From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ot1-x330.google.com (mail-ot1-x330.google.com [IPv6:2607:f8b0:4864:20::330]) by sourceware.org (Postfix) with ESMTPS id 66EAA385800F for ; Fri, 26 Mar 2021 21:17:06 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 66EAA385800F Received: by mail-ot1-x330.google.com with SMTP id w31-20020a9d36220000b02901f2cbfc9743so6497279otb.7 for ; Fri, 26 Mar 2021 14:17:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=rDd0K986N+MdBJoeNl1bkvpOE2purxwcRZDjOgKCe0A=; b=mvI7LwMbPV/FakuccRYS9BGbmk+kVn3giJ8Tl2y1lOet+bfnsjbCaKkv6CxoQc3uml A4/D9NIHCS1aIVc7hmoG2y07BLfKGp8XVWQSjS15963VDENYRS3hP22Gp9dGP6i5EFdE 7nGH4YfgVznyTWHJPooa3euD/+xxHbgLDqrFXcI3IroItsxBR5Xi3CXijSrlDfx/S0pq otN/okvN5R8FAIeJJ82rwBfe6NWmZXoj9Ki/YOy1OY5dosCJ2UOXb9Jj3nbKZ9Lx4Q5S aUX+K3kXnFMDC5WdgMCexTa8YWjHhTWZVH/22RZH9mgkUlfYlmtedfjxVBSGudrYPSL4 vHsQ== X-Gm-Message-State: AOAM5306ZPoBbLM2brfKvl0fo7Oxyr3Riue9JaSYDysaZH6jS0m0kAZ/ jxpdU4JNCHjbivzk8GVjfUEVBkYszXgLME0gMF5eydje75U= X-Google-Smtp-Source: ABdhPJzhu0c/ROmK0zrAqpFIu79reMJhSs/i1ogEgztxVyppon+53XjBI/2MqUo6cet/xXA3GKaG50fQG1Ir8oyvRdw= X-Received: by 2002:a05:6830:90c:: with SMTP id v12mr13119878ott.179.1616793425829; Fri, 26 Mar 2021 14:17:05 -0700 (PDT) MIME-Version: 1.0 References: <287ad145-1fe3-2477-327a-30e8d45a4be7@suse.com> In-Reply-To: <287ad145-1fe3-2477-327a-30e8d45a4be7@suse.com> From: "H.J. Lu" Date: Fri, 26 Mar 2021 14:16:29 -0700 Message-ID: Subject: Re: [PATCH 0/6] x86: further opcode table compaction plus fallout To: Jan Beulich Cc: Binutils Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-3029.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: binutils@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Mar 2021 21:17:07 -0000 On Fri, Mar 26, 2021 at 3:48 AM Jan Beulich wrote: > > This continues from "[PATCH 0/8] x86: work towards further opcode table > compaction", but there will remain significant gains to be had. It also > remains open whether to also convert VEX/EVEX Space_0F* use into > opcode representation, just like patch 4 does as a side effect of > templating SSE2AVX and their "original" templates. > > 1: derive opcode encoding space attribute from base opcode > 2: shrink some struct insn_template fields > 3: undo Prefix_0X use in opcode table > 4: fold SSE2AVX and their base MMX/SSE templates > 5: VPSADBW's source operands are also commutative > 6: move some opcode table entries OK for all. Thanks. -- H.J.