2008-06-15 Mark Shinwell <shinwell@codesourcery.com>

[pf3gnuchains/gcc-fork.git] / gcc / libgcc2.c

diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c
index 5351a3b..5a82f82 100644 (file)
--- a/gcc/libgcc2.c
+++ b/gcc/libgcc2.c
@@ -84,7 +84,7 @@ __negdi2 (DWtype u)
 Wtype
 __addvSI3 (Wtype a, Wtype b)
 {
-  const Wtype w = a + b;
+  const Wtype w = (UWtype) a + (UWtype) b;
 
   if (b >= 0 ? w < a : w > a)
     abort ();
@@ -95,7 +95,7 @@ __addvSI3 (Wtype a, Wtype b)
 SItype
 __addvsi3 (SItype a, SItype b)
 {
-  const SItype w = a + b;
+  const SItype w = (USItype) a + (USItype) b;
 
   if (b >= 0 ? w < a : w > a)
     abort ();
@@ -109,7 +109,7 @@ __addvsi3 (SItype a, SItype b)
 DWtype
 __addvDI3 (DWtype a, DWtype b)
 {
-  const DWtype w = a + b;
+  const DWtype w = (UDWtype) a + (UDWtype) b;
 
   if (b >= 0 ? w < a : w > a)
     abort ();
@@ -122,7 +122,7 @@ __addvDI3 (DWtype a, DWtype b)
 Wtype
 __subvSI3 (Wtype a, Wtype b)
 {
-  const Wtype w = a - b;
+  const Wtype w = (UWtype) a - (UWtype) b;
 
   if (b >= 0 ? w > a : w < a)
     abort ();
@@ -133,7 +133,7 @@ __subvSI3 (Wtype a, Wtype b)
 SItype
 __subvsi3 (SItype a, SItype b)
 {
-  const SItype w = a - b;
+  const SItype w = (USItype) a - (USItype) b;
 
   if (b >= 0 ? w > a : w < a)
     abort ();
@@ -147,7 +147,7 @@ __subvsi3 (SItype a, SItype b)
 DWtype
 __subvDI3 (DWtype a, DWtype b)
 {
-  const DWtype w = a - b;
+  const DWtype w = (UDWtype) a - (UDWtype) b;
 
   if (b >= 0 ? w > a : w < a)
     abort ();
@@ -187,7 +187,7 @@ __mulvsi3 (SItype a, SItype b)
 Wtype
 __negvSI2 (Wtype a)
 {
-  const Wtype w = -a;
+  const Wtype w = -(UWtype) a;
 
   if (a >= 0 ? w > 0 : w < 0)
     abort ();
@@ -198,7 +198,7 @@ __negvSI2 (Wtype a)
 SItype
 __negvsi2 (SItype a)
 {
-  const SItype w = -a;
+  const SItype w = -(USItype) a;
 
   if (a >= 0 ? w > 0 : w < 0)
     abort ();
@@ -212,7 +212,7 @@ __negvsi2 (SItype a)
 DWtype
 __negvDI2 (DWtype a)
 {
-  const DWtype w = -a;
+  const DWtype w = -(UDWtype) a;
 
   if (a >= 0 ? w > 0 : w < 0)
     abort ();
@@ -231,7 +231,7 @@ __absvSI2 (Wtype a)
 #ifdef L_negvsi2
     w = __negvSI2 (a);
 #else
-    w = -a;
+    w = -(UWtype) a;
 
   if (w < 0)
     abort ();
@@ -249,7 +249,7 @@ __absvsi2 (SItype a)
 #ifdef L_negvsi2
     w = __negvsi2 (a);
 #else
-    w = -a;
+    w = -(USItype) a;
 
   if (w < 0)
     abort ();
@@ -270,7 +270,7 @@ __absvDI2 (DWtype a)
 #ifdef L_negvdi2
     w = __negvDI2 (a);
 #else
-    w = -a;
+    w = -(UDWtype) a;
 
   if (w < 0)
     abort ();
@@ -1184,7 +1184,7 @@ __ucmpdi2 (DWtype a, DWtype b)
 #endif
 \f
 #if defined(L_fixunstfdi) && LIBGCC2_HAS_TF_MODE
-DWtype
+UDWtype
 __fixunstfDI (TFtype a)
 {
   if (a < 0)
@@ -1220,7 +1220,7 @@ __fixtfdi (TFtype a)
 #endif
 
 #if defined(L_fixunsxfdi) && LIBGCC2_HAS_XF_MODE
-DWtype
+UDWtype
 __fixunsxfDI (XFtype a)
 {
   if (a < 0)
@@ -1256,7 +1256,7 @@ __fixxfdi (XFtype a)
 #endif
 
 #if defined(L_fixunsdfdi) && LIBGCC2_HAS_DF_MODE
-DWtype
+UDWtype
 __fixunsdfDI (DFtype a)
 {
   /* Get high part of result.  The division here will just moves the radix
@@ -1285,7 +1285,7 @@ __fixdfdi (DFtype a)
 #endif
 
 #if defined(L_fixunssfdi) && LIBGCC2_HAS_SF_MODE
-DWtype
+UDWtype
 __fixunssfDI (SFtype a)
 {
 #if LIBGCC2_HAS_DF_MODE
@@ -2046,7 +2046,7 @@ __enable_execute_stack (void *addr __attribute__((__unused__)))
 
 /* Jump to a trampoline, loading the static chain address.  */
 
-#if defined(WINNT) && ! defined(__CYGWIN__) && ! defined (_UWIN)
+#if defined(WINNT) && ! defined(__CYGWIN__)
 
 int
 getpagesize (void)
@@ -2058,10 +2058,6 @@ getpagesize (void)
 #endif
 }
 
-#ifdef __i386__
-extern int VirtualProtect (char *, int, int, int *) __attribute__((stdcall));
-#endif
-
 int
 mprotect (char *addr, int len, int prot)
 {
@@ -2086,7 +2082,7 @@ mprotect (char *addr, int len, int prot)
     return -1;
 }
 
-#endif /* WINNT && ! __CYGWIN__ && ! _UWIN */
+#endif /* WINNT && ! __CYGWIN__ */
 
 #ifdef TRANSFER_FROM_TRAMPOLINE
 TRANSFER_FROM_TRAMPOLINE