From nobody Mon Nov 10 11:17:37 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1555440918; cv=none; d=zoho.com; s=zohoarc; b=dMlSl6VpbwDD27Abf6+bnN7dStYRGhDE8WAbH1BDolWGsENq8sqzD9SYRVINNeT1vB9Nwvv4XAmq2YrRnMPqt3pJZ9BfEoCNzaxRF4S4YTaxDcsLQXeg1ZrLcXl5P1Qf1TfL8y5qp42Um3Gzz+gMn1IlDSY6T1xEm2HMTD6Gozg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1555440918; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=nbtf4e+1/rc47ojLE1/QPdtbm4QpgTQlm5hxqAqdYvc=; b=mvq/0qS+QV8gqNZp2bLIzEGxUy21HMwSbtv1jqeLdG8FgxWQFUaSglzi2eNbG5/zUt4tmzl+GJE3Yyb4at6r/E8wH5nRe0Wquh+nbdOb5iwnnI+f5rjqJYgfVY0+bBeeP6AYP+pTSn4ol7yChBZSy6I7A6DwntR15uET9inB9zk= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1555440918167961.1330449980431; Tue, 16 Apr 2019 11:55:18 -0700 (PDT) Received: from localhost ([127.0.0.1]:41025 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hGTEa-0005kX-Ui for importer@patchew.org; Tue, 16 Apr 2019 14:55:09 -0400 Received: from eggs.gnu.org ([209.51.188.92]:54295) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hGTCh-0004P3-7a for qemu-devel@nongnu.org; Tue, 16 Apr 2019 14:53:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hGTCe-0003km-Rq for qemu-devel@nongnu.org; Tue, 16 Apr 2019 14:53:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47830) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hGTCe-0003hZ-Gs; Tue, 16 Apr 2019 14:53:08 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C54F981DE6; Tue, 16 Apr 2019 18:53:07 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-105.ams2.redhat.com [10.36.116.105]) by smtp.corp.redhat.com (Postfix) with ESMTP id 765245D707; Tue, 16 Apr 2019 18:53:06 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Tue, 16 Apr 2019 20:52:21 +0200 Message-Id: <20190416185301.25344-2-david@redhat.com> In-Reply-To: <20190416185301.25344-1-david@redhat.com> References: <20190416185301.25344-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Tue, 16 Apr 2019 18:53:07 +0000 (UTC) Content-Transfer-Encoding: quoted-printable 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] [PATCH v2 01/41] tcg: Implement tcg_gen_gvec_3i() 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: qemu-s390x@nongnu.org, Cornelia Huck , David Hildenbrand , Thomas Huth , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Let's add tcg_gen_gvec_3i(), similar to tcg_gen_gvec_2i(), however without introducing "gen_helper_gvec_3i *fnoi", as it isn't needed for now. Signed-off-by: David Hildenbrand Reviewed-by: Richard Henderson --- tcg/tcg-op-gvec.c | 139 ++++++++++++++++++++++++++++++++++++++++++++++ tcg/tcg-op-gvec.h | 24 ++++++++ 2 files changed, 163 insertions(+) diff --git a/tcg/tcg-op-gvec.c b/tcg/tcg-op-gvec.c index 0996ef0812..f831adb4e7 100644 --- a/tcg/tcg-op-gvec.c +++ b/tcg/tcg-op-gvec.c @@ -663,6 +663,29 @@ static void expand_3_i32(uint32_t dofs, uint32_t aofs, tcg_temp_free_i32(t0); } =20 +static void expand_3i_i32(uint32_t dofs, uint32_t aofs, uint32_t bofs, + uint32_t oprsz, int32_t c, bool load_dest, + void (*fni)(TCGv_i32, TCGv_i32, TCGv_i32, int32_= t)) +{ + TCGv_i32 t0 =3D tcg_temp_new_i32(); + TCGv_i32 t1 =3D tcg_temp_new_i32(); + TCGv_i32 t2 =3D tcg_temp_new_i32(); + uint32_t i; + + for (i =3D 0; i < oprsz; i +=3D 4) { + tcg_gen_ld_i32(t0, cpu_env, aofs + i); + tcg_gen_ld_i32(t1, cpu_env, bofs + i); + if (load_dest) { + tcg_gen_ld_i32(t2, cpu_env, dofs + i); + } + fni(t2, t0, t1, c); + tcg_gen_st_i32(t2, cpu_env, dofs + i); + } + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + tcg_temp_free_i32(t2); +} + /* Expand OPSZ bytes worth of three-operand operations using i32 elements.= */ static void expand_4_i32(uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t cofs, uint32_t oprsz, bool write_aofs, @@ -770,6 +793,29 @@ static void expand_3_i64(uint32_t dofs, uint32_t aofs, tcg_temp_free_i64(t0); } =20 +static void expand_3i_i64(uint32_t dofs, uint32_t aofs, uint32_t bofs, + uint32_t oprsz, int64_t c, bool load_dest, + void (*fni)(TCGv_i64, TCGv_i64, TCGv_i64, int64_= t)) +{ + TCGv_i64 t0 =3D tcg_temp_new_i64(); + TCGv_i64 t1 =3D tcg_temp_new_i64(); + TCGv_i64 t2 =3D tcg_temp_new_i64(); + uint32_t i; + + for (i =3D 0; i < oprsz; i +=3D 8) { + tcg_gen_ld_i64(t0, cpu_env, aofs + i); + tcg_gen_ld_i64(t1, cpu_env, bofs + i); + if (load_dest) { + tcg_gen_ld_i64(t2, cpu_env, dofs + i); + } + fni(t2, t0, t1, c); + tcg_gen_st_i64(t2, cpu_env, dofs + i); + } + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); +} + /* Expand OPSZ bytes worth of three-operand operations using i64 elements.= */ static void expand_4_i64(uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t cofs, uint32_t oprsz, bool write_aofs, @@ -883,6 +929,35 @@ static void expand_3_vec(unsigned vece, uint32_t dofs,= uint32_t aofs, tcg_temp_free_vec(t0); } =20 +/* + * Expand OPSZ bytes worth of three-vector operands and an immediate opera= nd + * using host vectors. + */ +static void expand_3i_vec(unsigned vece, uint32_t dofs, uint32_t aofs, + uint32_t bofs, uint32_t oprsz, uint32_t tysz, + TCGType type, int64_t c, bool load_dest, + void (*fni)(unsigned, TCGv_vec, TCGv_vec, TCGv_v= ec, + int64_t)) +{ + TCGv_vec t0 =3D tcg_temp_new_vec(type); + TCGv_vec t1 =3D tcg_temp_new_vec(type); + TCGv_vec t2 =3D tcg_temp_new_vec(type); + uint32_t i; + + for (i =3D 0; i < oprsz; i +=3D tysz) { + tcg_gen_ld_vec(t0, cpu_env, aofs + i); + tcg_gen_ld_vec(t1, cpu_env, bofs + i); + if (load_dest) { + tcg_gen_ld_vec(t2, cpu_env, dofs + i); + } + fni(vece, t2, t0, t1, c); + tcg_gen_st_vec(t2, cpu_env, dofs + i); + } + tcg_temp_free_vec(t0); + tcg_temp_free_vec(t1); + tcg_temp_free_vec(t2); +} + /* Expand OPSZ bytes worth of four-operand operations using host vectors. = */ static void expand_4_vec(unsigned vece, uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t cofs, uint32_t oprsz, @@ -1174,6 +1249,70 @@ void tcg_gen_gvec_3(uint32_t dofs, uint32_t aofs, ui= nt32_t bofs, } } =20 +/* Expand a vector operation with three vectors and an immediate. */ +void tcg_gen_gvec_3i(uint32_t dofs, uint32_t aofs, uint32_t bofs, + uint32_t oprsz, uint32_t maxsz, int64_t c, + const GVecGen3i *g) +{ + TCGType type; + uint32_t some; + + check_size_align(oprsz, maxsz, dofs | aofs | bofs); + check_overlap_3(dofs, aofs, bofs, maxsz); + + type =3D 0; + if (g->fniv) { + type =3D choose_vector_type(g->opc, g->vece, oprsz, g->prefer_i64); + } + switch (type) { + case TCG_TYPE_V256: + /* + * Recall that ARM SVE allows vector sizes that are not a + * power of 2, but always a multiple of 16. The intent is + * that e.g. size =3D=3D 80 would be expanded with 2x32 + 1x16. + */ + some =3D QEMU_ALIGN_DOWN(oprsz, 32); + expand_3i_vec(g->vece, dofs, aofs, bofs, some, 32, TCG_TYPE_V256, + c, g->load_dest, g->fniv); + if (some =3D=3D oprsz) { + break; + } + dofs +=3D some; + aofs +=3D some; + bofs +=3D some; + oprsz -=3D some; + maxsz -=3D some; + /* fallthru */ + case TCG_TYPE_V128: + expand_3i_vec(g->vece, dofs, aofs, bofs, oprsz, 16, TCG_TYPE_V128, + c, g->load_dest, g->fniv); + break; + case TCG_TYPE_V64: + expand_3i_vec(g->vece, dofs, aofs, bofs, oprsz, 8, TCG_TYPE_V64, + c, g->load_dest, g->fniv); + break; + + case 0: + if (g->fni8 && check_size_impl(oprsz, 8)) { + expand_3i_i64(dofs, aofs, bofs, oprsz, c, g->load_dest, g->fni= 8); + } else if (g->fni4 && check_size_impl(oprsz, 4)) { + expand_3i_i32(dofs, aofs, bofs, oprsz, c, g->load_dest, g->fni= 4); + } else { + assert(g->fno !=3D NULL); + tcg_gen_gvec_3_ool(dofs, aofs, bofs, oprsz, maxsz, c, g->fno); + return; + } + break; + + default: + g_assert_not_reached(); + } + + if (oprsz < maxsz) { + expand_clr(dofs + oprsz, maxsz - oprsz); + } +} + /* Expand a vector four-operand operation. */ void tcg_gen_gvec_4(uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t = cofs, uint32_t oprsz, uint32_t maxsz, const GVecGen4 *g) diff --git a/tcg/tcg-op-gvec.h b/tcg/tcg-op-gvec.h index 850da32ded..c093243c4c 100644 --- a/tcg/tcg-op-gvec.h +++ b/tcg/tcg-op-gvec.h @@ -164,6 +164,27 @@ typedef struct { bool load_dest; } GVecGen3; =20 +typedef struct { + /* + * Expand inline as a 64-bit or 32-bit integer. Only one of these will= be + * non-NULL. + */ + void (*fni8)(TCGv_i64, TCGv_i64, TCGv_i64, int64_t); + void (*fni4)(TCGv_i32, TCGv_i32, TCGv_i32, int32_t); + /* Expand inline with a host vector type. */ + void (*fniv)(unsigned, TCGv_vec, TCGv_vec, TCGv_vec, int64_t); + /* Expand out-of-line helper w/descriptor, data in descriptor. */ + gen_helper_gvec_3 *fno; + /* The opcode, if any, to which this corresponds. */ + TCGOpcode opc; + /* The vector element size, if applicable. */ + uint8_t vece; + /* Prefer i64 to v64. */ + bool prefer_i64; + /* Load dest as a 3rd source operand. */ + bool load_dest; +} GVecGen3i; + typedef struct { /* Expand inline as a 64-bit or 32-bit integer. Only one of these will be non-NULL. */ @@ -193,6 +214,9 @@ void tcg_gen_gvec_2s(uint32_t dofs, uint32_t aofs, uint= 32_t oprsz, uint32_t maxsz, TCGv_i64 c, const GVecGen2s *); void tcg_gen_gvec_3(uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t oprsz, uint32_t maxsz, const GVecGen3 *); +void tcg_gen_gvec_3i(uint32_t dofs, uint32_t aofs, uint32_t bofs, + uint32_t oprsz, uint32_t maxsz, int64_t c, + const GVecGen3i *); void tcg_gen_gvec_4(uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t = cofs, uint32_t oprsz, uint32_t maxsz, const GVecGen4 *); =20 --=20 2.20.1