From 8446f87e840357d33af9966a2d881ba12a19f5e3 Mon Sep 17 00:00:00 2001 From: bugzilla-daemon Date: Tue, 26 May 2020 17:22:35 +0000 Subject: [PATCH] [libre-riscv-dev] [Bug 336] ALU CompUnit needs to recognise that RA (src1) can be zero --- 26/5e84245a013ccca391b835386171fe8724938b | 89 +++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 26/5e84245a013ccca391b835386171fe8724938b diff --git a/26/5e84245a013ccca391b835386171fe8724938b b/26/5e84245a013ccca391b835386171fe8724938b new file mode 100644 index 0000000..b905dc2 --- /dev/null +++ b/26/5e84245a013ccca391b835386171fe8724938b @@ -0,0 +1,89 @@ +Return-path: +Envelope-to: publicinbox@libre-riscv.org +Delivery-date: Tue, 26 May 2020 18:22:37 +0100 +Received: from localhost ([::1] helo=libre-riscv.org) + by libre-soc.org with esmtp (Exim 4.89) + (envelope-from ) + id 1jddHg-00040j-E9; Tue, 26 May 2020 18:22:36 +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 1jddHe-00040a-K3 + for libre-riscv-dev@lists.libre-riscv.org; Tue, 26 May 2020 18:22:34 +0100 +From: bugzilla-daemon@libre-soc.org +To: libre-riscv-dev@lists.libre-riscv.org +Date: Tue, 26 May 2020 17:22:35 +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 +bnQgIzM5IGZyb20gTHVrZSBLZW5uZXRoIENhc3NvbiBMZWlnaHRvbiA8bGtjbEBsa2NsLm5ldD4g +LS0tCihJbiByZXBseSB0byBDZXNhciBTdHJhdXNzIGZyb20gY29tbWVudCAjMzgpCgo+ID4gaW4g +cGFydGljdWxhciB0aGUgQUxVIG1heSAqbm90KiBuZWNlc3NhcmlseSBiZSByZWFkeSB0byBwcm9j +ZWVkIGF0IHRoZSB0aW1lCj4gPiBvcGVyYW5kcyBhcmUgYXZhaWxhYmxlLgo+IAo+IEZlZWwgZnJl +ZSB0byBwdXQgdGhpcyBvbiBteSBxdWV1ZSwgaWYgeW91IHdpc2ggKGZvcm1hbCBwcm9vZiBvZiB0 +aGUKPiBDb21wVW5pdC1BTFUgaW50ZXJmYWNlKS4KCnN1cmUsIGdvIGZvciBpdC4KCj4gV2hpbGUg +SSBoYXZlIG5vIHByYWN0aWNhbCBleHBlcmllbmNlIG9uIGZvcm1hbCBwcm9vZnMsIEkndmUgYmVl +biByZWFkaW5nCj4gYWJvdXQgaXQgZm9yIHNvbWUgdGltZSwgd2l0aCB0aGUgZ29hbCBvZiBhcHBs +eWluZyBpdCB0byBteSBvd24gZGVzaWducy4gSQo+IGxpa2UgdG8gdGhpbmsgSSd2ZSByZWFjaGVk +IGEgZ29vZCB1bmRlcnN0YW5kaW5nLgoKZ29vZCBwbGFjZSB0byBsZWFybi4KCmkgd291bGQgc3Vn +Z2VzdCBzaW1wbHkgYWRkaW5nIHRoZW0gdG8gcHJvb2ZfZnUucHkgLSBmb2N1cyBvbiByZWFkeV8o +aS9vKSwKdmFsaWRfKGkvbykgLSB0aGVzZSBhcmUgYWNjZXNzaWJsZSBzaWduYWxzLgoKaWYgeW91 +IGFzc3VtZSB0aGF0IHRoZSBEdW1teUFMVSB0YWtlcyBleGFjdGx5IG9uZSBjeWNsZSBiZXR3ZWVu +IGRhdGFfaSBhbmQKZGF0YV9vLCB0aGlzIG1heSBtYWtlIGxpZmUgZWFzaWVyLiAgdGhlIHNlcXVl +bmNlIHdpbGwgZ286CgoqIHAudmFsaWRfaSBpcyBzZXQgSEkgYnkgQ1UKKiBwLnJlYWR5X28gaXMg +YXNzZXJ0ZWQgSEkgYnkgQUxVIGluIHJlc3BvbnNlICh0YWtlcyAxIGN5Y2xlIGFuZCBhc3NlcnRz +IGZvcgogIE9OTFkgb25lIGN5Y2xlKQoqIG4udmFsaWRfbyBpcyBhc3NlcnRlZCBISSBieSBBTFUK +KiBuLnJlYWR5X2kgaXMgc2V0IEhJIGJ5IENVCiogbi52YWxpZF9vIGlzIGFzc2VydGVkIExPIGJ5 +IEFMVSBpbiByZXNwb25zZSAodGFrZXMgMSBjeWNsZSkKCnJlZ2FyZGluZyBkYXRhOgoKKiBkYXRh +IGlucHV0IHNob3VsZCBiZSBwbGFjZWQgYnkgQ1Ugb24gdGhlIGlucHV0IGF0IHRoZSBzYW1lIHRp +bWUgYXMgaXQKICByYWlzZXMgcC52YWxpZF9pLiAgaXQgc2hvdWxkIFJFTUFJTiB2YWxpZCB1bnRp +bCBwLnJlYWR5X28gaXMgc2VlbiBhc3NlcnRlZC4KCiogZGF0YSBvdXRwdXQgc2hvdWxkIGJlIHJl +YWR5IGFuZCB2YWxpZCB3aGVuIG5fcmVhZHlfaSBpcyBISS4KYWxsIG90aGVyIHRpbWVzLCBpdCAq +bWF5KiBzdGlsbCBiZSBsZWZ0IG9uIHRoZSBidXMsIGJ1dCBzaG91bGQgKk5PVCogYmUKdGFrZW4g +dG8gYmUgdmFsaWQuCgp0aGlzIGlzIGJhc2ljYWxseSBhIHN0YW5kYXJkIHJlYWR5L3ZhbGlkIHNp +Z25hbGxpbmcgc3lzdGVtIHVzZWQgYnkgd2lzaGJvbmUsCkFYSTQsIGV0Yy4gZXRjLiBldGMuIGV0 +Yy4KCi0tIApZb3UgYXJlIHJlY2VpdmluZyB0aGlzIG1haWwgYmVjYXVzZToKWW91IGFyZSBvbiB0 +aGUgQ0MgbGlzdCBmb3IgdGhlIGJ1Zy4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f +X19fX19fX19fX19fX18KbGlicmUtcmlzY3YtZGV2IG1haWxpbmcgbGlzdApsaWJyZS1yaXNjdi1k +ZXZAbGlzdHMubGlicmUtcmlzY3Yub3JnCmh0dHA6Ly9saXN0cy5saWJyZS1yaXNjdi5vcmcvbWFp +bG1hbi9saXN0aW5mby9saWJyZS1yaXNjdi1kZXYK + -- 2.30.2