accel/tcg: Remove cpu_neg()

Now that CPUNegativeOffsetState is part of CPUState,
we can reference it directly.

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

accel/tcg/cpu-exec.c

@@ -73,7 +73,7 @@ static void align_clocks(SyncClocks *sc, CPUState *cpu)
         return;
     }
 
-    cpu_icount = cpu->icount_extra + cpu_neg(cpu)->icount_decr.u16.low;
+    cpu_icount = cpu->icount_extra + cpu->neg.icount_decr.u16.low;
     sc->diff_clk += icount_to_ns(sc->last_cpu_icount - cpu_icount);
     sc->last_cpu_icount = cpu_icount;
 
@@ -124,7 +124,7 @@ static void init_delay_params(SyncClocks *sc, CPUState *cpu)
     sc->realtime_clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL_RT);
     sc->diff_clk = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - sc->realtime_clock;
     sc->last_cpu_icount
-        = cpu->icount_extra + cpu_neg(cpu)->icount_decr.u16.low;
+        = cpu->icount_extra + cpu->neg.icount_decr.u16.low;
     if (sc->diff_clk < max_delay) {
         max_delay = sc->diff_clk;
     }
@@ -717,7 +717,7 @@ static inline bool cpu_handle_exception(CPUState *cpu, int *ret)
     if (cpu->exception_index < 0) {
 #ifndef CONFIG_USER_ONLY
         if (replay_has_exception()
-            && cpu_neg(cpu)->icount_decr.u16.low + cpu->icount_extra == 0) {
+            && cpu->neg.icount_decr.u16.low + cpu->icount_extra == 0) {
             /* Execute just one insn to trigger exception pending in the log */
             cpu->cflags_next_tb = (curr_cflags(cpu) & ~CF_USE_ICOUNT)
                 | CF_LAST_IO | CF_NOIRQ | 1;
@@ -807,7 +807,7 @@ static inline bool cpu_handle_interrupt(CPUState *cpu,
      * Ensure zeroing happens before reading cpu->exit_request or
      * cpu->interrupt_request (see also smp_wmb in cpu_exit())
      */
-    qatomic_set_mb(&cpu_neg(cpu)->icount_decr.u16.high, 0);
+    qatomic_set_mb(&cpu->neg.icount_decr.u16.high, 0);
 
     if (unlikely(qatomic_read(&cpu->interrupt_request))) {
         int interrupt_request;
@@ -898,7 +898,7 @@ static inline bool cpu_handle_interrupt(CPUState *cpu,
     if (unlikely(qatomic_read(&cpu->exit_request))
         || (icount_enabled()
             && (cpu->cflags_next_tb == -1 || cpu->cflags_next_tb & CF_USE_ICOUNT)
-            && cpu_neg(cpu)->icount_decr.u16.low + cpu->icount_extra == 0)) {
+            && cpu->neg.icount_decr.u16.low + cpu->icount_extra == 0)) {
         qatomic_set(&cpu->exit_request, 0);
         if (cpu->exception_index == -1) {
             cpu->exception_index = EXCP_INTERRUPT;
@@ -923,7 +923,7 @@ static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
     }
 
     *last_tb = NULL;
-    insns_left = qatomic_read(&cpu_neg(cpu)->icount_decr.u32);
+    insns_left = qatomic_read(&cpu->neg.icount_decr.u32);
     if (insns_left < 0) {
         /* Something asked us to stop executing chained TBs; just
          * continue round the main loop. Whatever requested the exit
@@ -942,7 +942,7 @@ static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
     icount_update(cpu);
     /* Refill decrementer and continue execution.  */
     insns_left = MIN(0xffff, cpu->icount_budget);
-    cpu_neg(cpu)->icount_decr.u16.low = insns_left;
+    cpu->neg.icount_decr.u16.low = insns_left;
     cpu->icount_extra = cpu->icount_budget - insns_left;
 
     /*

accel/tcg/tcg-accel-ops-icount.c

@@ -111,14 +111,14 @@ void icount_prepare_for_run(CPUState *cpu, int64_t cpu_budget)
      * each vCPU execution. However u16.high can be raised
      * asynchronously by cpu_exit/cpu_interrupt/tcg_handle_interrupt
      */
-    g_assert(cpu_neg(cpu)->icount_decr.u16.low == 0);
+    g_assert(cpu->neg.icount_decr.u16.low == 0);
     g_assert(cpu->icount_extra == 0);
 
     replay_mutex_lock();
 
     cpu->icount_budget = MIN(icount_get_limit(), cpu_budget);
     insns_left = MIN(0xffff, cpu->icount_budget);
-    cpu_neg(cpu)->icount_decr.u16.low = insns_left;
+    cpu->neg.icount_decr.u16.low = insns_left;
     cpu->icount_extra = cpu->icount_budget - insns_left;
 
     if (cpu->icount_budget == 0) {
@@ -138,7 +138,7 @@ void icount_process_data(CPUState *cpu)
     icount_update(cpu);
 
     /* Reset the counters */
-    cpu_neg(cpu)->icount_decr.u16.low = 0;
+    cpu->neg.icount_decr.u16.low = 0;
     cpu->icount_extra = 0;
     cpu->icount_budget = 0;
 

accel/tcg/tcg-accel-ops.c

@@ -91,7 +91,7 @@ void tcg_handle_interrupt(CPUState *cpu, int mask)
     if (!qemu_cpu_is_self(cpu)) {
         qemu_cpu_kick(cpu);
     } else {
-        qatomic_set(&cpu_neg(cpu)->icount_decr.u16.high, -1);
+        qatomic_set(&cpu->neg.icount_decr.u16.high, -1);
     }
 }
 

accel/tcg/translate-all.c

@@ -214,7 +214,7 @@ void cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb,
          * Reset the cycle counter to the start of the block and
          * shift if to the number of actually executed instructions.
          */
-        cpu_neg(cpu)->icount_decr.u16.low += insns_left;
+        cpu->neg.icount_decr.u16.low += insns_left;
     }
 
     cpu->cc->tcg_ops->restore_state_to_opc(cpu, tb, data);
@@ -623,7 +623,7 @@ void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr)
     cc = CPU_GET_CLASS(cpu);
     if (cc->tcg_ops->io_recompile_replay_branch &&
         cc->tcg_ops->io_recompile_replay_branch(cpu, tb)) {
-        cpu_neg(cpu)->icount_decr.u16.low++;
+        cpu->neg.icount_decr.u16.low++;
         n = 2;
     }
 
@@ -779,7 +779,7 @@ void cpu_interrupt(CPUState *cpu, int mask)
 {
     g_assert(qemu_mutex_iothread_locked());
     cpu->interrupt_request |= mask;
-    qatomic_set(&cpu_neg(cpu)->icount_decr.u16.high, -1);
+    qatomic_set(&cpu->neg.icount_decr.u16.high, -1);
 }
 
 #endif /* CONFIG_USER_ONLY */

include/exec/cpu-all.h

@@ -471,17 +471,6 @@ static inline CPUNegativeOffsetState *env_neg(CPUArchState *env)
     return &env_cpu(env)->neg;
 }
 
-/**
- * cpu_neg(cpu)
- * @cpu: The generic CPUState
- *
- * Return the CPUNegativeOffsetState associated with the cpu.
- */
-static inline CPUNegativeOffsetState *cpu_neg(CPUState *cpu)
-{
-    return &cpu->neg;
-}
-
 /**
  * env_tlb(env)
  * @env: The architecture environment

include/exec/exec-all.h

@@ -71,7 +71,7 @@ G_NORETURN void cpu_loop_exit_atomic(CPUState *cpu, uintptr_t pc);
  */
 static inline bool cpu_loop_exit_requested(CPUState *cpu)
 {
-    return (int32_t)qatomic_read(&cpu_neg(cpu)->icount_decr.u32) < 0;
+    return (int32_t)qatomic_read(&cpu->neg.icount_decr.u32) < 0;
 }
 
 #if !defined(CONFIG_USER_ONLY) && defined(CONFIG_TCG)

softmmu/icount.c

@@ -75,7 +75,7 @@ static void icount_enable_adaptive(void)
 static int64_t icount_get_executed(CPUState *cpu)
 {
     return (cpu->icount_budget -
-            (cpu_neg(cpu)->icount_decr.u16.low + cpu->icount_extra));
+            (cpu->neg.icount_decr.u16.low + cpu->icount_extra));
 }
 
 /*