user: Prefer cached CpuClass over CPU_GET_CLASS() macro

CpuState caches its CPUClass since commit 6fbdff87062
("cpu: cache CPUClass in CPUState for hot code paths"),
use it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250122093028.52416-7-philmd@linaro.org>

bsd-user/signal.c

@@ -1034,7 +1034,7 @@ void process_pending_signals(CPUArchState *env)
 void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
                            MMUAccessType access_type, bool maperr, uintptr_t ra)
 {
-    const TCGCPUOps *tcg_ops = CPU_GET_CLASS(cpu)->tcg_ops;
+    const TCGCPUOps *tcg_ops = cpu->cc->tcg_ops;
 
     if (tcg_ops->record_sigsegv) {
         tcg_ops->record_sigsegv(cpu, addr, access_type, maperr, ra);
@@ -1050,7 +1050,7 @@ void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
 void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr,
                           MMUAccessType access_type, uintptr_t ra)
 {
-    const TCGCPUOps *tcg_ops = CPU_GET_CLASS(cpu)->tcg_ops;
+    const TCGCPUOps *tcg_ops = cpu->cc->tcg_ops;
 
     if (tcg_ops->record_sigbus) {
         tcg_ops->record_sigbus(cpu, addr, access_type, ra);

linux-user/alpha/target_proc.h

@@ -15,7 +15,7 @@ static int open_cpuinfo(CPUArchState *cpu_env, int fd)
     const char *p, *q;
     int t;
 
-    p = object_class_get_name(OBJECT_CLASS(CPU_GET_CLASS(env_cpu(cpu_env))));
+    p = object_class_get_name(OBJECT_CLASS(env_cpu(cpu_env)->cc));
     q = strchr(p, '-');
     t = q - p;
     assert(t < sizeof(model));

linux-user/signal.c

@@ -753,7 +753,7 @@ void force_sigsegv(int oldsig)
 void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
                            MMUAccessType access_type, bool maperr, uintptr_t ra)
 {
-    const TCGCPUOps *tcg_ops = CPU_GET_CLASS(cpu)->tcg_ops;
+    const TCGCPUOps *tcg_ops = cpu->cc->tcg_ops;
 
     if (tcg_ops->record_sigsegv) {
         tcg_ops->record_sigsegv(cpu, addr, access_type, maperr, ra);
@@ -769,7 +769,7 @@ void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
 void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr,
                           MMUAccessType access_type, uintptr_t ra)
 {
-    const TCGCPUOps *tcg_ops = CPU_GET_CLASS(cpu)->tcg_ops;
+    const TCGCPUOps *tcg_ops = cpu->cc->tcg_ops;
 
     if (tcg_ops->record_sigbus) {
         tcg_ops->record_sigbus(cpu, addr, access_type, ra);