This enum defines the bit positions in env->pending_interrupts for each
interrupt. However, except for the comparison in kvmppc_set_interrupt,
the values are always used as (1 << PPC_INTERRUPT_*). Define them
directly like that to save some clutter. No functional change intended.

Signed-off-by: Matheus Ferst <matheus.fe...@eldorado.org.br>
---
 hw/ppc/ppc.c             | 10 +++---
 hw/ppc/trace-events      |  2 +-
 target/ppc/cpu.h         | 40 +++++++++++-----------
 target/ppc/cpu_init.c    | 56 +++++++++++++++---------------
 target/ppc/excp_helper.c | 74 ++++++++++++++++++++--------------------
 target/ppc/misc_helper.c |  6 ++--
 6 files changed, 94 insertions(+), 94 deletions(-)

diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c
index 690f448cb9..77e611e81c 100644
--- a/hw/ppc/ppc.c
+++ b/hw/ppc/ppc.c
@@ -40,7 +40,7 @@
 static void cpu_ppc_tb_stop (CPUPPCState *env);
 static void cpu_ppc_tb_start (CPUPPCState *env);
 
-void ppc_set_irq(PowerPCCPU *cpu, int n_IRQ, int level)
+void ppc_set_irq(PowerPCCPU *cpu, int irq, int level)
 {
     CPUState *cs = CPU(cpu);
     CPUPPCState *env = &cpu->env;
@@ -56,21 +56,21 @@ void ppc_set_irq(PowerPCCPU *cpu, int n_IRQ, int level)
     old_pending = env->pending_interrupts;
 
     if (level) {
-        env->pending_interrupts |= 1 << n_IRQ;
+        env->pending_interrupts |= irq;
         cpu_interrupt(cs, CPU_INTERRUPT_HARD);
     } else {
-        env->pending_interrupts &= ~(1 << n_IRQ);
+        env->pending_interrupts &= ~irq;
         if (env->pending_interrupts == 0) {
             cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
         }
     }
 
     if (old_pending != env->pending_interrupts) {
-        kvmppc_set_interrupt(cpu, n_IRQ, level);
+        kvmppc_set_interrupt(cpu, irq, level);
     }
 
 
-    trace_ppc_irq_set_exit(env, n_IRQ, level, env->pending_interrupts,
+    trace_ppc_irq_set_exit(env, irq, level, env->pending_interrupts,
                            CPU(cpu)->interrupt_request);
 
     if (locked) {
diff --git a/hw/ppc/trace-events b/hw/ppc/trace-events
index 5c0a215cad..c9ee1285b8 100644
--- a/hw/ppc/trace-events
+++ b/hw/ppc/trace-events
@@ -116,7 +116,7 @@ ppc40x_set_tb_clk(uint32_t value) "new frequency %" PRIu32
 ppc40x_timers_init(uint32_t value) "frequency %" PRIu32
 
 ppc_irq_set(void *env, uint32_t pin, uint32_t level) "env [%p] pin %d level %d"
-ppc_irq_set_exit(void *env, uint32_t n_IRQ, uint32_t level, uint32_t pending, 
uint32_t request) "env [%p] n_IRQ %d level %d => pending 0x%08" PRIx32 " req 
0x%08" PRIx32
+ppc_irq_set_exit(void *env, uint32_t irq, uint32_t level, uint32_t pending, 
uint32_t request) "env [%p] irq 0x%05" PRIx32 " level %d => pending 0x%08" 
PRIx32 " req 0x%08" PRIx32
 ppc_irq_set_state(const char *name, uint32_t level) "\"%s\" level %d"
 ppc_irq_reset(const char *name) "%s"
 ppc_irq_cpu(const char *action) "%s"
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index a4c893cfad..c7864bb3b1 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -2418,27 +2418,27 @@ enum {
 /* Hardware exceptions definitions */
 enum {
     /* External hardware exception sources */
-    PPC_INTERRUPT_RESET     = 0,  /* Reset exception                      */
-    PPC_INTERRUPT_WAKEUP,         /* Wakeup exception                     */
-    PPC_INTERRUPT_MCK,            /* Machine check exception              */
-    PPC_INTERRUPT_EXT,            /* External interrupt                   */
-    PPC_INTERRUPT_SMI,            /* System management interrupt          */
-    PPC_INTERRUPT_CEXT,           /* Critical external interrupt          */
-    PPC_INTERRUPT_DEBUG,          /* External debug exception             */
-    PPC_INTERRUPT_THERM,          /* Thermal exception                    */
+    PPC_INTERRUPT_RESET     = 0x00001,  /* Reset exception                    
*/
+    PPC_INTERRUPT_WAKEUP    = 0x00002,  /* Wakeup exception                   
*/
+    PPC_INTERRUPT_MCK       = 0x00004,  /* Machine check exception            
*/
+    PPC_INTERRUPT_EXT       = 0x00008,  /* External interrupt                 
*/
+    PPC_INTERRUPT_SMI       = 0x00010,  /* System management interrupt        
*/
+    PPC_INTERRUPT_CEXT      = 0x00020,  /* Critical external interrupt        
*/
+    PPC_INTERRUPT_DEBUG     = 0x00040,  /* External debug exception           
*/
+    PPC_INTERRUPT_THERM     = 0x00080,  /* Thermal exception                  
*/
     /* Internal hardware exception sources */
-    PPC_INTERRUPT_DECR,           /* Decrementer exception                */
-    PPC_INTERRUPT_HDECR,          /* Hypervisor decrementer exception     */
-    PPC_INTERRUPT_PIT,            /* Programmable interval timer interrupt */
-    PPC_INTERRUPT_FIT,            /* Fixed interval timer interrupt       */
-    PPC_INTERRUPT_WDT,            /* Watchdog timer interrupt             */
-    PPC_INTERRUPT_CDOORBELL,      /* Critical doorbell interrupt          */
-    PPC_INTERRUPT_DOORBELL,       /* Doorbell interrupt                   */
-    PPC_INTERRUPT_PERFM,          /* Performance monitor interrupt        */
-    PPC_INTERRUPT_HMI,            /* Hypervisor Maintenance interrupt    */
-    PPC_INTERRUPT_HDOORBELL,      /* Hypervisor Doorbell interrupt        */
-    PPC_INTERRUPT_HVIRT,          /* Hypervisor virtualization interrupt  */
-    PPC_INTERRUPT_EBB,            /* Event-based Branch exception         */
+    PPC_INTERRUPT_DECR      = 0x00100, /* Decrementer exception               
*/
+    PPC_INTERRUPT_HDECR     = 0x00200, /* Hypervisor decrementer exception    
*/
+    PPC_INTERRUPT_PIT       = 0x00400, /* Programmable interval timer int.    
*/
+    PPC_INTERRUPT_FIT       = 0x00800, /* Fixed interval timer interrupt      
*/
+    PPC_INTERRUPT_WDT       = 0x01000, /* Watchdog timer interrupt            
*/
+    PPC_INTERRUPT_CDOORBELL = 0x02000, /* Critical doorbell interrupt         
*/
+    PPC_INTERRUPT_DOORBELL  = 0x04000, /* Doorbell interrupt                  
*/
+    PPC_INTERRUPT_PERFM     = 0x08000, /* Performance monitor interrupt       
*/
+    PPC_INTERRUPT_HMI       = 0x10000, /* Hypervisor Maintenance interrupt    
*/
+    PPC_INTERRUPT_HDOORBELL = 0x20000, /* Hypervisor Doorbell interrupt       
*/
+    PPC_INTERRUPT_HVIRT     = 0x40000, /* Hypervisor virtualization interrupt 
*/
+    PPC_INTERRUPT_EBB       = 0x80000, /* Event-based Branch exception        
*/
 };
 
 /* Processor Compatibility mask (PCR) */
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index d1493a660c..850334545a 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -5932,23 +5932,23 @@ static bool cpu_has_work_POWER7(CPUState *cs)
         if (!(cs->interrupt_request & CPU_INTERRUPT_HARD)) {
             return false;
         }
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_EXT)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_EXT) &&
             (env->spr[SPR_LPCR] & LPCR_P7_PECE0)) {
             return true;
         }
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_DECR)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_DECR) &&
             (env->spr[SPR_LPCR] & LPCR_P7_PECE1)) {
             return true;
         }
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_MCK)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_MCK) &&
             (env->spr[SPR_LPCR] & LPCR_P7_PECE2)) {
             return true;
         }
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_HMI)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_HMI) &&
             (env->spr[SPR_LPCR] & LPCR_P7_PECE2)) {
             return true;
         }
-        if (env->pending_interrupts & (1u << PPC_INTERRUPT_RESET)) {
+        if (env->pending_interrupts & PPC_INTERRUPT_RESET) {
             return true;
         }
         return false;
@@ -6096,31 +6096,31 @@ static bool cpu_has_work_POWER8(CPUState *cs)
         if (!(cs->interrupt_request & CPU_INTERRUPT_HARD)) {
             return false;
         }
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_EXT)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_EXT) &&
             (env->spr[SPR_LPCR] & LPCR_P8_PECE2)) {
             return true;
         }
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_DECR)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_DECR) &&
             (env->spr[SPR_LPCR] & LPCR_P8_PECE3)) {
             return true;
         }
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_MCK)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_MCK) &&
             (env->spr[SPR_LPCR] & LPCR_P8_PECE4)) {
             return true;
         }
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_HMI)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_HMI) &&
             (env->spr[SPR_LPCR] & LPCR_P8_PECE4)) {
             return true;
         }
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_DOORBELL)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_DOORBELL) &&
             (env->spr[SPR_LPCR] & LPCR_P8_PECE0)) {
             return true;
         }
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_HDOORBELL)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_HDOORBELL) &&
             (env->spr[SPR_LPCR] & LPCR_P8_PECE1)) {
             return true;
         }
-        if (env->pending_interrupts & (1u << PPC_INTERRUPT_RESET)) {
+        if (env->pending_interrupts & PPC_INTERRUPT_RESET) {
             return true;
         }
         return false;
@@ -6307,7 +6307,7 @@ static bool cpu_has_work_POWER9(CPUState *cs)
             return true;
         }
         /* External Exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_EXT)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_EXT) &&
             (env->spr[SPR_LPCR] & LPCR_EEE)) {
             bool heic = !!(env->spr[SPR_LPCR] & LPCR_HEIC);
             if (!heic || !FIELD_EX64_HV(env->msr) ||
@@ -6316,31 +6316,31 @@ static bool cpu_has_work_POWER9(CPUState *cs)
             }
         }
         /* Decrementer Exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_DECR)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_DECR) &&
             (env->spr[SPR_LPCR] & LPCR_DEE)) {
             return true;
         }
         /* Machine Check or Hypervisor Maintenance Exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_MCK |
-            1u << PPC_INTERRUPT_HMI)) && (env->spr[SPR_LPCR] & LPCR_OEE)) {
+        if ((env->pending_interrupts & (PPC_INTERRUPT_MCK | PPC_INTERRUPT_HMI))
+            && (env->spr[SPR_LPCR] & LPCR_OEE)) {
             return true;
         }
         /* Privileged Doorbell Exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_DOORBELL)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_DOORBELL) &&
             (env->spr[SPR_LPCR] & LPCR_PDEE)) {
             return true;
         }
         /* Hypervisor Doorbell Exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_HDOORBELL)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_HDOORBELL) &&
             (env->spr[SPR_LPCR] & LPCR_HDEE)) {
             return true;
         }
         /* Hypervisor virtualization exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_HVIRT)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_HVIRT) &&
             (env->spr[SPR_LPCR] & LPCR_HVEE)) {
             return true;
         }
-        if (env->pending_interrupts & (1u << PPC_INTERRUPT_RESET)) {
+        if (env->pending_interrupts & PPC_INTERRUPT_RESET) {
             return true;
         }
         return false;
@@ -6524,7 +6524,7 @@ static bool cpu_has_work_POWER10(CPUState *cs)
             return true;
         }
         /* External Exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_EXT)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_EXT) &&
             (env->spr[SPR_LPCR] & LPCR_EEE)) {
             bool heic = !!(env->spr[SPR_LPCR] & LPCR_HEIC);
             if (!heic || !FIELD_EX64_HV(env->msr) ||
@@ -6533,31 +6533,31 @@ static bool cpu_has_work_POWER10(CPUState *cs)
             }
         }
         /* Decrementer Exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_DECR)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_DECR) &&
             (env->spr[SPR_LPCR] & LPCR_DEE)) {
             return true;
         }
         /* Machine Check or Hypervisor Maintenance Exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_MCK |
-            1u << PPC_INTERRUPT_HMI)) && (env->spr[SPR_LPCR] & LPCR_OEE)) {
+        if ((env->pending_interrupts & (PPC_INTERRUPT_MCK | PPC_INTERRUPT_HMI))
+            && (env->spr[SPR_LPCR] & LPCR_OEE)) {
             return true;
         }
         /* Privileged Doorbell Exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_DOORBELL)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_DOORBELL) &&
             (env->spr[SPR_LPCR] & LPCR_PDEE)) {
             return true;
         }
         /* Hypervisor Doorbell Exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_HDOORBELL)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_HDOORBELL) &&
             (env->spr[SPR_LPCR] & LPCR_HDEE)) {
             return true;
         }
         /* Hypervisor virtualization exception */
-        if ((env->pending_interrupts & (1u << PPC_INTERRUPT_HVIRT)) &&
+        if ((env->pending_interrupts & PPC_INTERRUPT_HVIRT) &&
             (env->spr[SPR_LPCR] & LPCR_HVEE)) {
             return true;
         }
-        if (env->pending_interrupts & (1u << PPC_INTERRUPT_RESET)) {
+        if (env->pending_interrupts & PPC_INTERRUPT_RESET) {
             return true;
         }
         return false;
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 7550aafed6..b9476b5d03 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -1683,21 +1683,21 @@ static void ppc_hw_interrupt(CPUPPCState *env)
     bool async_deliver;
 
     /* External reset */
-    if (env->pending_interrupts & (1 << PPC_INTERRUPT_RESET)) {
-        env->pending_interrupts &= ~(1 << PPC_INTERRUPT_RESET);
+    if (env->pending_interrupts & PPC_INTERRUPT_RESET) {
+        env->pending_interrupts &= ~PPC_INTERRUPT_RESET;
         powerpc_excp(cpu, POWERPC_EXCP_RESET);
         return;
     }
     /* Machine check exception */
-    if (env->pending_interrupts & (1 << PPC_INTERRUPT_MCK)) {
-        env->pending_interrupts &= ~(1 << PPC_INTERRUPT_MCK);
+    if (env->pending_interrupts & PPC_INTERRUPT_MCK) {
+        env->pending_interrupts &= ~PPC_INTERRUPT_MCK;
         powerpc_excp(cpu, POWERPC_EXCP_MCHECK);
         return;
     }
 #if 0 /* TODO */
     /* External debug exception */
-    if (env->pending_interrupts & (1 << PPC_INTERRUPT_DEBUG)) {
-        env->pending_interrupts &= ~(1 << PPC_INTERRUPT_DEBUG);
+    if (env->pending_interrupts & PPC_INTERRUPT_DEBUG) {
+        env->pending_interrupts &= ~PPC_INTERRUPT_DEBUG;
         powerpc_excp(cpu, POWERPC_EXCP_DEBUG);
         return;
     }
@@ -1712,19 +1712,19 @@ static void ppc_hw_interrupt(CPUPPCState *env)
     async_deliver = FIELD_EX64(env->msr, MSR, EE) || env->resume_as_sreset;
 
     /* Hypervisor decrementer exception */
-    if (env->pending_interrupts & (1 << PPC_INTERRUPT_HDECR)) {
+    if (env->pending_interrupts & PPC_INTERRUPT_HDECR) {
         /* LPCR will be clear when not supported so this will work */
         bool hdice = !!(env->spr[SPR_LPCR] & LPCR_HDICE);
         if ((async_deliver || !FIELD_EX64_HV(env->msr)) && hdice) {
             /* HDEC clears on delivery */
-            env->pending_interrupts &= ~(1 << PPC_INTERRUPT_HDECR);
+            env->pending_interrupts &= ~PPC_INTERRUPT_HDECR;
             powerpc_excp(cpu, POWERPC_EXCP_HDECR);
             return;
         }
     }
 
     /* Hypervisor virtualization interrupt */
-    if (env->pending_interrupts & (1 << PPC_INTERRUPT_HVIRT)) {
+    if (env->pending_interrupts & PPC_INTERRUPT_HVIRT) {
         /* LPCR will be clear when not supported so this will work */
         bool hvice = !!(env->spr[SPR_LPCR] & LPCR_HVICE);
         if ((async_deliver || !FIELD_EX64_HV(env->msr)) && hvice) {
@@ -1734,7 +1734,7 @@ static void ppc_hw_interrupt(CPUPPCState *env)
     }
 
     /* External interrupt can ignore MSR:EE under some circumstances */
-    if (env->pending_interrupts & (1 << PPC_INTERRUPT_EXT)) {
+    if (env->pending_interrupts & PPC_INTERRUPT_EXT) {
         bool lpes0 = !!(env->spr[SPR_LPCR] & LPCR_LPES0);
         bool heic = !!(env->spr[SPR_LPCR] & LPCR_HEIC);
         /* HEIC blocks delivery to the hypervisor */
@@ -1751,45 +1751,45 @@ static void ppc_hw_interrupt(CPUPPCState *env)
     }
     if (FIELD_EX64(env->msr, MSR, CE)) {
         /* External critical interrupt */
-        if (env->pending_interrupts & (1 << PPC_INTERRUPT_CEXT)) {
+        if (env->pending_interrupts & PPC_INTERRUPT_CEXT) {
             powerpc_excp(cpu, POWERPC_EXCP_CRITICAL);
             return;
         }
     }
     if (async_deliver != 0) {
         /* Watchdog timer on embedded PowerPC */
-        if (env->pending_interrupts & (1 << PPC_INTERRUPT_WDT)) {
-            env->pending_interrupts &= ~(1 << PPC_INTERRUPT_WDT);
+        if (env->pending_interrupts & PPC_INTERRUPT_WDT) {
+            env->pending_interrupts &= ~PPC_INTERRUPT_WDT;
             powerpc_excp(cpu, POWERPC_EXCP_WDT);
             return;
         }
-        if (env->pending_interrupts & (1 << PPC_INTERRUPT_CDOORBELL)) {
-            env->pending_interrupts &= ~(1 << PPC_INTERRUPT_CDOORBELL);
+        if (env->pending_interrupts & PPC_INTERRUPT_CDOORBELL) {
+            env->pending_interrupts &= ~PPC_INTERRUPT_CDOORBELL;
             powerpc_excp(cpu, POWERPC_EXCP_DOORCI);
             return;
         }
         /* Fixed interval timer on embedded PowerPC */
-        if (env->pending_interrupts & (1 << PPC_INTERRUPT_FIT)) {
-            env->pending_interrupts &= ~(1 << PPC_INTERRUPT_FIT);
+        if (env->pending_interrupts & PPC_INTERRUPT_FIT) {
+            env->pending_interrupts &= ~PPC_INTERRUPT_FIT;
             powerpc_excp(cpu, POWERPC_EXCP_FIT);
             return;
         }
         /* Programmable interval timer on embedded PowerPC */
-        if (env->pending_interrupts & (1 << PPC_INTERRUPT_PIT)) {
-            env->pending_interrupts &= ~(1 << PPC_INTERRUPT_PIT);
+        if (env->pending_interrupts & PPC_INTERRUPT_PIT) {
+            env->pending_interrupts &= ~PPC_INTERRUPT_PIT;
             powerpc_excp(cpu, POWERPC_EXCP_PIT);
             return;
         }
         /* Decrementer exception */
-        if (env->pending_interrupts & (1 << PPC_INTERRUPT_DECR)) {
+        if (env->pending_interrupts & PPC_INTERRUPT_DECR) {
             if (ppc_decr_clear_on_delivery(env)) {
-                env->pending_interrupts &= ~(1 << PPC_INTERRUPT_DECR);
+                env->pending_interrupts &= ~PPC_INTERRUPT_DECR;
             }
             powerpc_excp(cpu, POWERPC_EXCP_DECR);
             return;
         }
-        if (env->pending_interrupts & (1 << PPC_INTERRUPT_DOORBELL)) {
-            env->pending_interrupts &= ~(1 << PPC_INTERRUPT_DOORBELL);
+        if (env->pending_interrupts & PPC_INTERRUPT_DOORBELL) {
+            env->pending_interrupts &= ~PPC_INTERRUPT_DOORBELL;
             if (is_book3s_arch2x(env)) {
                 powerpc_excp(cpu, POWERPC_EXCP_SDOOR);
             } else {
@@ -1797,31 +1797,31 @@ static void ppc_hw_interrupt(CPUPPCState *env)
             }
             return;
         }
-        if (env->pending_interrupts & (1 << PPC_INTERRUPT_HDOORBELL)) {
-            env->pending_interrupts &= ~(1 << PPC_INTERRUPT_HDOORBELL);
+        if (env->pending_interrupts & PPC_INTERRUPT_HDOORBELL) {
+            env->pending_interrupts &= ~PPC_INTERRUPT_HDOORBELL;
             powerpc_excp(cpu, POWERPC_EXCP_SDOOR_HV);
             return;
         }
-        if (env->pending_interrupts & (1 << PPC_INTERRUPT_PERFM)) {
-            env->pending_interrupts &= ~(1 << PPC_INTERRUPT_PERFM);
+        if (env->pending_interrupts & PPC_INTERRUPT_PERFM) {
+            env->pending_interrupts &= ~PPC_INTERRUPT_PERFM;
             powerpc_excp(cpu, POWERPC_EXCP_PERFM);
             return;
         }
         /* Thermal interrupt */
-        if (env->pending_interrupts & (1 << PPC_INTERRUPT_THERM)) {
-            env->pending_interrupts &= ~(1 << PPC_INTERRUPT_THERM);
+        if (env->pending_interrupts & PPC_INTERRUPT_THERM) {
+            env->pending_interrupts &= ~PPC_INTERRUPT_THERM;
             powerpc_excp(cpu, POWERPC_EXCP_THERM);
             return;
         }
         /* EBB exception */
-        if (env->pending_interrupts & (1 << PPC_INTERRUPT_EBB)) {
+        if (env->pending_interrupts & PPC_INTERRUPT_EBB) {
             /*
              * EBB exception must be taken in problem state and
              * with BESCR_GE set.
              */
             if (FIELD_EX64(env->msr, MSR, PR) &&
                 (env->spr[SPR_BESCR] & BESCR_GE)) {
-                env->pending_interrupts &= ~(1 << PPC_INTERRUPT_EBB);
+                env->pending_interrupts &= ~PPC_INTERRUPT_EBB;
 
                 if (env->spr[SPR_BESCR] & BESCR_PMEO) {
                     powerpc_excp(cpu, POWERPC_EXCP_PERFM_EBB);
@@ -2098,7 +2098,7 @@ static void do_ebb(CPUPPCState *env, int ebb_excp)
     if (FIELD_EX64(env->msr, MSR, PR)) {
         powerpc_excp(cpu, ebb_excp);
     } else {
-        env->pending_interrupts |= 1 << PPC_INTERRUPT_EBB;
+        env->pending_interrupts |= PPC_INTERRUPT_EBB;
         cpu_interrupt(cs, CPU_INTERRUPT_HARD);
     }
 }
@@ -2209,7 +2209,7 @@ void helper_msgclr(CPUPPCState *env, target_ulong rb)
         return;
     }
 
-    env->pending_interrupts &= ~(1 << irq);
+    env->pending_interrupts &= ~irq;
 }
 
 void helper_msgsnd(target_ulong rb)
@@ -2228,7 +2228,7 @@ void helper_msgsnd(target_ulong rb)
         CPUPPCState *cenv = &cpu->env;
 
         if ((rb & DBELL_BRDCAST) || (cenv->spr[SPR_BOOKE_PIR] == pir)) {
-            cenv->pending_interrupts |= 1 << irq;
+            cenv->pending_interrupts |= irq;
             cpu_interrupt(cs, CPU_INTERRUPT_HARD);
         }
     }
@@ -2253,7 +2253,7 @@ void helper_book3s_msgclr(CPUPPCState *env, target_ulong 
rb)
         return;
     }
 
-    env->pending_interrupts &= ~(1 << PPC_INTERRUPT_HDOORBELL);
+    env->pending_interrupts &= ~PPC_INTERRUPT_HDOORBELL;
 }
 
 static void book3s_msgsnd_common(int pir, int irq)
@@ -2267,7 +2267,7 @@ static void book3s_msgsnd_common(int pir, int irq)
 
         /* TODO: broadcast message to all threads of the same  processor */
         if (cenv->spr_cb[SPR_PIR].default_value == pir) {
-            cenv->pending_interrupts |= 1 << irq;
+            cenv->pending_interrupts |= irq;
             cpu_interrupt(cs, CPU_INTERRUPT_HARD);
         }
     }
@@ -2294,7 +2294,7 @@ void helper_book3s_msgclrp(CPUPPCState *env, target_ulong 
rb)
         return;
     }
 
-    env->pending_interrupts &= ~(1 << PPC_INTERRUPT_DOORBELL);
+    env->pending_interrupts &= ~PPC_INTERRUPT_DOORBELL;
 }
 
 /*
diff --git a/target/ppc/misc_helper.c b/target/ppc/misc_helper.c
index b0a5e7ce76..05e35572bc 100644
--- a/target/ppc/misc_helper.c
+++ b/target/ppc/misc_helper.c
@@ -163,7 +163,7 @@ target_ulong helper_load_dpdes(CPUPPCState *env)
     helper_hfscr_facility_check(env, HFSCR_MSGP, "load DPDES", HFSCR_IC_MSGP);
 
     /* TODO: TCG supports only one thread */
-    if (env->pending_interrupts & (1 << PPC_INTERRUPT_DOORBELL)) {
+    if (env->pending_interrupts & PPC_INTERRUPT_DOORBELL) {
         dpdes = 1;
     }
 
@@ -185,10 +185,10 @@ void helper_store_dpdes(CPUPPCState *env, target_ulong 
val)
     }
 
     if (val & 0x1) {
-        env->pending_interrupts |= 1 << PPC_INTERRUPT_DOORBELL;
+        env->pending_interrupts |= PPC_INTERRUPT_DOORBELL;
         cpu_interrupt(cs, CPU_INTERRUPT_HARD);
     } else {
-        env->pending_interrupts &= ~(1 << PPC_INTERRUPT_DOORBELL);
+        env->pending_interrupts &= ~PPC_INTERRUPT_DOORBELL;
     }
 }
 #endif /* defined(TARGET_PPC64) */
-- 
2.25.1


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