard, Jennifer Guild,
>> > Dilip Upmanyu, Graham Norton HRB 21284 (AG Nuernberg)
>>
>>
>
> --
> Richard Biener <rguent...@suse.de>
> SUSE LINUX GmbH, GF: Felix Imendoerffer, Jane Smithard, Jennifer Guild,
> Dilip Upmanyu, Graham Norton HRB 21284 (AG Nuernberg)

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