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[2603:800c:1201:c600:119c:490c:a4ee:8e8]) by smtp.gmail.com with ESMTPSA id t8-20020a6549c8000000b00372eb3a7fb3sm2729934pgs.92.2022.03.03.13.00.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Mar 2022 13:00:28 -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 :mime-version:content-transfer-encoding; bh=+BD96XfV2twTSXl72v5Agr1at/ZBm5w6SA0tYUmlFcg=; b=PodAkFwxKmqZcZccYJ4tjT1bFF5kedzol1AqMLUu9KbkDHsuCBidfk6xuFUZ/6iEPy GDSv8YLxZiTvul/D9f93pZq/hfjfdOlk5sJ7kawq1KT5Ge90vZDmFRqwtK1QuMA0jSnQ WleQhZKGJrMNXW8i4moliohaDKlNWf1DRGmWIS8sQP6b5YkAMcDI9Dk/58zZRWsNO/K1 vxF7kb0S6DEsXODspsNo1rAAQe3HGA41/UdrQFOqXZ4IGgYEdR4tAy3X784HBbV0/ypt kFG2has+FgYp5s3WuqFo8xNMDuU8AYseKIqTyOnCYjsLMqoCYXJNPlyI/1JX2S1E46lS DwkQ== 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=+BD96XfV2twTSXl72v5Agr1at/ZBm5w6SA0tYUmlFcg=; b=lFYSetMyW8O0ATtKAJVuG0dddI/82O+z2TPF35JsHaudvx2cgzZnvBxg8jkeGxYPBg WshUv5Uey0x7wqXBVI/gNOkjXC+0QUdVZzA9OceYNvthqSwPBQjlmHMnr1yWz0onjPE/ XFD+DWjiko7pBUe56Q9bT7wePf9XGcV51rnhUZXH7OA/qpYd1kV6z3TySScSX4nJGLux jfBH1S2IQN8Lo/XI0lSwYVRNnuQysOVeClfD3uZjjw1UU8xFmezAc5RjlD7OKOLxZ/rr HKm67HusiK+d7nMGSB8F+edVfF1FCmT94YWByfMdOYMnlLrjuz9dPdvWU4XE7mh8kyAS v+4A== X-Gm-Message-State: AOAM5310rtm144GCZQn4ZaJJd0lu/Q/jNsw94/rxsaN4GMxIXhW1qrd9 mZabNtTeoev+X2noEcHs1PBNWuZnDlGbyg== X-Google-Smtp-Source: ABdhPJxhEYB1HVk/2Ct6Xpa0arn3r1U6be2gukisw+yiwhBkWYfSSdxFM/RwKJsrCzPQ23MzlGD77Q== X-Received: by 2002:a65:5bc1:0:b0:373:ec8f:9f50 with SMTP id o1-20020a655bc1000000b00373ec8f9f50mr31656931pgr.289.1646341229385; Thu, 03 Mar 2022 13:00:29 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 28/30] tcg/mips: Support TCG_TARGET_SIGNED_ADDR32 Date: Thu, 3 Mar 2022 10:59:42 -1000 Message-Id: <20220303205944.469445-29-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220303205944.469445-1-richard.henderson@linaro.org> References: <20220303205944.469445-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::433 (failed) 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::433; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x433.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: peter.maydell@linaro.org, =?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: 1646342613276100001 All 32-bit mips operations sign-extend the output, so we are easily able to keep TCG_TYPE_I32 values sign-extended in host registers. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- tcg/mips/tcg-target-sa32.h | 8 ++++++++ tcg/mips/tcg-target.c.inc | 10 ++-------- 2 files changed, 10 insertions(+), 8 deletions(-) diff --git a/tcg/mips/tcg-target-sa32.h b/tcg/mips/tcg-target-sa32.h index cb185b1526..51255e7cba 100644 --- a/tcg/mips/tcg-target-sa32.h +++ b/tcg/mips/tcg-target-sa32.h @@ -1 +1,9 @@ +/* + * Do not set TCG_TARGET_SIGNED_ADDR32 for mips32; + * TCG expects this to only be set for 64-bit hosts. + */ +#ifdef __mips64 +#define TCG_TARGET_SIGNED_ADDR32 1 +#else #define TCG_TARGET_SIGNED_ADDR32 0 +#endif diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc index 993149d18a..b97c032ded 100644 --- a/tcg/mips/tcg-target.c.inc +++ b/tcg/mips/tcg-target.c.inc @@ -1168,12 +1168,6 @@ static void tcg_out_tlb_load(TCGContext *s, TCGReg b= ase, TCGReg addrl, TCG_TMP0, TCG_TMP3, cmp_off); } =20 - /* Zero extend a 32-bit guest address for a 64-bit host. */ - if (TCG_TARGET_REG_BITS > TARGET_LONG_BITS) { - tcg_out_ext32u(s, base, addrl); - addrl =3D base; - } - /* * Mask the page bits, keeping the alignment bits to compare against. * For unaligned accesses, compare against the end of the access to @@ -1679,7 +1673,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGA= rg *args, bool is_64) data_regl, data_regh, addr_regl, addr_regh, s->code_ptr, label_ptr); #else - if (TCG_TARGET_REG_BITS > TARGET_LONG_BITS) { + if (TCG_TARGET_REG_BITS > TARGET_LONG_BITS && !guest_base_signed_addr3= 2) { tcg_out_ext32u(s, base, addr_regl); addr_regl =3D base; } @@ -1878,7 +1872,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGA= rg *args, bool is_64) data_regl, data_regh, addr_regl, addr_regh, s->code_ptr, label_ptr); #else - if (TCG_TARGET_REG_BITS > TARGET_LONG_BITS) { + if (TCG_TARGET_REG_BITS > TARGET_LONG_BITS && !guest_base_signed_addr3= 2) { tcg_out_ext32u(s, base, addr_regl); addr_regl =3D base; } --=20 2.25.1