From nobody Sat May 18 13:16:29 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=1622842114; cv=none; d=zohomail.com; s=zohoarc; b=ThcyPZhEhlzz7TcwjJRCd0mU+hS5YEm5FyTh8bgBzrGBuIaIXy8KZ/sZyL3Kp2JQU4M/BDBilR/JVtc+w/clV3AN6FOPVwIHlG12yu0WR0mStAgSUL5UV9IR2zvq7wBfmD8errU7KXvUikO/bcsnUdbTcEiJAEX/29lQuKlem/Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1622842114; h=Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=OBnD80OWvAt3AEc/b5nWfCgyZ/ubHwErEKV/hyUvRD4=; b=I5QWrV0HGS4GY7UcwLVQ+kEg02eeomTI0hRBbxEyMt0GDt+jtqF6b1Rx1VbTdVCsCuJMW1+EZGiM2lcVvIqfsKd/H8Qx3k3pQJqv1pDDeSluoNJYFXryhA+cggTB6hVJ9vTtx2TezVRUURzFmEHlgsK5cTw+OSCRGJnliW1/S9g= 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) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1622842114125347.6271028627747; Fri, 4 Jun 2021 14:28:34 -0700 (PDT) Received: from localhost ([::1]:34132 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lpHMn-0007tY-19 for importer@patchew.org; Fri, 04 Jun 2021 17:28:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50486) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lpHM7-0007Dv-B2 for qemu-devel@nongnu.org; Fri, 04 Jun 2021 17:27:51 -0400 Received: from mail-pg1-x52c.google.com ([2607:f8b0:4864:20::52c]:42988) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lpHM5-0004YE-QF for qemu-devel@nongnu.org; Fri, 04 Jun 2021 17:27:51 -0400 Received: by mail-pg1-x52c.google.com with SMTP id i34so2449842pgl.9 for ; Fri, 04 Jun 2021 14:27:49 -0700 (PDT) Received: from localhost.localdomain (174-21-70-228.tukw.qwest.net. [174.21.70.228]) by smtp.gmail.com with ESMTPSA id gn4sm5447197pjb.16.2021.06.04.14.27.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Jun 2021 14:27:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=OBnD80OWvAt3AEc/b5nWfCgyZ/ubHwErEKV/hyUvRD4=; b=a2gCOhX/xSxvtajDu1wLrvkdHCHL1q2KOZhqBICwEVtnRVMfqLe2lxUoWaRHOShtk1 CaP0oxJe6HPxEM+PvvptouqHUjBJuo+QK7VDTrhDIJV3b+iyzxne49EEDVDM0YKG4mCU OxvJV0LFGkUPcfEyR3/LrWdmIOseIU0a/9MY/19uonOIyGyrrd79jLIVerw0OcZUA83F duFDHTBeRIbgjzFZSCAVfVsftaAMJ1eiefAYx/RrEt0SQz7l2ivo7GE+MA++I9/I/osP g3gFiPAZXFWKjMVhpo1GBBqf2umJrbzbJ7aQMZ9IJDdiiJjwAwyZEPWWetiFRMHfhtW2 alug== 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:mime-version :content-transfer-encoding; bh=OBnD80OWvAt3AEc/b5nWfCgyZ/ubHwErEKV/hyUvRD4=; b=QmKrcbWzwUlUl1NySUWm+Hbu2QEyssbnvFKDEUCEvItOqvOpDW4pBnP0A9U6mECRPD dT2d/oH4XaoapMSzg3YhiHU/IL6FrbycHQrw2bitrh98/sZw+htziGFaT5QjGPLRJpet OToDI/ZBy7ngfHta6eU8VFJLUX8hrsTLjzLUgrTSTHg8utp1GNR1Q0bAdqE8I0adFVtR 6swxS/Ve3I8K9XtAozLPrSk9YYBdrxa66LAWae9zb24lqLyWx+rYgALDaHv4rfxgsUgA HS4xR5T32+y9xJ0dwlUeSJYlwpMVO3N6rtLSNFhrx6CP/4lh27XO6cnGQsambpotKMQ5 sNwQ== X-Gm-Message-State: AOAM530/4tHW1ZhKCf6Cl9CA0k/skI2Wr1KenVx6YxFCCRzdusyNY7yR Y5GonR50E+rHHcY6wDZ8FRZxC0MdA/xHGw== X-Google-Smtp-Source: ABdhPJyQvlikMVBAsyIBNYw7E6xar9P/q44YrXbL+66PxLK5fKXnsVopW2rFN52xt3bOg2kJZUjNOw== X-Received: by 2002:a65:64c4:: with SMTP id t4mr6954096pgv.222.1622842068397; Fri, 04 Jun 2021 14:27:48 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH] tcg: Introduce tcg_remove_ops_after Date: Fri, 4 Jun 2021 14:27:47 -0700 Message-Id: <20210604212747.959028-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 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::52c; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52c.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 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Introduce a function to remove everything emitted since a given point. Cc: Peter Maydell Signed-off-by: Richard Henderson --- include/tcg/tcg.h | 1 + tcg/tcg.c | 13 +++++++++++++ 2 files changed, 14 insertions(+) diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h index 74cb345308..6895246fab 100644 --- a/include/tcg/tcg.h +++ b/include/tcg/tcg.h @@ -1081,6 +1081,7 @@ TCGOp *tcg_emit_op(TCGOpcode opc); void tcg_op_remove(TCGContext *s, TCGOp *op); TCGOp *tcg_op_insert_before(TCGContext *s, TCGOp *op, TCGOpcode opc); TCGOp *tcg_op_insert_after(TCGContext *s, TCGOp *op, TCGOpcode opc); +void tcg_remove_ops_after(TCGOp *op); =20 void tcg_optimize(TCGContext *s); =20 diff --git a/tcg/tcg.c b/tcg/tcg.c index 0dc271aac9..262dbba1fd 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -2649,6 +2649,19 @@ void tcg_op_remove(TCGContext *s, TCGOp *op) #endif } =20 +void tcg_remove_ops_after(TCGOp *op) +{ + TCGContext *s =3D tcg_ctx; + + while (true) { + TCGOp *last =3D tcg_last_op(); + if (last =3D=3D op) { + return; + } + tcg_op_remove(s, last); + } +} + static TCGOp *tcg_op_alloc(TCGOpcode opc) { TCGContext *s =3D tcg_ctx; --=20 2.25.1