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[97.113.188.82]) by smtp.gmail.com with ESMTPSA id p2sm6222838pgs.7.2019.03.07.06.41.30 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 07 Mar 2019 06:41:31 -0800 (PST) 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; bh=cUHnwenzYQtQY1IbWPFjUbKRuUhc078b1/cRTpEjyFA=; b=p7wsAO0kTCgpXjAWbeacVRcEZC2oFE6Cmaqg7Nmb+ULH3efGYCUUBBKhM7egfIjc+b YReF5aKhMSBnYOHrzWjb8aEv7i4210CNa58ma6BNbpZN85voJfaPxfr8dDe7fJSLRFG5 7HybCf42tQTwfqiFrwI9TvoN8nPr3pkbO6jgmxzeVAzXAfMAdjEv9v0WtkYbnM8rD96L FvW31ejr2fwS98uD2B/lp8wH5fCX/gPYEp04JqQDLq8WiLjP1H04uPhky2t4YCWFyQMs N4lEZPI6Z38w2LwunhszxRMx/ddZeUGz2mr01Nb2ronAy5TU7Ra3YptASEjGFR/3IofG XI/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=cUHnwenzYQtQY1IbWPFjUbKRuUhc078b1/cRTpEjyFA=; b=JLngBTTBoEkUrgEvogC/+SI0DKQSclnBDKG1ks66m4txLPBBf7M2ckkNj7xsWtzN5j vPdHDm1GTl+pGlbxSMLSeS/ERMIFMs3b8p54uUpOt3hF/Lg9GlMXvxFX8uk1jhp948MD 1qEGRFhOkQGyYNqWtoZVtXjmiNiVs8LByjnQiQIw2wrWe1x3Ku+mR4WbNxY8OQHGDJK6 S85mghPWF/A1ZwR2/tEjXl/M0PZ6PqTbF/RjBEBEvzX89Cjak+1asjUXgpeW6c5g8ft2 U0WSA5N+nKbM7oBTmx3Ci3cZYfQLDEQ5JiE9G229EdI2UVOHq62zRluGI5JRaqBtchPY t1aA== X-Gm-Message-State: APjAAAWOovAJIMe3di+ixt8fHM0/1T+78FqavaSoxw3i0aEyqDzt882q yVh5/ND1jU+qEu0aUtObmDKGP6q3/rI= X-Google-Smtp-Source: APXvYqxpLfXUUyl54dU6tpH7tVhj4TBtU1HGhmN3/lLBp/kpTf+SyMU8/w26PoiF6XKwuYiUecJw6A== X-Received: by 2002:a63:ed0b:: with SMTP id d11mr11637455pgi.435.1551969691953; Thu, 07 Mar 2019 06:41:31 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 7 Mar 2019 06:41:20 -0800 Message-Id: <20190307144126.31847-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20190307144126.31847-1-richard.henderson@linaro.org> References: <20190307144126.31847-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::541 Subject: [Qemu-devel] [PATCH 3/9] tcg: Use extract2 in tcg_gen_shifti_i64 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: david@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- tcg/tcg-op.c | 47 ++++++++++++++++++++++++----------------------- 1 file changed, 24 insertions(+), 23 deletions(-) diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index deacc63e3b..34e0dbc6e0 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -1355,31 +1355,32 @@ static inline void tcg_gen_shifti_i64(TCGv_i64 ret,= TCGv_i64 arg1, tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_LOW(arg1), c); tcg_gen_movi_i32(TCGV_LOW(ret), 0); } - } else { - TCGv_i32 t0, t1; - - t0 =3D tcg_temp_new_i32(); - t1 =3D tcg_temp_new_i32(); - if (right) { - tcg_gen_shli_i32(t0, TCGV_HIGH(arg1), 32 - c); - if (arith) { - tcg_gen_sari_i32(t1, TCGV_HIGH(arg1), c); - } else { - tcg_gen_shri_i32(t1, TCGV_HIGH(arg1), c); - } - tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c); - tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(ret), t0); - tcg_gen_mov_i32(TCGV_HIGH(ret), t1); + } else if (right) { + if (TCG_TARGET_HAS_extract2_i32) { + tcg_gen_extract2_i32(TCGV_LOW(ret), TCGV_LOW(arg1), + TCGV_HIGH(arg1), c); } else { - tcg_gen_shri_i32(t0, TCGV_LOW(arg1), 32 - c); - /* Note: ret can be the same as arg1, so we use t1 */ - tcg_gen_shli_i32(t1, TCGV_LOW(arg1), c); - tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c); - tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), t0); - tcg_gen_mov_i32(TCGV_LOW(ret), t1); + tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c); + tcg_gen_deposit_i32(TCGV_LOW(ret), TCGV_LOW(ret), + TCGV_HIGH(arg1), 32 - c, c); } - tcg_temp_free_i32(t0); - tcg_temp_free_i32(t1); + if (arith) { + tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c); + } else { + tcg_gen_shri_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c); + } + } else { + if (TCG_TARGET_HAS_extract2_i32) { + tcg_gen_extract2_i32(TCGV_HIGH(ret), TCGV_LOW(arg1), + TCGV_HIGH(arg1), 32 - c); + } else { + TCGv_i32 t0 =3D tcg_temp_new_i32(); + tcg_gen_shri_i32(t0, TCGV_LOW(arg1), 32 - c); + tcg_gen_deposit_i32(TCGV_HIGH(ret), t0, + TCGV_HIGH(arg1), c, 32 - c); + tcg_temp_free_i32(t0); + } + tcg_gen_shli_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c); } } =20 --=20 2.17.2