From nobody Wed Feb 11 00:58:48 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1634847381467424.49844908444163; Thu, 21 Oct 2021 13:16:21 -0700 (PDT) Received: from localhost ([::1]:58372 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mdeU8-00074H-Ah for importer@patchew.org; Thu, 21 Oct 2021 16:16:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34256) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mde61-0000Xi-M1; Thu, 21 Oct 2021 15:51:25 -0400 Received: from [201.28.113.2] (port=62474 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mde5y-0003ye-Ni; Thu, 21 Oct 2021 15:51:24 -0400 Received: from power9a ([10.10.71.235]) by outlook.eldorado.org.br with Microsoft SMTPSVC(8.5.9600.16384); Thu, 21 Oct 2021 16:47:02 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by power9a (Postfix) with ESMTP id 7D31380012A; Thu, 21 Oct 2021 16:47:02 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH 21/33] target/ppc: moved stxv and lxv from legacy to decodtree Date: Thu, 21 Oct 2021 16:45:35 -0300 Message-Id: <20211021194547.672988-22-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211021194547.672988-1-matheus.ferst@eldorado.org.br> References: <20211021194547.672988-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-OriginalArrivalTime: 21 Oct 2021 19:47:02.0978 (UTC) FILETIME=[6B723A20:01D7C6B4] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=201.28.113.2; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, PDS_HP_HELO_NORDNS=0.001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action 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: lucas.castro@eldorado.org.br, richard.henderson@linaro.org, groug@kaod.org, luis.pires@eldorado.org.br, matheus.ferst@eldorado.org.br, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1634847381762100001 Content-Type: text/plain; charset="utf-8" From: "Lucas Mateus Castro (alqotel)" Moved stxv and lxv implementation from the legacy system to decodetree. Signed-off-by: Luis Pires Signed-off-by: Lucas Mateus Castro (alqotel) Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson --- target/ppc/insn32.decode | 8 ++++ target/ppc/translate.c | 17 +------- target/ppc/translate/vsx-impl.c.inc | 60 ++++++++++++++++++++++++++++- 3 files changed, 68 insertions(+), 17 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index e438177b32..296d6d6c5a 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -28,6 +28,9 @@ %dq_rtp 22:4 !function=3Dtimes_2 @DQ_rtp ...... ....0 ra:5 ............ .... &D rt=3D%d= q_rtp si=3D%dq_si =20 +%dq_rt_tsx 3:1 21:5 +@DQ_TSX ...... ..... ra:5 ............ .... &D si=3D%d= q_si rt=3D%dq_rt_tsx + %ds_si 2:s14 !function=3Dtimes_4 @DS ...... rt:5 ra:5 .............. .. &D si=3D%ds_si =20 @@ -385,3 +388,8 @@ VINSWVRX 000100 ..... ..... ..... 00110001111 = @VX =20 VSLDBI 000100 ..... ..... ..... 00 ... 010110 @VN VSRDBI 000100 ..... ..... ..... 01 ... 010110 @VN + +# VSX Load/Store Instructions + +LXV 111101 ..... ..... ............ . 001 @DQ_TSX +STXV 111101 ..... ..... ............ . 101 @DQ_TSX diff --git a/target/ppc/translate.c b/target/ppc/translate.c index d11029d03a..f109830207 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -7444,20 +7444,7 @@ static void gen_dform39(DisasContext *ctx) /* handles stfdp, lxv, stxsd, stxssp lxvx */ static void gen_dform3D(DisasContext *ctx) { - if ((ctx->opcode & 3) =3D=3D 1) { /* DQ-FORM */ - switch (ctx->opcode & 0x7) { - case 1: /* lxv */ - if (ctx->insns_flags2 & PPC2_ISA300) { - return gen_lxv(ctx); - } - break; - case 5: /* stxv */ - if (ctx->insns_flags2 & PPC2_ISA300) { - return gen_stxv(ctx); - } - break; - } - } else { /* DS-FORM */ + if ((ctx->opcode & 3) !=3D 1) { /* DS-FORM */ switch (ctx->opcode & 0x3) { case 0: /* stfdp */ if (ctx->insns_flags2 & PPC2_ISA205) { @@ -7582,7 +7569,7 @@ GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1= B, 0x00000000, #endif /* handles lfdp, lxsd, lxssp */ GEN_HANDLER_E(dform39, 0x39, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205= ), -/* handles stfdp, lxv, stxsd, stxssp, stxv */ +/* handles stfdp, stxsd, stxssp */ GEN_HANDLER_E(dform3D, 0x3D, 0xFF, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA205= ), GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx= -impl.c.inc index 57a7f73bba..dd14be6ee5 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -317,7 +317,6 @@ static void gen_##name(DisasContext *ctx) = \ tcg_temp_free_i64(xtl); \ } =20 -VSX_VECTOR_LOAD(lxv, ld_i64, 0) VSX_VECTOR_LOAD(lxvx, ld_i64, 1) =20 #define VSX_VECTOR_STORE(name, op, indexed) \ @@ -370,7 +369,6 @@ static void gen_##name(DisasContext *ctx) = \ tcg_temp_free_i64(xtl); \ } =20 -VSX_VECTOR_STORE(stxv, st_i64, 0) VSX_VECTOR_STORE(stxvx, st_i64, 1) =20 #ifdef TARGET_PPC64 @@ -2077,6 +2075,64 @@ static void gen_xvxsigdp(DisasContext *ctx) tcg_temp_free_i64(xbl); } =20 +static bool do_lstxv(DisasContext *ctx, int ra, int displ, + int rt, bool store) +{ + TCGv ea; + TCGv_i64 xt; + MemOp mop; + int offset; + + ea =3D tcg_temp_new(); + xt =3D tcg_temp_new_i64(); + + mop =3D DEF_MEMOP(MO_Q); + + gen_set_access_type(ctx, ACCESS_INT); + do_ea_calc(ctx, ra, tcg_const_tl(displ), ea); + + if (ctx->le_mode) { + gen_addr_add(ctx, ea, ea, 8); + offset =3D -8; + } else { + offset =3D 8; + } + + if (store) { + get_cpu_vsrh(xt, rt); + tcg_gen_qemu_st_i64(xt, ea, ctx->mem_idx, mop); + gen_addr_add(ctx, ea, ea, offset); + get_cpu_vsrl(xt, rt); + tcg_gen_qemu_st_i64(xt, ea, ctx->mem_idx, mop); + } else { + tcg_gen_qemu_ld_i64(xt, ea, ctx->mem_idx, mop); + set_cpu_vsrh(rt, xt); + gen_addr_add(ctx, ea, ea, offset); + tcg_gen_qemu_ld_i64(xt, ea, ctx->mem_idx, mop); + set_cpu_vsrl(rt, xt); + } + + tcg_temp_free(ea); + tcg_temp_free_i64(xt); + return true; +} + +static bool do_lstxv_D(DisasContext *ctx, arg_D *a, bool store) +{ + REQUIRE_INSNS_FLAGS2(ctx, ISA300); + + if (a->rt >=3D 32) { + REQUIRE_VSX(ctx); + } else { + REQUIRE_VECTOR(ctx); + } + + return do_lstxv(ctx, a->ra, a->si, a->rt, store); +} + +TRANS(STXV, do_lstxv_D, true) +TRANS(LXV, do_lstxv_D, false) + #undef GEN_XX2FORM #undef GEN_XX3FORM #undef GEN_XX2IFORM --=20 2.25.1