* boehm.c (set_bit): Improve type safety wrt unsignedness.

[pf3gnuchains/gcc-fork.git] / gcc / java / jcf-write.c

diff --git a/gcc/java/jcf-write.c b/gcc/java/jcf-write.c
index a73b7be..d775a81 100644 (file)
--- a/gcc/java/jcf-write.c
+++ b/gcc/java/jcf-write.c
@@ -772,7 +772,8 @@ static int
 find_constant_wide (HOST_WIDE_INT lo, HOST_WIDE_INT hi,
                    struct jcf_partial *state)
 {
-  HOST_WIDE_INT w1, w2;
+  unsigned HOST_WIDE_INT w1;
+  HOST_WIDE_INT w2;
   lshift_double (lo, hi, -32, 64, &w1, &w2, 1);
   return find_constant2 (&state->cpool, CONSTANT_Long,
                         (jword)(w1 & 0xFFFFFFFF), (jword)(lo & 0xFFFFFFFF));
@@ -822,7 +823,8 @@ find_constant_index (tree value, struct jcf_partial *state)
 static void
 push_long_const (HOST_WIDE_INT lo, HOST_WIDE_INT hi, struct jcf_partial *state)
 {
-  HOST_WIDE_INT highpart, dummy;
+  unsigned HOST_WIDE_INT highpart;
+  HOST_WIDE_INT dummy;
   jint lowpart = WORD_TO_INT (lo);
 
   rshift_double (lo, hi, 32, 64, &highpart, &dummy, 1);
@@ -833,7 +835,8 @@ push_long_const (HOST_WIDE_INT lo, HOST_WIDE_INT hi, struct jcf_partial *state)
       OP1(OPCODE_lconst_0 + lowpart);
     }
   else if ((highpart == 0 && lowpart > 0 && lowpart < 32768) 
-          || (highpart == -1 && lowpart < 0 && lowpart >= -32768))
+          || (highpart == (unsigned HOST_WIDE_INT)-1
+              && lowpart < 0 && lowpart >= -32768))
       {
         push_int_const (lowpart, state);
         RESERVE (1);
@@ -2929,11 +2932,11 @@ generate_classfile (tree clas, struct jcf_partial *state)
 {
   struct chunk *cpool_chunk;
   const char *source_file, *s;
-  char *ptr;
+  unsigned char *ptr;
   int i;
-  char *fields_count_ptr;
+  unsigned char *fields_count_ptr;
   int fields_count = 0;
-  char *methods_count_ptr;
+  unsigned char *methods_count_ptr;
   int methods_count = 0;
   tree part;
   int total_supers
@@ -3079,7 +3082,7 @@ generate_classfile (tree clas, struct jcf_partial *state)
          int code_attributes_count = 0;
          static tree Code_node = NULL_TREE;
          tree t;
-         char *attr_len_ptr;
+         unsigned char *attr_len_ptr;
          struct jcf_handler *handler;
          if (Code_node == NULL_TREE)
            Code_node = get_identifier ("Code");