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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id e1-20020a630f01000000b005b856fab5e9sm72216pgl.18.2023.10.19.11.29.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Oct 2023 11:29:29 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: pbonzini@redhat.com, qemu-arm@nongnu.org, laurent@vivier.eu, ysato@users.sourceforge.jp, kbastian@mail.uni-paderborn.de, jcmvbkbc@gmail.com Subject: [PATCH 2/7] target/arm: Use tcg_gen_ext_i64 Date: Thu, 19 Oct 2023 11:29:16 -0700 Message-Id: <20231019182921.1772928-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231019182921.1772928-1-richard.henderson@linaro.org> References: <20231019182921.1772928-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::530; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x530.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org The ext_and_shift_reg helper does this plus a shift. The non-zero check for shift count is duplicate to the one done within tcg_gen_shli_i64. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- target/arm/tcg/translate-a64.c | 37 ++-------------------------------- 1 file changed, 2 insertions(+), 35 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 10e8dcf743..ad78b8b120 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -1324,41 +1324,8 @@ static void ext_and_shift_reg(TCGv_i64 tcg_out, TCGv_i64 tcg_in, int extsize = extract32(option, 0, 2); bool is_signed = extract32(option, 2, 1); - if (is_signed) { - switch (extsize) { - case 0: - tcg_gen_ext8s_i64(tcg_out, tcg_in); - break; - case 1: - tcg_gen_ext16s_i64(tcg_out, tcg_in); - break; - case 2: - tcg_gen_ext32s_i64(tcg_out, tcg_in); - break; - case 3: - tcg_gen_mov_i64(tcg_out, tcg_in); - break; - } - } else { - switch (extsize) { - case 0: - tcg_gen_ext8u_i64(tcg_out, tcg_in); - break; - case 1: - tcg_gen_ext16u_i64(tcg_out, tcg_in); - break; - case 2: - tcg_gen_ext32u_i64(tcg_out, tcg_in); - break; - case 3: - tcg_gen_mov_i64(tcg_out, tcg_in); - break; - } - } - - if (shift) { - tcg_gen_shli_i64(tcg_out, tcg_out, shift); - } + tcg_gen_ext_i64(tcg_out, tcg_in, extsize | (is_signed ? MO_SIGN : 0)); + tcg_gen_shli_i64(tcg_out, tcg_out, shift); } static inline void gen_check_sp_alignment(DisasContext *s)