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-rw-r--r--target/arm/helper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index fe054897c7..c2630fa1ea 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1167,7 +1167,7 @@ void pmu_init(ARMCPU *cpu)
if (cnt->supported(&cpu->env)) {
supported_event_map[cnt->number] = i;
- uint64_t event_mask = 1 << (cnt->number & 0x1f);
+ uint64_t event_mask = 1ULL << (cnt->number & 0x1f);
if (cnt->number & 0x20) {
cpu->pmceid1 |= event_mask;
} else {