From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi1-x22b.google.com (mail-oi1-x22b.google.com [IPv6:2607:f8b0:4864:20::22b]) by sourceware.org (Postfix) with ESMTPS id 56F16385842F for ; Tue, 23 Jan 2024 14:16:19 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 56F16385842F Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 56F16385842F Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2607:f8b0:4864:20::22b ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1706019382; cv=none; b=WD1FxXeCbzx8dt6pTdjDfH+vKuSVmwRyRRM1O8rb8Q7+yGsTn7iyTH9mloe5cE30/y7v2oixocD3fJLZDgIMxRgiyAREkEtGtydFGKFcWwZMUgMvuQkWZkzwebOMjKsGEGovOQY62dQSR5GmJqiokj9iY1CJwFDZORahP8Gbk+8= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1706019382; c=relaxed/simple; bh=sZSPtbTMJun25gdyH2tsFDS1bjI+L6dYjWxiy9GmhS4=; h=DKIM-Signature:From:Mime-Version:Subject:Date:Message-Id:To; b=UqXdYwLvvvNfXWmA91bdCablThw/iafWzhUaUVOhz+Gl7HPuJsC3ff4XO8dNyD1JFx7yGTTAyka3SX4y+IdTRXO5M6ujuBi6c8+v+mYTRL0WNZ80BpL6bEPoJ5seVCKvJT940yWEyhHsZiJsr+rRETuCLXGCBXptSDzSLjSw+hc= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-oi1-x22b.google.com with SMTP id 5614622812f47-3bd7c5b2439so2513413b6e.1 for ; Tue, 23 Jan 2024 06:16:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1706019378; x=1706624178; darn=sourceware.org; h=to:in-reply-to:cc:references:message-id:date:subject:mime-version :from:content-transfer-encoding:from:to:cc:subject:date:message-id :reply-to; bh=GSUdEv5Xi1/GTYPrHlL6la4sxm43FFz4shmn10QjT3o=; b=m2vbSvNHLdeXcvendSkCDdZdZQLFMR7292UsvmQ9391T6gpSIFZl6zQRmFNq/JnLpc /C4Tkc2XrN32aV5roX7/UTg1L061AQhvojiaP0Zsj7Z1vPIdQkYHd7i5zW6D2GgQvz1c c7UxJRlugPUy7uq4mQUvhsZm7QwaXruQPGvYP7yPBmLTFXX3TiOv1cPfk0VxN7qB077I ZUmvP00n16SJlnvj0NUCXh7V4tT5pO28vdFsgBEkxnxNpS6XL1us27waOiuFrKdhJmxT H/L4YAdRM7cTvCWkGGLZC6NTF3w8uqdTr/g7eiq4hnyXwjtjc6iqvuxJYaJRHVqHimgV Xu8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706019378; x=1706624178; h=to:in-reply-to:cc:references:message-id:date:subject:mime-version :from:content-transfer-encoding:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=GSUdEv5Xi1/GTYPrHlL6la4sxm43FFz4shmn10QjT3o=; b=RzQ8xO6AnFKScIFmL6AJksIh6VOyPcdFdbhIKr+zL+wutrn75BouSmlox/AxUUlSu3 VaBJEbygS6kOQ8hdcc8NFADuakhr02Y55dFgNklHLuM6RPaALTCzFK8tRXoPZFuxOLKU 7jM2yB28u6q+wsL3lFHppO56Sli84btXHFfc1GZ8fbwWJWr29hbn961Xqdo5SvACzJAx 9VtAiNDeZeO0hFMGDUwN3l4VjBSpxcP2gpzAtyG7DZ5bLeC+RuaX9x2k5fQxYKmicw4b 6LxLtzHhcM+Q5Hk43knqEOoyNHsHjs9k9NnHFgyH/CmayDXwOC+ESv8fSqBXIJIp38DG dzKg== X-Gm-Message-State: AOJu0YzEnyCNhJc66wbMeIakag1UsX8z9ieLAxS9xcvX+MO0nvv57EIM insDaEY7QumIk7i/PXlYerhsX9XBXX9EE3lnnZHFWIHvpHI93fS3QvAnxKHS97CbwQ== X-Google-Smtp-Source: AGHT+IELGsFwDgnyM/FFbLjbKpaGVIpxFn82V5DwER9s5Mr46DK9ypXEOdHaHnfXG3l2O0u1gDwwgw== X-Received: by 2002:a05:6808:138b:b0:3bd:c1c3:6945 with SMTP id c11-20020a056808138b00b003bdc1c36945mr1935536oiw.95.1706019378516; Tue, 23 Jan 2024 06:16:18 -0800 (PST) Received: from smtpclient.apple ([2a09:bac5:16fb:1ad2::2ac:32]) by smtp.gmail.com with ESMTPSA id y26-20020a05620a09da00b007834bfeb0e8sm3109844qky.51.2024.01.23.06.16.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Jan 2024 06:16:18 -0800 (PST) Content-Type: multipart/alternative; boundary=Apple-Mail-36AE14A1-0F9B-49F9-8E92-72AF5624C89F Content-Transfer-Encoding: 7bit From: Alex Huang Mime-Version: 1.0 (1.0) Subject: Re: Mystery instructions Date: Tue, 23 Jan 2024 09:16:07 -0500 Message-Id: <13BC6943-32E4-43F3-8AD6-6F40CA84DB00@gmail.com> References: Cc: binutils@sourceware.org, gcc@gcc.gnu.org In-Reply-To: To: jacob navia X-Mailer: iPhone Mail (21B91) X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,HTML_MESSAGE,MIME_QP_LONG_LINE,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: --Apple-Mail-36AE14A1-0F9B-49F9-8E92-72AF5624C89F Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi, These instructions looks to be part of the T-head vendor extension instruct= ion set. With the spec here https://github.com/T-head-Semi/thead-extension-= spec.=20 Best regards Alex > On Jan 23, 2024, at 8:42=E2=80=AFAM, jacob navia via Gcc wrote: >=20 > =EF=BB=BFHi > The GNU assembler supports two instructions for the T-Head risk machines = called: >=20 > th.ipop > th.ipush >=20 > With no arguments. These instructions (they are no macros or aliases) are= UNDOCUMENTED in the T-Head instruction manuals that I have, and a google s= earch yields absolutely nothing. >=20 > Can anyone here point me to some documentation that describes what these = instructions do? >=20 > Thanks in advance. --Apple-Mail-36AE14A1-0F9B-49F9-8E92-72AF5624C89F--