Re: [libre-riscv-dev] LD/ST Comp Unit FSM (was: Re: Scoreboard vs Tomasulo)

diff --git a/1a/de8b27a2fc8f7be480a47a67b566a70daf5122 b/1a/de8b27a2fc8f7be480a47a67b566a70daf5122
new file mode 100644 (file)
index 0000000..00477e3
--- /dev/null
+++ b/1a/de8b27a2fc8f7be480a47a67b566a70daf5122
@@ -0,0 +1,104 @@
+Return-path: <libre-riscv-dev-bounces@lists.libre-riscv.org>
+Envelope-to: publicinbox@libre-riscv.org
+Delivery-date: Sun, 17 May 2020 11:07:55 +0100
+Received: from localhost ([::1] helo=libre-riscv.org)
+       by libre-soc.org with esmtp (Exim 4.89)
+       (envelope-from <libre-riscv-dev-bounces@lists.libre-riscv.org>)
+       id 1jaGD3-00014J-QL; Sun, 17 May 2020 11:07:53 +0100
+Received: from lkcl.net ([217.147.94.29])
+ by libre-soc.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)
+ (Exim 4.89) (envelope-from <lkcl@lkcl.net>) id 1jaGD2-00014D-Dh
+ for libre-riscv-dev@lists.libre-riscv.org; Sun, 17 May 2020 11:07:52 +0100
+DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lkcl.net;
+ s=201607131; 
+ h=Content-Type:To:Subject:Message-ID:Date:From:In-Reply-To:References:MIME-Version;
+ bh=7EprkXz2IxQVEV/PUvA9eW+rdblJkMPxNZRHuL/wYQA=; 
+ b=cgK7q68a07asiKGjrQ3BW94tltsJflxgEpT6HKepb6fvDIJ9suGDTEP3dgHzY+/S2/+LJj96VBb6rCLMPJ5yAB09u/FR9u2/yJuoJ63zQf3DmsfgkaIi/C7il7X3kOpnaPhbdjN1+8lbQMJsGRO6rykq4miIKmbEDDm7sCN/erk=;
+Received: from mail-lf1-f47.google.com ([209.85.167.47])
+ by lkcl.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)
+ (Exim 4.84_2) (envelope-from <lkcl@lkcl.net>) id 1jaGD1-00009f-Tv
+ for libre-riscv-dev@lists.libre-riscv.org; Sun, 17 May 2020 10:07:52 +0000
+Received: by mail-lf1-f47.google.com with SMTP id x27so5304986lfg.9
+ for <libre-riscv-dev@lists.libre-riscv.org>;
+ Sun, 17 May 2020 03:07:36 -0700 (PDT)
+X-Gm-Message-State: AOAM532HJqQXplr27NMpBsU/nwOgCnTrFerpZAhIfXNiKJDOh0+Y327B
+ ftlBB6Zi+r5zz7SKMBVN7bhteMARRjX58ahZIA0=
+X-Google-Smtp-Source: ABdhPJzM+wNaQLdlSvxm2FC0sq/PZdL22k5kBVUTegMwCS6VEhSzvoRMr5wAAu9CRVrYF0KZw+BEB9/RidhEgWeOh1w=
+X-Received: by 2002:a19:c1c3:: with SMTP id r186mr3794678lff.49.1589710050960; 
+ Sun, 17 May 2020 03:07:30 -0700 (PDT)
+MIME-Version: 1.0
+References: <13EDF987-9A19-4C96-89C2-6DB784CF2C96@gatech.edu>
+ <CAPweEDyDcmAJbJx+PKkL8MotPMNyHyFOEtuNOKP+V2PmmY5HvA@mail.gmail.com>
+ <CAPweEDyw+LSW2S4sKWk-V24NSHYe2qqWO+KFqikQ34Q1Guhaig@mail.gmail.com>
+ <CAPweEDweXSC5c_ROQ8a3Y4hQMaJYmD_jAriadcZk9PRrkjOXvA@mail.gmail.com>
+ <25AC8A2E-D48F-439F-AF9D-0EB3DC08D7CC@gatech.edu>
+ <CAPweEDx_TMOxQHLrhbdhnXsBE1s-u2mz3xD2DDFCMi6m9BZCZg@mail.gmail.com>
+ <CAEoCstRd+hLfF5YtUbnS2gukPxVAjmheJrZ29QvJD3y4Y928JQ@mail.gmail.com>
+ <CAPweEDxXGedm-4QwmU2UuYvb4G2nNaoAsy_P2eyviQ42pbmyXA@mail.gmail.com>
+ <CAEoCstSGxwV88JUHTQmUp=75kHWxSZNSPu==_pxsUYf29ctd9w@mail.gmail.com>
+ <CAPweEDzp3aSyhi-+UOO5Ce_gdUFGjpGqGVZM+GT0qDTLGtpZ-g@mail.gmail.com>
+ <ec75de0d-6ffb-969f-4250-f8a9ecf120b0@gmail.com>
+In-Reply-To: <ec75de0d-6ffb-969f-4250-f8a9ecf120b0@gmail.com>
+From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
+Date: Sun, 17 May 2020 11:07:19 +0100
+X-Gmail-Original-Message-ID: <CAPweEDwZzU904jAo9UUn+x4C7GOvvYG+GooSePwBHw96AwtoLg@mail.gmail.com>
+Message-ID: <CAPweEDwZzU904jAo9UUn+x4C7GOvvYG+GooSePwBHw96AwtoLg@mail.gmail.com>
+To: Libre-RISCV General Development <libre-riscv-dev@lists.libre-riscv.org>
+X-Content-Filtered-By: Mailman/MimeDel 2.1.23
+Subject: Re: [libre-riscv-dev] LD/ST Comp Unit FSM (was: Re: Scoreboard vs
+ Tomasulo)
+X-BeenThere: libre-riscv-dev@lists.libre-riscv.org
+X-Mailman-Version: 2.1.23
+Precedence: list
+List-Id: Libre-RISCV General Development
+ <libre-riscv-dev.lists.libre-riscv.org>
+List-Unsubscribe: <http://lists.libre-riscv.org/mailman/options/libre-riscv-dev>, 
+ <mailto:libre-riscv-dev-request@lists.libre-riscv.org?subject=unsubscribe>
+List-Archive: <http://lists.libre-riscv.org/pipermail/libre-riscv-dev/>
+List-Post: <mailto:libre-riscv-dev@lists.libre-riscv.org>
+List-Help: <mailto:libre-riscv-dev-request@lists.libre-riscv.org?subject=help>
+List-Subscribe: <http://lists.libre-riscv.org/mailman/listinfo/libre-riscv-dev>, 
+ <mailto:libre-riscv-dev-request@lists.libre-riscv.org?subject=subscribe>
+Reply-To: Libre-RISCV General Development
+ <libre-riscv-dev@lists.libre-riscv.org>
+Content-Type: text/plain; charset="utf-8"
+Content-Transfer-Encoding: base64
+Errors-To: libre-riscv-dev-bounces@lists.libre-riscv.org
+Sender: "libre-riscv-dev" <libre-riscv-dev-bounces@lists.libre-riscv.org>
+
+T24gU3VuLCBNYXkgMTcsIDIwMjAgYXQgNjoyNSBBTSBDZXNhciBTdHJhdXNzIDxjZXN0cmF1c3NA
+Z21haWwuY29tPiB3cm90ZToKCj4gPiBodHRwczovL2xpYnJlLXNvYy5vcmcvM2RfZ3B1L2xkX3N0
+X2NvbXBfdW5pdC5qcGcKPiA+Cj4gPiB0aGlzIGkgcmVhYWFhbGx5IG5lZWQgc29tZSBoZWxwIHdp
+dGguCj4KPiBJJ20gd2lsbGluZyB0byBsZW5kIGEgaGFuZCBpbiB0aGlzLCBhbmQvb3IgYW55IG90
+aGVyIHRhc2tzIHRoZSBncm91cAo+IGRlZW0gYXBwcm9wcmlhdGUuCgp0aGF0J3MgcmVhbGx5IGFw
+cHJlY2lhdGVkLCBDZXNhci4KCj4gRG8geW91IGhhdmUgYWxyZWFkeSBoYXZlIGFueSBjb2RlLCB1
+bml0IHRlc3QgYW5kL29yIHRlc3RiZW5jaCBmb3IgdGhpcwo+IG1vZHVsZT8gQSB0aW1pbmcgZGlh
+Z3JhbSB3b3VsZCBhbHNvIGJlIHdlbGNvbWUuCgp5ZXMsIGl0J3MgaGVyZToKaHR0cHM6Ly9naXQu
+bGlicmUtc29jLm9yZy8/cD1zb2MuZ2l0O2E9YmxvYjtmPXNyYy9zb2MvZXhwZXJpbWVudC9jb21w
+bGRzdF9tdWx0aS5weTtoYj1IRUFECgp0aGUgdGltaW5nIGRpYWdyYW0gaXMgYXV0by1nZW5lcmF0
+ZWQgd2hlbiBydW5uaW5nIHRoYXQgY29kZSAoYXMgaXRzCm93biB1bml0IHRlc3Q6IHB5dGhvbjMg
+ZXhwZXJpbWVudC9jb21wbGRzdF9tdWx0aS5weSkuICBpdCBjYW4gYmUKbG9hZGVkIHdpdGggImd0
+a3dhdmUiLiAgdG8gc2F2ZSB5b3Ugc29tZSB0aW1lIGFkZGluZyAxMDArIHNpZ25hbHMgdG8KZ3Rr
+d2F2ZSBpJ20gYXR0YWNoaW5nIGEgcHJlLXNhdmVkIGRpYWdyYW0sIGkgZXZlbiBzZXQgc29tZSBw
+cmV0dHkKY29sb3VycyBpbiBpdCA6KQoKYWxzbyBhIHNlY29uZCBvbmUgZm9yIHRoZSBMMCBjYWNo
+ZS9idWZmZXIgdG8gd2hpY2ggQ29tcExEU1RVbml0IGlzCmNvbm5lY3RlZC4gIHRoaXMgaXMgcnVu
+IGFzICJweXRob24zIGV4cGVyaW1lbnQvbDBfY2FjaGUucHkiCgppIHdpbGwgcmFpc2UgYSBidWdy
+ZXBvcnQgYWJvdXQgaXQgYXMgdGhpcyBzaG91bGQgYmUgZGlzY3Vzc2VkIHRoZXJlLgoKPiBSZWdh
+cmRpbmcgbXlzZWxmLCBJIGRvIGhhdmUgZXhwZXJpZW5jZSBpbiBkaWdpdGFsIGNpcmN1aXQgZGVz
+aWduLCBhbmQKPiBmaW5pdGUgc3RhdGUgbWFjaGluZXMgaW4gcGFydGljdWxhciwgd2hpY2ggSSBt
+b3N0bHkgYXBwbHkgdG8gRlBHQQo+IHByb2dyYW1taW5nLgo+Cj4gTXkgZmllbGQgb2Ygd29yayBp
+cyBpbiBkYXRhIGFjcXVpc2l0aW9uIGFuZCBjb250cm9sLCBmb3Igc2NpZW50aWZpYwo+IGluc3Ry
+dW1lbnRzLCBhdCB0aGUgYXN0cm9waHlzaWNzIGRlcGFydG1lbnQgb2YgYSByZXNlYXJjaCBpbnN0
+aXR1dGUgKGJ1dAo+IEkgYW0gYW4gZW5naW5lZXIsIG5vdCBhbiBhc3Ryb25vbWVyKS4gSSBhcHBs
+eSBtaWNyb2NvbnRyb2xsZXJzIGFuZCBGUEdBcwo+IGF0IHNldmVyYWwgcmVzZWFyY2ggcHJvamVj
+dHMuIFdpdGggdGhlIHJpc2Ugb2Ygc2luZ2xlLWJvYXJkIGNvbXB1dGVycywKPiBJJ20gc3RhcnRp
+bmcgdG8gdXNlIHRoZW0gYXMgd2VsbC4KPgo+IE15IG1haW4gYXR0cmFjdGlvbiB0byB0aGlzIHBy
+b2plY3QgaXMgaGF2aW5nIGZyZWUgZmlybXdhcmUgYW5kIGJvb3QKPiBsb2FkZXJzLCBhbmQgYWxz
+byBmdWxsIGRvY3VtZW50YXRpb24sIGZyZWVseSBhdmFpbGFibGUgYW5kIGNvbXBsZXRlLCBieQo+
+IHByaW5jaXBsZS4KCnRoYXQncyByZWFsbHkgYXBwcmVjaWF0ZWQuCgo+IEkgaGF2ZSByZWFkIHRo
+ZSBDaGFydGVyIGF0IGh0dHBzOi8vbGlicmUtc29jLm9yZy9jaGFydGVyLywgYW5kIGFncmVlCj4g
+d2l0aCBpdC4KCnRoYW5rIHlvdSBDZXNhci4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
+X19fX19fX19fX19fX19fX18KbGlicmUtcmlzY3YtZGV2IG1haWxpbmcgbGlzdApsaWJyZS1yaXNj
+di1kZXZAbGlzdHMubGlicmUtcmlzY3Yub3JnCmh0dHA6Ly9saXN0cy5saWJyZS1yaXNjdi5vcmcv
+bWFpbG1hbi9saXN0aW5mby9saWJyZS1yaXNjdi1kZXYK
+