Warning fixes:

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

diff --git a/gcc/c-lex.c b/gcc/c-lex.c
index 6e56a3f..ec1386a 100644 (file)
--- a/gcc/c-lex.c
+++ b/gcc/c-lex.c
@@ -950,7 +950,7 @@ readescape (ignore_ptr)
        ;
       else if ((count - 1) * 4 >= TYPE_PRECISION (integer_type_node)
               || (count > 1
-                  && ((1 << (TYPE_PRECISION (integer_type_node) - (count - 1) * 4))
+                  && (((unsigned)1 << (TYPE_PRECISION (integer_type_node) - (count - 1) * 4))
                       <= firstdig)))
        pedwarn ("hex escape out of range");
       return code;
@@ -1848,7 +1848,7 @@ yylex ()
                if (ignore)
                  goto tryagain;
                if (width < HOST_BITS_PER_INT
-                   && (unsigned) c >= (1 << width))
+                   && (unsigned) c >= ((unsigned)1 << width))
                  pedwarn ("escape sequence out of range for character");
 #ifdef MAP_CHARACTER
                if (ISPRINT (c))
@@ -2003,7 +2003,7 @@ yylex ()
                if (ignore)
                  goto skipnewline;
                if (width < HOST_BITS_PER_INT
-                   && (unsigned) c >= (1 << width))
+                   && (unsigned) c >= ((unsigned)1 << width))
                  pedwarn ("escape sequence out of range for character");
              }
            else if (c == '\n')
@@ -2063,7 +2063,7 @@ yylex ()
                for (byte = 0; byte < WCHAR_BYTES; ++byte)
                  {
                    int value;
-                   if (byte >= sizeof (c))
+                   if (byte >= (int) sizeof (c))
                      value = 0;
                    else
                      value = (c >> (byte * width)) & bytemask;