From nobody Sun Feb 8 23:54:21 2026 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=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1769411849; cv=none; d=zohomail.com; s=zohoarc; b=jf/pZ6dZGt3j1TnZsGn4OpMQR8BgtS3DgoiZGTiN+e2Adijc+uUaW3+KOAh9nRqmi/+AphKou+jPGJrGvRcgn6ITHh//oSS7/O1SFuZiq/Y5bgr2xM6DGtlcefAelzv8nKWgYzNSrGY2YcUyegKaSQbRqjaevgD1oPxh2eiLmoM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1769411849; h=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=gmEhCMQFwYXprx7A0TkE7yYmCb0tF8cpp+0XtJ4tnk8=; b=KCKSroRqidanpRovALXg90ffKZp202di+cLU/43ht2S1B+FFmtgsKYb2L4bTjXzxwSm8KNpGwWpp9Wdo+tp3M0rBEdskndRZ9q19Mci/3Iu9+lKCpN1bswzkIfM3f2xzKtAqjYULrWdg2PzTazSswfns1RMxZmV5Gz9Gpa6t/38= 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 176941184943680.31170437509422; Sun, 25 Jan 2026 23:17:29 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vkGna-0007OJ-Qm; Mon, 26 Jan 2026 02:14:12 -0500 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 1vkGf3-0002tL-Lz for qemu-devel@nongnu.org; Mon, 26 Jan 2026 02:05:42 -0500 Received: from mail-pf1-x441.google.com ([2607:f8b0:4864:20::441]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vkGeu-00048B-Ax for qemu-devel@nongnu.org; Mon, 26 Jan 2026 02:05:15 -0500 Received: by mail-pf1-x441.google.com with SMTP id d2e1a72fcca58-81f4e36512aso4129078b3a.3 for ; Sun, 25 Jan 2026 23:04:49 -0800 (PST) Received: from brahms.. (fp93c00990.tkyc601.ap.nuro.jp. [147.192.9.144]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-823187716ebsm8661487b3a.66.2026.01.25.23.04.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Jan 2026 23:04:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1769411088; x=1770015888; 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=gmEhCMQFwYXprx7A0TkE7yYmCb0tF8cpp+0XtJ4tnk8=; b=RBI+F8Zhs0ppSEBrIUiGQeUyGoN6KrgjhAXaruo7e3YERfrrOK59/ydfAslf3M/szL Yk14XehU8IhFNj2BAqaTleFtWOPMUIkdx0XDQ+C62MbxsXzRxr85nOEDFMkIL4cbLJfK ryEl5BzgoOzm8o4tGSpz046IHVJHtGRCyIAs+cOImlORSliq3Ukihvyi004EouwbR6w+ MpL6lj8m/ktgLWZTGfdARRzG7fFYtpql8tZ08HhTx6nt9eB+MqJootiAhSsub5SeGPX8 hv0lpSMnOHkRfcfY9/symuIwpSdzmtyNGQMx/+p2B2koRwA5hMDSn0V8qYW8PL3H8S0K zJuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769411088; x=1770015888; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=gmEhCMQFwYXprx7A0TkE7yYmCb0tF8cpp+0XtJ4tnk8=; b=jybzVcI0JE30U9Pe0CEWosJd4ke6Rwb3IA1p1qBLlJWKWfcl3qx8JBtlFxU6A217hd d28HqHjCyLTAkUP9iSza72AZvYhizjLMHOyjNsfxPu3GPe3YMS85SJ3Ab7vLsf/0DSyB g7IPVeWdeyhJyP9GleYzp5ee9t4eq6BW5VxWM1UbU66ra6xx+fuKybFe8AUgdRwP/ZTX Yts5gY7J217C97Z/tacbRiWoGNZZG6eNxiumCHu3W62clqALabGtwHYsxhsneBQSvyfY LjZEODtVqvXv6HoZmaL2vMPPRsd4xqneLNfNwMUWmIUHIoJINoxr22rz2aVO6jyKjwfS pGsg== X-Gm-Message-State: AOJu0Yy6DUecIRys8xUBcrRxQYJs0zhr7JRFSh8DFNgJpcgphb6xpsd+ nKeNZDyvKwZU9GAVGOGtly/PbTSXdB2DEBFaWELdzQWpkM5AuoNpKVEXzr67lCWAwDs= X-Gm-Gg: AZuq6aKktceXVmVjP7Wfape/oSdpnzi4Dbc1VDMB2u0BXDtP05ktFGY7TW7lH1IR3nS /crh5k8rzEozYigMAdPqttua2h/THKNfD033zLsYA7JMynscnPcWMA5UJYZfZJ1l8o3jI4Hyk63 1wQqJ8beI2jLzDDqopTMOr1VTsa5SZAjvtY84ROsw5XOUsVH0jNst6OjkdQyUdxKe4/MHPcdQQk ebezIt/AzgVh1RHK0yxG6HjuLNZ6GIfepcQE8HXW7SQ4GsveYFC3dKZYRbXRkPTZYOYslAeznc1 7eIxOGUIz3FvG669S0EXhODQR5r27jaAk2L4IC6AYnnl8FdqsEk3ZhRUJwh2NRlf0IRfBzGshe2 X2OYMwSLkb51RqQAXTesBNjhkzSwHxScrXD8JCbcMpX1acBauq574ooUG8zAioM6LHaqedo4ZDP C30jDaSgNB9jH3yVdIlONTD+0eYndQYLlV3HWtmeWrIYcyUbTvRWjX X-Received: by 2002:a05:6a00:2408:b0:81f:3e3e:c1fd with SMTP id d2e1a72fcca58-823411b854fmr3394964b3a.5.1769411087920; Sun, 25 Jan 2026 23:04:47 -0800 (PST) From: Kohei Tokunaga To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth , Paolo Bonzini , Richard Henderson , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , WANG Xuerui , Aurelien Jarno , Huacai Chen , Jiaxun Yang , Aleksandar Rikalo , Palmer Dabbelt , Alistair Francis , Stefan Weil , Kohei Tokunaga , qemu-arm@nongnu.org, qemu-riscv@nongnu.org, Stefan Hajnoczi , Pierrick Bouvier Subject: [PATCH v4 09/33] tcg/wasm64: Add sextract instruction Date: Mon, 26 Jan 2026 07:03:22 +0000 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 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::441; envelope-from=ktokunaga.mail@gmail.com; helo=mail-pf1-x441.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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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 @gmail.com) X-ZM-MESSAGEID: 1769411850887158500 Content-Type: text/plain; charset="utf-8" The sextract operation is genereted only when the corresponding Wasm instructions are available, as specified by TCG_TARGET_sextract_valid. Signed-off-by: Kohei Tokunaga --- tcg/wasm64/tcg-target-has.h | 5 +++++ tcg/wasm64/tcg-target.c.inc | 42 +++++++++++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+) diff --git a/tcg/wasm64/tcg-target-has.h b/tcg/wasm64/tcg-target-has.h index 7e3caf8790..cfb85388de 100644 --- a/tcg/wasm64/tcg-target-has.h +++ b/tcg/wasm64/tcg-target-has.h @@ -4,4 +4,9 @@ =20 #define TCG_TARGET_HAS_tst 0 =20 +#define TCG_TARGET_extract_valid(type, ofs, len) 0 +#define TCG_TARGET_sextract_valid(type, ofs, len) \ + ((ofs =3D=3D 0) && ((len =3D=3D 8) || (len =3D=3D 16) || (len =3D=3D 3= 2))) +#define TCG_TARGET_deposit_valid(type, ofs, len) 0 + #endif diff --git a/tcg/wasm64/tcg-target.c.inc b/tcg/wasm64/tcg-target.c.inc index 70de3bbf83..dd75deecd3 100644 --- a/tcg/wasm64/tcg-target.c.inc +++ b/tcg/wasm64/tcg-target.c.inc @@ -182,7 +182,10 @@ typedef enum { OPC_I64_SHR_U =3D 0x88, =20 OPC_I32_WRAP_I64 =3D 0xa7, + OPC_I64_EXTEND_I32_S =3D 0xac, OPC_I64_EXTEND_I32_U =3D 0xad, + OPC_I64_EXTEND8_S =3D 0xc2, + OPC_I64_EXTEND16_S =3D 0xc3, } WasmInsn; =20 typedef enum { @@ -391,6 +394,33 @@ static void tcg_wasm_out_movcond(TCGContext *s, TCGTyp= e type, TCGReg ret, tcg_wasm_out_op_idx(s, OPC_GLOBAL_SET, REG_IDX(ret)); } =20 +static void tcg_wasm_out_sextract(TCGContext *s, TCGReg dest, TCGReg arg1, + int pos, int len) +{ + tcg_wasm_out_op_idx(s, OPC_GLOBAL_GET, REG_IDX(arg1)); + + if (pos =3D=3D 0) { + switch (len) { + case 8: + tcg_wasm_out_op(s, OPC_I64_EXTEND8_S); + break; + case 16: + tcg_wasm_out_op(s, OPC_I64_EXTEND16_S); + break; + case 32: + tcg_wasm_out_op(s, OPC_I32_WRAP_I64); + tcg_wasm_out_op(s, OPC_I64_EXTEND_I32_S); + break; + default: + g_assert_not_reached(); + } + } else { + g_assert_not_reached(); + } + + tcg_wasm_out_op_idx(s, OPC_GLOBAL_SET, REG_IDX(dest)); +} + static void tcg_out_op_rr(TCGContext *s, TCGOpcode op, TCGReg r0, TCGReg r= 1) { tcg_insn_unit_tci insn =3D 0; @@ -529,6 +559,18 @@ static const TCGOutOpBinary outop_mul =3D { .out_rrr =3D tgen_mul, }; =20 +static void tcg_out_sextract(TCGContext *s, TCGType type, TCGReg rd, + TCGReg rs, unsigned pos, unsigned len) +{ + tcg_out_op_rrbb(s, INDEX_op_sextract, rd, rs, pos, len); + tcg_wasm_out_sextract(s, rd, rs, pos, len); +} + +static const TCGOutOpExtract outop_sextract =3D { + .base.static_constraint =3D C_O1_I1(r, r), + .out_rr =3D tcg_out_sextract, +}; + static void tgen_shl(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1, TCGReg a2) { --=20 2.43.0