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([172.58.111.133]) by smtp.gmail.com with ESMTPSA id 00721157ae682-71b5a6031a1sm18753227b3.86.2025.08.02.18.40.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 02 Aug 2025 18:40:44 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 04/11] target/arm: Split out gen_wrap2_i32 helper Date: Sun, 3 Aug 2025 11:40:12 +1000 Message-ID: <20250803014019.416797-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250803014019.416797-1-richard.henderson@linaro.org> References: <20250803014019.416797-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::b2b; envelope-from=richard.henderson@linaro.org; helo=mail-yb1-xb2b.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=unavailable 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Wrapper to extract the low 32 bits, perform an operation, and zero-extend back to 64 bits. Signed-off-by: Richard Henderson --- target/arm/tcg/translate-a64.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index bb92bdc296..64a845d5fb 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -8231,13 +8231,18 @@ static bool gen_rr(DisasContext *s, int rd, int rn, ArithOneOp fn) return true; } +static void gen_wrap2_i32(TCGv_i64 d, TCGv_i64 n, NeonGenOneOpFn fn) +{ + TCGv_i32 t = tcg_temp_new_i32(); + + tcg_gen_extrl_i64_i32(t, n); + fn(t, t); + tcg_gen_extu_i32_i64(d, t); +} + static void gen_rbit32(TCGv_i64 tcg_rd, TCGv_i64 tcg_rn) { - TCGv_i32 t32 = tcg_temp_new_i32(); - - tcg_gen_extrl_i64_i32(t32, tcg_rn); - gen_helper_rbit(t32, t32); - tcg_gen_extu_i32_i64(tcg_rd, t32); + gen_wrap2_i32(tcg_rn, tcg_rn, gen_helper_rbit); } static void gen_rev16_xx(TCGv_i64 tcg_rd, TCGv_i64 tcg_rn, TCGv_i64 mask) @@ -8293,11 +8298,7 @@ static void gen_clz64(TCGv_i64 tcg_rd, TCGv_i64 tcg_rn) static void gen_cls32(TCGv_i64 tcg_rd, TCGv_i64 tcg_rn) { - TCGv_i32 t32 = tcg_temp_new_i32(); - - tcg_gen_extrl_i64_i32(t32, tcg_rn); - tcg_gen_clrsb_i32(t32, t32); - tcg_gen_extu_i32_i64(tcg_rd, t32); + gen_wrap2_i32(tcg_rn, tcg_rn, tcg_gen_clrsb_i32); } TRANS(CLZ, gen_rr, a->rd, a->rn, a->sf ? gen_clz64 : gen_clz32) -- 2.43.0