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[Qemu-devel] [PATCH qom-cpu] cpu-exec: Optimize X86CPU usage in cpu_exec


From: Andreas Färber
Subject: [Qemu-devel] [PATCH qom-cpu] cpu-exec: Optimize X86CPU usage in cpu_exec()
Date: Tue, 24 Dec 2013 03:38:26 +0100

Replace growing numbers of inline x86_env_get_cpu() with x86_cpu variable.

Signed-off-by: Andreas Färber <address@hidden>
---
 cpu-exec.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/cpu-exec.c b/cpu-exec.c
index 2711c58..f7a215c 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -206,6 +206,9 @@ int cpu_exec(CPUArchState *env)
       (defined(TARGET_M68K) || defined(TARGET_PPC) || defined(TARGET_S390X)))
     CPUClass *cc = CPU_GET_CLASS(cpu);
 #endif
+#ifdef TARGET_I386
+    X86CPU *x86_cpu = X86_CPU(cpu);
+#endif
     int ret, interrupt_request;
     TranslationBlock *tb;
     uint8_t *tc_ptr;
@@ -320,24 +323,24 @@ int cpu_exec(CPUArchState *env)
 #if !defined(CONFIG_USER_ONLY)
                     if (interrupt_request & CPU_INTERRUPT_POLL) {
                         cpu->interrupt_request &= ~CPU_INTERRUPT_POLL;
-                        apic_poll_irq(x86_env_get_cpu(env)->apic_state);
+                        apic_poll_irq(x86_cpu->apic_state);
                     }
 #endif
                     if (interrupt_request & CPU_INTERRUPT_INIT) {
                             cpu_svm_check_intercept_param(env, SVM_EXIT_INIT,
                                                           0);
-                            do_cpu_init(x86_env_get_cpu(env));
+                            do_cpu_init(x86_cpu);
                             env->exception_index = EXCP_HALTED;
                             cpu_loop_exit(env);
                     } else if (interrupt_request & CPU_INTERRUPT_SIPI) {
-                            do_cpu_sipi(x86_env_get_cpu(env));
+                            do_cpu_sipi(x86_cpu);
                     } else if (env->hflags2 & HF2_GIF_MASK) {
                         if ((interrupt_request & CPU_INTERRUPT_SMI) &&
                             !(env->hflags & HF_SMM_MASK)) {
                             cpu_svm_check_intercept_param(env, SVM_EXIT_SMI,
                                                           0);
                             cpu->interrupt_request &= ~CPU_INTERRUPT_SMI;
-                            do_smm_enter(x86_env_get_cpu(env));
+                            do_smm_enter(x86_cpu);
                             next_tb = 0;
                         } else if ((interrupt_request & CPU_INTERRUPT_NMI) &&
                                    !(env->hflags2 & HF2_NMI_MASK)) {
@@ -685,6 +688,9 @@ int cpu_exec(CPUArchState *env)
       (defined(TARGET_M68K) || defined(TARGET_PPC) || defined(TARGET_S390X)))
             cc = CPU_GET_CLASS(cpu);
 #endif
+#ifdef TARGET_I386
+            x86_cpu = X86_CPU(cpu);
+#endif
         }
     } /* for(;;) */
 
-- 
1.8.4




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