From: Richard Henderson Date: Sun, 29 Jan 2023 23:28:53 +0000 (-1000) Subject: accel/tcg/plugin: Tidy plugin_gen_disable_mem_helpers X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=4013884346f3bb0838f09e41dac6e735f6f576c2;p=qmiga%2Fqemu.git accel/tcg/plugin: Tidy plugin_gen_disable_mem_helpers Here we are creating a temp whose value needs to be replaced, but always storing NULL into CPUState.plugin_mem_cbs. Use tcg_constant_ptr(0) explicitly. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c index 9b793ac62c..c42a436c0c 100644 --- a/accel/tcg/plugin-gen.c +++ b/accel/tcg/plugin-gen.c @@ -630,8 +630,6 @@ static void inject_mem_disable_helper(struct qemu_plugin_insn *plugin_insn, /* called before finishing a TB with exit_tb, goto_tb or goto_ptr */ void plugin_gen_disable_mem_helpers(void) { - TCGv_ptr ptr; - /* * We could emit the clearing unconditionally and be done. However, this can * be wasteful if for instance plugins don't track memory accesses, or if @@ -644,10 +642,8 @@ void plugin_gen_disable_mem_helpers(void) if (!tcg_ctx->plugin_tb->mem_helper) { return; } - ptr = tcg_const_ptr(NULL); - tcg_gen_st_ptr(ptr, cpu_env, offsetof(CPUState, plugin_mem_cbs) - - offsetof(ArchCPU, env)); - tcg_temp_free_ptr(ptr); + tcg_gen_st_ptr(tcg_constant_ptr(NULL), cpu_env, + offsetof(CPUState, plugin_mem_cbs) - offsetof(ArchCPU, env)); } static void plugin_gen_tb_udata(const struct qemu_plugin_tb *ptb,