From patchwork Thu Jul 25 23:53:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicholas Piggin X-Patchwork-Id: 1965059 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=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=JyXB8SEa; 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 4WVScp6s1vz1ybY for ; Fri, 26 Jul 2024 10:02:50 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sX8Ls-00089s-0X; Thu, 25 Jul 2024 19:58:28 -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 1sX8Lj-0007AX-Gr; Thu, 25 Jul 2024 19:58:20 -0400 Received: from mail-pg1-x52c.google.com ([2607:f8b0:4864:20::52c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sX8Lh-0001X7-Oj; Thu, 25 Jul 2024 19:58:19 -0400 Received: by mail-pg1-x52c.google.com with SMTP id 41be03b00d2f7-7a0c6ab3354so359539a12.0; Thu, 25 Jul 2024 16:58:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721951896; x=1722556696; 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=9X3FsJ02xLaACuboI7a4PZGJHAR59UJfBjdSV3wDRKg=; b=JyXB8SEa19u03TK+wKkoldLEA4xh2Ncl0JvyFjMs2zOejedYD46FjgNbMAx/AYa5Oz tmTZVr6+XuOFgGZcPdnY7tApeYzOy0fKn5sbTnSYGV+Hp5nEV5Moy3Ct/tY797t5BCcx 1fW2QBzNPwjr8S3iJWOXxSrSPRmXOSu5iQTvwtLXil7fXAR7MBmma4VSvV5TKuKAHlh9 SmG2LXbjRIQbQhZ1vHwXxkfu1+aVCgumGSiGxulsvczvpyrPwYzYNnGVluryMN5/1VOG kLEZO3MmtZX6WafH0cwPTKR29CTGfAHmmMdFQmyJoRDluu1VJvMKzL8m/3NpO7Msbxqm ywEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721951896; x=1722556696; 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=9X3FsJ02xLaACuboI7a4PZGJHAR59UJfBjdSV3wDRKg=; b=iEtpx2K+VUQ/FdclTVuY+tG5lBVBk/xrT64KF8ZpFkk9MEEnQNp6sh+WKw4rzfyIu1 ccnubheemjCsrqRLImiliIjSptNWhEtxfC6yIX2r7SshCuRLEZW3vyzfXWcSGStny3Io uoQXKeQKs0eeJVSxVxdwl4qFZsM0i3EEUwlVpK8K8HtNMBrN7ZYJ/9V9C5Q0HRQZ69TB xQx738NjII3+lEvbp9FZzGQ+qf1uvciTuBLF98I0Im3GVX0hwnl7SwH9s4JVz0yOeNbI Z7YY0FYXDHGUaL2wFSZaGwfnItMlm5WrP3oAoVWcBR9muRWOZpELG/mpMKmgFExOzD36 sEXA== X-Forwarded-Encrypted: i=1; AJvYcCVK8TVkujspaeytQ4lmqrH+26XrDG4ZbVdJ86OIFV/S1NT7T6peeuK/Of/uI5f/nG2yZ/Adj2gGzlvvcv0Q5swl84b1 X-Gm-Message-State: AOJu0YwKGzi/NkapHuMz4YaGo1MfGWfuvj8UCKr2yrGITg+vIFi95DfL Lt0srtbkCwz8dMyw4ux0DxF3ftltpZ6K4wWPtXMUjXkHM5F1j6f9AOjlwA== X-Google-Smtp-Source: AGHT+IGPu28tAwgrMZ/kCyoViW6sHBxl/1FAUzcco9OYlLSGRotlXXxH0+n/1Ft42SKoB1h3+iHGgQ== X-Received: by 2002:a17:90b:3a82:b0:2c9:be63:b641 with SMTP id 98e67ed59e1d1-2cf2ea1918fmr4273542a91.24.1721951895656; Thu, 25 Jul 2024 16:58:15 -0700 (PDT) Received: from wheely.local0.net ([203.220.44.216]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2cf28c7fef3sm2142060a91.16.2024.07.25.16.58.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jul 2024 16:58:15 -0700 (PDT) From: Nicholas Piggin To: qemu-devel@nongnu.org Cc: Nicholas Piggin , qemu-ppc@nongnu.org, Chinmay Rath , Richard Henderson Subject: [PULL 64/96] target/ppc : Update VSX storage access insns to use tcg_gen_qemu _ld/st_i128. Date: Fri, 26 Jul 2024 09:53:37 +1000 Message-ID: <20240725235410.451624-65-npiggin@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240725235410.451624-1-npiggin@gmail.com> References: <20240725235410.451624-1-npiggin@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::52c; envelope-from=npiggin@gmail.com; helo=mail-pg1-x52c.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, FREEMAIL_FROM=0.001, 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 From: Chinmay Rath Updated many VSX instructions to use tcg_gen_qemu_ld/st_i128, instead of using tcg_gen_qemu_ld/st_i64 consecutively. Introduced functions {get,set}_vsr_full to facilitate the above & for future use. Reviewed-by: Richard Henderson Suggested-by: Richard Henderson Signed-off-by: Chinmay Rath Signed-off-by: Nicholas Piggin --- target/ppc/translate/vsx-impl.c.inc | 74 +++++++++++++---------------- 1 file changed, 33 insertions(+), 41 deletions(-) diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index 26ebf3fedf..40a87ddc4a 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -10,6 +10,16 @@ static inline void set_cpu_vsr(int n, TCGv_i64 src, bool high) tcg_gen_st_i64(src, tcg_env, vsr64_offset(n, high)); } +static inline void get_vsr_full(TCGv_i128 dst, int reg) +{ + tcg_gen_ld_i128(dst, tcg_env, vsr_full_offset(reg)); +} + +static inline void set_vsr_full(int reg, TCGv_i128 src) +{ + tcg_gen_st_i128(src, tcg_env, vsr_full_offset(reg)); +} + static inline TCGv_ptr gen_vsr_ptr(int reg) { TCGv_ptr r = tcg_temp_new_ptr(); @@ -196,20 +206,17 @@ static bool trans_LXVH8X(DisasContext *ctx, arg_LXVH8X *a) static bool trans_LXVB16X(DisasContext *ctx, arg_LXVB16X *a) { TCGv EA; - TCGv_i64 xth, xtl; + TCGv_i128 data; REQUIRE_VSX(ctx); REQUIRE_INSNS_FLAGS2(ctx, ISA300); - xth = tcg_temp_new_i64(); - xtl = tcg_temp_new_i64(); + data = tcg_temp_new_i128(); gen_set_access_type(ctx, ACCESS_INT); EA = do_ea_calc(ctx, a->ra, cpu_gpr[a->rb]); - tcg_gen_qemu_ld_i64(xth, EA, ctx->mem_idx, MO_BEUQ); - tcg_gen_addi_tl(EA, EA, 8); - tcg_gen_qemu_ld_i64(xtl, EA, ctx->mem_idx, MO_BEUQ); - set_cpu_vsr(a->rt, xth, true); - set_cpu_vsr(a->rt, xtl, false); + tcg_gen_qemu_ld_i128(data, EA, ctx->mem_idx, + MO_BE | MO_128 | MO_ATOM_IFALIGN_PAIR); + set_vsr_full(a->rt, data); return true; } @@ -385,20 +392,17 @@ static bool trans_STXVH8X(DisasContext *ctx, arg_STXVH8X *a) static bool trans_STXVB16X(DisasContext *ctx, arg_STXVB16X *a) { TCGv EA; - TCGv_i64 xsh, xsl; + TCGv_i128 data; REQUIRE_VSX(ctx); REQUIRE_INSNS_FLAGS2(ctx, ISA300); - xsh = tcg_temp_new_i64(); - xsl = tcg_temp_new_i64(); - get_cpu_vsr(xsh, a->rt, true); - get_cpu_vsr(xsl, a->rt, false); + data = tcg_temp_new_i128(); gen_set_access_type(ctx, ACCESS_INT); EA = do_ea_calc(ctx, a->ra, cpu_gpr[a->rb]); - tcg_gen_qemu_st_i64(xsh, EA, ctx->mem_idx, MO_BEUQ); - tcg_gen_addi_tl(EA, EA, 8); - tcg_gen_qemu_st_i64(xsl, EA, ctx->mem_idx, MO_BEUQ); + get_vsr_full(data, a->rt); + tcg_gen_qemu_st_i128(data, EA, ctx->mem_idx, + MO_BE | MO_128 | MO_ATOM_IFALIGN_PAIR); return true; } @@ -2175,13 +2179,13 @@ static bool do_lstxv(DisasContext *ctx, int ra, TCGv displ, int rt, bool store, bool paired) { TCGv ea; - TCGv_i64 xt; + TCGv_i128 data; MemOp mop; int rt1, rt2; - xt = tcg_temp_new_i64(); + data = tcg_temp_new_i128(); - mop = DEF_MEMOP(MO_UQ); + mop = DEF_MEMOP(MO_128 | MO_ATOM_IFALIGN_PAIR); gen_set_access_type(ctx, ACCESS_INT); ea = do_ea_calc(ctx, ra, displ); @@ -2195,32 +2199,20 @@ static bool do_lstxv(DisasContext *ctx, int ra, TCGv displ, } if (store) { - get_cpu_vsr(xt, rt1, !ctx->le_mode); - tcg_gen_qemu_st_i64(xt, ea, ctx->mem_idx, mop); - gen_addr_add(ctx, ea, ea, 8); - get_cpu_vsr(xt, rt1, ctx->le_mode); - tcg_gen_qemu_st_i64(xt, ea, ctx->mem_idx, mop); + get_vsr_full(data, rt1); + tcg_gen_qemu_st_i128(data, ea, ctx->mem_idx, mop); if (paired) { - gen_addr_add(ctx, ea, ea, 8); - get_cpu_vsr(xt, rt2, !ctx->le_mode); - tcg_gen_qemu_st_i64(xt, ea, ctx->mem_idx, mop); - gen_addr_add(ctx, ea, ea, 8); - get_cpu_vsr(xt, rt2, ctx->le_mode); - tcg_gen_qemu_st_i64(xt, ea, ctx->mem_idx, mop); + gen_addr_add(ctx, ea, ea, 16); + get_vsr_full(data, rt2); + tcg_gen_qemu_st_i128(data, ea, ctx->mem_idx, mop); } } else { - tcg_gen_qemu_ld_i64(xt, ea, ctx->mem_idx, mop); - set_cpu_vsr(rt1, xt, !ctx->le_mode); - gen_addr_add(ctx, ea, ea, 8); - tcg_gen_qemu_ld_i64(xt, ea, ctx->mem_idx, mop); - set_cpu_vsr(rt1, xt, ctx->le_mode); + tcg_gen_qemu_ld_i128(data, ea, ctx->mem_idx, mop); + set_vsr_full(rt1, data); if (paired) { - gen_addr_add(ctx, ea, ea, 8); - tcg_gen_qemu_ld_i64(xt, ea, ctx->mem_idx, mop); - set_cpu_vsr(rt2, xt, !ctx->le_mode); - gen_addr_add(ctx, ea, ea, 8); - tcg_gen_qemu_ld_i64(xt, ea, ctx->mem_idx, mop); - set_cpu_vsr(rt2, xt, ctx->le_mode); + gen_addr_add(ctx, ea, ea, 16); + tcg_gen_qemu_ld_i128(data, ea, ctx->mem_idx, mop); + set_vsr_full(rt2, data); } } return true;