jscript: Use quiet NaNs in jsval.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=50845Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

jscript: Use quiet NaNs in jsval.
d9a4392d · Jacek Caban · Alexandre Julliard · 73276d79 · d9a4392d
Commit d9a4392d authored Apr 05, 2021 by Jacek Caban Committed by Alexandre Julliard Apr 05, 2021
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Showing with 5 additions and 5 deletions

jsval.h dlls/jscript/jsval.h +5 -5

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--- a/dlls/jscript/jsval.h
+++ b/dlls/jscript/jsval.h
@@ -35,8 +35,8 @@
 #endif
 #ifdef JSVAL_DOUBLE_LAYOUT_PTR32
-/* NaN exponent and our 0x80000 marker */
+/* NaN exponent, quiet bit 0x80000 and our 0x10000 marker */
-#define JSV_VAL(x) (0x7ff80000|x)
+#define JSV_VAL(x) (0x7ff90000|x)
 #else
 #define JSV_VAL(x) x
 #endif
@@ -150,10 +150,10 @@ static inline jsval_t jsval_number(double n)
    if((ret.u.s.tag & 0x7ff00000) == 0x7ff00000) {
        /* isinf */
        if(ret.u.s.tag & 0xfffff) {
-            ret.u.s.tag = 0x7ff00000;
+            ret.u.s.tag = 0x7ff80000;
            ret.u.s.u.as_uintptr = ~0;
        }else if(ret.u.s.u.as_uintptr) {
-            ret.u.s.tag = 0x7ff00000;
+            ret.u.s.tag = 0x7ff80000;
        }
    }
 #else
@@ -191,7 +191,7 @@ static inline BOOL is_string(jsval_t v)
 static inline BOOL is_number(jsval_t v)
 {
 #ifdef JSVAL_DOUBLE_LAYOUT_PTR32
-    return (v.u.s.tag & 0x7ff80000) != 0x7ff80000;
+    return (v.u.s.tag & 0x7ff10000) != 0x7ff10000;
 #else
    return v.type == JSV_NUMBER;
 #endif