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[98.147.7.212]) by smtp.gmail.com with ESMTPSA id ga15-20020a17090b038f00b0029c3bac0aa8sm8658432pjb.4.2024.04.08.10.50.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Apr 2024 10:50:05 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Paolo Bonzini Subject: [PULL 23/35] target/i386: Preserve DisasContextBase.insn_start across rewind Date: Mon, 8 Apr 2024 07:49:17 -1000 Message-Id: <20240408174929.862917-24-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240408174929.862917-1-richard.henderson@linaro.org> References: <20240408174929.862917-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42d; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42d.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org When aborting translation of the current insn, restore the previous value of insn_start. Acked-by: Paolo Bonzini Signed-off-by: Richard Henderson --- target/i386/tcg/translate.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 07f642dc9e..76a42c679c 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -139,6 +139,7 @@ typedef struct DisasContext { TCGv_i64 tmp1_i64; sigjmp_buf jmpbuf; + TCGOp *prev_insn_start; TCGOp *prev_insn_end; } DisasContext; @@ -3123,6 +3124,7 @@ static bool disas_insn(DisasContext *s, CPUState *cpu) /* END TODO */ s->base.num_insns--; tcg_remove_ops_after(s->prev_insn_end); + s->base.insn_start = s->prev_insn_start; s->base.is_jmp = DISAS_TOO_MANY; return false; default: @@ -6995,6 +6997,7 @@ static void i386_tr_insn_start(DisasContextBase *dcbase, CPUState *cpu) DisasContext *dc = container_of(dcbase, DisasContext, base); target_ulong pc_arg = dc->base.pc_next; + dc->prev_insn_start = dc->base.insn_start; dc->prev_insn_end = tcg_last_op(); if (tb_cflags(dcbase->tb) & CF_PCREL) { pc_arg &= ~TARGET_PAGE_MASK;