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[97.113.165.157]) by smtp.gmail.com with ESMTPSA id q41sm61161qtc.8.2017.06.08.22.37.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 08 Jun 2017 22:37:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=suOvBjYsdyzgDadyYZ3dijcg+kPPRJEFebrn14pDwhU=; b=qxq6dN7gtjspEz4d1u6mdVyTT6yodQchL6khOrDYhFBMyoI0GHwGURg8ufHWB/jEYQ NF0zZVb29w+ZrNlKbWShEapXqXNrigBu0AhSEKI0zRDfPjg6c08pgmK0reqSrFAS1oC/ +ospJ/EiLABGIAAddbBBrL0rwacStvzJcbcTLVymchWPcVUi1DBXg9xFMh+fAyLQDi+d 6BU/0sncqfGI6XZGXEBg0rJpvYFHUIttT+pOqBnM5BP6xK4eUDbj1pQx4Hj4mzc63EFs DDF6PeVTL/W1JVXf9vNNJZzDhPdMKCHdjsRDA2rw85WsMkqZ8d9rXyBpOlKWfT2SuvXX pWFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=suOvBjYsdyzgDadyYZ3dijcg+kPPRJEFebrn14pDwhU=; b=IAwWGitwEPNuATgx2qUYKZMyhr2b1l4rJPfr+Z2P4FqHqGO7vxXZOk1unYIy1C4Qwc diishXWOO174Uv5zpUTq6Imc71PIawxl/0vRVsqsxG0YZ1LZcKm4AA0BCGB8gZNGDoqw iVc2TyZ2jYHVKHO3590eos//IbHWG48QfMnDdLY8K5mNWxzhnhtQebaKqqK+TV3Nwfpt IbOMXuI9gAsYuBhDAFL+9UYhG6G4d+suVbc0GPIVX9nndYpHsfhKkYIHjLOxhvXcpT3n JyvWBZp3a7tZA1QbpPZ5zwU4wEiWGNY22tA9yOkDYvllOkRIl9Ytl+YGR9JIyLSOWEa3 OIcQ== X-Gm-Message-State: AKS2vOw48LyLuHuZ+bNKxwV9EP3NhiX+FrKpbne/18ZerjLsBNprnkh8 IFsInA3bwo5ZC2KPnhU= X-Received: by 10.200.9.93 with SMTP id z29mr39462098qth.102.1496986646711; Thu, 08 Jun 2017 22:37:26 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 8 Jun 2017 22:37:15 -0700 Message-Id: <20170609053719.26251-4-rth@twiddle.net> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170609053719.26251-1-rth@twiddle.net> References: <20170609053719.26251-1-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c0d::242 Subject: [Qemu-devel] [PATCH v5 3/7] tcg/aarch64: Use ADR in tcg_out_movi X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: cota@braap.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The new placement of the TB means that we can use one insn to load the return value for exit_tb returning the TB pointer. Tested-by: Emilio G. Cota Signed-off-by: Richard Henderson --- tcg/aarch64/tcg-target.inc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c index 5f18545..1fa3bcc 100644 --- a/tcg/aarch64/tcg-target.inc.c +++ b/tcg/aarch64/tcg-target.inc.c @@ -616,7 +616,12 @@ static void tcg_out_movi(TCGContext *s, TCGType type, = TCGReg rd, /* Look for host pointer values within 4G of the PC. This happens often when loading pointers to QEMU's own data structures. */ if (type =3D=3D TCG_TYPE_I64) { - tcg_target_long disp =3D (value >> 12) - ((intptr_t)s->code_ptr >>= 12); + tcg_target_long disp =3D value - (intptr_t)s->code_ptr; + if (disp =3D=3D sextract64(disp, 0, 21)) { + tcg_out_insn(s, 3406, ADR, rd, disp); + return; + } + disp =3D (value >> 12) - ((intptr_t)s->code_ptr >> 12); if (disp =3D=3D sextract64(disp, 0, 21)) { tcg_out_insn(s, 3406, ADRP, rd, disp); if (value & 0xfff) { --=20 2.9.4