From patchwork Fri Feb 25 21:09:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matheus K. Ferst" X-Patchwork-Id: 12761056 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 1F658C433F5 for ; Fri, 25 Feb 2022 22:59:06 +0000 (UTC) Received: from localhost ([::1]:37902 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nNjYH-000069-7K for qemu-devel@archiver.kernel.org; Fri, 25 Feb 2022 17:59:05 -0500 Received: from eggs.gnu.org ([209.51.188.92]:35512) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nNhxL-0000AY-Uh; Fri, 25 Feb 2022 16:16:51 -0500 Received: from [187.72.171.209] (port=58124 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nNhxJ-0004qx-BH; Fri, 25 Feb 2022 16:16:51 -0500 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Fri, 25 Feb 2022 18:09:58 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id D66088006BB; Fri, 25 Feb 2022 18:09:57 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v5 37/49] target/ppc: implement xs[n]maddqp[o]/xs[n]msubqp[o] Date: Fri, 25 Feb 2022 18:09:24 -0300 Message-Id: <20220225210936.1749575-38-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220225210936.1749575-1-matheus.ferst@eldorado.org.br> References: <20220225210936.1749575-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 25 Feb 2022 21:09:58.0248 (UTC) FILETIME=[0B666E80:01D82A8C] X-Host-Lookup-Failed: Reverse DNS lookup failed for 187.72.171.209 (failed) Received-SPF: pass client-ip=187.72.171.209; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -4 X-Spam_score: -0.5 X-Spam_bar: / X-Spam_report: (-0.5 / 5.0 requ) BAYES_00=-1.9, PDS_HP_HELO_NORDNS=0.659, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Cc: danielhb413@gmail.com, richard.henderson@linaro.org, groug@kaod.org, clg@kaod.org, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Matheus Ferst Implement the following PowerISA v3.0 instuctions: xsmaddqp[o]: VSX Scalar Multiply-Add Quad-Precision [using round to Odd] xsmsubqp[o]: VSX Scalar Multiply-Subtract Quad-Precision [using round to Odd] xsnmaddqp[o]: VSX Scalar Negative Multiply-Add Quad-Precision [using round to Odd] xsnmsubqp[o]: VSX Scalar Negative Multiply-Subtract Quad-Precision [using round to Odd] Reviewed-by: Richard Henderson Signed-off-by: Matheus Ferst --- target/ppc/fpu_helper.c | 42 +++++++++++++++++++++++++++++ target/ppc/helper.h | 9 +++++++ target/ppc/insn32.decode | 4 +++ target/ppc/translate/vsx-impl.c.inc | 25 +++++++++++++++++ 4 files changed, 80 insertions(+) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index c8797d8053..98e9576608 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2222,6 +2222,48 @@ VSX_MADD(xvmsubsp, 4, float32, VsrW(i), MSUB_FLGS, 0, 0) VSX_MADD(xvnmaddsp, 4, float32, VsrW(i), NMADD_FLGS, 0, 0) VSX_MADD(xvnmsubsp, 4, float32, VsrW(i), NMSUB_FLGS, 0, 0) +/* + * VSX_MADDQ - VSX floating point quad-precision muliply/add + * op - instruction mnemonic + * maddflgs - flags for the float*muladd routine that control the + * various forms (madd, msub, nmadd, nmsub) + * ro - round to odd + */ +#define VSX_MADDQ(op, maddflgs, ro) \ +void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *s1, ppc_vsr_t *s2,\ + ppc_vsr_t *s3) \ +{ \ + ppc_vsr_t t = *xt; \ + \ + helper_reset_fpstatus(env); \ + \ + float_status tstat = env->fp_status; \ + set_float_exception_flags(0, &tstat); \ + if (ro) { \ + tstat.float_rounding_mode = float_round_to_odd; \ + } \ + t.f128 = float128_muladd(s1->f128, s3->f128, s2->f128, maddflgs, &tstat); \ + env->fp_status.float_exception_flags |= tstat.float_exception_flags; \ + \ + if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \ + float_invalid_op_madd(env, tstat.float_exception_flags, \ + false, GETPC()); \ + } \ + \ + helper_compute_fprf_float128(env, t.f128); \ + *xt = t; \ + do_float_check_status(env, GETPC()); \ +} + +VSX_MADDQ(XSMADDQP, MADD_FLGS, 0) +VSX_MADDQ(XSMADDQPO, MADD_FLGS, 1) +VSX_MADDQ(XSMSUBQP, MSUB_FLGS, 0) +VSX_MADDQ(XSMSUBQPO, MSUB_FLGS, 1) +VSX_MADDQ(XSNMADDQP, NMADD_FLGS, 0) +VSX_MADDQ(XSNMADDQPO, NMADD_FLGS, 1) +VSX_MADDQ(XSNMSUBQP, NMSUB_FLGS, 0) +VSX_MADDQ(XSNMSUBQPO, NMSUB_FLGS, 0) + /* * VSX_SCALAR_CMP_DP - VSX scalar floating point compare double precision * op - instruction mnemonic diff --git a/target/ppc/helper.h b/target/ppc/helper.h index fff6041a7b..412b034496 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -421,6 +421,15 @@ DEF_HELPER_5(XSMSUBSP, void, env, vsr, vsr, vsr, vsr) DEF_HELPER_5(XSNMADDSP, void, env, vsr, vsr, vsr, vsr) DEF_HELPER_5(XSNMSUBSP, void, env, vsr, vsr, vsr, vsr) +DEF_HELPER_5(XSMADDQP, void, env, vsr, vsr, vsr, vsr) +DEF_HELPER_5(XSMADDQPO, void, env, vsr, vsr, vsr, vsr) +DEF_HELPER_5(XSMSUBQP, void, env, vsr, vsr, vsr, vsr) +DEF_HELPER_5(XSMSUBQPO, void, env, vsr, vsr, vsr, vsr) +DEF_HELPER_5(XSNMADDQP, void, env, vsr, vsr, vsr, vsr) +DEF_HELPER_5(XSNMADDQPO, void, env, vsr, vsr, vsr, vsr) +DEF_HELPER_5(XSNMSUBQP, void, env, vsr, vsr, vsr, vsr) +DEF_HELPER_5(XSNMSUBQPO, void, env, vsr, vsr, vsr, vsr) + DEF_HELPER_4(xvadddp, void, env, vsr, vsr, vsr) DEF_HELPER_4(xvsubdp, void, env, vsr, vsr, vsr) DEF_HELPER_4(xvmuldp, void, env, vsr, vsr, vsr) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index ed24b39e5a..c28cc13325 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -611,21 +611,25 @@ XSMADDADP 111100 ..... ..... ..... 00100001 . . . @XX3 XSMADDMDP 111100 ..... ..... ..... 00101001 . . . @XX3 XSMADDASP 111100 ..... ..... ..... 00000001 . . . @XX3 XSMADDMSP 111100 ..... ..... ..... 00001001 . . . @XX3 +XSMADDQP 111111 ..... ..... ..... 0110000100 . @X_rc XSMSUBADP 111100 ..... ..... ..... 00110001 . . . @XX3 XSMSUBMDP 111100 ..... ..... ..... 00111001 . . . @XX3 XSMSUBASP 111100 ..... ..... ..... 00010001 . . . @XX3 XSMSUBMSP 111100 ..... ..... ..... 00011001 . . . @XX3 +XSMSUBQP 111111 ..... ..... ..... 0110100100 . @X_rc XSNMADDASP 111100 ..... ..... ..... 10000001 . . . @XX3 XSNMADDMSP 111100 ..... ..... ..... 10001001 . . . @XX3 XSNMADDADP 111100 ..... ..... ..... 10100001 . . . @XX3 XSNMADDMDP 111100 ..... ..... ..... 10101001 . . . @XX3 +XSNMADDQP 111111 ..... ..... ..... 0111000100 . @X_rc XSNMSUBASP 111100 ..... ..... ..... 10010001 . . . @XX3 XSNMSUBMSP 111100 ..... ..... ..... 10011001 . . . @XX3 XSNMSUBADP 111100 ..... ..... ..... 10110001 . . . @XX3 XSNMSUBMDP 111100 ..... ..... ..... 10111001 . . . @XX3 +XSNMSUBQP 111111 ..... ..... ..... 0111100100 . @X_rc ## VSX splat instruction diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index c6313b8f56..292a14f5aa 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -1347,6 +1347,31 @@ TRANS_FLAGS2(VSX207, XSNMADDMSP, do_xsmadd_XX3, false, gen_helper_XSNMADDSP) TRANS_FLAGS2(VSX207, XSNMSUBASP, do_xsmadd_XX3, true, gen_helper_XSNMSUBSP) TRANS_FLAGS2(VSX207, XSNMSUBMSP, do_xsmadd_XX3, false, gen_helper_XSNMSUBSP) +static bool do_xsmadd_X(DisasContext *ctx, arg_X_rc *a, + void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr), + void (*gen_helper_ro)(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr)) +{ + int vrt, vra, vrb; + + REQUIRE_INSNS_FLAGS2(ctx, ISA300); + REQUIRE_VSX(ctx); + + vrt = a->rt + 32; + vra = a->ra + 32; + vrb = a->rb + 32; + + if (a->rc) { + return do_xsmadd(ctx, vrt, vra, vrt, vrb, gen_helper_ro); + } + + return do_xsmadd(ctx, vrt, vra, vrt, vrb, gen_helper); +} + +TRANS(XSMADDQP, do_xsmadd_X, gen_helper_XSMADDQP, gen_helper_XSMADDQPO) +TRANS(XSMSUBQP, do_xsmadd_X, gen_helper_XSMSUBQP, gen_helper_XSMSUBQPO) +TRANS(XSNMADDQP, do_xsmadd_X, gen_helper_XSNMADDQP, gen_helper_XSNMADDQPO) +TRANS(XSNMSUBQP, do_xsmadd_X, gen_helper_XSNMSUBQP, gen_helper_XSNMSUBQPO) + #define GEN_VSX_HELPER_VSX_MADD(name, op1, aop, mop, inval, type) \ static void gen_##name(DisasContext *ctx) \ { \