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([2602:47:d49d:ec01:c3f1:b74f:5edd:63af]) by smtp.gmail.com with ESMTPSA id 82-20020a621555000000b0053655af14easm5133124pfv.45.2022.08.22.16.33.34 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Aug 2022 16:33:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc; bh=StqOv8lM7EsBPsIyrOVv+mUXMeqQOE/sW2DxFQvSCeI=; b=aIzOR5Qb0GeCtNLKCDsWMRL65pD5AqF8HaC1xEONBY7HzMnV6PxDKIpTWhlB1+YvoU ZeImsWMQte2krtVF2kIn6PLDryxzQiw+qU7MxCw4NM9kiK5Q3HdFjqKNUTUx/npnuE3e h4L/BPErFVeDGd/HiX0Jl+yiIFBb/Wsj4n02DTBYjv5CE0VhqmsP7+AzAINBkYktgyse 8NOMQLh8ofTDoqVbvac8NtreY/sMuN/I8kK4V4kTrASpEquPw1ZhPg1/lNCbYf4ipSX8 QZhUwtwHmtU+UYnsmFD9r0YlrkohzHxBQ8KbIY2dSHhQOdp+6koXcS8oM34m1uuNJBKO Eygw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc; bh=StqOv8lM7EsBPsIyrOVv+mUXMeqQOE/sW2DxFQvSCeI=; b=BrW+Bddw/HjJc5i2wTPo08AtTTxdCnJTW9ipdHSbDb2ubrIZuwZ5fS2BrutF2M5fr2 tvUubK1JUNAET5mjUczjo3cFPkM8J4Nf/MJVkeXqlSEvZnX3+8HgFbnhjCMFScdqQiaT NcEBHUd0l5G9Qx02tBNshbL4cUWEwZXknPlKWYdr391p/cKtucl2LLF2qFiFg9MYxB0D Q8PzEG16T6kYqrxK3RRn3jzGv+rOI1tgWM57+CJX3h9IgqobgK9tNeSST3KEecS7Ooqi QDHPFwCS+NdZzKkQSvDPk15jvRcXdzr06mdxycYDLMiU3+AozAxKftK8wEN22TWCDS/v vYVA== X-Gm-Message-State: ACgBeo1Y0WeqAqM1OfQZPNl213nwD0rqxbSLWlpP7+nlJRwZbCWjghmz xXBwReg/Fn9iWWfid4OkQXrfOxBZIYOwxw== X-Google-Smtp-Source: AA6agR7PaMHlyiORxL6zfss6OQPfIEfTqsOnNeEKsJ4oxxr6T9bE9AUDJiHa7J4NTUjIPT1oTTH1+g== X-Received: by 2002:a05:6a00:c96:b0:52e:979c:dd63 with SMTP id a22-20020a056a000c9600b0052e979cdd63mr23123909pfv.50.1661211215360; Mon, 22 Aug 2022 16:33:35 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 12/22] target/i386: Introduce DISAS_JUMP Date: Mon, 22 Aug 2022 16:33:08 -0700 Message-Id: <20220822233318.1728621-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220822233318.1728621-1-richard.henderson@linaro.org> References: <20220822233318.1728621-1-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::52c; envelope-from=richard.henderson@linaro.org; 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1661213019024100001 Content-Type: text/plain; charset="utf-8" Drop the unused dest argument to gen_jr(). Remove most of the calls to gen_jr, and use DISAS_JUMP. Remove some unused loads of eip for lcall and ljmp. Signed-off-by: Richard Henderson --- target/i386/tcg/translate.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 38f4589fd2..367a7a335a 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -135,6 +135,7 @@ typedef struct DisasContext { #define DISAS_EOB_ONLY DISAS_TARGET_0 #define DISAS_EOB_NEXT DISAS_TARGET_1 #define DISAS_EOB_INHIBIT_IRQ DISAS_TARGET_2 +#define DISAS_JUMP DISAS_TARGET_3 =20 /* The environment in which user-only runs is constrained. */ #ifdef CONFIG_USER_ONLY @@ -222,7 +223,7 @@ STUB_HELPER(wrmsr, TCGv_env env) #endif =20 static void gen_eob(DisasContext *s); -static void gen_jr(DisasContext *s, TCGv dest); +static void gen_jr(DisasContext *s); static void gen_jmp(DisasContext *s, target_ulong eip); static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num); static void gen_op(DisasContext *s1, int op, MemOp ot, int d); @@ -2360,7 +2361,7 @@ static void gen_goto_tb(DisasContext *s, int tb_num, = target_ulong eip) } else { /* jump to another page */ gen_jmp_im(s, eip); - gen_jr(s, s->tmp0); + gen_jr(s); } } =20 @@ -2729,7 +2730,7 @@ static void gen_eob(DisasContext *s) } =20 /* Jump to register */ -static void gen_jr(DisasContext *s, TCGv dest) +static void gen_jr(DisasContext *s) { do_gen_eob_worker(s, false, false, true); } @@ -5171,7 +5172,7 @@ static bool disas_insn(DisasContext *s, CPUState *cpu) gen_push_v(s, s->T1); gen_op_jmp_v(s->T0); gen_bnd_jmp(s); - gen_jr(s, s->T0); + s->base.is_jmp =3D DISAS_JUMP; break; case 3: /* lcall Ev */ if (mod =3D=3D 3) { @@ -5192,8 +5193,7 @@ static bool disas_insn(DisasContext *s, CPUState *cpu) tcg_const_i32(dflag - 1), tcg_const_i32(s->pc - s->cs_base)); } - tcg_gen_ld_tl(s->tmp4, cpu_env, offsetof(CPUX86State, eip)); - gen_jr(s, s->tmp4); + s->base.is_jmp =3D DISAS_JUMP; break; case 4: /* jmp Ev */ if (dflag =3D=3D MO_16) { @@ -5201,7 +5201,7 @@ static bool disas_insn(DisasContext *s, CPUState *cpu) } gen_op_jmp_v(s->T0); gen_bnd_jmp(s); - gen_jr(s, s->T0); + s->base.is_jmp =3D DISAS_JUMP; break; case 5: /* ljmp Ev */ if (mod =3D=3D 3) { @@ -5219,8 +5219,7 @@ static bool disas_insn(DisasContext *s, CPUState *cpu) gen_op_movl_seg_T0_vm(s, R_CS); gen_op_jmp_v(s->T1); } - tcg_gen_ld_tl(s->tmp4, cpu_env, offsetof(CPUX86State, eip)); - gen_jr(s, s->tmp4); + s->base.is_jmp =3D DISAS_JUMP; break; case 6: /* push Ev */ gen_push_v(s, s->T0); @@ -6660,7 +6659,7 @@ static bool disas_insn(DisasContext *s, CPUState *cpu) /* Note that gen_pop_T0 uses a zero-extending load. */ gen_op_jmp_v(s->T0); gen_bnd_jmp(s); - gen_jr(s, s->T0); + s->base.is_jmp =3D DISAS_JUMP; break; case 0xc3: /* ret */ ot =3D gen_pop_T0(s); @@ -6668,7 +6667,7 @@ static bool disas_insn(DisasContext *s, CPUState *cpu) /* Note that gen_pop_T0 uses a zero-extending load. */ gen_op_jmp_v(s->T0); gen_bnd_jmp(s); - gen_jr(s, s->T0); + s->base.is_jmp =3D DISAS_JUMP; break; case 0xca: /* lret im */ val =3D x86_ldsw_code(env, s); @@ -8698,6 +8697,9 @@ static void i386_tr_tb_stop(DisasContextBase *dcbase,= CPUState *cpu) gen_update_eip_cur(dc); gen_eob_inhibit_irq(dc, true); break; + case DISAS_JUMP: + gen_jr(dc); + break; default: g_assert_not_reached(); } --=20 2.34.1