diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc
index cc6e06b976..d63cd957a1 100644
--- a/fpu/softfloat-parts.c.inc
+++ b/fpu/softfloat-parts.c.inc
@@ -66,19 +66,20 @@ static FloatPartsN *partsN(pick_nan_muladd)(FloatPartsN *a, FloatPartsN *b,
                                             int ab_mask, int abc_mask)
 {
     int which;
+    bool infzero = (ab_mask == float_cmask_infzero);
 
     if (unlikely(abc_mask & float_cmask_snan)) {
         float_raise(float_flag_invalid | float_flag_invalid_snan, s);
     }
 
-    which = pickNaNMulAdd(a->cls, b->cls, c->cls,
-                          ab_mask == float_cmask_infzero, s);
+    if (infzero) {
+        /* This is (0 * inf) + NaN or (inf * 0) + NaN */
+        float_raise(float_flag_invalid | float_flag_invalid_imz, s);
+    }
+
+    which = pickNaNMulAdd(a->cls, b->cls, c->cls, infzero, s);
 
     if (s->default_nan_mode || which == 3) {
-        /*
-         * Note that this check is after pickNaNMulAdd so that function
-         * has an opportunity to set the Invalid flag for infzero.
-         */
         parts_default_nan(a, s);
         return a;
     }
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index 9bca03c4ae..c557c41b2a 100644
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -480,7 +480,6 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls,
      * the default NaN
      */
     if (infzero && is_qnan(c_cls)) {
-        float_raise(float_flag_invalid | float_flag_invalid_imz, status);
         return 3;
     }
 
@@ -507,7 +506,6 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls,
          * case sets InvalidOp and returns the default NaN
          */
         if (infzero) {
-            float_raise(float_flag_invalid | float_flag_invalid_imz, status);
             return 3;
         }
         /* Prefer sNaN over qNaN, in the a, b, c order. */
@@ -529,10 +527,6 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls,
          * For MIPS systems that conform to IEEE754-2008, the (inf,zero,nan)
          * case sets InvalidOp and returns the input value 'c'
          */
-        if (infzero) {
-            float_raise(float_flag_invalid | float_flag_invalid_imz, status);
-            return 2;
-        }
         /* Prefer sNaN over qNaN, in the c, a, b order. */
         if (is_snan(c_cls)) {
             return 2;
@@ -553,10 +547,7 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls,
      * For LoongArch systems that conform to IEEE754-2008, the (inf,zero,nan)
      * case sets InvalidOp and returns the input value 'c'
      */
-    if (infzero) {
-        float_raise(float_flag_invalid | float_flag_invalid_imz, status);
-        return 2;
-    }
+
     /* Prefer sNaN over qNaN, in the c, a, b order. */
     if (is_snan(c_cls)) {
         return 2;
@@ -576,10 +567,6 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls,
      * to return an input NaN if we have one (ie c) rather than generating
      * a default NaN
      */
-    if (infzero) {
-        float_raise(float_flag_invalid | float_flag_invalid_imz, status);
-        return 2;
-    }
 
     /* If fRA is a NaN return it; otherwise if fRB is a NaN return it;
      * otherwise return fRC. Note that muladd on PPC is (fRA * fRC) + frB
@@ -592,14 +579,9 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls,
         return 1;
     }
 #elif defined(TARGET_RISCV)
-    /* For RISC-V, InvalidOp is set when multiplicands are Inf and zero */
-    if (infzero) {
-        float_raise(float_flag_invalid | float_flag_invalid_imz, status);
-    }
     return 3; /* default NaN */
 #elif defined(TARGET_S390X)
     if (infzero) {
-        float_raise(float_flag_invalid | float_flag_invalid_imz, status);
         return 3;
     }
 
@@ -617,11 +599,6 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls,
         return 2;
     }
 #elif defined(TARGET_SPARC)
-    /* For (inf,0,nan) return c. */
-    if (infzero) {
-        float_raise(float_flag_invalid | float_flag_invalid_imz, status);
-        return 2;
-    }
     /* Prefer SNaN over QNaN, order C, B, A. */
     if (is_snan(c_cls)) {
         return 2;
@@ -641,10 +618,6 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls,
      * For Xtensa, the (inf,zero,nan) case sets InvalidOp and returns
      * an input NaN if we have one (ie c).
      */
-    if (infzero) {
-        float_raise(float_flag_invalid | float_flag_invalid_imz, status);
-        return 2;
-    }
     if (status->use_first_nan) {
         if (is_nan(a_cls)) {
             return 0;