Revert "fix warnings from Intel compiler"

This reverts commit 8b9338ab57eec0cc8fa5a36c44d7b28e52e9a466.

27 files changed, 44 insertions, 43 deletions

diff --git a/src/H5Aint.c b/src/H5Aint.c
index 2a0c782..2b43a64 100644
--- a/src/H5Aint.c
+++ b/src/H5Aint.c
@@ -2026,7 +2026,7 @@ H5A__set_version(const H5F_t *f, H5A_t *attr)
         version = H5O_ATTR_VERSION_1;   /* Write out basic version */
 
     /* Upgrade to the version indicated by the file's low bound if higher */
-    version = (uint8_t)MAX(version, (uint8_t)H5O_attr_ver_bounds[H5F_LOW_BOUND(f)]);
+    version = MAX(version, (uint8_t)H5O_attr_ver_bounds[H5F_LOW_BOUND(f)]);
 
     /* Version bounds check */
     if(version > H5O_attr_ver_bounds[H5F_HIGH_BOUND(f)])
diff --git a/src/H5B2cache.c b/src/H5B2cache.c
index 09bb389..2a77bd5 100644
--- a/src/H5B2cache.c
+++ b/src/H5B2cache.c
@@ -398,7 +398,7 @@ H5B2__cache_hdr_serialize(const H5F_t *f, void *_image, size_t H5_ATTR_UNUSED le
     *image++ = H5B2_HDR_VERSION;
 
     /* B-tree type */
-    *image++ = (uint8_t)hdr->cls->id;
+    *image++ = hdr->cls->id;
 
     /* Node size (in bytes) */
     UINT32ENCODE(image, hdr->node_size);
@@ -818,7 +818,7 @@ H5B2__cache_int_serialize(const H5F_t *f, void *_image, size_t H5_ATTR_UNUSED le
     *image++ = H5B2_INT_VERSION;
 
     /* B-tree type */
-    *image++ = (uint8_t)internal->hdr->cls->id;
+    *image++ = internal->hdr->cls->id;
     HDassert((size_t)(image - (uint8_t *)_image) == (H5B2_INT_PREFIX_SIZE - H5B2_SIZEOF_CHKSUM));
 
     /* Serialize records for internal node */
@@ -1219,7 +1219,7 @@ H5B2__cache_leaf_serialize(const H5F_t H5_ATTR_UNUSED *f, void *_image, size_t H
     *image++ = H5B2_LEAF_VERSION;
 
     /* B-tree type */
-    *image++ = (uint8_t)leaf->hdr->cls->id;
+    *image++ = leaf->hdr->cls->id;
     HDassert((size_t)(image - (uint8_t *)_image) == (H5B2_LEAF_PREFIX_SIZE - H5B2_SIZEOF_CHKSUM));
 
     /* Serialize records for leaf node */
diff --git a/src/H5B2int.c b/src/H5B2int.c
index ea03ed6..2d77276 100644
--- a/src/H5B2int.c
+++ b/src/H5B2int.c
@@ -239,7 +239,7 @@ H5B2__split1(H5B2_hdr_t *hdr, uint16_t depth, H5B2_node_ptr_t *curr_node_ptr,
     old_node_nrec = internal->node_ptrs[idx].node_nrec;
 
     /* Determine "middle" record to promote to internal node */
-    mid_record = (uint16_t)(old_node_nrec / 2);
+    mid_record = old_node_nrec / 2;
 
     /* Copy "upper half" of records to new child */
     H5MM_memcpy(H5B2_NAT_NREC(right_native, hdr, 0),
@@ -507,8 +507,8 @@ H5B2__redistribute2(H5B2_hdr_t *hdr, uint16_t depth, H5B2_internal_t *internal,
     if(*left_nrec < *right_nrec) {
         /* Moving record from right node to left */
 
-        uint16_t new_right_nrec = (uint16_t)((*left_nrec + *right_nrec) / 2);    /* New number of records for right child */
-        uint16_t move_nrec = (uint16_t)(*right_nrec - new_right_nrec);           /* Number of records to move from right node to left */
+        uint16_t new_right_nrec = (uint16_t)(*left_nrec + *right_nrec) / 2;             /* New number of records for right child */
+        uint16_t move_nrec = (uint16_t)(*right_nrec - new_right_nrec);      /* Number of records to move from right node to left */
 
         /* Copy record from parent node down into left child */
         H5MM_memcpy(H5B2_NAT_NREC(left_native, hdr, *left_nrec), H5B2_INT_NREC(internal, hdr, idx), hdr->cls->nrec_size);
@@ -558,8 +558,8 @@ H5B2__redistribute2(H5B2_hdr_t *hdr, uint16_t depth, H5B2_internal_t *internal,
     else {
         /* Moving record from left node to right */
 
-        uint16_t new_left_nrec = (uint16_t)((*left_nrec + *right_nrec) / 2);    /* New number of records for left child */
-        uint16_t move_nrec = (uint16_t)(*left_nrec - new_left_nrec);            /* Number of records to move from left node to right */
+        uint16_t new_left_nrec = (uint16_t)(*left_nrec + *right_nrec) / 2;    /* New number of records for left child */
+        uint16_t move_nrec = (uint16_t)(*left_nrec - new_left_nrec);        /* Number of records to move from left node to right */
 
         /* Sanity check */
         HDassert(*left_nrec > *right_nrec);
@@ -762,8 +762,8 @@ H5B2__redistribute3(H5B2_hdr_t *hdr, uint16_t depth, H5B2_internal_t *internal,
     {
         /* Compute new # of records in each node */
         unsigned total_nrec = (unsigned)(*left_nrec + *middle_nrec + *right_nrec + 2);
-        uint16_t new_middle_nrec = (uint16_t)((total_nrec - 2) / 3);
-        uint16_t new_left_nrec = (uint16_t)(((total_nrec - 2) - new_middle_nrec) / 2);
+        uint16_t new_middle_nrec = (uint16_t)(total_nrec - 2) / 3;
+        uint16_t new_left_nrec = (uint16_t)((total_nrec - 2) - new_middle_nrec) / 2;
         uint16_t new_right_nrec = (uint16_t)((total_nrec - 2) - (unsigned)(new_left_nrec + new_middle_nrec));
         uint16_t curr_middle_nrec = *middle_nrec;
 
diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c
index ecb0f9c..53ca7d1 100644
--- a/src/H5Dchunk.c
+++ b/src/H5Dchunk.c
@@ -2193,7 +2193,7 @@ H5D__create_chunk_mem_map_1d(const H5D_chunk_map_t *fm)
 
             schunk_points = H5S_GET_SELECT_NPOINTS(chunk_info->fspace);
 
-            if(H5S_select_hyperslab(chunk_info->mspace, H5S_SELECT_SET, mem_sel_start, NULL, &tmp_count, &(const hsize_t)schunk_points) < 0)
+            if(H5S_select_hyperslab(chunk_info->mspace, H5S_SELECT_SET, mem_sel_start, NULL, &tmp_count, &schunk_points) < 0)
                 HGOTO_ERROR(H5E_DATASET, H5E_CANTSELECT, FAIL, "can't create chunk memory selection")
 
             mem_sel_start[0] += schunk_points;
@@ -5676,6 +5676,7 @@ H5D__chunk_addrmap_cb(const H5D_chunk_rec_t *chunk_rec, void *_udata)
     /* Set it in the userdata to return */
     udata->chunk_addr[chunk_index] = chunk_rec->chunk_addr;
 
+done:
     FUNC_LEAVE_NOAPI(ret_value)
 } /* H5D__chunk_addrmap_cb() */
 
diff --git a/src/H5Dint.c b/src/H5Dint.c
index bd87c7f..772a150 100644
--- a/src/H5Dint.c
+++ b/src/H5Dint.c
@@ -2197,7 +2197,7 @@ H5D_nameof(const H5D_t *dataset)
     /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
     FUNC_ENTER_NOAPI_NOINIT_NOERR
 
-    FUNC_LEAVE_NOAPI((H5G_name_t *)(dataset ? &(dataset->path) : NULL))
+    FUNC_LEAVE_NOAPI(dataset ? &(dataset->path) : NULL)
 } /* end H5D_nameof() */
 
 
diff --git a/src/H5EAcache.c b/src/H5EAcache.c
index 7b1968e..da67e6b 100644
--- a/src/H5EAcache.c
+++ b/src/H5EAcache.c
@@ -487,7 +487,7 @@ H5EA__cache_hdr_serialize(const H5F_t *f, void *_image, size_t H5_ATTR_UNUSED le
     *image++ = H5EA_HDR_VERSION;
 
     /* Extensible array type */
-    *image++ = (uint8_t)hdr->cparam.cls->id;
+    *image++ = hdr->cparam.cls->id;
 
     /* General array creation/configuration information */
     *image++ = hdr->cparam.raw_elmt_size;          /* Element size in file (in bytes) */
@@ -875,7 +875,7 @@ H5EA__cache_iblock_serialize(const H5F_t *f, void *_image, size_t H5_ATTR_UNUSED
     *image++ = H5EA_IBLOCK_VERSION;
 
     /* Extensible array type */
-    *image++ = (uint8_t)iblock->hdr->cparam.cls->id;
+    *image++ = iblock->hdr->cparam.cls->id;
 
     /* Address of array header for array which owns this block */
     H5F_addr_encode(f, &image, iblock->hdr->addr);
@@ -1284,7 +1284,7 @@ H5EA__cache_sblock_serialize(const H5F_t *f, void *_image, size_t H5_ATTR_UNUSED
     *image++ = H5EA_SBLOCK_VERSION;
 
     /* Extensible array type */
-    *image++ = (uint8_t)sblock->hdr->cparam.cls->id;
+    *image++ = sblock->hdr->cparam.cls->id;
 
     /* Address of array header for array which owns this block */
     H5F_addr_encode(f, &image, sblock->hdr->addr);
@@ -1698,7 +1698,7 @@ H5EA__cache_dblock_serialize(const H5F_t *f, void *_image, size_t H5_ATTR_UNUSED
     *image++ = H5EA_DBLOCK_VERSION;
 
     /* Extensible array type */
-    *image++ = (uint8_t)dblock->hdr->cparam.cls->id;
+    *image++ = dblock->hdr->cparam.cls->id;
 
     /* Address of array header for array which owns this block */
     H5F_addr_encode(f, &image, dblock->hdr->addr);
diff --git a/src/H5FAcache.c b/src/H5FAcache.c
index e142ae2..f440efe 100644
--- a/src/H5FAcache.c
+++ b/src/H5FAcache.c
@@ -417,7 +417,7 @@ H5FA__cache_hdr_serialize(const H5F_t *f, void *_image, size_t H5_ATTR_UNUSED le
     *image++ = H5FA_HDR_VERSION;
 
     /* Fixed array type */
-    *image++ = (uint8_t)hdr->cparam.cls->id;
+    *image++ = hdr->cparam.cls->id;
 
     /* General array creation/configuration information */
     *image++ = hdr->cparam.raw_elmt_size;          /* Element size in file (in bytes) */
@@ -805,7 +805,7 @@ H5FA__cache_dblock_serialize(const H5F_t *f, void *_image, size_t H5_ATTR_UNUSED
     *image++ = H5FA_DBLOCK_VERSION;
 
     /* Fixed array type */
-    *image++ = (uint8_t)dblock->hdr->cparam.cls->id;
+    *image++ = dblock->hdr->cparam.cls->id;
 
     /* Address of array header for array which owns this block */
     H5F_addr_encode(f, &image, dblock->hdr->addr);
diff --git a/src/H5FScache.c b/src/H5FScache.c
index fbdada2..b520458 100644
--- a/src/H5FScache.c
+++ b/src/H5FScache.c
@@ -735,7 +735,7 @@ H5FS__cache_hdr_serialize(const H5F_t *f, void *_image, size_t len,
     *image++ = H5FS_HDR_VERSION;
 
     /* Client ID */
-    *image++ = (uint8_t)fspace->client;
+    *image++ = fspace->client;
 
     /* Total space tracked */
     H5F_ENCODE_LENGTH(f, image, fspace->tot_space);
diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h
index 9ad33b2..c9a1b25 100644
--- a/src/H5Fprivate.h
+++ b/src/H5Fprivate.h
@@ -93,7 +93,7 @@ typedef struct H5F_t H5F_t;
    for (_i = 0; _i < sizeof(int64_t); _i++, _n >>= 8)                  \
       *_p++ = (uint8_t)(_n & 0xff);                          \
    for (/*void*/; _i < 8; _i++)                              \
-      *_p++ = (uint8_t)((n) < 0 ? 0xff : 0);                          \
+      *_p++ = (n) < 0 ? 0xff : 0;                          \
    (p) = (uint8_t*)(p)+8;                              \
 }
 
@@ -184,7 +184,7 @@ typedef struct H5F_t H5F_t;
    n = 0;                                      \
    (p) += l;                                      \
    for (_i = 0; _i < l; _i++)                              \
-      n = (uint16_t)((n << 8) | *(--p));                              \
+      n = (n << 8) | *(--p);                              \
    (p) += l;                                      \
 }
 
diff --git a/src/H5Gint.c b/src/H5Gint.c
index c7ac1d1..049c696 100644
--- a/src/H5Gint.c
+++ b/src/H5Gint.c
@@ -583,7 +583,7 @@ H5G_nameof(const H5G_t *grp)
     /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */
     FUNC_ENTER_NOAPI_NOINIT_NOERR
 
-    FUNC_LEAVE_NOAPI((H5G_name_t *)(grp ? &(grp->path) : NULL))
+    FUNC_LEAVE_NOAPI(grp ? &(grp->path) : NULL)
 } /* end H5G_nameof() */
 
 
diff --git a/src/H5HFtest.c b/src/H5HFtest.c
index 9eb8ed2..6f174bb 100644
--- a/src/H5HFtest.c
+++ b/src/H5HFtest.c
@@ -481,7 +481,7 @@ H5HF_get_id_type_test(const void *_id, unsigned char *obj_type)
     HDassert(obj_type);
 
     /* Get the type for a heap ID */
-    *obj_type = (unsigned char)(*id & H5HF_ID_TYPE_MASK);
+    *obj_type = *id & H5HF_ID_TYPE_MASK;
 
     FUNC_LEAVE_NOAPI(SUCCEED)
 } /* H5HF_get_id_type_test() */
diff --git a/src/H5Oainfo.c b/src/H5Oainfo.c
index 23aba09..7f4f17f 100644
--- a/src/H5Oainfo.c
+++ b/src/H5Oainfo.c
@@ -194,7 +194,7 @@ H5O_ainfo_encode(H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p, co
     *p++ = H5O_AINFO_VERSION;
 
     /* The flags for the attribute indices */
-    flags = (unsigned char)(ainfo->track_corder ? H5O_AINFO_TRACK_CORDER : 0);
+    flags = ainfo->track_corder ? H5O_AINFO_TRACK_CORDER : 0;
     flags = (unsigned char)(flags | (ainfo->index_corder ? H5O_AINFO_INDEX_CORDER : 0));
     *p++ = flags;
 
diff --git a/src/H5Oattr.c b/src/H5Oattr.c
index b7d4dd5..f685a00c 100644
--- a/src/H5Oattr.c
+++ b/src/H5Oattr.c
@@ -329,7 +329,7 @@ H5O_attr_encode(H5F_t *f, uint8_t *p, const void *mesg)
 
     /* The character encoding for the attribute's name, in later versions */
     if(attr->shared->version >= H5O_ATTR_VERSION_3)
-        *p++ = (uint8_t)attr->shared->encoding;
+        *p++ = attr->shared->encoding;
 
     /* Write the name including null terminator */
     H5MM_memcpy(p, attr->shared->name, name_len);
diff --git a/src/H5Ofill.c b/src/H5Ofill.c
index cb75bc3..0cc58a6 100644
--- a/src/H5Ofill.c
+++ b/src/H5Ofill.c
@@ -408,10 +408,10 @@ H5O_fill_new_encode(H5F_t H5_ATTR_UNUSED *f, uint8_t *p, const void *_fill)
 
     if(fill->version < H5O_FILL_VERSION_3) {
         /* Space allocation time */
-        *p++ = (uint8_t)fill->alloc_time;
+        *p++ = fill->alloc_time;
 
         /* Fill value writing time */
-        *p++ = (uint8_t)fill->fill_time;
+        *p++ = fill->fill_time;
 
         /* Whether fill value is defined */
         *p++ = (uint8_t)fill->fill_defined;
diff --git a/src/H5Ofsinfo.c b/src/H5Ofsinfo.c
index fd62aa2..e5e6741 100644
--- a/src/H5Ofsinfo.c
+++ b/src/H5Ofsinfo.c
@@ -224,7 +224,7 @@ H5O_fsinfo_encode(H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p, c
     HDassert(fsinfo);
 
     *p++ = (uint8_t)fsinfo->version;    /* message version */
-    *p++ = (uint8_t)fsinfo->strategy;        /* File space strategy */
+    *p++ = fsinfo->strategy;        /* File space strategy */
     *p++ = (unsigned char)fsinfo->persist;    /* Free-space persist or not */
     H5F_ENCODE_LENGTH(f, p, fsinfo->threshold); /* Free-space section size threshold */
 
diff --git a/src/H5Oginfo.c b/src/H5Oginfo.c
index abe7879..4b34a52 100644
--- a/src/H5Oginfo.c
+++ b/src/H5Oginfo.c
@@ -183,7 +183,7 @@ H5O_ginfo_encode(H5F_t H5_ATTR_UNUSED *f, hbool_t H5_ATTR_UNUSED disable_shared,
     *p++ = H5O_GINFO_VERSION;
 
     /* The flags for the group info */
-    flags = (unsigned char)(ginfo->store_link_phase_change ?  H5O_GINFO_STORE_PHASE_CHANGE : 0);
+    flags = ginfo->store_link_phase_change ?  H5O_GINFO_STORE_PHASE_CHANGE : 0;
     flags = (unsigned char)(flags | (ginfo->store_est_entry_info ?  H5O_GINFO_STORE_EST_ENTRY_INFO : 0));
     *p++ = flags;
 
diff --git a/src/H5Oint.c b/src/H5Oint.c
index 9d4c066..ecf347c 100644
--- a/src/H5Oint.c
+++ b/src/H5Oint.c
@@ -239,7 +239,7 @@ H5O_set_version(H5F_t *f, H5O_t *oh, uint8_t oh_flags, hbool_t store_msg_crt_idx
         version = H5O_VERSION_1;
 
     /* Upgrade to the version indicated by the file's low bound if higher */
-    version = (uint8_t)MAX(version, (uint8_t)H5O_obj_ver_bounds[H5F_LOW_BOUND(f)]);
+    version = MAX(version, (uint8_t)H5O_obj_ver_bounds[H5F_LOW_BOUND(f)]);
 
     /* Version bounds check */
     if(version > H5O_obj_ver_bounds[H5F_HIGH_BOUND(f)])
@@ -2368,7 +2368,7 @@ H5O_get_create_plist(const H5O_loc_t *loc, H5P_genplist_t *oc_plist)
             HGOTO_ERROR(H5E_OHDR, H5E_CANTSET, FAIL, "can't set min. # of dense attributes in property list")
 
         /* Mask off non-"user visible" flags */
-        ohdr_flags = (uint8_t)(oh->flags & (H5O_HDR_ATTR_CRT_ORDER_TRACKED | H5O_HDR_ATTR_CRT_ORDER_INDEXED | H5O_HDR_STORE_TIMES));
+        ohdr_flags = oh->flags & (H5O_HDR_ATTR_CRT_ORDER_TRACKED | H5O_HDR_ATTR_CRT_ORDER_INDEXED | H5O_HDR_STORE_TIMES);
 
         /* Set object header flags */
         if(H5P_set(oc_plist, H5O_CRT_OHDR_FLAGS_NAME, &ohdr_flags) < 0)
diff --git a/src/H5Olayout.c b/src/H5Olayout.c
index 2a2a07b..138f219 100644
--- a/src/H5Olayout.c
+++ b/src/H5Olayout.c
@@ -570,7 +570,7 @@ H5O__layout_encode(H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p,
              H5O_LAYOUT_VERSION_3 : mesg->version);
 
     /* Layout class */
-    *p++ = (uint8_t)mesg->type;
+    *p++ = mesg->type;
 
     /* Write out layout class specific information */
     switch(mesg->type) {
diff --git a/src/H5Olinfo.c b/src/H5Olinfo.c
index 475f66f..9827b6a 100644
--- a/src/H5Olinfo.c
+++ b/src/H5Olinfo.c
@@ -203,7 +203,7 @@ H5O_linfo_encode(H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p, co
     *p++ = H5O_LINFO_VERSION;
 
     /* The flags for the link indices */
-    index_flags = (unsigned char)(linfo->track_corder ? H5O_LINFO_TRACK_CORDER : 0);
+    index_flags = linfo->track_corder ? H5O_LINFO_TRACK_CORDER : 0;
     index_flags = (uint8_t)(index_flags | (linfo->index_corder ? H5O_LINFO_INDEX_CORDER : 0));
     *p++ = index_flags;
 
diff --git a/src/H5Olink.c b/src/H5Olink.c
index 1f0c6c7..4bd952b 100644
--- a/src/H5Olink.c
+++ b/src/H5Olink.c
@@ -316,7 +316,7 @@ H5O_link_encode(H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p, con
 
     /* Store the type of a non-default link */
     if(link_flags & H5O_LINK_STORE_LINK_TYPE)
-        *p++ = (uint8_t)lnk->type;
+        *p++ = lnk->type;
 
     /* Store the link creation order in the file, if its valid */
     if(lnk->corder_valid)
diff --git a/src/H5Osdspace.c b/src/H5Osdspace.c
index 33310dc..b4f00ea 100644
--- a/src/H5Osdspace.c
+++ b/src/H5Osdspace.c
@@ -257,7 +257,7 @@ H5O_sdspace_encode(H5F_t *f, uint8_t *p, const void *_mesg)
 
     /* Dataspace type */
     if(sdim->version > H5O_SDSPACE_VERSION_1)
-        *p++ = (uint8_t)sdim->type;
+        *p++ = sdim->type;
     else {
         *p++ = 0; /*reserved*/
         *p++ = 0; /*reserved*/
diff --git a/src/H5Rint.c b/src/H5Rint.c
index 77227ec..443a245 100644
--- a/src/H5Rint.c
+++ b/src/H5Rint.c
@@ -993,7 +993,7 @@ H5R__decode(const unsigned char *buf, size_t *nbytes, H5R_ref_priv_t *ref)
         HGOTO_ERROR(H5E_REFERENCE, H5E_CANTDECODE, FAIL, "Buffer size is too small")
 
     /* Set new reference */
-    ref->type = (int8_t)((H5R_type_t)*p++);
+    ref->type = (H5R_type_t)*p++;
     if(ref->type <= H5R_BADTYPE || ref->type >= H5R_MAXTYPE)
         HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference type")
 
diff --git a/src/H5SMcache.c b/src/H5SMcache.c
index ee28fa4..49ce2b4 100644
--- a/src/H5SMcache.c
+++ b/src/H5SMcache.c
@@ -397,7 +397,7 @@ H5SM__cache_table_serialize(const H5F_t *f, void *_image, size_t len,
         *image++ = H5SM_LIST_VERSION;
 
         /* Is message index a list or a B-tree? */
-        *image++ = (uint8_t)table->indexes[u].index_type;
+        *image++ = table->indexes[u].index_type;
 
         /* Type of messages in the index */
         UINT16ENCODE(image, table->indexes[u].mesg_types);
diff --git a/src/H5SMmessage.c b/src/H5SMmessage.c
index e085204..0cca6bb 100644
--- a/src/H5SMmessage.c
+++ b/src/H5SMmessage.c
@@ -298,7 +298,7 @@ H5SM__message_encode(uint8_t *raw, const void *_nrecord, void *_ctx)
     /* Sanity check */
     HDassert(ctx);
 
-    *raw++ = (uint8_t)message->location;
+    *raw++ = message->location;
     UINT32ENCODE(raw, message->hash);
 
     if(message->location == H5SM_IN_HEAP) {
diff --git a/src/H5Shyper.c b/src/H5Shyper.c
index cfcc5ac..9feb8de 100644
--- a/src/H5Shyper.c
+++ b/src/H5Shyper.c
@@ -3674,7 +3674,7 @@ H5S__hyper_get_version_enc_size(const H5S_t *space, hsize_t block_count, uint32_
                 /* Determine the encoding size */
                 enc2 = H5S__hyper_get_enc_size_real(max2);
 
-                *enc_size = (uint8_t)MAX(enc1, enc2);
+                *enc_size = MAX(enc1, enc2);
             } /* end if */
             else {
                 hsize_t max_size = block_count;
diff --git a/src/H5Tbit.c b/src/H5Tbit.c
index c6c1777..df6d2c3 100644
--- a/src/H5Tbit.c
+++ b/src/H5Tbit.c
@@ -363,7 +363,7 @@ H5T__bit_set(uint8_t *buf, size_t offset, size_t size, hbool_t value)
 
     /* The middle bytes */
     while (size >= 8) {
-        buf[idx++] = (uint8_t)(value ? 0xff : 0x00);
+        buf[idx++] = value ? 0xff : 0x00;
         size -= 8;
     }
 
@@ -532,7 +532,7 @@ H5T__bit_inc(uint8_t *buf, size_t start, size_t size)
         acc = buf[idx];
         acc++;
         carry = acc & 0x100;
-        buf[idx] = (uint8_t)(acc & 0xff);
+        buf[idx] = acc & 0xff;
         idx++;
         size -= 8;
     }
diff --git a/src/H5Ztrans.c b/src/H5Ztrans.c
index 50ac947..6d07513 100644
--- a/src/H5Ztrans.c
+++ b/src/H5Ztrans.c
@@ -324,7 +324,7 @@ static void H5Z_print(H5Z_node *tree, FILE *stream);
 
 #define H5Z_XFORM_DO_OP5(TYPE, SIZE)                                                               \
 {                                                                                                  \
-    TYPE val = (TYPE)((tree->type == H5Z_XFORM_INTEGER) ? (TYPE)tree->value.int_val : (TYPE)tree->value.float_val); \
+    TYPE val = ((tree->type == H5Z_XFORM_INTEGER) ? (TYPE)tree->value.int_val : (TYPE)tree->value.float_val); \
     H5VM_array_fill(array, &val, sizeof(TYPE), (SIZE));                                             \
 }