Add support for uint64_t <-> FP conversions to x64 backend.

2011-01-02 18:24:31 +01:00
parent ddfa7fc246
commit 0005b2c2b9
2 changed files with 35 additions and 17 deletions
--- a/src/lj_obj.h
+++ b/src/lj_obj.h
@@ -767,8 +767,7 @@ static LJ_AINLINE uint64_t lj_num2u64(lua_Number n)
 {
 #ifdef _MSC_VER
  if (n >= 9223372036854775808.0)  /* They think it's a feature. */
-    return (uint64_t)(int64_t)(n - 9223372036854775808.0) +
-	   U64x(80000000,00000000);
+    return (uint64_t)(int64_t)(n - 18446744073709551616.0);
  else
 #endif
    return (uint64_t)n;