3 files changed, 7 insertions, 7 deletions

diff --git a/dyn_load.c b/dyn_load.c
index 1cfa7772..dbc145dc 100644
--- a/dyn_load.c
+++ b/dyn_load.c
@@ -819,7 +819,7 @@ GC_INNER void GC_register_dynamic_libraries(void)
         current_sz = needed_sz * 2 + 1;
                         /* Expansion, plus room for 0 record */
         addr_map = (prmap_t *)GC_scratch_alloc(
-                                (word)current_sz * sizeof(prmap_t));
+                                (size_t)current_sz * sizeof(prmap_t));
         if (addr_map == NULL)
           ABORT("Insufficient memory for address map");
     }
diff --git a/headers.c b/headers.c
index c145e4a7..0c258de7 100644
--- a/headers.c
+++ b/headers.c
@@ -170,7 +170,7 @@ static hdr * alloc_hdr(void)
     register hdr * result;
 
     if (hdr_free_list == 0) {
-        result = (hdr *) GC_scratch_alloc((word)(sizeof(hdr)));
+        result = (hdr *)GC_scratch_alloc(sizeof(hdr));
     } else {
         result = hdr_free_list;
         hdr_free_list = (hdr *) (result -> hb_next);
@@ -194,7 +194,7 @@ GC_INNER void GC_init_headers(void)
 {
     register unsigned i;
 
-    GC_all_nils = (bottom_index *)GC_scratch_alloc((word)sizeof(bottom_index));
+    GC_all_nils = (bottom_index *)GC_scratch_alloc(sizeof(bottom_index));
     if (GC_all_nils == NULL) {
       GC_err_printf("Insufficient memory for GC_all_nils\n");
       EXIT();
@@ -224,14 +224,14 @@ static GC_bool get_index(word addr)
           if (p -> key == hi) return(TRUE);
           p = p -> hash_link;
       }
-      r = (bottom_index*)GC_scratch_alloc((word)(sizeof (bottom_index)));
+      r = (bottom_index *)GC_scratch_alloc(sizeof(bottom_index));
       if (r == 0) return(FALSE);
       BZERO(r, sizeof (bottom_index));
       r -> hash_link = old;
       GC_top_index[i] = r;
 #   else
       if (GC_top_index[hi] != GC_all_nils) return(TRUE);
-      r = (bottom_index*)GC_scratch_alloc((word)(sizeof (bottom_index)));
+      r = (bottom_index *)GC_scratch_alloc(sizeof(bottom_index));
       if (r == 0) return(FALSE);
       GC_top_index[hi] = r;
       BZERO(r, sizeof (bottom_index));
diff --git a/os_dep.c b/os_dep.c
index da00232b..6cbd3f17 100644
--- a/os_dep.c
+++ b/os_dep.c
@@ -3555,7 +3555,7 @@ GC_INNER void GC_read_dirty(GC_bool output_unneeded)
 # include <sys/stat.h>
 
 # define INITIAL_BUF_SZ 16384
-  STATIC word GC_proc_buf_size = INITIAL_BUF_SZ;
+  STATIC size_t GC_proc_buf_size = INITIAL_BUF_SZ;
   STATIC char *GC_proc_buf = NULL;
   STATIC int GC_proc_fd = 0;
 
@@ -3596,7 +3596,7 @@ GC_INNER void GC_read_dirty(GC_bool output_unneeded)
     BZERO(GC_grungy_pages, sizeof(GC_grungy_pages));
     if (READ(GC_proc_fd, bufp, GC_proc_buf_size) <= 0) {
         /* Retry with larger buffer.    */
-        word new_size = 2 * GC_proc_buf_size;
+        size_t new_size = 2 * GC_proc_buf_size;
         char *new_buf;
 
         WARN("/proc read failed: GC_proc_buf_size = %" WARN_PRIdPTR "\n",