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[172.254.253.57]) by smtp.gmail.com with ESMTPSA id z26sm11789510qko.13.2021.11.02.03.59.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Nov 2021 03:59:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=c0LVKpqK5ZdwRcDR8+puDfp4OkQJywpu1yKfC81QITE=; b=jGy8ufsF9BlJqQg5ys9AI5hUcxHOZlITIFf3AeH1bU+N8OexQ654ptpdWe8L/niPlm c/Gf9rBQu0SYZ+iyraOYbTSnBAd0WU6AKEYuIXjUC9xzAKk9mcTeoImwRoE9dtGMz/fn nLUE865Vnx7Nl8Or34TWpT5D5FVPQaIHVOuTUNyeyx61xqp/UdoznJYTtneciB1lede6 lHK93req04x/itHUPYqC4gpDTd7ynmpMKwEJFMBnd48zXDdgjJwAWMZXMocO+FG+XTjr S5N/RFfqMv0tGg3ao0rYKKe8LUXPQyWu8kRd067DJqgiDT+KBM4EUXZB2mr7/H41+Ti/ L9wQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=c0LVKpqK5ZdwRcDR8+puDfp4OkQJywpu1yKfC81QITE=; b=qkGt5Tb9vJqQJzfWhet8KRsLrNKeDa4AzbOKEv1aIZzcAqMLqjHKtyAqMSpDpvAw3R SbR1GBr/EszJBRVNasgZA76eCh+7Zf5k9yp5mQro9u8GtKLXmkSuiCJAM2XgzXLrEYAB st4tFXXXZoI8z1mxUl7AjIeagOac36SYa2o+32nmXuVG1Bj1UTbHLIDXnQRq5mMGiTzc 25DFkBO6zeuqekQIqKNCCpHsPQckH3eYeQEXiE7VdE8zpTAAFdheoRPmVVSdeKIhf9cm v3NUDScMvG7joaXqZUsbhLIwOFnHwT2oPj9AIVByGOqPuyQYIHmvOBgD1wr0VMaXz0PD qvZw== X-Gm-Message-State: AOAM533TnyPiQVPKI37jk5nzvwz/ZuNvlLEi0idgRk8sf8FTZ2kJ1The uVHtIVaCTR01d6Vez4hHGw1CRvejJ3+LVg== X-Google-Smtp-Source: ABdhPJx5aCK0vIT0S2ce6ZHKmkCh1KdMr2aGpjTRCGyI6OYhOTe2nCrgZUv3XWXwMhRK0TVnA/EDJQ== X-Received: by 2002:ac8:7d52:: with SMTP id h18mr20910290qtb.351.1635850782274; Tue, 02 Nov 2021 03:59:42 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 09/12] target/arm: Use the constant variant of store_cpu_field() when possible Date: Tue, 2 Nov 2021 06:59:31 -0400 Message-Id: <20211102105934.214596-10-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211102105934.214596-1-richard.henderson@linaro.org> References: <20211102105934.214596-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::829; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x829.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: , Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1635851508041100001 From: Philippe Mathieu-Daud=C3=A9 When using a constant variable, we can replace the store_cpu_field() call by store_cpu_field_constant() which avoid using TCG temporaries. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Message-Id: <20211029231834.2476117-4-f4bug@amsat.org> Signed-off-by: Richard Henderson --- target/arm/translate.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index 083a6d6ed7..52ba562c96 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -364,8 +364,7 @@ void clear_eci_state(DisasContext *s) * multiple insn executes. */ if (s->eci) { - TCGv_i32 tmp =3D tcg_const_i32(0); - store_cpu_field(tmp, condexec_bits); + store_cpu_field_constant(0, condexec_bits); s->eci =3D 0; } } @@ -740,9 +739,8 @@ void gen_set_condexec(DisasContext *s) { if (s->condexec_mask) { uint32_t val =3D (s->condexec_cond << 4) | (s->condexec_mask >> 1); - TCGv_i32 tmp =3D tcg_temp_new_i32(); - tcg_gen_movi_i32(tmp, val); - store_cpu_field(tmp, condexec_bits); + + store_cpu_field_constant(val, condexec_bits); } } =20 @@ -8362,8 +8360,6 @@ static bool trans_BL(DisasContext *s, arg_i *a) =20 static bool trans_BLX_i(DisasContext *s, arg_BLX_i *a) { - TCGv_i32 tmp; - /* * BLX would be useless on M-profile; the encoding space * is used for other insns from v8.1M onward, and UNDEFs before that. @@ -8377,8 +8373,7 @@ static bool trans_BLX_i(DisasContext *s, arg_BLX_i *a) return false; } tcg_gen_movi_i32(cpu_R[14], s->base.pc_next | s->thumb); - tmp =3D tcg_const_i32(!s->thumb); - store_cpu_field(tmp, thumb); + store_cpu_field_constant(!s->thumb, thumb); gen_jmp(s, (read_pc(s) & ~3) + a->imm); return true; } @@ -8677,7 +8672,6 @@ static bool trans_LCTP(DisasContext *s, arg_LCTP *a) * doesn't cache branch information, all we need to do is reset * FPSCR.LTPSIZE to 4. */ - TCGv_i32 ltpsize; =20 if (!dc_isar_feature(aa32_lob, s) || !dc_isar_feature(aa32_mve, s)) { @@ -8688,8 +8682,7 @@ static bool trans_LCTP(DisasContext *s, arg_LCTP *a) return true; } =20 - ltpsize =3D tcg_const_i32(4); - store_cpu_field(ltpsize, v7m.ltpsize); + store_cpu_field_constant(4, v7m.ltpsize); return true; } =20 @@ -9487,9 +9480,7 @@ static void arm_tr_tb_start(DisasContextBase *dcbase,= CPUState *cpu) /* Reset the conditional execution bits immediately. This avoids complications trying to do it at the end of the block. */ if (dc->condexec_mask || dc->condexec_cond) { - TCGv_i32 tmp =3D tcg_temp_new_i32(); - tcg_gen_movi_i32(tmp, 0); - store_cpu_field(tmp, condexec_bits); + store_cpu_field_constant(0, condexec_bits); } } =20 --=20 2.25.1