[aandrejevic] 67853: [FAST486] Fix FIST(P) and FRNDINT.

Author: aandrejevic
Date: Fri May 22 23:09:13 2015
New Revision: 67853

URL: http://svn.reactos.org/svn/reactos?rev=67853&view=rev
Log:
[FAST486]
Fix FIST(P) and FRNDINT.


Modified:
    trunk/reactos/lib/fast486/fpu.c

Modified: trunk/reactos/lib/fast486/fpu.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fast486/fpu.c?rev=6785…
==============================================================================
--- trunk/reactos/lib/fast486/fpu.c	[iso-8859-1] (original)
+++ trunk/reactos/lib/fast486/fpu.c	[iso-8859-1] Fri May 22 23:09:13 2015
@@ -2086,7 +2086,7 @@
                 /* Round the result to an integer, towards zero */
                 if (FPU_ST(0).Exponent < FPU_REAL10_BIAS + 63)
                 {
-                    State->FpuControl.Rc = FPU_ROUND_DOWN;
+                    State->FpuControl.Rc = FPU_ROUND_TRUNCATE;
 
                     if (Fast486FpuToInteger(State, &Temp, &Integer))
                     {
@@ -2543,7 +2543,7 @@
                 }
 
                 /* Check if it can fit in a signed 32-bit integer */
-                if ((((ULONGLONG)Temp >> 31) + 1ULL) > 1ULL)
+                if ((LONGLONG)((LONG)Temp) != Temp)
                 {
                     State->FpuStatus.Ie = TRUE;
 
@@ -3240,7 +3240,7 @@
                 }
 
                 /* Check if it can fit in a signed 16-bit integer */
-                if ((((ULONGLONG)Temp >> 15) + 1ULL) > 1ULL)
+                if ((LONGLONG)((SHORT)Temp) != Temp)
                 {
                     /* Raise the invalid operation exception */
                     State->FpuStatus.Ie = TRUE;