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[69.222.133.165]) by smtp.gmail.com with ESMTPSA id f84sm33383540oig.43.2019.08.09.21.13.15 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 09 Aug 2019 21:13:15 -0700 (PDT) From: Jan Bobek To: qemu-devel@nongnu.org Date: Sat, 10 Aug 2019 00:12:24 -0400 Message-Id: <20190810041255.6820-9-jan.bobek@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190810041255.6820-1-jan.bobek@gmail.com> References: <20190810041255.6820-1-jan.bobek@gmail.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::341 Subject: [Qemu-devel] [RFC PATCH v2 08/39] target/i386: make variable b1 const X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jan Bobek , =?utf-8?q?Alex_Benn=C3=A9e?= , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP The variable b1 does not change value once assigned. Make this fact explicit by marking it const. Signed-off-by: Jan Bobek Reviewed-by: Richard Henderson --- target/i386/translate.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/target/i386/translate.c b/target/i386/translate.c index b1ba2fc3e5..8bf39b73c4 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -3042,7 +3042,7 @@ static const struct SSEOpHelper_eppi sse_op_table7[256] = { static void gen_sse(CPUX86State *env, DisasContext *s, int b) { - int b1, op1_offset, op2_offset, is_xmm, val; + int op1_offset, op2_offset, is_xmm, val; int modrm, mod, rm, reg; SSEFunc_0_epp sse_fn_epp; SSEFunc_0_eppi sse_fn_eppi; @@ -3051,14 +3051,11 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b) TCGMemOp ot; b &= 0xff; - if (s->prefix & PREFIX_DATA) - b1 = 1; - else if (s->prefix & PREFIX_REPZ) - b1 = 2; - else if (s->prefix & PREFIX_REPNZ) - b1 = 3; - else - b1 = 0; + const int b1 = + s->prefix & PREFIX_DATA ? 1 + : s->prefix & PREFIX_REPZ ? 2 + : s->prefix & PREFIX_REPNZ ? 3 + : 0; sse_fn_epp = sse_op_table1[b][b1]; if (!sse_fn_epp) { goto unknown_op;