fixup! target/ppc: Make madd instructions work with hardfpu

Author: vcoracolombo

target/ppc/fpu_helper.c

@@ -2282,7 +2282,7 @@ void helper_##op(CPUPPCState *env, ppc_vsr_t *xt,                             \
     for (i = 0; i < nels; i++) {                                              \
         float_status tstat = env->fp_status;                                  \
         set_float_exception_flags(0, &tstat);                                 \
-        if (!(fpscr_mask & FP_FI) && (env->fpscr & FP_FI)) {                  \
+        if (!(fpscr_mask & FP_FI) && (env->fpscr & FP_XX)) {                  \
             tstat.float_exception_flags |= float_flag_inexact;                \
         }                                                                     \
         t.fld = tp##_muladd(s1->fld, s3->fld, s2->fld, maddflgs, &tstat);     \