From patchwork Sat Sep 19 00:14:35 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Gang X-Patchwork-Id: 519614 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id C7F8B140789 for ; Sat, 19 Sep 2015 10:15:13 +1000 (AEST) Received: from localhost ([::1]:42649 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zd5o8-0005wK-10 for incoming@patchwork.ozlabs.org; Fri, 18 Sep 2015 20:15:12 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42774) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zd5nn-0005Sd-9p for qemu-devel@nongnu.org; Fri, 18 Sep 2015 20:14:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zd5nk-0004yb-35 for qemu-devel@nongnu.org; Fri, 18 Sep 2015 20:14:51 -0400 Received: from smtpbg62.qq.com ([103.7.29.139]:57859 helo=smtpbg64.qq.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zd5nj-0004wt-Hj for qemu-devel@nongnu.org; Fri, 18 Sep 2015 20:14:48 -0400 X-QQ-mid: esmtp15t1442621678t104t05846 Received: from localhost.localdomain (unknown [223.72.67.117]) by esmtp5.qq.com (ESMTP) with id ; Sat, 19 Sep 2015 08:14:36 +0800 (CST) X-QQ-SSF: 01000000000000F0FG500F00002000H X-QQ-FEAT: 9y9240l9lsMj22yhMQSUDmoW9yqx7NIqFwk37JpeGTBZ+97eitydL1VgNPRaS 7o6QVRKKl/rKU90/SaiBWvaC0Q+0WMKMuJlcMvSnBTvXnUFjonBznGUXVfKlyo6TN4TsCBP hWnSMQPaskmmr4fNKs72+VeCTolW0A3v+fCD6ulU10eRkLenTMvZ1TWL4aZXaVg9p9shwC7 WnDifDIYQWaoQ4l/5Qt1LmouWZIAOi5An+HvJzjMZKA== X-QQ-GoodBg: 0 X-QQ-CSender: gang.chen.5i5j@qq.com From: gang.chen.5i5j@gmail.com To: peter.maydell@linaro.org, rth@twiddle.net Date: Sat, 19 Sep 2015 08:14:35 +0800 Message-Id: <1442621675-4318-1-git-send-email-gang.chen.5i5j@gmail.com> X-Mailer: git-send-email 1.9.3 X-QQ-SENDSIZE: 520 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x X-Received-From: 103.7.29.139 Cc: qemu-devel@nongnu.org, xili_gchen_5257@hotmail.com, Chen Gang Subject: [Qemu-devel] [PATCH] target-tilegx: Implement v1multu instruction X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Chen Gang Only according to v1add implementation. Signed-off-by: Chen Gang Reviewed-by: Richard Henderson --- target-tilegx/helper.h | 1 + target-tilegx/simd_helper.c | 13 +++++++++++++ target-tilegx/translate.c | 4 ++++ 3 files changed, 18 insertions(+) diff --git a/target-tilegx/helper.h b/target-tilegx/helper.h index c366984..0af91af 100644 --- a/target-tilegx/helper.h +++ b/target-tilegx/helper.h @@ -6,6 +6,7 @@ DEF_HELPER_FLAGS_1(revbits, TCG_CALL_NO_RWG_SE, i64, i64) DEF_HELPER_FLAGS_3(shufflebytes, TCG_CALL_NO_RWG_SE, i64, i64, i64, i64) DEF_HELPER_FLAGS_2(v1add, TCG_CALL_NO_RWG_SE, i64, i64, i64) +DEF_HELPER_FLAGS_2(v1multu, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_2(v1shl, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_2(v1shru, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_2(v1shrs, TCG_CALL_NO_RWG_SE, i64, i64, i64) diff --git a/target-tilegx/simd_helper.c b/target-tilegx/simd_helper.c index ec589fe..d1cd9bc 100644 --- a/target-tilegx/simd_helper.c +++ b/target-tilegx/simd_helper.c @@ -192,3 +192,16 @@ uint64_t helper_v4shrs(uint64_t a, uint64_t b) } return r; } + +uint64_t helper_v1multu(uint64_t a, uint64_t b) +{ + uint64_t r = 0; + int i; + + for (i = 0; i < 64; i += 8) { + uint64_t ae = (uint8_t)(a >> i); + uint64_t be = (uint8_t)(b >> i); + r |= ((ae * be) & 0xff) << i; + } + return r; +} diff --git a/target-tilegx/translate.c b/target-tilegx/translate.c index 2246243..4fc7cd7 100644 --- a/target-tilegx/translate.c +++ b/target-tilegx/translate.c @@ -1074,7 +1074,11 @@ static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext, case OE_RRR(V1MINU, 0, X1): case OE_RRR(V1MNZ, 0, X0): case OE_RRR(V1MNZ, 0, X1): + return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V1MULTU, 0, X0): + gen_helper_v1multu(tdest, tsrca, tsrcb); + mnemonic = "v1multu"; + break; case OE_RRR(V1MULUS, 0, X0): case OE_RRR(V1MULU, 0, X0): case OE_RRR(V1MZ, 0, X0):