From patchwork Sat Oct 21 05:31:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 1852939 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=Pxpit+E6; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SC9TH0S4Bz202k for ; Sat, 21 Oct 2023 16:47:31 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qu4hx-0007rt-4k; Sat, 21 Oct 2023 01:39:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qu4hg-0007Ab-Fl for qemu-devel@nongnu.org; Sat, 21 Oct 2023 01:39:17 -0400 Received: from mail-pg1-x532.google.com ([2607:f8b0:4864:20::532]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qu4he-0001YK-DV for qemu-devel@nongnu.org; Sat, 21 Oct 2023 01:39:16 -0400 Received: by mail-pg1-x532.google.com with SMTP id 41be03b00d2f7-517ab9a4a13so1189817a12.1 for ; Fri, 20 Oct 2023 22:39:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1697866753; x=1698471553; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=5gnQAbUS7dR0ErRgJtHGVSnApIFEy5KBMSVT1gkEGbY=; b=Pxpit+E6/wWD3wuj69O0Ep0a0s9paFEvpJkNhyslTd6xTkYkiQWfnojtHEcnk6oNhG J7BJgYqmthr++JXRa388wtx7VuExkoEi8mm5xtW4j54lBnBfxwCrq0FnjR5QqcfSVudj t49mm94Z3uDo74HdkZaKxT7iQo4bk/oK0fM+Z2C51hbwnJI24qT8ZI2/yo/x2K1QP0LX Q6RJRNVZqkVwmJCV+/oW9PhiLPrX9aYdA5VxAniyFazL7Nm8PNWvCMzNWLFx3MDu/dN8 5wA+zAbrYy4J2naxXWeZDbE8YFsoeEyl8kZ2ev5Ru6S4WwROhMpm6VxkeBcHsgHZeoS/ R4dw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697866753; x=1698471553; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=5gnQAbUS7dR0ErRgJtHGVSnApIFEy5KBMSVT1gkEGbY=; b=W4QuQAnHrqRAIFzLiVza3iqi3eWpvGqOvZYSrEObfYcJ3Tp6fOIkAALo7/XGygbZAT B3wbW82MaVhDS6upBTrKITuZjSVDYadokQtX6pcRDqI8fXtDTwy8yXezRTE2kuP0+bvf s6whY1HWHYJZAzDT/Kp972sZIAo+nyRUNSRmqNwp438RxILFRQdCIl1qU7QNdsh4p5Ef jqnDsOWJ2S7IH2NzDwdm6Guzt6NIKr+YlWmTqgjXAyVIg+RvSvzr3VYPfshaoNGpYDUX JHa7iEoVbfM/KcWp/rtAlutpRZnTwldm3ndweQIMQcHHACraRIiRlIUe3LgbcwZes/Ga 32vw== X-Gm-Message-State: AOJu0YxIHUANby+B7+7GXd9/EolisfdnsGPEfcYDTZZXc8/98yfBxMA0 s08DSQg/rPbh1rLAubi1BNDCMvLAc+6//lyHylY= X-Google-Smtp-Source: AGHT+IETBNvj949a8qXw6cUC74Q0qzio104tlEHHAy4Qa58Kib7BXOVGu9XMtnH5kArew3zhhmLoMg== X-Received: by 2002:a17:902:f283:b0:1c5:ce3c:c399 with SMTP id k3-20020a170902f28300b001c5ce3cc399mr3824590plc.39.1697866753112; Fri, 20 Oct 2023 22:39:13 -0700 (PDT) Received: from stoup.. ([71.212.149.95]) by smtp.gmail.com with ESMTPSA id s15-20020a170902ea0f00b001c60a2b5c61sm2397298plg.134.2023.10.20.22.39.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Oct 2023 22:39:12 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: mark.cave-ayland@ilande.co.uk Subject: [PATCH v3 86/90] target/sparc: Convert FCMP, FCMPE to decodetree Date: Fri, 20 Oct 2023 22:31:54 -0700 Message-Id: <20231021053158.278135-87-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231021053158.278135-1-richard.henderson@linaro.org> References: <20231021053158.278135-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::532; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x532.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Richard Henderson --- target/sparc/insns.decode | 7 ++ target/sparc/translate.c | 145 +++++++++++++++++++++++--------------- 2 files changed, 96 insertions(+), 56 deletions(-) diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode index 646acad75d..1af7bb05b3 100644 --- a/target/sparc/insns.decode +++ b/target/sparc/insns.decode @@ -296,6 +296,13 @@ FMOVRs 10 rd:5 110101 rs1:5 0 cond:3 00101 rs2:5 FMOVRd 10 rd:5 110101 rs1:5 0 cond:3 00110 rs2:5 FMOVRq 10 rd:5 110101 rs1:5 0 cond:3 00111 rs2:5 +FCMPs 10 000 cc:2 110101 rs1:5 0 0101 0001 rs2:5 +FCMPd 10 000 cc:2 110101 rs1:5 0 0101 0010 rs2:5 +FCMPq 10 000 cc:2 110101 rs1:5 0 0101 0011 rs2:5 +FCMPEs 10 000 cc:2 110101 rs1:5 0 0101 0101 rs2:5 +FCMPEd 10 000 cc:2 110101 rs1:5 0 0101 0110 rs2:5 +FCMPEq 10 000 cc:2 110101 rs1:5 0 0101 0111 rs2:5 + { [ EDGE8cc 10 ..... 110110 ..... 0 0000 0000 ..... @r_r_r diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 4fdfa46f5f..5f706bce58 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -5243,6 +5243,82 @@ TRANS(FMOVsfcc, 64, do_fmovfcc, a, false, gen_fmovs) TRANS(FMOVdfcc, 64, do_fmovfcc, a, false, gen_fmovd) TRANS(FMOVqfcc, 64, do_fmovfcc, a, true, gen_fmovq) +static bool do_fcmps(DisasContext *dc, arg_FCMPs *a, bool e) +{ + TCGv_i32 src1, src2; + + if (avail_32(dc) && a->cc != 0) { + return false; + } + if (gen_trap_ifnofpu(dc)) { + return true; + } + + gen_op_clear_ieee_excp_and_FTT(); + src1 = gen_load_fpr_F(dc, a->rs1); + src2 = gen_load_fpr_F(dc, a->rs2); + if (e) { + gen_op_fcmpes(a->cc, src1, src2); + } else { + gen_op_fcmps(a->cc, src1, src2); + } + return advance_pc(dc); +} + +TRANS(FCMPs, ALL, do_fcmps, a, false) +TRANS(FCMPEs, ALL, do_fcmps, a, true) + +static bool do_fcmpd(DisasContext *dc, arg_FCMPd *a, bool e) +{ + TCGv_i64 src1, src2; + + if (avail_32(dc) && a->cc != 0) { + return false; + } + if (gen_trap_ifnofpu(dc)) { + return true; + } + + gen_op_clear_ieee_excp_and_FTT(); + src1 = gen_load_fpr_D(dc, a->rs1); + src2 = gen_load_fpr_D(dc, a->rs2); + if (e) { + gen_op_fcmped(a->cc, src1, src2); + } else { + gen_op_fcmpd(a->cc, src1, src2); + } + return advance_pc(dc); +} + +TRANS(FCMPd, ALL, do_fcmpd, a, false) +TRANS(FCMPEd, ALL, do_fcmpd, a, true) + +static bool do_fcmpq(DisasContext *dc, arg_FCMPq *a, bool e) +{ + if (avail_32(dc) && a->cc != 0) { + return false; + } + if (gen_trap_ifnofpu(dc)) { + return true; + } + if (gen_trap_float128(dc)) { + return true; + } + + gen_op_clear_ieee_excp_and_FTT(); + gen_op_load_fpr_QT0(QFPREG(a->rs1)); + gen_op_load_fpr_QT1(QFPREG(a->rs2)); + if (e) { + gen_op_fcmpeq(a->cc); + } else { + gen_op_fcmpq(a->cc); + } + return advance_pc(dc); +} + +TRANS(FCMPq, ALL, do_fcmpq, a, false) +TRANS(FCMPEq, ALL, do_fcmpq, a, true) + #define CHECK_IU_FEATURE(dc, FEATURE) \ if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \ goto illegal_insn; @@ -5253,15 +5329,7 @@ TRANS(FMOVqfcc, 64, do_fmovfcc, a, true, gen_fmovq) /* before an instruction, dc->pc must be static */ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) { - unsigned int opc, rs1, rs2, rd; - TCGv cpu_src1 __attribute__((unused)); - TCGv_i32 cpu_src1_32, cpu_src2_32; - TCGv_i64 cpu_src1_64, cpu_src2_64; - TCGv_i32 cpu_dst_32 __attribute__((unused)); - TCGv_i64 cpu_dst_64 __attribute__((unused)); - - opc = GET_FIELD(insn, 0, 1); - rd = GET_FIELD(insn, 2, 6); + unsigned int opc = GET_FIELD(insn, 0, 1); switch (opc) { case 0: @@ -5271,61 +5339,22 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) case 2: /* FPU & Logical Operations */ { unsigned int xop = GET_FIELD(insn, 7, 12); - TCGv cpu_dst __attribute__((unused)) = tcg_temp_new(); if (xop == 0x34) { /* FPU Operations */ goto illegal_insn; /* in decodetree */ } else if (xop == 0x35) { /* FPU Operations */ - if (gen_trap_ifnofpu(dc)) { - goto jmp_insn; - } - gen_op_clear_ieee_excp_and_FTT(); - rs1 = GET_FIELD(insn, 13, 17); - rs2 = GET_FIELD(insn, 27, 31); - xop = GET_FIELD(insn, 18, 26); - - switch (xop) { - case 0x51: /* fcmps, V9 %fcc */ - cpu_src1_32 = gen_load_fpr_F(dc, rs1); - cpu_src2_32 = gen_load_fpr_F(dc, rs2); - gen_op_fcmps(rd & 3, cpu_src1_32, cpu_src2_32); - break; - case 0x52: /* fcmpd, V9 %fcc */ - cpu_src1_64 = gen_load_fpr_D(dc, rs1); - cpu_src2_64 = gen_load_fpr_D(dc, rs2); - gen_op_fcmpd(rd & 3, cpu_src1_64, cpu_src2_64); - break; - case 0x53: /* fcmpq, V9 %fcc */ - CHECK_FPU_FEATURE(dc, FLOAT128); - gen_op_load_fpr_QT0(QFPREG(rs1)); - gen_op_load_fpr_QT1(QFPREG(rs2)); - gen_op_fcmpq(rd & 3); - break; - case 0x55: /* fcmpes, V9 %fcc */ - cpu_src1_32 = gen_load_fpr_F(dc, rs1); - cpu_src2_32 = gen_load_fpr_F(dc, rs2); - gen_op_fcmpes(rd & 3, cpu_src1_32, cpu_src2_32); - break; - case 0x56: /* fcmped, V9 %fcc */ - cpu_src1_64 = gen_load_fpr_D(dc, rs1); - cpu_src2_64 = gen_load_fpr_D(dc, rs2); - gen_op_fcmped(rd & 3, cpu_src1_64, cpu_src2_64); - break; - case 0x57: /* fcmpeq, V9 %fcc */ - CHECK_FPU_FEATURE(dc, FLOAT128); - gen_op_load_fpr_QT0(QFPREG(rs1)); - gen_op_load_fpr_QT1(QFPREG(rs2)); - gen_op_fcmpeq(rd & 3); - break; - default: - goto illegal_insn; - } + goto illegal_insn; /* in decodetree */ } else if (xop == 0x36) { #ifdef TARGET_SPARC64 /* VIS */ + TCGv_i64 cpu_src1_64, cpu_src2_64, cpu_dst_64; + TCGv_i32 cpu_dst_32; + TCGv cpu_dst = tcg_temp_new(); int opf = GET_FIELD_SP(insn, 5, 13); - rs1 = GET_FIELD(insn, 13, 17); - rs2 = GET_FIELD(insn, 27, 31); + int rs1 = GET_FIELD(insn, 13, 17); + int rs2 = GET_FIELD(insn, 27, 31); + int rd = GET_FIELD(insn, 2, 6); + if (gen_trap_ifnofpu(dc)) { goto jmp_insn; } @@ -5510,14 +5539,18 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) goto illegal_insn; /* in decodetree */ } advance_pc(dc); +#ifdef TARGET_SPARC64 jmp_insn: +#endif return; illegal_insn: gen_exception(dc, TT_ILL_INSN); return; +#ifdef TARGET_SPARC64 nfpu_insn: gen_op_fpexception_im(dc, FSR_FTT_UNIMPFPOP); return; +#endif } static void sparc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)