From: Simon Marchi <simon.marchi@polymtl.ca>
To: gdb@sourceware.org
Subject: Re: [PATCH 1/2] gdb/csky-tdep.c: fix -Wunused-but-set-variable error
Date: Fri, 3 Dec 2021 16:31:52 -0500 [thread overview]
Message-ID: <795ecf05-ed64-38c6-ba70-c5f0687029fd@polymtl.ca> (raw)
In-Reply-To: <20211203213040.1425503-1-simon.marchi@polymtl.ca>
Sorry, wrong list :(. Please ignore.
On 2021-12-03 16:30, Simon Marchi wrote:
> Fix these, seen when building with clang 14:
>
> CXX csky-tdep.o
> /home/simark/src/binutils-gdb/gdb/csky-tdep.c:332:7: error: variable 'need_dummy_stack' set but not used [-Werror,-Wunused-but-set-variable]
> int need_dummy_stack = 0;
> ^
> /home/simark/src/binutils-gdb/gdb/csky-tdep.c:805:12: error: variable 'offset' set but not used [-Werror,-Wunused-but-set-variable]
> int offset = 0;
> ^
>
> Change-Id: I6703bcb50e83c50083f716f4084ef6aa30d659c4
> ---
> gdb/csky-tdep.c | 7 -------
> 1 file changed, 7 deletions(-)
>
> diff --git a/gdb/csky-tdep.c b/gdb/csky-tdep.c
> index 0b073fb6f629..3f591445aca4 100644
> --- a/gdb/csky-tdep.c
> +++ b/gdb/csky-tdep.c
> @@ -329,7 +329,6 @@ csky_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
> int argnum;
> int argreg = CSKY_ABI_A0_REGNUM;
> int last_arg_regnum = CSKY_ABI_LAST_ARG_REGNUM;
> - int need_dummy_stack = 0;
> enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
> std::vector<stack_item> stack_items;
>
> @@ -399,7 +398,6 @@ csky_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
> {
> /* The argument should be pushed onto the dummy stack. */
> stack_items.emplace_back (4, val);
> - need_dummy_stack += 4;
> }
> len -= partial_len;
> val += partial_len;
> @@ -802,21 +800,18 @@ csky_analyze_prologue (struct gdbarch *gdbarch,
> else if (CSKY_32_IS_PUSH (insn))
> {
> /* Push for 32_bit. */
> - int offset = 0;
> if (CSKY_32_IS_PUSH_R29 (insn))
> {
> stacksize += 4;
> register_offsets[29] = stacksize;
> if (csky_debug)
> print_savedreg_msg (29, register_offsets, false);
> - offset += 4;
> }
> if (CSKY_32_PUSH_LIST2 (insn))
> {
> int num = CSKY_32_PUSH_LIST2 (insn);
> int tmp = 0;
> stacksize += num * 4;
> - offset += num * 4;
> if (csky_debug)
> {
> fprintf_unfiltered (gdb_stdlog,
> @@ -842,14 +837,12 @@ csky_analyze_prologue (struct gdbarch *gdbarch,
> register_offsets[15] = stacksize;
> if (csky_debug)
> print_savedreg_msg (15, register_offsets, false);
> - offset += 4;
> }
> if (CSKY_32_PUSH_LIST1 (insn))
> {
> int num = CSKY_32_PUSH_LIST1 (insn);
> int tmp = 0;
> stacksize += num * 4;
> - offset += num * 4;
> if (csky_debug)
> {
> fprintf_unfiltered (gdb_stdlog,
>
prev parent reply other threads:[~2021-12-03 21:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-03 21:30 Simon Marchi
2021-12-03 21:30 ` [PATCH 2/2] gdb/microblaze-tdep.c: fix -Wunused-but-set-variable Simon Marchi
2021-12-03 21:31 ` Simon Marchi [this message]
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