[v2] gimple-fold: consistent dump of builtin call simplifications

Message ID CACpoBpmCB9Ds4pV2UHO4hcudv_h2Ern_fzkeMDD1aRtTw72KBQ@mail.gmail.com
State New
Headers
Series [v2] gimple-fold: consistent dump of builtin call simplifications |

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Context Check Description
linaro-tcwg-bot/tcwg_gcc_build--master-arm fail Patch failed to apply
linaro-tcwg-bot/tcwg_gcc_build--master-aarch64 fail Patch failed to apply

Commit Message

Rubin Gerritsen July 16, 2024, 7:29 p.m. UTC
  Changes since v1:
 * Added DCO signoff
 * Removed tabs from commit message
  

Comments

Richard Biener July 17, 2024, 10:47 a.m. UTC | #1
On Tue, Jul 16, 2024 at 9:30 PM rubin.gerritsen <rubin_ge@hotmail.com> wrote:
>
> Changes since v1:
>  * Added DCO signoff
>  * Removed tabs from commit message
>
> --
> Previously only simplifications of the `__st[xrp]cpy_chk`
> were dumped. Now all call replacement simplifications are
> dumped.
>
> Examples of statements with corresponding dumpfile entries:
>
> `printf("mystr\n");`:
>   optimized: simplified printf to __builtin_puts
> `printf("%c", 'a');`:
>   optimized: simplified printf to __builtin_putchar
> `printf("%s\n", "mystr");`:
>   optimized: simplified printf to __builtin_puts
>
> The below test suites passed for this patch
> * The x86 bootstrap test.
> * Manual testing with some small example code manually
>   examining dump logs, outputting the lines mentioned above.

OK.

I'll push this for you.

Richard.

> gcc/ChangeLog:
>
> * gimple-fold.cc (dump_transformation): Moved definition.
> (replace_call_with_call_and_fold): Calls dump_transformation.
> (gimple_fold_builtin_stxcpy_chk): Removes call to
> dump_transformation, now in replace_call_with_call_and_fold.
> (gimple_fold_builtin_stxncpy_chk): Removes call to
>         dump_transformation, now in replace_call_with_call_and_fold.
>
> Signed-off-by: Rubin Gerritsen <rubin.gerritsen@gmail.com>
> ---
>  gcc/gimple-fold.cc | 22 ++++++++++------------
>  1 file changed, 10 insertions(+), 12 deletions(-)
>
> diff --git a/gcc/gimple-fold.cc b/gcc/gimple-fold.cc
> index 7c534d56bf1..b20d3a2ff9a 100644
> --- a/gcc/gimple-fold.cc
> +++ b/gcc/gimple-fold.cc
> @@ -802,6 +802,15 @@ gimplify_and_update_call_from_tree (gimple_stmt_iterator *si_p, tree expr)
>    gsi_replace_with_seq_vops (si_p, stmts);
>  }
>
> +/* Print a message in the dump file recording transformation of FROM to TO.  */
> +
> +static void
> +dump_transformation (gcall *from, gcall *to)
> +{
> +  if (dump_enabled_p ())
> +    dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, from, "simplified %T to %T\n",
> +      gimple_call_fn (from), gimple_call_fn (to));
> +}
>
>  /* Replace the call at *GSI with the gimple value VAL.  */
>
> @@ -835,6 +844,7 @@ static void
>  replace_call_with_call_and_fold (gimple_stmt_iterator *gsi, gimple *repl)
>  {
>    gimple *stmt = gsi_stmt (*gsi);
> +  dump_transformation (as_a <gcall *> (stmt), as_a <gcall *> (repl));
>    gimple_call_set_lhs (repl, gimple_call_lhs (stmt));
>    gimple_set_location (repl, gimple_location (stmt));
>    gimple_move_vops (repl, stmt);
> @@ -3090,16 +3100,6 @@ gimple_fold_builtin_memory_chk (gimple_stmt_iterator *gsi,
>    return true;
>  }
>
> -/* Print a message in the dump file recording transformation of FROM to TO.  */
> -
> -static void
> -dump_transformation (gcall *from, gcall *to)
> -{
> -  if (dump_enabled_p ())
> -    dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, from, "simplified %T to %T\n",
> -      gimple_call_fn (from), gimple_call_fn (to));
> -}
> -
>  /* Fold a call to the __st[rp]cpy_chk builtin.
>     DEST, SRC, and SIZE are the arguments to the call.
>     IGNORE is true if return value can be ignored.  FCODE is the BUILT_IN_*
> @@ -3189,7 +3189,6 @@ gimple_fold_builtin_stxcpy_chk (gimple_stmt_iterator *gsi,
>      return false;
>
>    gcall *repl = gimple_build_call (fn, 2, dest, src);
> -  dump_transformation (stmt, repl);
>    replace_call_with_call_and_fold (gsi, repl);
>    return true;
>  }
> @@ -3235,7 +3234,6 @@ gimple_fold_builtin_stxncpy_chk (gimple_stmt_iterator *gsi,
>      return false;
>
>    gcall *repl = gimple_build_call (fn, 3, dest, src, len);
> -  dump_transformation (stmt, repl);
>    replace_call_with_call_and_fold (gsi, repl);
>    return true;
>  }
> --
> 2.34.1
>
  
Richard Biener July 17, 2024, 11:01 a.m. UTC | #2
On Wed, Jul 17, 2024 at 12:47 PM Richard Biener
<richard.guenther@gmail.com> wrote:
>
> On Tue, Jul 16, 2024 at 9:30 PM rubin.gerritsen <rubin_ge@hotmail.com> wrote:
> >
> > Changes since v1:
> >  * Added DCO signoff
> >  * Removed tabs from commit message
> >
> > --
> > Previously only simplifications of the `__st[xrp]cpy_chk`
> > were dumped. Now all call replacement simplifications are
> > dumped.
> >
> > Examples of statements with corresponding dumpfile entries:
> >
> > `printf("mystr\n");`:
> >   optimized: simplified printf to __builtin_puts
> > `printf("%c", 'a');`:
> >   optimized: simplified printf to __builtin_putchar
> > `printf("%s\n", "mystr");`:
> >   optimized: simplified printf to __builtin_puts
> >
> > The below test suites passed for this patch
> > * The x86 bootstrap test.
> > * Manual testing with some small example code manually
> >   examining dump logs, outputting the lines mentioned above.
>
> OK.
>
> I'll push this for you.

Can you please post the patch as generated by
git format-patch and attach it?  I have problems with your
mailer wrapping lines and even with that fixed the patch
not applying with git am.

Richard.

> Richard.
>
> > gcc/ChangeLog:
> >
> > * gimple-fold.cc (dump_transformation): Moved definition.
> > (replace_call_with_call_and_fold): Calls dump_transformation.
> > (gimple_fold_builtin_stxcpy_chk): Removes call to
> > dump_transformation, now in replace_call_with_call_and_fold.
> > (gimple_fold_builtin_stxncpy_chk): Removes call to
> >         dump_transformation, now in replace_call_with_call_and_fold.
> >
> > Signed-off-by: Rubin Gerritsen <rubin.gerritsen@gmail.com>
> > ---
> >  gcc/gimple-fold.cc | 22 ++++++++++------------
> >  1 file changed, 10 insertions(+), 12 deletions(-)
> >
> > diff --git a/gcc/gimple-fold.cc b/gcc/gimple-fold.cc
> > index 7c534d56bf1..b20d3a2ff9a 100644
> > --- a/gcc/gimple-fold.cc
> > +++ b/gcc/gimple-fold.cc
> > @@ -802,6 +802,15 @@ gimplify_and_update_call_from_tree (gimple_stmt_iterator *si_p, tree expr)
> >    gsi_replace_with_seq_vops (si_p, stmts);
> >  }
> >
> > +/* Print a message in the dump file recording transformation of FROM to TO.  */
> > +
> > +static void
> > +dump_transformation (gcall *from, gcall *to)
> > +{
> > +  if (dump_enabled_p ())
> > +    dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, from, "simplified %T to %T\n",
> > +      gimple_call_fn (from), gimple_call_fn (to));
> > +}
> >
> >  /* Replace the call at *GSI with the gimple value VAL.  */
> >
> > @@ -835,6 +844,7 @@ static void
> >  replace_call_with_call_and_fold (gimple_stmt_iterator *gsi, gimple *repl)
> >  {
> >    gimple *stmt = gsi_stmt (*gsi);
> > +  dump_transformation (as_a <gcall *> (stmt), as_a <gcall *> (repl));
> >    gimple_call_set_lhs (repl, gimple_call_lhs (stmt));
> >    gimple_set_location (repl, gimple_location (stmt));
> >    gimple_move_vops (repl, stmt);
> > @@ -3090,16 +3100,6 @@ gimple_fold_builtin_memory_chk (gimple_stmt_iterator *gsi,
> >    return true;
> >  }
> >
> > -/* Print a message in the dump file recording transformation of FROM to TO.  */
> > -
> > -static void
> > -dump_transformation (gcall *from, gcall *to)
> > -{
> > -  if (dump_enabled_p ())
> > -    dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, from, "simplified %T to %T\n",
> > -      gimple_call_fn (from), gimple_call_fn (to));
> > -}
> > -
> >  /* Fold a call to the __st[rp]cpy_chk builtin.
> >     DEST, SRC, and SIZE are the arguments to the call.
> >     IGNORE is true if return value can be ignored.  FCODE is the BUILT_IN_*
> > @@ -3189,7 +3189,6 @@ gimple_fold_builtin_stxcpy_chk (gimple_stmt_iterator *gsi,
> >      return false;
> >
> >    gcall *repl = gimple_build_call (fn, 2, dest, src);
> > -  dump_transformation (stmt, repl);
> >    replace_call_with_call_and_fold (gsi, repl);
> >    return true;
> >  }
> > @@ -3235,7 +3234,6 @@ gimple_fold_builtin_stxncpy_chk (gimple_stmt_iterator *gsi,
> >      return false;
> >
> >    gcall *repl = gimple_build_call (fn, 3, dest, src, len);
> > -  dump_transformation (stmt, repl);
> >    replace_call_with_call_and_fold (gsi, repl);
> >    return true;
> >  }
> > --
> > 2.34.1
> >
  
Rubin Gerritsen July 17, 2024, 7:07 p.m. UTC | #3
Sorry for the inconvenience, here the patch is attached as an attachment.

Rubin
________________________________
From: Richard Biener <richard.guenther@gmail.com>
Sent: 17 July 2024 1:01 PM
To: rubin.gerritsen <rubin_ge@hotmail.com>
Cc: gcc-patches@gcc.gnu.org <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH v2] gimple-fold: consistent dump of builtin call simplifications

On Wed, Jul 17, 2024 at 12:47 PM Richard Biener
<richard.guenther@gmail.com> wrote:
>
> On Tue, Jul 16, 2024 at 9:30 PM rubin.gerritsen <rubin_ge@hotmail.com> wrote:
> >
> > Changes since v1:
> >  * Added DCO signoff
> >  * Removed tabs from commit message
> >
> > --
> > Previously only simplifications of the `__st[xrp]cpy_chk`
> > were dumped. Now all call replacement simplifications are
> > dumped.
> >
> > Examples of statements with corresponding dumpfile entries:
> >
> > `printf("mystr\n");`:
> >   optimized: simplified printf to __builtin_puts
> > `printf("%c", 'a');`:
> >   optimized: simplified printf to __builtin_putchar
> > `printf("%s\n", "mystr");`:
> >   optimized: simplified printf to __builtin_puts
> >
> > The below test suites passed for this patch
> > * The x86 bootstrap test.
> > * Manual testing with some small example code manually
> >   examining dump logs, outputting the lines mentioned above.
>
> OK.
>
> I'll push this for you.

Can you please post the patch as generated by
git format-patch and attach it?  I have problems with your
mailer wrapping lines and even with that fixed the patch
not applying with git am.

Richard.

> Richard.
>
> > gcc/ChangeLog:
> >
> > * gimple-fold.cc (dump_transformation): Moved definition.
> > (replace_call_with_call_and_fold): Calls dump_transformation.
> > (gimple_fold_builtin_stxcpy_chk): Removes call to
> > dump_transformation, now in replace_call_with_call_and_fold.
> > (gimple_fold_builtin_stxncpy_chk): Removes call to
> >         dump_transformation, now in replace_call_with_call_and_fold.
> >
> > Signed-off-by: Rubin Gerritsen <rubin.gerritsen@gmail.com>
> > ---
> >  gcc/gimple-fold.cc | 22 ++++++++++------------
> >  1 file changed, 10 insertions(+), 12 deletions(-)
> >
> > diff --git a/gcc/gimple-fold.cc b/gcc/gimple-fold.cc
> > index 7c534d56bf1..b20d3a2ff9a 100644
> > --- a/gcc/gimple-fold.cc
> > +++ b/gcc/gimple-fold.cc
> > @@ -802,6 +802,15 @@ gimplify_and_update_call_from_tree (gimple_stmt_iterator *si_p, tree expr)
> >    gsi_replace_with_seq_vops (si_p, stmts);
> >  }
> >
> > +/* Print a message in the dump file recording transformation of FROM to TO.  */
> > +
> > +static void
> > +dump_transformation (gcall *from, gcall *to)
> > +{
> > +  if (dump_enabled_p ())
> > +    dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, from, "simplified %T to %T\n",
> > +      gimple_call_fn (from), gimple_call_fn (to));
> > +}
> >
> >  /* Replace the call at *GSI with the gimple value VAL.  */
> >
> > @@ -835,6 +844,7 @@ static void
> >  replace_call_with_call_and_fold (gimple_stmt_iterator *gsi, gimple *repl)
> >  {
> >    gimple *stmt = gsi_stmt (*gsi);
> > +  dump_transformation (as_a <gcall *> (stmt), as_a <gcall *> (repl));
> >    gimple_call_set_lhs (repl, gimple_call_lhs (stmt));
> >    gimple_set_location (repl, gimple_location (stmt));
> >    gimple_move_vops (repl, stmt);
> > @@ -3090,16 +3100,6 @@ gimple_fold_builtin_memory_chk (gimple_stmt_iterator *gsi,
> >    return true;
> >  }
> >
> > -/* Print a message in the dump file recording transformation of FROM to TO.  */
> > -
> > -static void
> > -dump_transformation (gcall *from, gcall *to)
> > -{
> > -  if (dump_enabled_p ())
> > -    dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, from, "simplified %T to %T\n",
> > -      gimple_call_fn (from), gimple_call_fn (to));
> > -}
> > -
> >  /* Fold a call to the __st[rp]cpy_chk builtin.
> >     DEST, SRC, and SIZE are the arguments to the call.
> >     IGNORE is true if return value can be ignored.  FCODE is the BUILT_IN_*
> > @@ -3189,7 +3189,6 @@ gimple_fold_builtin_stxcpy_chk (gimple_stmt_iterator *gsi,
> >      return false;
> >
> >    gcall *repl = gimple_build_call (fn, 2, dest, src);
> > -  dump_transformation (stmt, repl);
> >    replace_call_with_call_and_fold (gsi, repl);
> >    return true;
> >  }
> > @@ -3235,7 +3234,6 @@ gimple_fold_builtin_stxncpy_chk (gimple_stmt_iterator *gsi,
> >      return false;
> >
> >    gcall *repl = gimple_build_call (fn, 3, dest, src, len);
> > -  dump_transformation (stmt, repl);
> >    replace_call_with_call_and_fold (gsi, repl);
> >    return true;
> >  }
> > --
> > 2.34.1
> >
  
Richard Biener July 18, 2024, 7:45 a.m. UTC | #4
On Wed, Jul 17, 2024 at 9:07 PM Rubin Gerritsen <rubin_ge@hotmail.com> wrote:
>
> Sorry for the inconvenience, here the patch is attached as an attachment.

Pushed as r15-2134-gcee56fe0ba757c

> Rubin
> ________________________________
> From: Richard Biener <richard.guenther@gmail.com>
> Sent: 17 July 2024 1:01 PM
> To: rubin.gerritsen <rubin_ge@hotmail.com>
> Cc: gcc-patches@gcc.gnu.org <gcc-patches@gcc.gnu.org>
> Subject: Re: [PATCH v2] gimple-fold: consistent dump of builtin call simplifications
>
> On Wed, Jul 17, 2024 at 12:47 PM Richard Biener
> <richard.guenther@gmail.com> wrote:
> >
> > On Tue, Jul 16, 2024 at 9:30 PM rubin.gerritsen <rubin_ge@hotmail.com> wrote:
> > >
> > > Changes since v1:
> > >  * Added DCO signoff
> > >  * Removed tabs from commit message
> > >
> > > --
> > > Previously only simplifications of the `__st[xrp]cpy_chk`
> > > were dumped. Now all call replacement simplifications are
> > > dumped.
> > >
> > > Examples of statements with corresponding dumpfile entries:
> > >
> > > `printf("mystr\n");`:
> > >   optimized: simplified printf to __builtin_puts
> > > `printf("%c", 'a');`:
> > >   optimized: simplified printf to __builtin_putchar
> > > `printf("%s\n", "mystr");`:
> > >   optimized: simplified printf to __builtin_puts
> > >
> > > The below test suites passed for this patch
> > > * The x86 bootstrap test.
> > > * Manual testing with some small example code manually
> > >   examining dump logs, outputting the lines mentioned above.
> >
> > OK.
> >
> > I'll push this for you.
>
> Can you please post the patch as generated by
> git format-patch and attach it?  I have problems with your
> mailer wrapping lines and even with that fixed the patch
> not applying with git am.
>
> Richard.
>
> > Richard.
> >
> > > gcc/ChangeLog:
> > >
> > > * gimple-fold.cc (dump_transformation): Moved definition.
> > > (replace_call_with_call_and_fold): Calls dump_transformation.
> > > (gimple_fold_builtin_stxcpy_chk): Removes call to
> > > dump_transformation, now in replace_call_with_call_and_fold.
> > > (gimple_fold_builtin_stxncpy_chk): Removes call to
> > >         dump_transformation, now in replace_call_with_call_and_fold.
> > >
> > > Signed-off-by: Rubin Gerritsen <rubin.gerritsen@gmail.com>
> > > ---
> > >  gcc/gimple-fold.cc | 22 ++++++++++------------
> > >  1 file changed, 10 insertions(+), 12 deletions(-)
> > >
> > > diff --git a/gcc/gimple-fold.cc b/gcc/gimple-fold.cc
> > > index 7c534d56bf1..b20d3a2ff9a 100644
> > > --- a/gcc/gimple-fold.cc
> > > +++ b/gcc/gimple-fold.cc
> > > @@ -802,6 +802,15 @@ gimplify_and_update_call_from_tree (gimple_stmt_iterator *si_p, tree expr)
> > >    gsi_replace_with_seq_vops (si_p, stmts);
> > >  }
> > >
> > > +/* Print a message in the dump file recording transformation of FROM to TO.  */
> > > +
> > > +static void
> > > +dump_transformation (gcall *from, gcall *to)
> > > +{
> > > +  if (dump_enabled_p ())
> > > +    dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, from, "simplified %T to %T\n",
> > > +      gimple_call_fn (from), gimple_call_fn (to));
> > > +}
> > >
> > >  /* Replace the call at *GSI with the gimple value VAL.  */
> > >
> > > @@ -835,6 +844,7 @@ static void
> > >  replace_call_with_call_and_fold (gimple_stmt_iterator *gsi, gimple *repl)
> > >  {
> > >    gimple *stmt = gsi_stmt (*gsi);
> > > +  dump_transformation (as_a <gcall *> (stmt), as_a <gcall *> (repl));
> > >    gimple_call_set_lhs (repl, gimple_call_lhs (stmt));
> > >    gimple_set_location (repl, gimple_location (stmt));
> > >    gimple_move_vops (repl, stmt);
> > > @@ -3090,16 +3100,6 @@ gimple_fold_builtin_memory_chk (gimple_stmt_iterator *gsi,
> > >    return true;
> > >  }
> > >
> > > -/* Print a message in the dump file recording transformation of FROM to TO.  */
> > > -
> > > -static void
> > > -dump_transformation (gcall *from, gcall *to)
> > > -{
> > > -  if (dump_enabled_p ())
> > > -    dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, from, "simplified %T to %T\n",
> > > -      gimple_call_fn (from), gimple_call_fn (to));
> > > -}
> > > -
> > >  /* Fold a call to the __st[rp]cpy_chk builtin.
> > >     DEST, SRC, and SIZE are the arguments to the call.
> > >     IGNORE is true if return value can be ignored.  FCODE is the BUILT_IN_*
> > > @@ -3189,7 +3189,6 @@ gimple_fold_builtin_stxcpy_chk (gimple_stmt_iterator *gsi,
> > >      return false;
> > >
> > >    gcall *repl = gimple_build_call (fn, 2, dest, src);
> > > -  dump_transformation (stmt, repl);
> > >    replace_call_with_call_and_fold (gsi, repl);
> > >    return true;
> > >  }
> > > @@ -3235,7 +3234,6 @@ gimple_fold_builtin_stxncpy_chk (gimple_stmt_iterator *gsi,
> > >      return false;
> > >
> > >    gcall *repl = gimple_build_call (fn, 3, dest, src, len);
> > > -  dump_transformation (stmt, repl);
> > >    replace_call_with_call_and_fold (gsi, repl);
> > >    return true;
> > >  }
> > > --
> > > 2.34.1
> > >
  

Patch

diff --git a/gcc/gimple-fold.cc b/gcc/gimple-fold.cc
index 7c534d56bf1..b20d3a2ff9a 100644
--- a/gcc/gimple-fold.cc
+++ b/gcc/gimple-fold.cc
@@ -802,6 +802,15 @@  gimplify_and_update_call_from_tree
(gimple_stmt_iterator *si_p, tree expr)
   gsi_replace_with_seq_vops (si_p, stmts);
 }

+/* Print a message in the dump file recording transformation of FROM to
TO.  */
+
+static void
+dump_transformation (gcall *from, gcall *to)
+{
+  if (dump_enabled_p ())
+    dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, from, "simplified %T to
%T\n",
+      gimple_call_fn (from), gimple_call_fn (to));
+}