From nobody Sun Nov 24 12:40:40 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1724207233; cv=none; d=zohomail.com; s=zohoarc; b=dX1CCDiB4XkzdzVBku/HA50DgZity/vNjl5172Javlz486YWvguPZHIeoNqtWfYr21MSqL0CxumWd9MCafqE1bKEwxBPk6XujfQ2XmtnZNfLg/Cday9UTy/SYO/CKoHXc54oJg5RjyJJcTpxC4kI+Lfk1dvFgBJoFa1aPY/T38k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1724207233; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=/AkyOxiQ4TXnW/njwRxZXuZWiuFAeAcYAa7CbQEQtFY=; b=V7i2vIRUEfW0oMIxablqgo8AZFoVeiVvMBDpTNjAnmC93PfO1zyH8xttjad9MpIB2HYliWQE/+uA2ukwbfIboyM03i8pxKNoEOgyDO+a3NNKKkcs0/7G9J4/LQzBnlrqL1xPwgiszqm312ZugzuP4qyQ5zY03AUAgkVvGPpBFeM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1724207233261967.0638334775168; Tue, 20 Aug 2024 19:27:13 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sgb33-0000rT-Or; Tue, 20 Aug 2024 22:26:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sgb2z-0000ZC-5J for qemu-devel@nongnu.org; Tue, 20 Aug 2024 22:26:05 -0400 Received: from mail-pf1-x436.google.com ([2607:f8b0:4864:20::436]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sgb2x-0006Dd-8N for qemu-devel@nongnu.org; Tue, 20 Aug 2024 22:26:04 -0400 Received: by mail-pf1-x436.google.com with SMTP id d2e1a72fcca58-7141feed424so596650b3a.2 for ; Tue, 20 Aug 2024 19:26:02 -0700 (PDT) Received: from stoup.. ([203.56.140.20]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7127af1888esm9210774b3a.149.2024.08.20.19.25.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Aug 2024 19:26:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1724207161; x=1724811961; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=/AkyOxiQ4TXnW/njwRxZXuZWiuFAeAcYAa7CbQEQtFY=; b=klDUVP8eBfq9v2JfJGtK3FMah2hyg1jKq8VX2grggjbkX4/b1xZpBaxkFDqaRbpxSO GVcQeZHy8yTg5Q5Vpe7OTqeqpbCcNXUX+hOa1Io1NnDhG4SMVVMzn+Vt6t6tShyeUhE1 j7Tbw+ZDnDY9XSvbAs4RvC5SY7gQyuhWp41cMCx3UE+AZ7HZS+E7Jixbp7XMJgDrpQ7a VIDqWoHx7sKop35HWeBq3eBqpQAfecF02BmXHvZkDv+DNYBflllP/KXTHNJn43RJ/SZ2 FOxYKhEh1dsPsAWb2Mc0GOMpp75LnP/FQW9bHftDLBVWRZKToS/MDEx8/f+zm21TQ3xG sPaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724207161; x=1724811961; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/AkyOxiQ4TXnW/njwRxZXuZWiuFAeAcYAa7CbQEQtFY=; b=iS3KOVkf7I/8qXi6N/1pYMVqBsZu99f+u2OYEi8O7LlHnILrYN+G/xx841KqD/C33m 3dYDZP/IMebWPSgYOnSoXP4B760ujfVYEZvMFaWDiCd1cT8KV1xbLx7ulpr4mYOH3nna /TM8q1FBP7Hu94nKWwqj9z9XYf8IdCERNMxf8VgcP7Al8qSx+DG/Lojgzl/ByAnWCXfm ugUlsXZeTvwHzypEQqKj6t+hvlqrVWcKAW2b/wftMHGA5ZKBrX8/zeLwxfGMEmH5YW2A VsAEcAzl3VcgF4yOm+HaAGZyXIb8xFnHoLhxcRDErPDzAwwWu7CY358zxp/sXwx65Dn5 xa+A== X-Gm-Message-State: AOJu0YxyJPFLtKs8bu18sL1/AIF+tvXE9MiIhV7gehXXrMvp5wVdFph8 LEVybabpDgjkOAfZlJxZQDH5pjXkVgBEB92TzxkyBRE5E5hqAyvHuf6zSVQJ/bOXjelAaEviBxO VYhY= X-Google-Smtp-Source: AGHT+IEqPvyaMfUMiUScTKLqmqWoTARQPmnfxf+B0WuQgPe4ut/Ps2au5QJuCba8i8KtJktXSunx6A== X-Received: by 2002:a05:6a00:10c4:b0:702:3e36:b7c4 with SMTP id d2e1a72fcca58-7142342f6c1mr1358111b3a.5.1724207161207; Tue, 20 Aug 2024 19:26:01 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL 3/5] target/i386: Split out gen_prepare_val_nz Date: Wed, 21 Aug 2024 12:25:46 +1000 Message-ID: <20240821022548.421745-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240821022548.421745-1-richard.henderson@linaro.org> References: <20240821022548.421745-1-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::436; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x436.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, T_SCC_BODY_TEXT_LINE=-0.01 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1724207233451116600 Split out the TCG_COND_TSTEQ logic from gen_prepare_eflags_z, and use it for CC_OP_BMILG* as well. Prepare for requiring both zero and non-zero senses. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson Message-Id: <20240801075845.573075-2-richard.henderson@linaro.org> --- target/i386/tcg/translate.c | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index b72864bf01..4af282e626 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -865,6 +865,18 @@ static CCPrepare gen_prepare_sign_nz(TCGv src, MemOp s= ize) } } =20 +static CCPrepare gen_prepare_val_nz(TCGv src, MemOp size, bool eqz) +{ + if (size =3D=3D MO_TL) { + return (CCPrepare) { .cond =3D eqz ? TCG_COND_EQ : TCG_COND_NE, + .reg =3D src }; + } else { + return (CCPrepare) { .cond =3D eqz ? TCG_COND_TSTEQ : TCG_COND_TST= NE, + .imm =3D MAKE_64BIT_MASK(0, 8 << size), + .reg =3D src }; + } +} + /* compute eflags.C, trying to store it in reg if not NULL */ static CCPrepare gen_prepare_eflags_c(DisasContext *s, TCGv reg) { @@ -908,8 +920,7 @@ static CCPrepare gen_prepare_eflags_c(DisasContext *s, = TCGv reg) =20 case CC_OP_BMILGB ... CC_OP_BMILGQ: size =3D s->cc_op - CC_OP_BMILGB; - gen_ext_tl(cpu_cc_src, cpu_cc_src, size, false); - return (CCPrepare) { .cond =3D TCG_COND_EQ, .reg =3D cpu_cc_src }; + return gen_prepare_val_nz(cpu_cc_src, size, true); =20 case CC_OP_ADCX: case CC_OP_ADCOX: @@ -1006,12 +1017,7 @@ static CCPrepare gen_prepare_eflags_z(DisasContext *= s, TCGv reg) default: { MemOp size =3D (s->cc_op - CC_OP_ADDB) & 3; - if (size =3D=3D MO_TL) { - return (CCPrepare) { .cond =3D TCG_COND_EQ, .reg =3D cpu_c= c_dst }; - } else { - return (CCPrepare) { .cond =3D TCG_COND_TSTEQ, .reg =3D cp= u_cc_dst, - .imm =3D (1ull << (8 << size)) - 1 }; - } + return gen_prepare_val_nz(cpu_cc_dst, size, true); } } } --=20 2.43.0