From patchwork Fri Sep 23 21:47:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Mateus Martins Araujo e Castro X-Patchwork-Id: 12987244 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 37F29C07E9D for ; Fri, 23 Sep 2022 22:08:42 +0000 (UTC) Received: from localhost ([::1]:34126 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1obqqf-0004lT-4Z for qemu-devel@archiver.kernel.org; Fri, 23 Sep 2022 18:08:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52588) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1obqYA-0006sb-HV; Fri, 23 Sep 2022 17:49:34 -0400 Received: from [200.168.210.66] (port=12827 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1obqY8-0006ea-IP; Fri, 23 Sep 2022 17:49:34 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Fri, 23 Sep 2022 18:47:58 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 15B398000B4; Fri, 23 Sep 2022 18:47:58 -0300 (-03) From: "Lucas Mateus Castro(alqotel)" To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: richard.henderson@linaro.org, Daniel Henrique Barboza , "Lucas Mateus Castro (alqotel)" , =?utf-8?q?C?= =?utf-8?q?=C3=A9dric_Le_Goater?= , David Gibson , Greg Kurz Subject: [PATCH 08/12] target/ppc: Use gvec to decode XV[N]ABS[DS]P/XVNEG[DS]P Date: Fri, 23 Sep 2022 18:47:50 -0300 Message-Id: <20220923214754.217819-9-lucas.araujo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220923214754.217819-1-lucas.araujo@eldorado.org.br> References: <20220923214754.217819-1-lucas.araujo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 23 Sep 2022 21:47:58.0297 (UTC) FILETIME=[2529CC90:01D8CF96] X-Host-Lookup-Failed: Reverse DNS lookup failed for 200.168.210.66 (failed) Received-SPF: pass client-ip=200.168.210.66; envelope-from=lucas.araujo@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, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: "Lucas Mateus Castro (alqotel)" Moved XVABSSP, XVABSDP, XVNABSSP,XVNABSDP, XVNEGSP and XVNEGDP to decodetree and used gvec to translate them. xvabssp: rept loop master patch 8 12500 0,00477900 0,00476000 (-0.4%) 25 4000 0,00442800 0,00353300 (-20.2%) 100 1000 0,00478700 0,00366100 (-23.5%) 500 200 0,00973200 0,00649400 (-33.3%) 2500 40 0,03165200 0,02226700 (-29.7%) 8000 12 0,09315900 0,06674900 (-28.3%) xvabsdp: rept loop master patch 8 12500 0,00475000 0,00474400 (-0.1%) 25 4000 0,00355600 0,00367500 (+3.3%) 100 1000 0,00444200 0,00366000 (-17.6%) 500 200 0,00942700 0,00732400 (-22.3%) 2500 40 0,02990000 0,02308500 (-22.8%) 8000 12 0,08770300 0,06683800 (-23.8%) xvnabssp: rept loop master patch 8 12500 0,00494500 0,00492900 (-0.3%) 25 4000 0,00397700 0,00338600 (-14.9%) 100 1000 0,00421400 0,00353500 (-16.1%) 500 200 0,01048000 0,00707100 (-32.5%) 2500 40 0,03251500 0,02238300 (-31.2%) 8000 12 0,08889100 0,06469800 (-27.2%) xvnabsdp: rept loop master patch 8 12500 0,00511000 0,00492700 (-3.6%) 25 4000 0,00398800 0,00381500 (-4.3%) 100 1000 0,00390500 0,00365900 (-6.3%) 500 200 0,00924800 0,00784600 (-15.2%) 2500 40 0,03138900 0,02391600 (-23.8%) 8000 12 0,09654200 0,05684600 (-41.1%) xvnegsp: rept loop master patch 8 12500 0,00493900 0,00452800 (-8.3%) 25 4000 0,00369100 0,00366800 (-0.6%) 100 1000 0,00371100 0,00380000 (+2.4%) 500 200 0,00991100 0,00652300 (-34.2%) 2500 40 0,03025800 0,02422300 (-19.9%) 8000 12 0,09251100 0,06457600 (-30.2%) xvnegdp: rept loop master patch 8 12500 0,00474900 0,00454400 (-4.3%) 25 4000 0,00353100 0,00325600 (-7.8%) 100 1000 0,00398600 0,00366800 (-8.0%) 500 200 0,01032300 0,00702400 (-32.0%) 2500 40 0,03125000 0,02422400 (-22.5%) 8000 12 0,09475100 0,06173000 (-34.9%) This one to me seemed the opposite of the previous instructions, as it looks like there was an improvement in the translation time (itself not a surprise as operations were done twice before so there was the need to translate twice as many TCGop) Signed-off-by: Lucas Mateus Castro (alqotel) Reviewed-by: Richard Henderson --- target/ppc/insn32.decode | 9 ++++ target/ppc/translate/vsx-impl.c.inc | 76 ++++++++++++++++++++++++++--- target/ppc/translate/vsx-ops.c.inc | 6 --- 3 files changed, 79 insertions(+), 12 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index ae151c4b62..5b687078be 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -754,6 +754,15 @@ STXVRHX 011111 ..... ..... ..... 0010101101 . @X_TSX STXVRWX 011111 ..... ..... ..... 0011001101 . @X_TSX STXVRDX 011111 ..... ..... ..... 0011101101 . @X_TSX +## VSX Vector Binary Floating-Point Sign Manipulation Instructions + +XVABSDP 111100 ..... 00000 ..... 111011001 .. @XX2 +XVABSSP 111100 ..... 00000 ..... 110011001 .. @XX2 +XVNABSDP 111100 ..... 00000 ..... 111101001 .. @XX2 +XVNABSSP 111100 ..... 00000 ..... 110101001 .. @XX2 +XVNEGDP 111100 ..... 00000 ..... 111111001 .. @XX2 +XVNEGSP 111100 ..... 00000 ..... 110111001 .. @XX2 + ## VSX Scalar Multiply-Add Instructions XSMADDADP 111100 ..... ..... ..... 00100001 . . . @XX3 diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index 7acdbceec4..426a9a3926 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -782,15 +782,79 @@ static void glue(gen_, name)(DisasContext *ctx) \ tcg_temp_free_i64(sgm); \ } -VSX_VECTOR_MOVE(xvabsdp, OP_ABS, SGN_MASK_DP) -VSX_VECTOR_MOVE(xvnabsdp, OP_NABS, SGN_MASK_DP) -VSX_VECTOR_MOVE(xvnegdp, OP_NEG, SGN_MASK_DP) VSX_VECTOR_MOVE(xvcpsgndp, OP_CPSGN, SGN_MASK_DP) -VSX_VECTOR_MOVE(xvabssp, OP_ABS, SGN_MASK_SP) -VSX_VECTOR_MOVE(xvnabssp, OP_NABS, SGN_MASK_SP) -VSX_VECTOR_MOVE(xvnegsp, OP_NEG, SGN_MASK_SP) VSX_VECTOR_MOVE(xvcpsgnsp, OP_CPSGN, SGN_MASK_SP) +#define TCG_OP_IMM_i64(FUNC, OP, IMM) \ + static void FUNC(TCGv_i64 t, TCGv_i64 b) \ + { \ + OP(t, b, IMM); \ + } + +TCG_OP_IMM_i64(do_xvabssp_i64, tcg_gen_andi_i64, ~SGN_MASK_SP) +TCG_OP_IMM_i64(do_xvnabssp_i64, tcg_gen_ori_i64, SGN_MASK_SP) +TCG_OP_IMM_i64(do_xvnegsp_i64, tcg_gen_xori_i64, SGN_MASK_SP) +TCG_OP_IMM_i64(do_xvabsdp_i64, tcg_gen_andi_i64, ~SGN_MASK_DP) +TCG_OP_IMM_i64(do_xvnabsdp_i64, tcg_gen_ori_i64, SGN_MASK_DP) +TCG_OP_IMM_i64(do_xvnegdp_i64, tcg_gen_xori_i64, SGN_MASK_DP) +#undef TCG_OP_IMM_i64 + +static void xv_msb_op1(unsigned vece, TCGv_vec t, TCGv_vec b, + void (*tcg_gen_op_vec)(unsigned, TCGv_vec, TCGv_vec, TCGv_vec)) +{ + TCGv_vec most_significant_bit = tcg_temp_new_vec_matching(t); + uint64_t msb = (vece == MO_32) ? SGN_MASK_SP : SGN_MASK_DP; + tcg_gen_dupi_vec(vece, most_significant_bit, msb); + tcg_gen_op_vec(vece, t, b, most_significant_bit); + tcg_temp_free_vec(most_significant_bit); +} + +static void do_xvabs_vec(unsigned vece, TCGv_vec t, TCGv_vec b) +{ + xv_msb_op1(vece, t, b, tcg_gen_andc_vec); +} + +static void do_xvnabs_vec(unsigned vece, TCGv_vec t, TCGv_vec b) +{ + xv_msb_op1(vece, t, b, tcg_gen_or_vec); +} + +static void do_xvneg_vec(unsigned vece, TCGv_vec t, TCGv_vec b) +{ + xv_msb_op1(vece, t, b, tcg_gen_xor_vec); +} + +static bool do_vsx_msb_op(DisasContext *ctx, arg_XX2 *a, unsigned vece, + void (*vec)(unsigned, TCGv_vec, TCGv_vec), + void (*i64)(TCGv_i64, TCGv_i64)) +{ + static const TCGOpcode vecop_list[] = { + 0 + }; + + const GVecGen2 op = { + .fni8 = i64, + .fniv = vec, + .opt_opc = vecop_list, + .vece = vece + }; + + REQUIRE_INSNS_FLAGS2(ctx, VSX); + REQUIRE_VSX(ctx); + + tcg_gen_gvec_2(vsr_full_offset(a->xt), vsr_full_offset(a->xb), + 16, 16, &op); + + return true; +} + +TRANS(XVABSDP, do_vsx_msb_op, MO_64, do_xvabs_vec, do_xvabsdp_i64) +TRANS(XVNABSDP, do_vsx_msb_op, MO_64, do_xvnabs_vec, do_xvnabsdp_i64) +TRANS(XVNEGDP, do_vsx_msb_op, MO_64, do_xvneg_vec, do_xvnegdp_i64) +TRANS(XVABSSP, do_vsx_msb_op, MO_32, do_xvabs_vec, do_xvabssp_i64) +TRANS(XVNABSSP, do_vsx_msb_op, MO_32, do_xvnabs_vec, do_xvnabssp_i64) +TRANS(XVNEGSP, do_vsx_msb_op, MO_32, do_xvneg_vec, do_xvnegsp_i64) + #define VSX_CMP(name, op1, op2, inval, type) \ static void gen_##name(DisasContext *ctx) \ { \ diff --git a/target/ppc/translate/vsx-ops.c.inc b/target/ppc/translate/vsx-ops.c.inc index bff14bbece..b77324e0a8 100644 --- a/target/ppc/translate/vsx-ops.c.inc +++ b/target/ppc/translate/vsx-ops.c.inc @@ -165,13 +165,7 @@ GEN_XX3FORM(name, opc2, opc3 | 1, fl2) GEN_XX2FORM_DCMX(xvtstdcdp, 0x14, 0x1E, PPC2_ISA300), GEN_XX2FORM_DCMX(xvtstdcsp, 0x14, 0x1A, PPC2_ISA300), -GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX), -GEN_XX2FORM(xvnabsdp, 0x12, 0x1E, PPC2_VSX), -GEN_XX2FORM(xvnegdp, 0x12, 0x1F, PPC2_VSX), GEN_XX3FORM(xvcpsgndp, 0x00, 0x1E, PPC2_VSX), -GEN_XX2FORM(xvabssp, 0x12, 0x19, PPC2_VSX), -GEN_XX2FORM(xvnabssp, 0x12, 0x1A, PPC2_VSX), -GEN_XX2FORM(xvnegsp, 0x12, 0x1B, PPC2_VSX), GEN_XX3FORM(xvcpsgnsp, 0x00, 0x1A, PPC2_VSX), GEN_XX3FORM(xsadddp, 0x00, 0x04, PPC2_VSX),