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[173.198.77.218]) by smtp.gmail.com with ESMTPSA id d137-20020a63368f000000b00478c48cf73csm4375262pga.82.2023.02.27.13.33.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Feb 2023 13:33:39 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH v3 05/14] target/arm: Simplify register counting in arm_gen_dynamic_svereg_xml Date: Mon, 27 Feb 2023 11:33:20 -1000 Message-Id: <20230227213329.793795-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230227213329.793795-1-richard.henderson@linaro.org> References: <20230227213329.793795-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62d; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62d.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 Rather than increment base_reg and num, compute num from the change to base_reg at the end. Clean up some nearby comments. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- target/arm/gdbstub64.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index 811833d8de..070ba20d99 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -277,32 +277,35 @@ static void output_vector_union_type(GString *s, int reg_width) g_string_append(s, ""); } -int arm_gen_dynamic_svereg_xml(CPUState *cs, int base_reg) +int arm_gen_dynamic_svereg_xml(CPUState *cs, int orig_base_reg) { ARMCPU *cpu = ARM_CPU(cs); GString *s = g_string_new(NULL); DynamicGDBXMLInfo *info = &cpu->dyn_svereg_xml; - int i, reg_width = (cpu->sve_max_vq * 128); - info->num = 0; + int reg_width = cpu->sve_max_vq * 128; + int base_reg = orig_base_reg; + int i; + g_string_printf(s, ""); g_string_append_printf(s, ""); g_string_append_printf(s, ""); + /* Create the vector union type. */ output_vector_union_type(s, reg_width); - /* Finally the sve prefix type */ + /* Create the predicate vector type. */ g_string_append_printf(s, "", reg_width / 8); - /* Then define each register in parts for each vq */ + /* Define the vector registers. */ for (i = 0; i < 32; i++) { g_string_append_printf(s, "", i, reg_width, base_reg++); - info->num++; } + /* fpscr & status registers */ g_string_append_printf(s, "", base_reg++); - info->num += 2; + /* Define the predicate registers. */ for (i = 0; i < 16; i++) { g_string_append_printf(s, "", i, cpu->sve_max_vq * 16, base_reg++); - info->num++; } g_string_append_printf(s, "", cpu->sve_max_vq * 16, base_reg++); + + /* Define the vector length pseudo-register. */ g_string_append_printf(s, "", base_reg++); - info->num += 2; - g_string_append_printf(s, ""); - info->desc = g_string_free(s, false); + g_string_append_printf(s, ""); + + info->desc = g_string_free(s, false); + info->num = base_reg - orig_base_reg; return info->num; }