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keydata= mQENBFQJuzwBCADAYvxrwUh1p/PvUlNFwKosVtVHHplgWi5p29t58QlOUkceZG0DBYSNqk93 3JzBTbtd4JfFcSupo6MNNOrCzdCbCjZ64ik8ycaUOSzK2tKbeQLEXzXoaDL1Y7vuVO7nL9bG E5Ru3wkhCFc7SkoypIoAUqz8EtiB6T89/D9TDEyjdXUacc53R5gu8wEWiMg5MQQuGwzbQy9n PFI+mXC7AaEUqBVc2lBQVpAYXkN0EyqNNT12UfDLdxaxaFpUAE2pCa2LTyo5vn5hEW+i3VdN PkmjyPvL6DdY03fvC01PyY8zaw+UI94QqjlrDisHpUH40IUPpC/NB0LwzL2aQOMkzT2NABEB AAG0ME1hcmsgQ2F2ZS1BeWxhbmQgPG1hcmsuY2F2ZS1heWxhbmRAaWxhbmRlLmNvLnVrPokB OAQTAQIAIgUCVAm7PAIbAwYLCQgHAwIGFQgCCQoLBBYCAwECHgECF4AACgkQW8LFb64PMh9f NAgAuc3ObOEY8NbZko72AGrg2tWKdybcMVITxmcor4hb9155o/OWcA4IDbeATR6cfiDL/oxU mcmtXVgPqOwtW3NYAKr5g/FrZZ3uluQ2mtNYAyTFeALy8YF7N3yhs7LOcpbFP7tEbkSzoXNG z8iYMiYtKwttt40WaheWuRs0ZOLbs6yoczZBDhna3Nj0LA3GpeJKlaV03O4umjKJgACP1c/q T2Pkg+FCBHHFP454+waqojHp4OCBo6HyK+8I4wJRa9Z0EFqXIu8lTDYoggeX0Xd6bWeCFHK3 DhD0/Xi/kegSW33unsp8oVcM4kcFxTkpBgj39dB4KwAUznhTJR0zUHf63LkBDQRUCbs8AQgA y7kyevA4bpetM/EjtuqQX4U05MBhEz/2SFkX6IaGtTG2NNw5wbcAfhOIuNNBYbw6ExuaJ3um 2uLseHnudmvN4VSJ5Hfbd8rhqoMmmO71szgT/ZD9MEe2KHzBdmhmhxJdp+zQNivy215j6H27 14mbC2dia7ktwP1rxPIX1OOfQwPuqlkmYPuVwZP19S4EYnCELOrnJ0m56tZLn5Zj+1jZX9Co YbNLMa28qsktYJ4oU4jtn6V79H+/zpERZAHmH40IRXdR3hA+Ye7iC/ZpWzT2VSDlPbGY9Yja Sp7w2347L5G+LLbAfaVoejHlfy/msPeehUcuKjAdBLoEhSPYzzdvEQARAQABiQEfBBgBAgAJ BQJUCbs8AhsMAAoJEFvCxW+uDzIfabYIAJXmBepHJpvCPiMNEQJNJ2ZSzSjhic84LTMWMbJ+ opQgr5cb8SPQyyb508fc8b4uD8ejlF/cdbbBNktp3BXsHlO5BrmcABgxSP8HYYNsX0n9kERv NMToU0oiBuAaX7O/0K9+BW+3+PGMwiu5ml0cwDqljxfVN0dUBZnQ8kZpLsY+WDrIHmQWjtH+ Ir6VauZs5Gp25XLrL6bh/SL8aK0BX6y79m5nhfKI1/6qtzHAjtMAjqy8ChPvOqVVVqmGUzFg KPsrrIoklWcYHXPyMLj9afispPVR8e0tMKvxzFBWzrWX1mzljbBlnV2n8BIwVXWNbgwpHSsj imgcU9TTGC5qd9g= Message-ID: Date: Tue, 25 Jun 2019 18:55:56 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <68facefc-b801-4902-11c0-4542662bfc4e@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 86.173.229.95 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: Yes (on mail.default.ilande.uk0.bigv.io) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 46.43.2.167 Subject: Re: [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Gibson , QEMU Developers , Howard Spoelstra Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 25/06/2019 16:56, Richard Henderson wrote: > On 6/25/19 5:37 PM, Mark Cave-Ayland wrote: >> The problem is that in tcg/tcg-op.h we define "DEF(dup2_vec, 1, 2, 0, IMPLVEC | >> IMPL(TCG_TARGET_REG_BITS == 32))" and in the last patchset dup2_vec isn't introduced >> until towards the end. Unfortunately it's not a simple as bringing the patch forward >> within the series to maintain bisectability because the current implementation >> depends on VMRG which only appears in the patch just before it... > > Ah, that would explain it. I admit I haven't looked at v5 that closely. It's actually the same in both patchsets: I'm still playing with v4 at the moment since I have a few hacks in place to help me figure out what's going on. >> Next to try and figure out what exactly is causing the fault. Just a quick question >> out of curiosity: is your Power9 system BE or LE? > > The Power9 is LE. > > I do have access to a Power7 BE system, and that worked last time I checked. > I'll try that again tomorrow to be sure. And here's where we are blowing up according to -d in_asm,op_out_asm: IN: 0x00f22ca0: 101ffc84 vor v0, v31, v31 OP: ld_i32 tmp0,env,$0xfffffff8 movi_i32 tmp1,$0x0 brcond_i32 tmp0,tmp1,lt,$L0 ---- 00f22ca0 ld_vec v128,e8,tmp2,env,$0xd6b0 st_vec v128,e8,tmp2,env,$0xd4c0 movi_i32 nip,$0xf22ca4 movi_i32 nip,$0xf22ca4 movi_i32 tmp0,$0x10002 call raise_exception,$0x2,$0,env,tmp0 exit_tb $0x0 set_label $L0 exit_tb $0xa4e7f0c3 OUT: [size=96] 0xa4e7f120: 81dbfff8 lwz r14, -8(r27) 0xa4e7f124: 2f8e0000 cmpwi cr7, r14, 0 0xa4e7f128: 419c004c blt cr7, 0xa4e7f174 0xa4e7f12c: 3c400000 lis r2, 0 0xa4e7f130: 6042d6b0 ori r2, r2, 0xd6b0 0xa4e7f134: 7c5b10ce lvx v2, r27, r2 0xa4e7f138: 3c400000 lis r2, 0 0xa4e7f13c: 6042d4c0 ori r2, r2, 0xd4c0 0xa4e7f140: 7c5b11ce stvx v2, r27, r2 0xa4e7f144: 3dc000f2 lis r14, 0xf2 0xa4e7f148: 61ce2ca4 ori r14, r14, 0x2ca4 0xa4e7f14c: 91db016c stw r14, 0x16c(r27) 0xa4e7f150: 7f63db78 mr r3, r27 0xa4e7f154: 3c800001 lis r4, 1 0xa4e7f158: 60840002 ori r4, r4, 2 0xa4e7f15c: 3c000087 lis r0, 0x87 0xa4e7f160: 6000b618 ori r0, r0, 0xb618 0xa4e7f164: 7c0903a6 mtctr r0 0xa4e7f168: 4e800421 bctrl 0xa4e7f16c: 38600000 li r3, 0 0xa4e7f170: 4bfffef0 b 0xa4e7f060 0xa4e7f174: 3c60a4e7 lis r3, -0x5b19 0xa4e7f178: 6063f0c3 ori r3, r3, 0xf0c3 0xa4e7f17c: 4bfffee4 b 0xa4e7f060 Any ideas what might be going on here? ATB, Mark.