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-rw-r--r--target/ppc/helper_regs.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c
index fe543ab3b8..7b23e5ef0e 100644
--- a/target/ppc/helper_regs.c
+++ b/target/ppc/helper_regs.c
@@ -83,15 +83,16 @@ static bool hreg_check_bhrb_enable(CPUPPCState *env)
 static uint32_t hreg_compute_pmu_hflags_value(CPUPPCState *env)
 {
     uint32_t hflags = 0;
-
 #if defined(TARGET_PPC64)
-    if (env->spr[SPR_POWER_MMCR0] & MMCR0_PMCC0) {
+    target_ulong mmcr0 = env->spr[SPR_POWER_MMCR0];
+
+    if (mmcr0 & MMCR0_PMCC0) {
         hflags |= 1 << HFLAGS_PMCC0;
     }
-    if (env->spr[SPR_POWER_MMCR0] & MMCR0_PMCC1) {
+    if (mmcr0 & MMCR0_PMCC1) {
         hflags |= 1 << HFLAGS_PMCC1;
     }
-    if (env->spr[SPR_POWER_MMCR0] & MMCR0_PMCjCE) {
+    if (mmcr0 & MMCR0_PMCjCE) {
         hflags |= 1 << HFLAGS_PMCJCE;
     }
     if (hreg_check_bhrb_enable(env)) {