target/sh4: Prefer fast cpu_env() over slower CPU QOM cast macro

Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-26-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>

target/sh4/cpu.c

@@ -71,8 +71,7 @@ static void superh_restore_state_to_opc(CPUState *cs,
 static bool superh_io_recompile_replay_branch(CPUState *cs,
                                               const TranslationBlock *tb)
 {
-    SuperHCPU *cpu = SUPERH_CPU(cs);
+    CPUSH4State *env = cpu_env(cs);
-    CPUSH4State *env = &cpu->env;
 
     if ((env->flags & (TB_FLAG_DELAY_SLOT | TB_FLAG_DELAY_SLOT_COND))
         && !(cs->tcg_cflags & CF_PCREL) && env->pc != tb->pc) {
@@ -107,9 +106,8 @@ static int sh4_cpu_mmu_index(CPUState *cs, bool ifetch)
 static void superh_cpu_reset_hold(Object *obj)
 {
     CPUState *cs = CPU(obj);
-    SuperHCPU *cpu = SUPERH_CPU(cs);
     SuperHCPUClass *scc = SUPERH_CPU_GET_CLASS(obj);
-    CPUSH4State *env = &cpu->env;
+    CPUSH4State *env = cpu_env(cs);
 
     if (scc->parent_phases.hold) {
         scc->parent_phases.hold(obj);
@@ -159,8 +157,7 @@ out:
 
 static void sh7750r_cpu_initfn(Object *obj)
 {
-    SuperHCPU *cpu = SUPERH_CPU(obj);
+    CPUSH4State *env = cpu_env(CPU(obj));
-    CPUSH4State *env = &cpu->env;
 
     env->id = SH_CPU_SH7750R;
     env->features = SH_FEATURE_BCR3_AND_BCR4;
@@ -177,8 +174,7 @@ static void sh7750r_class_init(ObjectClass *oc, void *data)
 
 static void sh7751r_cpu_initfn(Object *obj)
 {
-    SuperHCPU *cpu = SUPERH_CPU(obj);
+    CPUSH4State *env = cpu_env(CPU(obj));
-    CPUSH4State *env = &cpu->env;
 
     env->id = SH_CPU_SH7751R;
     env->features = SH_FEATURE_BCR3_AND_BCR4;
@@ -195,8 +191,7 @@ static void sh7751r_class_init(ObjectClass *oc, void *data)
 
 static void sh7785_cpu_initfn(Object *obj)
 {
-    SuperHCPU *cpu = SUPERH_CPU(obj);
+    CPUSH4State *env = cpu_env(CPU(obj));
-    CPUSH4State *env = &cpu->env;
 
     env->id = SH_CPU_SH7785;
     env->features = SH_FEATURE_SH4A;
@@ -231,8 +226,7 @@ static void superh_cpu_realizefn(DeviceState *dev, Error **errp)
 
 static void superh_cpu_initfn(Object *obj)
 {
-    SuperHCPU *cpu = SUPERH_CPU(obj);
+    CPUSH4State *env = cpu_env(CPU(obj));
-    CPUSH4State *env = &cpu->env;
 
     env->movcal_backup_tail = &(env->movcal_backup);
 }

target/sh4/gdbstub.c

@@ -26,8 +26,7 @@
 
 int superh_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
 {
-    SuperHCPU *cpu = SUPERH_CPU(cs);
+    CPUSH4State *env = cpu_env(cs);
-    CPUSH4State *env = &cpu->env;
 
     switch (n) {
     case 0 ... 7:
@@ -76,8 +75,7 @@ int superh_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
 
 int superh_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
 {
-    SuperHCPU *cpu = SUPERH_CPU(cs);
+    CPUSH4State *env = cpu_env(cs);
-    CPUSH4State *env = &cpu->env;
 
     switch (n) {
     case 0 ... 7:

target/sh4/helper.c

@@ -55,8 +55,7 @@ int cpu_sh4_is_cached(CPUSH4State *env, target_ulong addr)
 
 void superh_cpu_do_interrupt(CPUState *cs)
 {
-    SuperHCPU *cpu = SUPERH_CPU(cs);
+    CPUSH4State *env = cpu_env(cs);
-    CPUSH4State *env = &cpu->env;
     int do_irq = cs->interrupt_request & CPU_INTERRUPT_HARD;
     int do_exp, irq_vector = cs->exception_index;
 
@@ -432,11 +431,10 @@ static int get_physical_address(CPUSH4State * env, target_ulong * physical,
 
 hwaddr superh_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
 {
-    SuperHCPU *cpu = SUPERH_CPU(cs);
     target_ulong physical;
     int prot;
 
-    if (get_physical_address(&cpu->env, &physical, &prot, addr, MMU_DATA_LOAD)
+    if (get_physical_address(cpu_env(cs), &physical, &prot, addr, MMU_DATA_LOAD)
             == MMU_OK) {
         return physical;
     }
@@ -782,11 +780,8 @@ int cpu_sh4_is_cached(CPUSH4State * env, target_ulong addr)
 bool superh_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
 {
     if (interrupt_request & CPU_INTERRUPT_HARD) {
-        SuperHCPU *cpu = SUPERH_CPU(cs);
-        CPUSH4State *env = &cpu->env;
-
         /* Delay slots are indivisible, ignore interrupts */
-        if (env->flags & TB_FLAG_DELAY_SLOT_MASK) {
+        if (cpu_env(cs)->flags & TB_FLAG_DELAY_SLOT_MASK) {
             return false;
         } else {
             superh_cpu_do_interrupt(cs);
@@ -800,8 +795,7 @@ bool superh_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
                          MMUAccessType access_type, int mmu_idx,
                          bool probe, uintptr_t retaddr)
 {
-    SuperHCPU *cpu = SUPERH_CPU(cs);
+    CPUSH4State *env = cpu_env(cs);
-    CPUSH4State *env = &cpu->env;
     int ret;
 
     target_ulong physical;

target/sh4/translate.c

@@ -159,8 +159,7 @@ void sh4_translate_init(void)
 
 void superh_cpu_dump_state(CPUState *cs, FILE *f, int flags)
 {
-    SuperHCPU *cpu = SUPERH_CPU(cs);
+    CPUSH4State *env = cpu_env(cs);
-    CPUSH4State *env = &cpu->env;
     int i;
 
     qemu_fprintf(f, "pc=0x%08x sr=0x%08x pr=0x%08x fpscr=0x%08x\n",
@@ -2186,7 +2185,6 @@ static void decode_gusa(DisasContext *ctx, CPUSH4State *env)
 static void sh4_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
 {
     DisasContext *ctx = container_of(dcbase, DisasContext, base);
-    CPUSH4State *env = cpu_env(cs);
     uint32_t tbflags;
     int bound;
 
@@ -2196,7 +2194,7 @@ static void sh4_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
     /* We don't know if the delayed pc came from a dynamic or static branch,
        so assume it is a dynamic branch.  */
     ctx->delayed_pc = -1; /* use delayed pc from env pointer */
-    ctx->features = env->features;
+    ctx->features = cpu_env(cs)->features;
     ctx->has_movcal = (tbflags & TB_FLAG_PENDING_MOVCA);
     ctx->gbank = ((tbflags & (1 << SR_MD)) &&
                   (tbflags & (1 << SR_RB))) * 0x10;