From: Jan-Benedict Glaw <jbglaw@lug-owl.de>
To: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Jakub Jelinek <jakub@redhat.com>,
Jeff Law <jlaw@ventanamicro.com>,
Richard Sandiford <richard.sandiford@arm.com>,
Andreas Krebbel <krebbel@gcc.gnu.org>,
gcc-patches@gcc.gnu.org,
Segher Boessenkool <segher@kernel.crashing.org>,
Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
Subject: Re: [PATCH v2 1/2] Implement ASM_DECLARE_FUNCTION_NAME using ASM_OUTPUT_FUNCTION_LABEL
Date: Fri, 12 Jan 2024 22:47:46 +0100 [thread overview]
Message-ID: <20240112214746.GA21521@lug-owl.de> (raw)
In-Reply-To: <20240102194511.3171559-2-iii@linux.ibm.com>
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On Tue, 2024-01-02 20:41:37 +0100, Ilya Leoshkevich <iii@linux.ibm.com> wrote:
> diff --git a/gcc/config/ia64/ia64.cc b/gcc/config/ia64/ia64.cc
> index ac566efcf19..92d00bf922f 100644
> --- a/gcc/config/ia64/ia64.cc
> +++ b/gcc/config/ia64/ia64.cc
> @@ -3886,8 +3886,7 @@ ia64_expand_prologue (void)
> /* Output the textual info surrounding the prologue. */
>
> void
> -ia64_start_function (FILE *file, const char *fnname,
> - tree decl ATTRIBUTE_UNUSED)
> +ia64_start_function (FILE *file, const char *fnname, tree decl)
> {
> #if TARGET_ABI_OPEN_VMS
> vms_start_function (fnname);
> @@ -3896,7 +3895,7 @@ ia64_start_function (FILE *file, const char *fnname,
> fputs ("\t.proc ", file);
> assemble_name (file, fnname);
> fputc ('\n', file);
> - ASM_OUTPUT_LABEL (file, fnname);
> + ASM_OUTPUT_FUNCTION_LABEL (file, fnname, decl);
> }
>
> /* Called after register allocation to add any instructions needed for the
Seems for this I'll get a new warning (forced to error by configuring
with --enable-werror-always), cf. http://toolchain.lug-owl.de/laminar/log/gcc-ia64-elf/48 :
[all 2024-01-12 16:32:32] /var/lib/laminar/run/gcc-ia64-elf/48/local-toolchain-install/bin/g++ -fno-PIE -c -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Wconditionally-supported -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -fno-PIE -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include -I../../gcc/gcc/../libcody -I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/dpd -I../libdecnumber -I../../gcc/gcc/../libbacktrace -o ia64.o -MT ia64.o -MMD -MP -MF ./.deps/ia64.TPo ../../gcc/gcc/config/ia64/ia64.cc
[all 2024-01-12 16:32:34] ../../gcc/gcc/config/ia64/ia64.cc: In function 'void ia64_start_function(FILE*, const char*, tree)':
[all 2024-01-12 16:32:34] ../../gcc/gcc/config/ia64/ia64.cc:3889:59: error: unused parameter 'decl' [-Werror=unused-parameter]
[all 2024-01-12 16:32:34] 3889 | ia64_start_function (FILE *file, const char *fnname, tree decl)
[all 2024-01-12 16:32:34] | ~~~~~^~~~
[all 2024-01-12 16:32:49] cc1plus: all warnings being treated as errors
[all 2024-01-12 16:32:49] make[1]: *** [Makefile:2555: ia64.o] Error 1
So the ATTRIBUTE_UNUSED seems to be a good cover, or update the
ASM_OUTPUT_FUNCTION_LABEL macro to always "use" its last argument.
MfG, JBG
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next prev parent reply other threads:[~2024-01-12 21:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-02 19:41 [PATCH v2 0/2] asan: Align .LASANPC on function boundary Ilya Leoshkevich
2024-01-02 19:41 ` [PATCH v2 1/2] Implement ASM_DECLARE_FUNCTION_NAME using ASM_OUTPUT_FUNCTION_LABEL Ilya Leoshkevich
2024-01-04 19:47 ` Jeff Law
2024-01-12 21:47 ` Jan-Benedict Glaw [this message]
2024-01-02 19:41 ` [PATCH v2 2/2] asan: Align .LASANPC on function boundary Ilya Leoshkevich
2024-01-09 18:55 ` Jeff Law
2024-01-09 19:44 ` Ilya Leoshkevich
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