handle correctly zero case, no need to raise 'inexact' exception

bochs-emu · Nov 12, 2024 · 3ee35f1 · 3ee35f1
1 parent 961372d
commit 3ee35f1
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/bochs/cpu/softfloat3e/f16_to_i8_r_minMag.c b/bochs/cpu/softfloat3e/f16_to_i8_r_minMag.c
@@ -52,8 +52,13 @@ int8_t f16_to_i8_r_minMag(float16 a, bool exact, bool saturate, struct softfloat
     sign = signF16UI(a);
     exp  = expF16UI(a);
     sig = fracF16UI(a);
-    if (softfloat_denormalsAreZeros(status)) {
-        if (!exp && sig) return 0;
+    /*------------------------------------------------------------------------
+    *------------------------------------------------------------------------*/
+    if (exp < 0xF) {
+        if (exact && (exp | sig)) {
+            softfloat_raiseFlags(status, softfloat_flag_inexact);
+        }
+        return 0;
     }
     /*------------------------------------------------------------------------
     *------------------------------------------------------------------------*/