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-rw-r--r--target/ppc/fpu_helper.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index 7714bfe0f9..8675d931b6 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -274,6 +274,7 @@ static inline void float_inexact_excp(CPUPPCState *env)
{
CPUState *cs = CPU(ppc_env_get_cpu(env));
+ env->fpscr |= 1 << FPSCR_FI;
env->fpscr |= 1 << FPSCR_XX;
/* Update the floating-point exception summary */
env->fpscr |= FP_FX;
@@ -533,6 +534,7 @@ static void do_float_check_status(CPUPPCState *env, uintptr_t raddr)
{
CPUState *cs = CPU(ppc_env_get_cpu(env));
int status = get_float_exception_flags(&env->fp_status);
+ bool inexact_happened = false;
if (status & float_flag_divbyzero) {
float_zero_divide_excp(env, raddr);
@@ -542,6 +544,12 @@ static void do_float_check_status(CPUPPCState *env, uintptr_t raddr)
float_underflow_excp(env);
} else if (status & float_flag_inexact) {
float_inexact_excp(env);
+ inexact_happened = true;
+ }
+
+ /* if the inexact flag was not set */
+ if (inexact_happened == false) {
+ env->fpscr &= ~(1 << FPSCR_FI); /* clear the FPSCR[FI] bit */
}
if (cs->exception_index == POWERPC_EXCP_PROGRAM &&