From 62475d9849b611c456d667c0cab1d2c0b5aafd0c Mon Sep 17 00:00:00 2001 From: bugzilla-daemon Date: Sun, 14 Jun 2020 23:21:04 +0000 Subject: [PATCH] [libre-riscv-dev] [Bug 336] ALU CompUnit needs to recognise that RA (src1) can be zero --- 45/9a52d92fe8ec629aa14dc5774f32f15421efba | 103 ++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 45/9a52d92fe8ec629aa14dc5774f32f15421efba diff --git a/45/9a52d92fe8ec629aa14dc5774f32f15421efba b/45/9a52d92fe8ec629aa14dc5774f32f15421efba new file mode 100644 index 0000000..566249e --- /dev/null +++ b/45/9a52d92fe8ec629aa14dc5774f32f15421efba @@ -0,0 +1,103 @@ +Return-path: +Envelope-to: publicinbox@libre-riscv.org +Delivery-date: Mon, 15 Jun 2020 00:21:06 +0100 +Received: from localhost ([::1] helo=libre-riscv.org) + by libre-soc.org with esmtp (Exim 4.89) + (envelope-from ) + id 1jkbw1-0006Ug-KJ; Mon, 15 Jun 2020 00:21:05 +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 1jkbw0-0006UX-M6 + for libre-riscv-dev@lists.libre-riscv.org; Mon, 15 Jun 2020 00:21:04 +0100 +From: bugzilla-daemon@libre-soc.org +To: libre-riscv-dev@lists.libre-riscv.org +Date: Sun, 14 Jun 2020 23:21:04 +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: cestrauss@gmail.com +X-Bugzilla-Status: CONFIRMED +X-Bugzilla-Resolution: +X-Bugzilla-Priority: --- +X-Bugzilla-Assigned-To: cestrauss@gmail.com +X-Bugzilla-Flags: +X-Bugzilla-Changed-Fields: attachments.created +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 +bnQgIzU5IGZyb20gQ2VzYXIgU3RyYXVzcyA8Y2VzdHJhdXNzQGdtYWlsLmNvbT4gLS0tCkNyZWF0 +ZWQgYXR0YWNobWVudCA2NAogIC0tPiBodHRwczovL2J1Z3MubGlicmUtc29jLm9yZy9hdHRhY2ht +ZW50LmNnaT9pZD02NCZhY3Rpb249ZWRpdApTdWdnZXN0ZWQgcGlwZWxpbmUgZGVzaWduIGZvciB0 +aGUgQUxVIENvbXAgVW5pdAoKKEluIHJlcGx5IHRvIEx1a2UgS2VubmV0aCBDYXNzb24gTGVpZ2h0 +b24gZnJvbSBjb21tZW50ICM1OCkKPiAoSW4gcmVwbHkgdG8gQ2VzYXIgU3RyYXVzcyBmcm9tIGNv +bW1lbnQgIzU3KQo+ID4gSSBkb24ndCByZWFsbHkgcmVjYWxsIGJlaW5nIG11Y2ggYWZmbGljdGVk +IGJ5IHRoaXMgc29ydCBvZiBpc3N1ZS4gQnV0IHRoZW4sCj4gPiBJIG5vcm1hbGx5IHRyeSB0byBh +dm9pZCB1c2luZyBsYXRjaGVzIGFzIG11Y2ggYXMgcG9zc2libGUsIHRoaXMgbWF5IGJlIHRoZQo+ +ID4gcmVhc29uLgo+IAo+IHl5ZWFoIHRoZXkncmUgbm90IGEgIm5vcm1hbCIgd2F5IHRvIGRvIEZT +TXMuICBob3dldmVyIHdpdGggc29tZSBhc3BlY3RzIGJlaW5nCj4gY29tYmluYXRvcmlhbCBhbmQg +c29tZSBiZWluZyBzeW5jLCB3ZSBjYW4ndCB1c2UgInN0YW5kYXJkIiB0ZWNobmlxdWVzLgoKRGlk +IHlvdSBjb25zaWRlciBpbXBsZW1lbnRpbmcgdGhlIEFMVSBDb21wVW5pdCBhcyBhIHBpcGVsaW5l +PwoKSSBoYXZlIHB1dCBzb21lIHRob3VnaHQgaW50byBpdC4gU2VlIHRoZSBhdHRhY2hlZCBkaWFn +cmFtLgoKRmlyc3QsIGNvbnNpZGVyIHRoYXQgcmVsIC8gZ28gcHJvdG9jb2wgc2VlbXMgdG8gYmUg +Y29tcGF0aWJsZSB3aXRoIHRoZSB2YWxpZCAvCnJlYWR5IHByb3RvY29sLCBieSBjb25uZWN0aW5n +IG4ucmVhZHlfby0+cmQucmVsX2kgYW5kIHJkLmdvX28tPm4udmFsaWRfaS4KTGlrZXdpc2Ugb24g +dGhlIGRlc3QgcG9ydC4gQSBwYXNzLXRocnUgc3RhZ2UgaGVscHMsIEkgdGhpbmsuCgpJbiB0aGUg +aWRsZSBzdGF0ZSwgdGhlIHN3aXRjaGVzIHdpbGwgYmUgc2V0IGFzIHNob3duLCBkaXNjb25uZWN0 +aW5nIHRoZQpwaXBlbGluZSBmcm9tIHRoZSBpbnB1dCBhbmQgb3V0cHV0IHBvcnRzLCBjb25uZWN0 +aW5nIHRoZW0gaW5zdGVhZCB0byBhIGZ1bGwKc2luayBhbmQgZW1wdHkgc291cmNlIHJlc3BlY3Rp +dmVseS4gU28sIHRoZXJlIGNhbiBiZSBubyBhY3Rpdml0eSBvbiB0aGVzZQpwb3J0cy4KCkF0IGlz +c3VlIHRpbWUsIHlvdSB0cmFuc2l0aW9uIHRoZSBkZXN0IHN3aXRjaCBmcm9tIHN0cmFpZ2h0IHRv +IGNyb3NzZWQuIEFsc28sCmluIGVhY2ggcGFyYWxsZWwgYXJtLCBjaG9vc2UgZWl0aGVyIG9uZSBv +ZiB0aGUgc3JjIG9yIGltbSBzd2l0Y2hlcyB0byBjcm9zcy4KClRoZSBiYXJyaWVyIC8gY29tYmlu +ZXIgam9pbnMgdGhlIGlucHV0IGRhdGEsIGFuZCBvdXRwdXRzIG4udmFsaWRfbyBvbmx5IHdoZW4K +Ym90aCBwLnZhbGlkX28gYXJlIGFjdGl2ZS4gQW5kIHRoZW4sIGl0IGNvcGllcyBuLnJlYWR5X2kg +dG8gYm90aCBwLnJlYWR5X2kuClRoaXMgY29tYmluZXIgdGFrZXMgY2FyZSB0byBpbmZvcm0gdGhl +IEFMVSB0aGF0IGFsbCBpdHMgb3BlcmFuZHMgaW5wdXQgYXJlCnZhbGlkLgoKVGhlIEFMVSBvdXRw +dXRzIGRpcmVjdGx5IHRvIHRoZSBkZXN0IHBvcnQuIGhvbGRpbmcgdGhlIGRhdGEgaXRzZWxmLCBh +Y2NvcmRpbmcKdG8gdGhlIHByb3RvY29sLCB1bnRpbCB0aGUgZGVzdCBwb3J0IGNhbiBhY2NlcHQg +aXQuCgpOb3RpY2UgdGhlIGxpdHRsZSBuZWVkIGZvciBGU01zIGFuZCBsYXRjaGVzIGluIHRoZSBk +ZXNpZ24uIFRoZSB0b3RhbCBjb21wbGV4aXR5CmlzIGRpdmlkZWQgaW4gbWFuYWdlYWJsZSBwaWVj +ZXMsIHR1Y2tlZCBpbnNpZGUgdGhlIHBpcGVsaW5lIHN0YWdlcy4KCklmIGFsbCBzdGFnZXMgd29y +ayBpbiBpc29sYXRpb24sIHdlIGNhbiBiZSBjb25maWRlbnQgdGhhdCB0aGUgZGVzaWduIHdpbGwg +d29yawp3aGVuIHB1dCB0b2dldGhlci4KCkRvZXMgaXQgbWFrZSBzZW5zZT8KCkkgdGhpbmsgaXQg +aXMgd29ydGggaW52ZXN0aW5nIHRoZSB0aW1lIHRvIGltcGxlbWVudCB0aGlzLiBJZiBpdCB0dXJu +cyB1cCB0aGF0Cml0IHdvcmtzLCB3ZSBjYW4gYmUgbW9yZSBjb25maWRlbnQgb24gdGhlIGRlc2ln +bi4gRXZlbiBhcHBseSB0aGUgc2FtZSBwcmluY2lwbGUKdG8gTERTVENvbXBVbml0LgoKSSBjYW4g +Z2l2ZSBpdCBhIHRyeSwgaW4gcGFyYWxsZWwgd2l0aCBvdGhlciB0YXNrcy4gSXQgd291bGQgYmUg +YSBuaWNlIHdheSB0bwpsZWFybiBtb3JlIGFib3V0IHRoZSBwaXBlbGluZSBBUEkuCgotLSAKWW91 +IGFyZSByZWNlaXZpbmcgdGhpcyBtYWlsIGJlY2F1c2U6CllvdSBhcmUgb24gdGhlIENDIGxpc3Qg +Zm9yIHRoZSBidWcuCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f +X19fCmxpYnJlLXJpc2N2LWRldiBtYWlsaW5nIGxpc3QKbGlicmUtcmlzY3YtZGV2QGxpc3RzLmxp +YnJlLXJpc2N2Lm9yZwpodHRwOi8vbGlzdHMubGlicmUtcmlzY3Yub3JnL21haWxtYW4vbGlzdGlu +Zm8vbGlicmUtcmlzY3YtZGV2Cg== + -- 2.30.2