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From: Simon Marchi <simark@simark.ca>
To: Tom Tromey <tom@tromey.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [RFA 01/13] Simple unused variable removals
Date: Sat, 14 Jul 2018 21:56:00 -0000	[thread overview]
Message-ID: <eea7c4a9-b3b5-2321-4ded-055ef2f6d521@simark.ca> (raw)
In-Reply-To: <87in5i9ej4.fsf@tromey.com>

On 2018-07-14 08:40 AM, Tom Tromey wrote:
>>>>>> "Simon" == Simon Marchi <simark@simark.ca> writes:
> 
> Simon> -      CORE_ADDR size = extract_unsigned_integer (ovly_table + 16*i + 4,
> Simon> -						 4, byte_order);
> 
> Simon> I wondered this was a bug (should that variable really be used), but I
> Simon> wouldn't know without some quite extensive research...  so all-in-all, LGTM.
> 
> Yes, this one was on the bubble and I almost put it in its own patch...
> I can't recall offhand if there were others like this.
> 
> Tom
> 


And here's another one that I think is less obvious.  The call has side-effects
(it allocates the per-inferior data), but I don't think it's really needed.


From 4014eefe405a66c6e2ade325e14ed891e9f0f62a Mon Sep 17 00:00:00 2001
From: Simon Marchi <simon.marchi@polymtl.ca>
Date: Fri, 13 Jul 2018 23:09:04 -0400
Subject: [PATCH] semi-obvious

---
 gdb/remote-sim.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/gdb/remote-sim.c b/gdb/remote-sim.c
index cc7a6f27fc99..d30b38ecb7ce 100644
--- a/gdb/remote-sim.c
+++ b/gdb/remote-sim.c
@@ -831,9 +831,6 @@ gdbsim_close_inferior (struct inferior *inf, void *arg)
 void
 gdbsim_target::close ()
 {
-  struct sim_inferior_data *sim_data
-    = get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NOT_NEEDED);
-
   if (remote_debug)
     fprintf_unfiltered (gdb_stdlog, "gdbsim_close\n");

@@ -1184,9 +1181,6 @@ gdbsim_target::files_info ()
 void
 gdbsim_target::mourn_inferior ()
 {
-  struct sim_inferior_data *sim_data
-    = get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NOT_NEEDED);
-
   if (remote_debug)
     fprintf_unfiltered (gdb_stdlog, "gdbsim_mourn_inferior:\n");

-- 
2.18.0


  parent reply	other threads:[~2018-07-14 21:56 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-12 20:52 [RFA 00/13] Add -Wunused-variable Tom Tromey
2018-07-12 20:52 ` [RFA 12/13] Add ATTRIBUTE_UNUSED to regdat.sh output Tom Tromey
2018-07-16 15:11   ` Pedro Alves
2018-07-16 16:41     ` Tom Tromey
2018-07-16 17:54       ` Pedro Alves
2018-07-16 19:06         ` Tom Tromey
2018-07-16 21:12           ` Tom Tromey
2018-07-12 20:52 ` [RFA 03/13] Use a previously unused variable in bfin-tdep.c Tom Tromey
2018-07-14  1:17   ` Simon Marchi
2018-07-12 20:52 ` [RFA 05/13] Make a few calls in *-tdep.c for effect Tom Tromey
2018-07-12 21:58   ` Simon Marchi
2018-07-13 20:47     ` Tom Tromey
2018-07-16 14:03     ` Pedro Alves
2018-07-12 20:52 ` [RFA 07/13] Remove unused declaration from py-prettyprint.c Tom Tromey
2018-07-14  1:24   ` Simon Marchi
2018-07-14 12:39     ` Tom Tromey
2018-07-16 14:11       ` Pedro Alves
2018-07-12 20:52 ` [RFA 01/13] Simple unused variable removals Tom Tromey
2018-07-14  1:15   ` Simon Marchi
2018-07-14 12:40     ` Tom Tromey
2018-07-14 21:54       ` Simon Marchi
2018-07-14 21:56       ` Simon Marchi [this message]
2018-07-16 13:38         ` Pedro Alves
2018-07-16 13:33       ` Pedro Alves
2018-07-16 15:35         ` Tom Tromey
2018-07-12 20:52 ` [RFA 09/13] Pass the correct argument to the observer in reread_symbols Tom Tromey
2018-07-13  2:49   ` Simon Marchi
2018-07-14  1:25     ` Simon Marchi
2018-07-12 20:52 ` [RFA 06/13] Remove dead code from m32c-tdep.c Tom Tromey
2018-07-12 22:18   ` Simon Marchi
2018-07-13 20:49     ` Tom Tromey
2018-07-12 20:52 ` [RFA 10/13] Remove unused declaration from value.c Tom Tromey
2018-07-13  2:52   ` Simon Marchi
2018-07-13 20:51     ` Tom Tromey
2018-07-13 21:49       ` Simon Marchi
2018-07-16 14:02         ` Pedro Alves
2018-07-16 15:34           ` Tom Tromey
2018-07-12 20:52 ` [RFA 11/13] Remove unused variables from gdbserver Tom Tromey
2018-07-14  2:47   ` Simon Marchi
2018-07-16 14:16     ` Pedro Alves
2018-07-12 20:52 ` [RFA 08/13] Fix ravenscar-thread.c to use arch_ops Tom Tromey
2018-07-14  1:25   ` Simon Marchi
2018-07-16 13:59     ` Pedro Alves
2018-07-16 15:36       ` Tom Tromey
2018-07-16 16:43         ` Pedro Alves
2018-07-12 20:52 ` [RFA 04/13] Call some functions in guile/ for effect Tom Tromey
2018-07-14  1:19   ` Simon Marchi
2018-07-14 12:39     ` Tom Tromey
2018-07-16 13:54       ` Pedro Alves
2018-07-16 15:58         ` Tom Tromey
2018-07-12 20:52 ` [RFA 02/13] Unused variable fixes related to conditional compilation Tom Tromey
2018-07-14  1:16   ` Simon Marchi
2018-07-14 21:50     ` Simon Marchi
2018-07-16 13:45       ` Pedro Alves
2018-07-22  2:25         ` Simon Marchi
2018-07-12 20:52 ` [RFA 13/13] Add -Wunused-variable to warnings.m4 Tom Tromey

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