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([156.19.246.23]) by smtp.gmail.com with ESMTPSA id t6-20020a170902e84600b001e604438791sm12465715plg.156.2024.04.24.17.00.36 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Apr 2024 17:00:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1714003237; x=1714608037; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=tPC7wSbqYey/nztPRCYsOGiA7aZBGXEi4HjvhSZ7eFQ=; b=n3fwOiNz4XgKciSYQAQW9/3EZbXn6x6KdyS+1JDM8a2y9ALtjUEymAlvPzF2lIUSiv k9qYvtB8bo2E3k3mDdWpvXNnL4mtuCgrqMqpGmWilNlMD0GJgz+jTJjpREqE7JeISzil OR+fabsBId6GRyWaUEyCiJCJDwhx/k6zDsgi5GEhK05aTX2gszbsi9/LC45xmxhu8iFn 5AqjjE6eYG1cGQtX4Zt1BMQFo4RI9UqCVxS0QnkRqZw9eXXUfa0h4FMwAA7/aN6ywwCe p3GT9rWkXO9lnkPHImxJh4QKkeT5geTpER/Bd+v4At5CRJyk1eNeX8pdg0mwvSwpVVVB zFBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714003237; x=1714608037; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tPC7wSbqYey/nztPRCYsOGiA7aZBGXEi4HjvhSZ7eFQ=; b=sg2MMKs79E9trrm6709JW94HA8GOGCRj2hMEpoF5qQQwPfgUmviaCQg6qxAcWuA+YS 2s3cYOx4G4OqkNZOy2K/9aLz2bXDgZbhrjXVvn50NYiX78lQN9euS8a4amMSM2MMDLnU IZsvUXPgfgJyEOPBiNyytB0vdMUnMhurLEyN1Ol5AEAVcdyh/shGWgBuY5vKUx6TOumo 26kwwZum2FYohsNX0vhlXcR4gtZkX9Ya6JGBq/oG2MJfUiVGzhfl2FvZvHiJRdMDdt+e VdCp1mDB4fms8S2Pbe7oy8AfEoQdpbYR3hAdIjVtK+a57CB3kv3ZDUQ6SOXVoepumiAJ XXHg== X-Gm-Message-State: AOJu0Yz010BjfwxwVEhkvFtVXvMtNcduOfRuK4W3KTMVMkORYkcUgdJz E+XreWDOrWEfV9GjjMCgEWs9zLp4T9rZNqMN+Sdhn8f4haRverSKeoD5n/iHC2XxPc7EMLNnnS+ z X-Google-Smtp-Source: AGHT+IHBAwF23KEVnUwUWYD4wJSjMJ5PmFPtFe/Pxiu4V38FhgRWIo32IXz2/+BuKLG5fU8B4FzhMA== X-Received: by 2002:a17:90b:1e0e:b0:2a2:ea20:2074 with SMTP id pg14-20020a17090b1e0e00b002a2ea202074mr4537364pjb.23.1714003236750; Wed, 24 Apr 2024 17:00:36 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 11/45] target/hppa: Simplify TB end Date: Wed, 24 Apr 2024 16:59:49 -0700 Message-Id: <20240425000023.1002026-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240425000023.1002026-1-richard.henderson@linaro.org> References: <20240425000023.1002026-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1714003729931100008 Content-Type: text/plain; charset="utf-8" Minimize the amount of code in hppa_tr_translate_insn advancing the insn queue for the next insn. Move the goto_tb path to hppa_tr_tb_stop. Signed-off-by: Richard Henderson --- target/hppa/translate.c | 109 +++++++++++++++++++++------------------- 1 file changed, 57 insertions(+), 52 deletions(-) diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 6a73b1d409..138250b550 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -4698,54 +4698,31 @@ static void hppa_tr_translate_insn(DisasContextBase= *dcbase, CPUState *cs) } } =20 - /* Advance the insn queue. Note that this check also detects - a priority change within the instruction queue. */ - if (ret =3D=3D DISAS_NEXT && ctx->iaoq_b !=3D ctx->iaoq_f + 4) { - if (use_goto_tb(ctx, ctx->iaoq_b, ctx->iaoq_n) - && (ctx->null_cond.c =3D=3D TCG_COND_NEVER - || ctx->null_cond.c =3D=3D TCG_COND_ALWAYS)) { - nullify_set(ctx, ctx->null_cond.c =3D=3D TCG_COND_ALWAYS); - gen_goto_tb(ctx, 0, ctx->iaoq_b, ctx->iaoq_n); - ctx->base.is_jmp =3D ret =3D DISAS_NORETURN; - } else { - ctx->base.is_jmp =3D ret =3D DISAS_IAQ_N_STALE; - } + /* If the TranslationBlock must end, do so. */ + ctx->base.pc_next +=3D 4; + if (ret !=3D DISAS_NEXT) { + return; } + /* Note this also detects a priority change. */ + if (ctx->iaoq_b !=3D ctx->iaoq_f + 4) { + ctx->base.is_jmp =3D DISAS_IAQ_N_STALE; + return; + } + + /* + * Advance the insn queue. + * The only exit now is DISAS_TOO_MANY from the translator loop. + */ ctx->iaoq_f =3D ctx->iaoq_b; ctx->iaoq_b =3D ctx->iaoq_n; - ctx->base.pc_next +=3D 4; - - switch (ret) { - case DISAS_NORETURN: - case DISAS_IAQ_N_UPDATED: - break; - - case DISAS_NEXT: - case DISAS_IAQ_N_STALE: - case DISAS_IAQ_N_STALE_EXIT: - if (ctx->iaoq_f =3D=3D -1) { - install_iaq_entries(ctx, -1, cpu_iaoq_b, - ctx->iaoq_n, ctx->iaoq_n_var); -#ifndef CONFIG_USER_ONLY - tcg_gen_mov_i64(cpu_iasq_f, cpu_iasq_b); -#endif - nullify_save(ctx); - ctx->base.is_jmp =3D (ret =3D=3D DISAS_IAQ_N_STALE_EXIT - ? DISAS_EXIT - : DISAS_IAQ_N_UPDATED); - } else if (ctx->iaoq_b =3D=3D -1) { - if (ctx->iaoq_n_var) { - copy_iaoq_entry(ctx, cpu_iaoq_b, -1, ctx->iaoq_n_var); - } else { - tcg_gen_addi_i64(cpu_iaoq_b, cpu_iaoq_b, 4); - tcg_gen_andi_i64(cpu_iaoq_b, cpu_iaoq_b, - gva_offset_mask(ctx->tb_flags)); - } + if (ctx->iaoq_b =3D=3D -1) { + if (ctx->iaoq_n_var) { + copy_iaoq_entry(ctx, cpu_iaoq_b, -1, ctx->iaoq_n_var); + } else { + tcg_gen_addi_i64(cpu_iaoq_b, cpu_iaoq_b, 4); + tcg_gen_andi_i64(cpu_iaoq_b, cpu_iaoq_b, + gva_offset_mask(ctx->tb_flags)); } - break; - - default: - g_assert_not_reached(); } } =20 @@ -4753,23 +4730,51 @@ static void hppa_tr_tb_stop(DisasContextBase *dcbas= e, CPUState *cs) { DisasContext *ctx =3D container_of(dcbase, DisasContext, base); DisasJumpType is_jmp =3D ctx->base.is_jmp; + uint64_t fi, bi; + TCGv_i64 fv, bv; + TCGv_i64 fs; + + /* Assume the insn queue has not been advanced. */ + fi =3D ctx->iaoq_b; + fv =3D cpu_iaoq_b; + fs =3D fi =3D=3D -1 ? cpu_iasq_b : NULL; + bi =3D ctx->iaoq_n; + bv =3D ctx->iaoq_n_var; =20 switch (is_jmp) { case DISAS_NORETURN: break; case DISAS_TOO_MANY: - case DISAS_IAQ_N_STALE: - case DISAS_IAQ_N_STALE_EXIT: - install_iaq_entries(ctx, ctx->iaoq_f, cpu_iaoq_f, - ctx->iaoq_b, cpu_iaoq_b); - nullify_save(ctx); + /* The insn queue has not been advanced. */ + bi =3D fi; + bv =3D fv; + fi =3D ctx->iaoq_f; + fv =3D NULL; + fs =3D NULL; /* FALLTHRU */ - case DISAS_IAQ_N_UPDATED: - if (is_jmp !=3D DISAS_IAQ_N_STALE_EXIT) { - tcg_gen_lookup_and_goto_ptr(); + case DISAS_IAQ_N_STALE: + if (use_goto_tb(ctx, fi, bi) + && (ctx->null_cond.c =3D=3D TCG_COND_NEVER + || ctx->null_cond.c =3D=3D TCG_COND_ALWAYS)) { + nullify_set(ctx, ctx->null_cond.c =3D=3D TCG_COND_ALWAYS); + gen_goto_tb(ctx, 0, fi, bi); break; } /* FALLTHRU */ + case DISAS_IAQ_N_STALE_EXIT: + install_iaq_entries(ctx, fi, fv, bi, bv); + if (fs) { + tcg_gen_mov_i64(cpu_iasq_f, fs); + } + nullify_save(ctx); + if (is_jmp =3D=3D DISAS_IAQ_N_STALE_EXIT) { + tcg_gen_exit_tb(NULL, 0); + break; + } + /* FALLTHRU */ + case DISAS_IAQ_N_UPDATED: + tcg_gen_lookup_and_goto_ptr(); + break; case DISAS_EXIT: tcg_gen_exit_tb(NULL, 0); break; --=20 2.34.1