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[173.197.98.118]) by smtp.gmail.com with ESMTPSA id t4-20020a17090ad14400b00219220edf0dsm7451215pjw.48.2023.01.30.13.49.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Jan 2023 13:49:43 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: alex.bennee@linaro.org, philmd@linaro.org Subject: [PATCH v6 34/36] target/i386: Split out gen_cmpxchg8b, gen_cmpxchg16b Date: Mon, 30 Jan 2023 11:48:42 -1000 Message-Id: <20230130214844.1158612-35-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230130214844.1158612-1-richard.henderson@linaro.org> References: <20230130214844.1158612-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1031; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1031.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- target/i386/tcg/translate.c | 48 ++++++++++++++++++++++++------------- 1 file changed, 31 insertions(+), 17 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 7e0b2a709a..a82131d635 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -2993,6 +2993,34 @@ static void gen_sty_env_A0(DisasContext *s, int offset, bool align) #include "emit.c.inc" #include "decode-new.c.inc" +static void gen_cmpxchg8b(DisasContext *s, CPUX86State *env, int modrm) +{ + gen_lea_modrm(env, s, modrm); + + if ((s->prefix & PREFIX_LOCK) && + (tb_cflags(s->base.tb) & CF_PARALLEL)) { + gen_helper_cmpxchg8b(cpu_env, s->A0); + } else { + gen_helper_cmpxchg8b_unlocked(cpu_env, s->A0); + } + set_cc_op(s, CC_OP_EFLAGS); +} + +#ifdef TARGET_X86_64 +static void gen_cmpxchg16b(DisasContext *s, CPUX86State *env, int modrm) +{ + gen_lea_modrm(env, s, modrm); + + if ((s->prefix & PREFIX_LOCK) && + (tb_cflags(s->base.tb) & CF_PARALLEL)) { + gen_helper_cmpxchg16b(cpu_env, s->A0); + } else { + gen_helper_cmpxchg16b_unlocked(cpu_env, s->A0); + } + set_cc_op(s, CC_OP_EFLAGS); +} +#endif + /* convert one instruction. s->base.is_jmp is set if the translation must be stopped. Return the next pc value */ static bool disas_insn(DisasContext *s, CPUState *cpu) @@ -3844,28 +3872,14 @@ static bool disas_insn(DisasContext *s, CPUState *cpu) if (!(s->cpuid_ext_features & CPUID_EXT_CX16)) { goto illegal_op; } - gen_lea_modrm(env, s, modrm); - if ((s->prefix & PREFIX_LOCK) && - (tb_cflags(s->base.tb) & CF_PARALLEL)) { - gen_helper_cmpxchg16b(cpu_env, s->A0); - } else { - gen_helper_cmpxchg16b_unlocked(cpu_env, s->A0); - } - set_cc_op(s, CC_OP_EFLAGS); + gen_cmpxchg16b(s, env, modrm); break; } -#endif +#endif if (!(s->cpuid_features & CPUID_CX8)) { goto illegal_op; } - gen_lea_modrm(env, s, modrm); - if ((s->prefix & PREFIX_LOCK) && - (tb_cflags(s->base.tb) & CF_PARALLEL)) { - gen_helper_cmpxchg8b(cpu_env, s->A0); - } else { - gen_helper_cmpxchg8b_unlocked(cpu_env, s->A0); - } - set_cc_op(s, CC_OP_EFLAGS); + gen_cmpxchg8b(s, env, modrm); break; case 7: /* RDSEED */ -- 2.34.1