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([149.14.240.163]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3502bbbbefdsm15897058f8f.94.2024.05.15.02.40.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 May 2024 02:40:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1715766053; x=1716370853; 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=ixJmGoyxJB9sbwoHJd6SpaODQZW3sNI1pPxi/MSBfJ0=; b=IIEHO7W2T5cnqyA2S7c3lylenjFSzbHqfbZErS1KxRcRg2B1IYwaBEfIgn9DcaFtH5 oF558IFFGOG1VCd7jJyz6BcIkWPgtMWDlkpwn9cmjaatFhYjb93aRrUaal3VbhJumE/J 1ZuRVzSjHxuvNHp0P4gpakW2UY3/kG6f8X766wSrmVjgN8Ewtg5Gz6ZBGppKWYEsaDF8 3T9P8Z8XjPcffTlwBdogBgkYv9OO1zHFRoKAO7SuwocL11XJG7S1Snkqm/0pWrRqK9iG yHuEgpyMZy3iXTIl0JMV23IO8r2/4yiNgsBqPELlcCE1R9vD5cz70ciUuknFtViiIZw5 zlRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715766053; x=1716370853; 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=ixJmGoyxJB9sbwoHJd6SpaODQZW3sNI1pPxi/MSBfJ0=; b=io1QG+IkqzOQe8Q/ZO4bRa9tzLWDsW+orpZyII0cK8107ro1hKYy3TbzByXFbRtraa IwDpVEXNxdGstCuuSK3uKzSLwcHZ/iEYrtXwBnU93SDpD/iG+3Yjbt+NdAm7hHbDwhNM RvR7uwzcR744LNHN69VfFeQi9r3h775C10zhkx7nZfrC54XaUjkxI2xzV29ztQbq0Ia4 Xxjc7HGjlz5G8RiX69gnmQRoA3sb9+v9Ji3oDagaV+KJb8oD07LE5dWr5ud7PUQe4Dh+ gYhpLzTM/c8OB958PZi1op2bISn74hHDZZZ7BS67bIldJ2CcbYapSPrTzeux259zGVJK VqLg== X-Gm-Message-State: AOJu0YxXdfr6nkaAD0yuu5cqgub7SgqTOtx9EPOfQLX45tjJgqHJH2jK aKzLsyVX0kJYm9DB0lxJ+yva0uLClRhIWO8x4fEmzEHEmXhZ+NxFvG/666YsnUbQsEOY78vyv0y sOJM= X-Google-Smtp-Source: AGHT+IFOPPCMNsGK/G+lrD7ksFCGeRN3DdA/aTZPOAKgBRinqIjCrb+Yng9itF5gSxTUCb2IqNAZiQ== X-Received: by 2002:adf:e851:0:b0:34d:9fc2:4a81 with SMTP id ffacd0b85a97d-3504a61c5c6mr10817628f8f.5.1715766053634; Wed, 15 May 2024 02:40:53 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Helge Deller Subject: [PULL 12/43] target/hppa: Add IASQ entries to DisasContext Date: Wed, 15 May 2024 11:40:12 +0200 Message-Id: <20240515094043.82850-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240515094043.82850-1-richard.henderson@linaro.org> References: <20240515094043.82850-1-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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42f; envelope-from=richard.henderson@linaro.org; helo=mail-wr1-x42f.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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1715766300514100011 Content-Type: text/plain; charset="utf-8" Add variable to track space changes to IAQ. So far, no such changes are introduced, but the new checks vs ctx->iasq_b may eliminate an unnecessary copy to cpu_iasq_f with e.g. BLR. Reviewed-by: Helge Deller Signed-off-by: Richard Henderson --- target/hppa/translate.c | 39 ++++++++++++++++++++++++++++++--------- 1 file changed, 30 insertions(+), 9 deletions(-) diff --git a/target/hppa/translate.c b/target/hppa/translate.c index b79c44bd49..b4e384baa3 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -50,6 +50,13 @@ typedef struct DisasContext { uint64_t iaoq_b; uint64_t iaoq_n; TCGv_i64 iaoq_n_var; + /* + * Null when IASQ_Back unchanged from IASQ_Front, + * or cpu_iasq_b, when IASQ_Back has been changed. + */ + TCGv_i64 iasq_b; + /* Null when IASQ_Next unchanged from IASQ_Back, or set by branch. */ + TCGv_i64 iasq_n; =20 DisasCond null_cond; TCGLabel *null_lab; @@ -3917,12 +3924,12 @@ static bool trans_be(DisasContext *ctx, arg_be *a) if (a->n && use_nullify_skip(ctx)) { install_iaq_entries(ctx, -1, tmp, -1, NULL); tcg_gen_mov_i64(cpu_iasq_f, new_spc); - tcg_gen_mov_i64(cpu_iasq_b, cpu_iasq_f); + tcg_gen_mov_i64(cpu_iasq_b, new_spc); nullify_set(ctx, 0); } else { install_iaq_entries(ctx, ctx->iaoq_b, cpu_iaoq_b, -1, tmp); - if (ctx->iaoq_b =3D=3D -1) { - tcg_gen_mov_i64(cpu_iasq_f, cpu_iasq_b); + if (ctx->iasq_b) { + tcg_gen_mov_i64(cpu_iasq_f, ctx->iasq_b); } tcg_gen_mov_i64(cpu_iasq_b, new_spc); nullify_set(ctx, a->n); @@ -4036,8 +4043,8 @@ static bool trans_bve(DisasContext *ctx, arg_bve *a) =20 install_link(ctx, a->l, false); install_iaq_entries(ctx, ctx->iaoq_b, cpu_iaoq_b, -1, dest); - if (ctx->iaoq_b =3D=3D -1) { - tcg_gen_mov_i64(cpu_iasq_f, cpu_iasq_b); + if (ctx->iasq_b) { + tcg_gen_mov_i64(cpu_iasq_f, ctx->iasq_b); } tcg_gen_mov_i64(cpu_iasq_b, space_select(ctx, 0, dest)); nullify_set(ctx, a->n); @@ -4618,6 +4625,7 @@ static void hppa_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cs) ctx->mmu_idx =3D MMU_USER_IDX; ctx->iaoq_f =3D ctx->base.pc_first | ctx->privilege; ctx->iaoq_b =3D ctx->base.tb->cs_base | ctx->privilege; + ctx->iasq_b =3D NULL; ctx->unalign =3D (ctx->tb_flags & TB_FLAG_UNALIGN ? MO_UNALN : MO_ALIG= N); #else ctx->privilege =3D (ctx->tb_flags >> TB_FLAG_PRIV_SHIFT) & 3; @@ -4632,6 +4640,7 @@ static void hppa_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cs) =20 ctx->iaoq_f =3D (ctx->base.pc_first & ~iasq_f) + ctx->privilege; ctx->iaoq_b =3D (diff ? ctx->iaoq_f + diff : -1); + ctx->iasq_b =3D (diff ? NULL : cpu_iasq_b); #endif =20 ctx->zero =3D tcg_constant_i64(0); @@ -4684,6 +4693,7 @@ static void hppa_tr_translate_insn(DisasContextBase *= dcbase, CPUState *cs) =20 /* Set up the IA queue for the next insn. This will be overwritten by a branch. */ + ctx->iasq_n =3D NULL; ctx->iaoq_n_var =3D NULL; ctx->iaoq_n =3D ctx->iaoq_b =3D=3D -1 ? -1 : ctx->iaoq_b + 4; =20 @@ -4706,7 +4716,7 @@ static void hppa_tr_translate_insn(DisasContextBase *= dcbase, CPUState *cs) return; } /* Note this also detects a priority change. */ - if (ctx->iaoq_b !=3D ctx->iaoq_f + 4) { + if (ctx->iaoq_b !=3D ctx->iaoq_f + 4 || ctx->iasq_b) { ctx->base.is_jmp =3D DISAS_IAQ_N_STALE; return; } @@ -4726,6 +4736,10 @@ static void hppa_tr_translate_insn(DisasContextBase = *dcbase, CPUState *cs) gva_offset_mask(ctx->tb_flags)); } } + if (ctx->iasq_n) { + tcg_gen_mov_i64(cpu_iasq_b, ctx->iasq_n); + ctx->iasq_b =3D cpu_iasq_b; + } } =20 static void hppa_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) @@ -4734,14 +4748,15 @@ static void hppa_tr_tb_stop(DisasContextBase *dcbas= e, CPUState *cs) DisasJumpType is_jmp =3D ctx->base.is_jmp; uint64_t fi, bi; TCGv_i64 fv, bv; - TCGv_i64 fs; + TCGv_i64 fs, bs; =20 /* 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; + fs =3D ctx->iasq_b; bi =3D ctx->iaoq_n; bv =3D ctx->iaoq_n_var; + bs =3D ctx->iasq_n; =20 switch (is_jmp) { case DISAS_NORETURN: @@ -4750,12 +4765,15 @@ static void hppa_tr_tb_stop(DisasContextBase *dcbas= e, CPUState *cs) /* The insn queue has not been advanced. */ bi =3D fi; bv =3D fv; + bs =3D fs; fi =3D ctx->iaoq_f; fv =3D NULL; fs =3D NULL; /* FALLTHRU */ case DISAS_IAQ_N_STALE: - if (use_goto_tb(ctx, fi, bi) + if (fs =3D=3D NULL + && bs =3D=3D NULL + && 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); @@ -4768,6 +4786,9 @@ static void hppa_tr_tb_stop(DisasContextBase *dcbase,= CPUState *cs) if (fs) { tcg_gen_mov_i64(cpu_iasq_f, fs); } + if (bs) { + tcg_gen_mov_i64(cpu_iasq_b, bs); + } nullify_save(ctx); if (is_jmp =3D=3D DISAS_IAQ_N_STALE_EXIT) { tcg_gen_exit_tb(NULL, 0); --=20 2.34.1