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-rw-r--r--target-ppc/mem_helper.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/target-ppc/mem_helper.c b/target-ppc/mem_helper.c
index 581d9faa23..6d584c9126 100644
--- a/target-ppc/mem_helper.c
+++ b/target-ppc/mem_helper.c
@@ -102,8 +102,9 @@ void helper_lswx(CPUPPCState *env, target_ulong addr, uint32_t reg,
{
if (likely(xer_bc != 0)) {
int num_used_regs = (xer_bc + 3) / 4;
- if (unlikely((ra != 0 && reg < ra && (reg + num_used_regs) > ra) ||
- (reg < rb && (reg + num_used_regs) > rb))) {
+ if (unlikely((ra != 0 && lsw_reg_in_range(reg, num_used_regs, ra)) ||
+ lsw_reg_in_range(reg, num_used_regs, rb))) {
+ env->nip += 4; /* Compensate the "nip - 4" from gen_lswx() */
helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL |
POWERPC_EXCP_INVAL_LSWX);