From aa8ebd1d6c76efcc915e4e9d51450a8eabc4078d Mon Sep 17 00:00:00 2001 From: bugzilla-daemon Date: Mon, 25 May 2020 10:43:52 +0000 Subject: [PATCH] [libre-riscv-dev] [Bug 336] ALU CompUnit needs to recognise that RA (src1) can be zero --- 76/ff36e87bb4d9c77963a4451bb3fdf8d40c875a | 94 +++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 76/ff36e87bb4d9c77963a4451bb3fdf8d40c875a diff --git a/76/ff36e87bb4d9c77963a4451bb3fdf8d40c875a b/76/ff36e87bb4d9c77963a4451bb3fdf8d40c875a new file mode 100644 index 0000000..4e8f335 --- /dev/null +++ b/76/ff36e87bb4d9c77963a4451bb3fdf8d40c875a @@ -0,0 +1,94 @@ +Return-path: +Envelope-to: publicinbox@libre-riscv.org +Delivery-date: Mon, 25 May 2020 11:43:55 +0100 +Received: from localhost ([::1] helo=libre-riscv.org) + by libre-soc.org with esmtp (Exim 4.89) + (envelope-from ) + id 1jdAaI-0005Hj-1z; Mon, 25 May 2020 11:43:54 +0100 +Received: from localhost ([127.0.0.1] helo=bugs.libre-soc.org) + by libre-soc.org with esmtp (Exim 4.89) + (envelope-from ) id 1jdAaF-0005HZ-P5 + for libre-riscv-dev@lists.libre-riscv.org; Mon, 25 May 2020 11:43:51 +0100 +From: bugzilla-daemon@libre-soc.org +To: libre-riscv-dev@lists.libre-riscv.org +Date: Mon, 25 May 2020 10:43:52 +0000 +X-Bugzilla-Reason: CC +X-Bugzilla-Type: changed +X-Bugzilla-Watch-Reason: None +X-Bugzilla-Product: Libre-SOC's first SoC +X-Bugzilla-Component: Source Code +X-Bugzilla-Version: unspecified +X-Bugzilla-Keywords: +X-Bugzilla-Severity: enhancement +X-Bugzilla-Who: lkcl@lkcl.net +X-Bugzilla-Status: CONFIRMED +X-Bugzilla-Resolution: +X-Bugzilla-Priority: --- +X-Bugzilla-Assigned-To: cestrauss@gmail.com +X-Bugzilla-Flags: +X-Bugzilla-Changed-Fields: +Message-ID: +In-Reply-To: +References: +X-Bugzilla-URL: https://bugs.libre-soc.org/ +Auto-Submitted: auto-generated +MIME-Version: 1.0 +Subject: [libre-riscv-dev] [Bug 336] ALU CompUnit needs to recognise that RA + (src1) can be zero +X-BeenThere: libre-riscv-dev@lists.libre-riscv.org +X-Mailman-Version: 2.1.23 +Precedence: list +List-Id: Libre-RISCV General Development + +List-Unsubscribe: , + +List-Archive: +List-Post: +List-Help: +List-Subscribe: , + +Reply-To: Libre-RISCV General Development + +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" + +aHR0cHM6Ly9idWdzLmxpYnJlLXNvYy5vcmcvc2hvd19idWcuY2dpP2lkPTMzNgoKLS0tIENvbW1l +bnQgIzMwIGZyb20gTHVrZSBLZW5uZXRoIENhc3NvbiBMZWlnaHRvbiA8bGtjbEBsa2NsLm5ldD4g +LS0tCihJbiByZXBseSB0byBDZXNhciBTdHJhdXNzIGZyb20gY29tbWVudCAjMjgpCj4gRG9uJ3Qg +bG9zZSBzbGVlcCBhYm91dCBpdCwgSSBjYW4gaGFuZGxlIHRoZSBGU00uKEluIHJlcGx5IHRvIEx1 +a2UgS2VubmV0aAo+IENhc3NvbiBMZWlnaHRvbiBmcm9tIGNvbW1lbnQgIzI1KQo+ID4gbm90IHF1 +aXRlIGNvcnJlY3QsIGRpZCBzb21ldGhpbmcgZGlmZmVyZW50LCBkbyBnaXQgcHVsbCBzZWUgaWYg +eW91IGNhbgo+ID4gZ2V0IHRoZSB0ZXN0IHRvIHdvcmsuICB3aWxsIHRha2UgYSBsb29rIGluIG1v +cm5pbmcuCj4gCj4gRG9uJ3QgbG9zZSBzbGVlcCBhYm91dCBpdCwgSSBjYW4gaGFuZGxlIHRoZSBG +U00uIEl0J3MgbXkgYnJlYWQgYW5kIGJ1dHRlci4KCjopCgppIHJlYWxpc2VkIHRoYXQgYWN0dWFs +bHkgdGhlcmUncyBwcm9iYWJseSBub3RoaW5nIHdyb25nIHdpdGggdGhlIG1vZGlmaWNhdGlvbgpp +IG1hZGU6IGl0J3MgdGhlIHVuaXQgdGVzdCB0aGF0IG11c3Qgbm90IGNoZWNrIGEgZmxhZyAocmQu +cmVxKSB0aGF0IGlzIG5ldmVyCmdvaW5nIHRvIGdldCBzZXQuCgoKKEluIHJlcGx5IHRvIENlc2Fy +IFN0cmF1c3MgZnJvbSBjb21tZW50ICMyOSkKPiAoSW4gcmVwbHkgdG8gTHVrZSBLZW5uZXRoIENh +c3NvbiBMZWlnaHRvbiBmcm9tIGNvbW1lbnQgIzIyKQo+ID4gaWYgcmQucmVsWzBdIGlzIGJlaW5n +IHNldCB3aGVuIHplcm9fYSBpcyBvbiwgeWVzIHRoYXQncyBiYWQuCj4gPiAKPiA+IHJkLmdvW05d +IGlzIGFuIGV4dGVybmFsIHJlc3BvbnNlIHRvIHJkLnJlcVtOXS4gIHRoaXMgaXMgd2h5IGl0IGlz +IGNyaXRpY2FsCj4gPiB0byBnZXQgcmQucmVxIGFuZCB3ci5yZXEgYml0cyBzZXQgcmlnaHQgYmVj +YXVzZSB0aGUgZXh0ZXJuYWwgdXNlciBvZiB0aGUKPiA+IENvbXBVbml0cyBrbml3cyBub3RoaW5n +IGFib3V0ICp3aHkqIHRoZXkgYXJlIHNldCwgdGhleSBqdXN0IHJlc3BvbmQuCj4gCj4gSW4gdGhp +cyBjYXNlLCAiZXh0ZXJuYWwgdXNlciIgYXJlIHRoZSBkZXBlbmRlbmN5IG1hdHJpY2VzLCByaWdo +dD8KCnllcy4KCj4gSSd2ZSByZWFkIGh0dHBzOi8vbGlicmUtc29jLm9yZy8zZF9ncHUvYXJjaGl0 +ZWN0dXJlLzY2MDBzY29yZWJvYXJkLy4KPiAKPiBBcyBmYXIgYXMgSSB1bmRlcnN0YW5kIGl0LCB0 +aGUgRGVwZW5kZW5jeSBNYXRyaWNlcyBhbHNvIG5lZWQgdG8ga25vdwo+IHRoZW1zZWx2ZXMgdGhh +dCB0aGUgb3BlcmFuZCBpcyBpbW1lZGlhdGUsIAoKbm90IHF1aXRlLiAgaW1tZWRpYXRlcyBhcmUg +aW1tZWRpYXRlLCB0aGVyZWZvcmUgdGhlcmUgaXMgbm8gY29uY2VwdCBvZiBhCiJkZXBlbmRlbmN5 +Ii4gIAoKdGhlcmVmb3JlLCB0ZWNobmljYWxseSB5b3UgYXJlIGNvcnJlY3QsIGJ1dCBpdCBpcyBi +eSB3YXkgb2YgInRvdGFsIG9taXNzaW9uCm9mIGludm9sdmVtZW50Ii4KCj4gYW5kIG5vdCBzZXQg +dGhlIGNvcnJlc3BvbmRpbmcgRlUtUmVnIExhdGNoLCBjb3JyZWN0PwoKYnkgd2F5IG9mIHRoZSBE +TXMgbm90IGluIHRoZSBzbGlnaHRlc3QgcmVtb3RlIGJpdCBrbm93aW5nICphbnl0aGluZyogYWJv +dXQKaW1tZWRpYXRlcy4uLi4geWVzLgoKPiBJcyB0aGlzIGFscmVhZHkgaW1wbGVtZW50ZWQ/Cgp5 +ZXMuICB0aGUgRE1zIG1hbmFnZSAiZGVwZW5kZW5jaWVzIi4gIGFuIGltbWVkaWF0ZSBpcyBub3Qg +YSBEZXBlbmRlbmN5CkhhemFyZCAobm90IGEgcmVhZCBvciB3cml0ZSByZWdpc3RlcikuCgotLSAK +WW91IGFyZSByZWNlaXZpbmcgdGhpcyBtYWlsIGJlY2F1c2U6CllvdSBhcmUgb24gdGhlIENDIGxp +c3QgZm9yIHRoZSBidWcuCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f +X19fX19fCmxpYnJlLXJpc2N2LWRldiBtYWlsaW5nIGxpc3QKbGlicmUtcmlzY3YtZGV2QGxpc3Rz +LmxpYnJlLXJpc2N2Lm9yZwpodHRwOi8vbGlzdHMubGlicmUtcmlzY3Yub3JnL21haWxtYW4vbGlz +dGluZm8vbGlicmUtcmlzY3YtZGV2Cg== + -- 2.30.2