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-rw-r--r--target-alpha/helper.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/target-alpha/helper.c b/target-alpha/helper.c
index 46335cdf9c..9a039cb96b 100644
--- a/target-alpha/helper.c
+++ b/target-alpha/helper.c
@@ -466,6 +466,7 @@ int cpu_alpha_mtpr (CPUState *env, int iprn, uint64_t val, uint64_t *oldvalp)
env->ipr[IPR_SYSPTBR] = val;
else
ret = -1;
+ break;
case IPR_TBCHK:
/* Read-only */
ret = -1;