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Violators will be prosecuted; Wed, 27 Jul 2016 05:27:29 +1000 X-IBM-Helo: d23dlp01.au.ibm.com X-IBM-MailFrom: nikunj@linux.vnet.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org;qemu-ppc@nongnu.org Received: from d23relay06.au.ibm.com (d23relay06.au.ibm.com [9.185.63.219]) by d23dlp01.au.ibm.com (Postfix) with ESMTP id 2A4D82CE8054; Wed, 27 Jul 2016 05:27:29 +1000 (EST) Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay06.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u6QJRT4X31785058; Wed, 27 Jul 2016 05:27:29 +1000 Received: from d23av03.au.ibm.com (localhost [127.0.0.1]) by d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u6QJRSbK003249; Wed, 27 Jul 2016 05:27:28 +1000 Received: from abhimanyu.in.ibm.com ([9.124.215.195]) by d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u6QJR5Lr002818; Wed, 27 Jul 2016 05:27:25 +1000 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Wed, 27 Jul 2016 00:56:57 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1469561218-3067-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1469561218-3067-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16072619-0052-0000-0000-000001B2F283 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16072619-0053-0000-0000-00000672CCA5 Message-Id: <1469561218-3067-6-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-07-26_13:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1607260207 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH RFC v0 5/6] target-ppc: add vsrv instruction X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nikunj@linux.vnet.ibm.com, qemu-devel@nongnu.org, Vivek Andrew Sha , aneesh.kumar@linux.vnet.ibm.com, bharata@linux.vnet.ibm.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Vivek Andrew Sha Adds Vector Shift Right Variable instruction. Signed-off-by: Vivek Andrew Sha Signed-off-by: Nikunj A Dadhania --- target-ppc/helper.h | 1 + target-ppc/int_helper.c | 17 +++++++++++++++++ target-ppc/translate.c | 2 ++ 3 files changed, 20 insertions(+) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 9703f85..8eada2f 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -211,6 +211,7 @@ DEF_HELPER_3(vslw, void, avr, avr, avr) DEF_HELPER_3(vsld, void, avr, avr, avr) DEF_HELPER_3(vslo, void, avr, avr, avr) DEF_HELPER_3(vsro, void, avr, avr, avr) +DEF_HELPER_3(vsrv, void, avr, avr, avr) DEF_HELPER_3(vslv, void, avr, avr, avr) DEF_HELPER_3(vaddcuw, void, avr, avr, avr) DEF_HELPER_3(vsubcuw, void, avr, avr, avr) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 412398f..f4776f0 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -1722,6 +1722,23 @@ void helper_vslv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) } } +void helper_vsrv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + int i; + unsigned int shift, bytes, src[ARRAY_SIZE(r->u8) + 1]; + + src[0] = 0; + for (i = 0; i < ARRAY_SIZE(r->u8); i++) { + src[i + 1] = a->u8[i]; + } + + for (i = 0; i < ARRAY_SIZE(r->u8); i++) { + shift = b->u8[i] & 0x7; /* extract shift value */ + bytes = (src[i] << 8) + src[i + 1]; /* extract adjacent bytes */ + r->u8[i] = (bytes >> shift) & 0xFF; /* shift and store result */ + } +} + void helper_vsldoi(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift) { int sh = shift & 0xf; diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 473f21a..3382cd0 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7457,6 +7457,7 @@ GEN_VXFORM(vsraw, 2, 14); GEN_VXFORM(vsrad, 2, 15); GEN_VXFORM(vslo, 6, 16); GEN_VXFORM(vsro, 6, 17); +GEN_VXFORM(vsrv, 2, 28); GEN_VXFORM(vslv, 2, 29); GEN_VXFORM(vaddcuw, 0, 6); GEN_VXFORM(vsubcuw, 0, 22); @@ -10943,6 +10944,7 @@ GEN_VXFORM(vsraw, 2, 14), GEN_VXFORM_207(vsrad, 2, 15), GEN_VXFORM(vslo, 6, 16), GEN_VXFORM(vsro, 6, 17), +GEN_VXFORM(vsrv, 2, 28), GEN_VXFORM(vslv, 2, 29), GEN_VXFORM(vaddcuw, 0, 6), GEN_VXFORM(vsubcuw, 0, 22),