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AJvYcCX5x2IYLAa8/1NHcYwAwx69H++nE+6InQXxvNWi+weeVd71SdhtiESZYeVCUVhctrp/m3VM@lists.linux.dev X-Gm-Message-State: AOJu0YzoxXjfruETUIY0urwerQmTdNhvTs44lCWRljtReEbEVLu6JI0P WeChkfysLoDjP22z0jjFmVAAo7HZph5fbeCdu1jIwGaVE7d3mclM6j0t6rwul+TLD0b3B/uSq3F WDk/mog== X-Google-Smtp-Source: AGHT+IGBA/7l2Y00mq2tKuHgsoC2Vh7DTpI1vMh/ziPIV8TEof2vJ3kfBxvx6xwbQVY5kq+NVe6D9rLs+nTL X-Received: from pjbos13.prod.google.com ([2002:a17:90b:1ccd:b0:2ff:8471:8e53]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:51cb:b0:301:c5cb:7b13 with SMTP id 98e67ed59e1d1-30531f7c81bmr21841967a91.3.1743531884353; Tue, 01 Apr 2025 11:24:44 -0700 (PDT) Date: Tue, 1 Apr 2025 11:23:02 -0700 In-Reply-To: <20250401182347.3422199-1-irogers@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250401182347.3422199-1-irogers@google.com> X-Mailer: git-send-email 2.49.0.504.g3bcea36a83-goog Message-ID: <20250401182347.3422199-5-irogers@google.com> Subject: [PATCH v1 04/48] x86/insn: Silence -Wshorten-64-to-32 warnings From: Ian Rogers To: Yury Norov , Rasmus Villemoes , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , Thomas Gleixner , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Yicong Yang , Jonathan Cameron , Nathan Chancellor , Bill Wendling , Justin Stitt , Josh Poimboeuf , Al Viro , Kyle Meyer , Ben Gainey , Athira Rajeev , Kajol Jain , Aditya Gupta , Eder Zulian , Dapeng Mi , Kuan-Wei Chiu , He Zhe , Dirk Gouders , Brian Geffon , Ravi Bangoria , Howard Chu , Charlie Jenkins , Colin Ian King , Dominique Martinet , Jann Horn , Masahiro Yamada , Arnd Bergmann , Yang Jihong , Dmitry Vyukov , Andi Kleen , Graham Woodward , Ilkka Koskinen , Anshuman Khandual , Zhongqiu Han , Hao Ge , Tengda Wu , Gabriele Monaco , Chun-Tse Shao , Casey Chen , "Dr. David Alan Gilbert" , Li Huafei , "Steinar H. Gunderson" , Levi Yun , Weilin Wang , Thomas Falcon , Thomas Richter , Andrew Kreimer , "=?UTF-8?q?Krzysztof=20=C5=81opatowski?=" , Christophe Leroy , Jean-Philippe Romain , Junhao He , "Masami Hiramatsu (Google)" , Xu Yang , Steve Clevenger , Zixian Cai , Stephen Brennan , Yujie Liu , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, llvm@lists.linux.dev Content-Type: text/plain; charset="UTF-8" The clang warning -Wshorten-64-to-32 can be useful to catch inadvertent truncation. In some instances this truncation can lead to changing the sign of a result, for example, truncation to return an int to fit a sort routine. Silence the warning by making the implicit truncation explicit. Signed-off-by: Ian Rogers --- tools/arch/x86/lib/insn.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/arch/x86/lib/insn.c b/tools/arch/x86/lib/insn.c index e91d4c4e1c16..5fa8697498fe 100644 --- a/tools/arch/x86/lib/insn.c +++ b/tools/arch/x86/lib/insn.c @@ -92,7 +92,7 @@ static int __insn_get_emulate_prefix(struct insn *insn, goto err_out; } - insn->emulate_prefix_size = len; + insn->emulate_prefix_size = (int)len; insn->next_byte += len; return 1; -- 2.49.0.504.g3bcea36a83-goog