From patchwork Fri May 17 10:21:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 10947699 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 796AC14DB for ; Fri, 17 May 2019 10:40:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1B2061FE8B for ; Fri, 17 May 2019 10:40:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0B62F26E3C; Fri, 17 May 2019 10:40:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8F22D26246 for ; Fri, 17 May 2019 10:40:00 +0000 (UTC) Received: from localhost ([127.0.0.1]:46044 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRaHP-0007xK-OJ for patchwork-qemu-devel@patchwork.kernel.org; Fri, 17 May 2019 06:39:59 -0400 Received: from eggs.gnu.org ([209.51.188.92]:49348) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRa6Q-0006QX-6g for qemu-devel@nongnu.org; Fri, 17 May 2019 06:28:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hRa1q-0005Gi-Ar for qemu-devel@nongnu.org; Fri, 17 May 2019 06:23:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:25782) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hRa1q-0005GR-2X; Fri, 17 May 2019 06:23:54 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4FCA230BBEA3; Fri, 17 May 2019 10:23:53 +0000 (UTC) Received: from t460s.redhat.com (unknown [10.36.118.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8F38819732; Fri, 17 May 2019 10:23:51 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 17 May 2019 12:21:33 +0200 Message-Id: <20190517102145.21812-29-david@redhat.com> In-Reply-To: <20190517102145.21812-1-david@redhat.com> References: <20190517102145.21812-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Fri, 17 May 2019 10:23:53 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL SUBSYSTEM s390x 28/40] s390x/tcg: Implement VECTOR ELEMENT SHIFT 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: Thomas Huth , David Hildenbrand , Cornelia Huck , Richard Henderson , qemu-s390x@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP We can use all the fancy new vector helpers implemented by Richard. One important thing to take care of is always to properly mask of unused bits from the shift count. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 9 ++++ target/s390x/translate_vx.inc.c | 84 +++++++++++++++++++++++++++++++++ 2 files changed, 93 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 59c323a796..f4b67bda7e 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1151,6 +1151,15 @@ F(0xe733, VERLL, VRS_a, V, la2, 0, 0, 0, verll, 0, IF_VEC) /* VECTOR ELEMENT ROTATE AND INSERT UNDER MASK */ F(0xe772, VERIM, VRI_d, V, 0, 0, 0, 0, verim, 0, IF_VEC) +/* VECTOR ELEMENT SHIFT LEFT */ + F(0xe770, VESLV, VRR_c, V, 0, 0, 0, 0, vesv, 0, IF_VEC) + F(0xe730, VESL, VRS_a, V, la2, 0, 0, 0, ves, 0, IF_VEC) +/* VECTOR ELEMENT SHIFT RIGHT ARITHMETIC */ + F(0xe77a, VESRAV, VRR_c, V, 0, 0, 0, 0, vesv, 0, IF_VEC) + F(0xe73a, VESRA, VRS_a, V, la2, 0, 0, 0, ves, 0, IF_VEC) +/* VECTOR ELEMENT SHIFT RIGHT LOGICAL */ + F(0xe778, VESRLV, VRR_c, V, 0, 0, 0, 0, vesv, 0, IF_VEC) + F(0xe738, VESRL, VRS_a, V, la2, 0, 0, 0, ves, 0, IF_VEC) #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c index a2de139cfc..15353096c0 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -218,6 +218,12 @@ static void get_vec_element_ptr_i64(TCGv_ptr ptr, uint8_t reg, TCGv_i64 enr, #define gen_gvec_fn_2(fn, es, v1, v2) \ tcg_gen_gvec_##fn(es, vec_full_reg_offset(v1), vec_full_reg_offset(v2), \ 16, 16) +#define gen_gvec_fn_2i(fn, es, v1, v2, c) \ + tcg_gen_gvec_##fn(es, vec_full_reg_offset(v1), vec_full_reg_offset(v2), \ + c, 16, 16) +#define gen_gvec_fn_2s(fn, es, v1, v2, s) \ + tcg_gen_gvec_##fn(es, vec_full_reg_offset(v1), vec_full_reg_offset(v2), \ + s, 16, 16) #define gen_gvec_fn_3(fn, es, v1, v2, v3) \ tcg_gen_gvec_##fn(es, vec_full_reg_offset(v1), vec_full_reg_offset(v2), \ vec_full_reg_offset(v3), 16, 16) @@ -1956,3 +1962,81 @@ static DisasJumpType op_verim(DisasContext *s, DisasOps *o) get_field(s->fields, v3), i4, &g[es]); return DISAS_NEXT; } + +static DisasJumpType op_vesv(DisasContext *s, DisasOps *o) +{ + const uint8_t es = get_field(s->fields, m4); + const uint8_t v1 = get_field(s->fields, v1); + const uint8_t v2 = get_field(s->fields, v2); + const uint8_t v3 = get_field(s->fields, v3); + + if (es > ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + switch (s->fields->op2) { + case 0x70: + gen_gvec_fn_3(shlv, es, v1, v2, v3); + break; + case 0x7a: + gen_gvec_fn_3(sarv, es, v1, v2, v3); + break; + case 0x78: + gen_gvec_fn_3(shrv, es, v1, v2, v3); + break; + default: + g_assert_not_reached(); + } + return DISAS_NEXT; +} + +static DisasJumpType op_ves(DisasContext *s, DisasOps *o) +{ + const uint8_t es = get_field(s->fields, m4); + const uint8_t d2 = get_field(s->fields, d2) & + (NUM_VEC_ELEMENT_BITS(es) - 1); + const uint8_t v1 = get_field(s->fields, v1); + const uint8_t v3 = get_field(s->fields, v3); + TCGv_i32 shift; + + if (es > ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + if (likely(!get_field(s->fields, b2))) { + switch (s->fields->op2) { + case 0x30: + gen_gvec_fn_2i(shli, es, v1, v3, d2); + break; + case 0x3a: + gen_gvec_fn_2i(sari, es, v1, v3, d2); + break; + case 0x38: + gen_gvec_fn_2i(shri, es, v1, v3, d2); + break; + default: + g_assert_not_reached(); + } + } else { + shift = tcg_temp_new_i32(); + tcg_gen_extrl_i64_i32(shift, o->addr1); + tcg_gen_andi_i32(shift, shift, NUM_VEC_ELEMENT_BITS(es) - 1); + switch (s->fields->op2) { + case 0x30: + gen_gvec_fn_2s(shls, es, v1, v3, shift); + break; + case 0x3a: + gen_gvec_fn_2s(sars, es, v1, v3, shift); + break; + case 0x38: + gen_gvec_fn_2s(shrs, es, v1, v3, shift); + break; + default: + g_assert_not_reached(); + } + tcg_temp_free_i32(shift); + } + return DISAS_NEXT; +}