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[97.113.165.157]) by smtp.gmail.com with ESMTPSA id 34sm10959480qtp.17.2017.06.13.22.23.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 13 Jun 2017 22:23:20 -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=k+vaFbfCtqU7Ipvg8X+Nco5iUbU0nfssjFiO15Fm/6AGfZHgtZNfqUi/QPBxbYvCNF VUW0JcgRNdF1u8ap0pLIyOg2C+qA5SL/t/Hq7LDWBct/ltTDyfgUlJ2mRWV1neJ+dBrx w7hT7bcPd9t/AP8wwrtwfRbew3v4pBKSs96SEyO5vf3PvBaLP7KDY6t9HetAuGXNSAmQ SoDkKXYyQmqZ2DlQVHqAx2DnVHimXtgfKAcfSayaP2sgdm8U4CzzcIYa2J78gSsSTWVm FJniCqbzcirdzMsTogd+w3EbQHXarARtYslHaL599s2I6RAZwN5cnLOywwb5QYVGJrAT 7bpw== 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=pLT1WRouoeHcD4d+TavgWwZqSl6gFtDNoF+FBhAgxPSNVZ6ksnuuBoczMzrgC3/tHH 6pG5DsNHVc+u21C2PHlMAA3sIqT5rU03Zs+RhjqfhlaWp4JAzNTdxVX4zkSAJJvNJ9Jn tH2l8oXjuw0vKIHx2IOGTAHsMT4/1WUb+QV6y969EdGz+rJ0pmu7v6/uglf9FzCGirgJ P6bJ3hFhYtc7VejMLFU/3n1byYs165anNpv8TXLMpVddfWO7l+jOpqu9HLXHP96rm/A2 +Nez6vCCLTKlHK+E5jrtKgb2F3oFuUnAx2hY1zMAvqAWpKbxoY8q4HWUE0M3eqVWGLtC yspg== X-Gm-Message-State: AKS2vOy+t5De3N4IsqWXforxtwzOSMkYRQ1BVFef730pOfbeNIjNfKeo qSepsM+5vN8HaI74h90= X-Received: by 10.200.8.169 with SMTP id v38mr4592888qth.213.1497417801391; Tue, 13 Jun 2017 22:23:21 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 13 Jun 2017 22:23:05 -0700 Message-Id: <20170614052311.13785-5-rth@twiddle.net> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170614052311.13785-1-rth@twiddle.net> References: <20170614052311.13785-1-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c0d::243 Subject: [Qemu-devel] [PULL 04/10] 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: peter.maydell@linaro.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