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Thu, 6 Oct 2022 05:33:45 +0000 (UTC) Message-ID: <7d4dff89-0026-35c3-996d-d7e9e934a3f8@irq.a4lg.com> Date: Thu, 6 Oct 2022 14:33:44 +0900 Mime-Version: 1.0 Subject: Re: [PATCH 3/4] sim: Make WITH_{TRACE,PROFILE}-based macros bool Content-Language: en-US To: Andrew Burgess References: <87k05efqjy.fsf@redhat.com> In-Reply-To: <87k05efqjy.fsf@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Tsukasa OI via Gdb-patches Reply-To: Tsukasa OI Cc: gdb-patches@sourceware.org Errors-To: gdb-patches-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb-patches" On 2022/10/05 20:38, Andrew Burgess wrote: > Tsukasa OI writes: > >> Clang generates a warning if an ambiguous expression (possibly a bitwise >> operation (& or |) but a logical operator (&& or ||) is used) is detected. >> Because of the default configuration ("-Werror"), it causes a build failure. >> >> This is caused by predicate macros that use (base_variable & flag). >> Clang considers them as regular integer values (not boolean) and >> generates that warning. >> >> This commit makes Clang to think those predicate macros to be boolean. >> >> sim/ChangeLog: >> >> * common/sim-profile.h (WITH_PROFILE_INSN_P, WITH_PROFILE_MEMORY_P, >> WITH_PROFILE_MODEL_P, WITH_PROFILE_SCACHE_P, WITH_PROFILE_PC_P, >> WITH_PROFILE_CORE_P): Make predicate macros boolean. >> * common/sim-trace.h (WITH_TRACE_P, WITH_TRACE_ANY_P): Likewise. >> --- >> sim/common/sim-profile.h | 12 ++++++------ >> sim/common/sim-trace.h | 4 ++-- >> 2 files changed, 8 insertions(+), 8 deletions(-) >> >> diff --git a/sim/common/sim-profile.h b/sim/common/sim-profile.h >> index 61d5039e10d..acf0f7d74e2 100644 >> --- a/sim/common/sim-profile.h >> +++ b/sim/common/sim-profile.h >> @@ -87,12 +87,12 @@ SIM_RC sim_profile_set_option (SIM_DESC sd_, const char *name_, int idx_, >> #define PROFILE_core (1 << PROFILE_CORE_IDX) >> >> /* Preprocessor macros to simplify tests of WITH_PROFILE. */ >> -#define WITH_PROFILE_INSN_P (WITH_PROFILE & PROFILE_insn) >> -#define WITH_PROFILE_MEMORY_P (WITH_PROFILE & PROFILE_memory) >> -#define WITH_PROFILE_MODEL_P (WITH_PROFILE & PROFILE_model) >> -#define WITH_PROFILE_SCACHE_P (WITH_PROFILE & PROFILE_scache) >> -#define WITH_PROFILE_PC_P (WITH_PROFILE & PROFILE_pc) >> -#define WITH_PROFILE_CORE_P (WITH_PROFILE & PROFILE_core) >> +#define WITH_PROFILE_INSN_P (!!(WITH_PROFILE & PROFILE_insn)) >> +#define WITH_PROFILE_MEMORY_P (!!(WITH_PROFILE & PROFILE_memory)) >> +#define WITH_PROFILE_MODEL_P (!!(WITH_PROFILE & PROFILE_model)) >> +#define WITH_PROFILE_SCACHE_P (!!(WITH_PROFILE & PROFILE_scache)) >> +#define WITH_PROFILE_PC_P (!!(WITH_PROFILE & PROFILE_pc)) >> +#define WITH_PROFILE_CORE_P (!!(WITH_PROFILE & PROFILE_core)) > > Rather than using this '!!' trick, which I'm really not a fan of, could > we just do: > > #define WITH_PROFILE_CORE_P ((WITH_PROFILE & PROFILE_core) != 0) > > I feel this is an accurate representation of the question we're actually > asking. > > Thanks, > Andrew That will work. That's my habit from old time. I'll fix that and resubmit the patchset. Thanks, Tsukasa > > >> >> /* If MAX_TARGET_MODES isn't defined, we can't do memory profiling. >> ??? It is intended that this is a temporary occurrence. Normally >> diff --git a/sim/common/sim-trace.h b/sim/common/sim-trace.h >> index d08810d9fcc..bc3e690a4cc 100644 >> --- a/sim/common/sim-trace.h >> +++ b/sim/common/sim-trace.h >> @@ -125,10 +125,10 @@ enum { >> #define TRACE_debug (1 << TRACE_DEBUG_IDX) >> >> /* Return non-zero if tracing of idx is enabled (compiled in). */ >> -#define WITH_TRACE_P(idx) (WITH_TRACE & (1 << idx)) >> +#define WITH_TRACE_P(idx) (!!(WITH_TRACE & (1 << idx))) >> >> /* Preprocessor macros to simplify tests of WITH_TRACE. */ >> -#define WITH_TRACE_ANY_P (WITH_TRACE) >> +#define WITH_TRACE_ANY_P (!!(WITH_TRACE)) >> #define WITH_TRACE_INSN_P WITH_TRACE_P (TRACE_INSN_IDX) >> #define WITH_TRACE_DISASM_P WITH_TRACE_P (TRACE_DISASM_IDX) >> #define WITH_TRACE_DECODE_P WITH_TRACE_P (TRACE_DECODE_IDX) >> -- >> 2.34.1 >