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target.c (gomp_map_pointer): New function abstracting out GOMP_MAP_POINTER handling.
2015-05-27 Chung-Lin Tang <cltang@codesourcery.com> libgomp/ * target.c (gomp_map_pointer): New function abstracting out GOMP_MAP_POINTER handling. (gomp_map_vars): Remove GOMP_MAP_POINTER handling code and use gomp_map_pointer(). From-SVN: r223737
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Chung-Lin Tang
Chung-Lin Tang
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1716efeb6d
@ -1,3 +1,10 @@
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2015-05-27 Chung-Lin Tang <cltang@codesourcery.com>
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* target.c (gomp_map_pointer): New function abstracting out
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GOMP_MAP_POINTER handling.
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(gomp_map_vars): Remove GOMP_MAP_POINTER handling code and use
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gomp_map_pointer().
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2015-05-19 Jakub Jelinek <jakub@redhat.com>
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PR middle-end/66199
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162
libgomp/target.c
162
libgomp/target.c
@ -163,6 +163,60 @@ get_kind (bool is_openacc, void *kinds, int idx)
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: ((unsigned char *) kinds)[idx];
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}
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static void
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gomp_map_pointer (struct target_mem_desc *tgt, uintptr_t host_ptr,
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uintptr_t target_offset, uintptr_t bias)
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{
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struct gomp_device_descr *devicep = tgt->device_descr;
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struct splay_tree_s *mem_map = &devicep->mem_map;
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struct splay_tree_key_s cur_node;
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cur_node.host_start = host_ptr;
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if (cur_node.host_start == (uintptr_t) NULL)
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{
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cur_node.tgt_offset = (uintptr_t) NULL;
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/* FIXME: see comment about coalescing host/dev transfers below. */
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devicep->host2dev_func (devicep->target_id,
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(void *) (tgt->tgt_start + target_offset),
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(void *) &cur_node.tgt_offset,
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sizeof (void *));
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return;
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}
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/* Add bias to the pointer value. */
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cur_node.host_start += bias;
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cur_node.host_end = cur_node.host_start + 1;
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splay_tree_key n = splay_tree_lookup (mem_map, &cur_node);
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if (n == NULL)
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{
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/* Could be possibly zero size array section. */
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cur_node.host_end--;
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n = splay_tree_lookup (mem_map, &cur_node);
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if (n == NULL)
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{
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cur_node.host_start--;
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n = splay_tree_lookup (mem_map, &cur_node);
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cur_node.host_start++;
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}
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}
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if (n == NULL)
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{
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gomp_mutex_unlock (&devicep->lock);
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gomp_fatal ("Pointer target of array section wasn't mapped");
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}
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cur_node.host_start -= n->host_start;
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cur_node.tgt_offset
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= n->tgt->tgt_start + n->tgt_offset + cur_node.host_start;
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/* At this point tgt_offset is target address of the
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array section. Now subtract bias to get what we want
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to initialize the pointer with. */
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cur_node.tgt_offset -= bias;
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/* FIXME: see comment about coalescing host/dev transfers below. */
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devicep->host2dev_func (devicep->target_id,
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(void *) (tgt->tgt_start + target_offset),
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(void *) &cur_node.tgt_offset,
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sizeof (void *));
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}
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attribute_hidden struct target_mem_desc *
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gomp_map_vars (struct gomp_device_descr *devicep, size_t mapnum,
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void **hostaddrs, void **devaddrs, size_t *sizes, void *kinds,
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@ -336,54 +390,8 @@ gomp_map_vars (struct gomp_device_descr *devicep, size_t mapnum,
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k->host_end - k->host_start);
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break;
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case GOMP_MAP_POINTER:
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cur_node.host_start
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= (uintptr_t) *(void **) k->host_start;
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if (cur_node.host_start == (uintptr_t) NULL)
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{
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cur_node.tgt_offset = (uintptr_t) NULL;
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/* FIXME: see above FIXME comment. */
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devicep->host2dev_func (devicep->target_id,
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(void *) (tgt->tgt_start
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+ k->tgt_offset),
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(void *) &cur_node.tgt_offset,
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sizeof (void *));
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break;
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}
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/* Add bias to the pointer value. */
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cur_node.host_start += sizes[i];
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cur_node.host_end = cur_node.host_start + 1;
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n = splay_tree_lookup (mem_map, &cur_node);
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if (n == NULL)
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{
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/* Could be possibly zero size array section. */
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cur_node.host_end--;
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n = splay_tree_lookup (mem_map, &cur_node);
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if (n == NULL)
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{
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cur_node.host_start--;
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n = splay_tree_lookup (mem_map, &cur_node);
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cur_node.host_start++;
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}
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}
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if (n == NULL)
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{
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gomp_mutex_unlock (&devicep->lock);
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gomp_fatal ("Pointer target of array section "
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"wasn't mapped");
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}
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cur_node.host_start -= n->host_start;
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cur_node.tgt_offset = n->tgt->tgt_start + n->tgt_offset
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+ cur_node.host_start;
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/* At this point tgt_offset is target address of the
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array section. Now subtract bias to get what we want
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to initialize the pointer with. */
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cur_node.tgt_offset -= sizes[i];
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/* FIXME: see above FIXME comment. */
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devicep->host2dev_func (devicep->target_id,
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(void *) (tgt->tgt_start
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+ k->tgt_offset),
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(void *) &cur_node.tgt_offset,
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sizeof (void *));
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gomp_map_pointer (tgt, (uintptr_t) *(void **) k->host_start,
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k->tgt_offset, sizes[i]);
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break;
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case GOMP_MAP_TO_PSET:
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/* FIXME: see above FIXME comment. */
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@ -405,58 +413,12 @@ gomp_map_vars (struct gomp_device_descr *devicep, size_t mapnum,
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{
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tgt->list[j] = k;
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k->refcount++;
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cur_node.host_start
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= (uintptr_t) *(void **) hostaddrs[j];
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if (cur_node.host_start == (uintptr_t) NULL)
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{
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cur_node.tgt_offset = (uintptr_t) NULL;
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/* FIXME: see above FIXME comment. */
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devicep->host2dev_func (devicep->target_id,
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(void *) (tgt->tgt_start + k->tgt_offset
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+ ((uintptr_t) hostaddrs[j]
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- k->host_start)),
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(void *) &cur_node.tgt_offset,
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sizeof (void *));
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i++;
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continue;
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}
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/* Add bias to the pointer value. */
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cur_node.host_start += sizes[j];
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cur_node.host_end = cur_node.host_start + 1;
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n = splay_tree_lookup (mem_map, &cur_node);
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if (n == NULL)
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{
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/* Could be possibly zero size array section. */
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cur_node.host_end--;
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n = splay_tree_lookup (mem_map, &cur_node);
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if (n == NULL)
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{
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cur_node.host_start--;
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n = splay_tree_lookup (mem_map, &cur_node);
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cur_node.host_start++;
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}
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}
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if (n == NULL)
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{
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gomp_mutex_unlock (&devicep->lock);
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gomp_fatal ("Pointer target of array section "
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"wasn't mapped");
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}
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cur_node.host_start -= n->host_start;
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cur_node.tgt_offset = n->tgt->tgt_start
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+ n->tgt_offset
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+ cur_node.host_start;
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/* At this point tgt_offset is target address of the
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array section. Now subtract bias to get what we
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want to initialize the pointer with. */
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cur_node.tgt_offset -= sizes[j];
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/* FIXME: see above FIXME comment. */
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devicep->host2dev_func (devicep->target_id,
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(void *) (tgt->tgt_start + k->tgt_offset
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+ ((uintptr_t) hostaddrs[j]
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- k->host_start)),
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(void *) &cur_node.tgt_offset,
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sizeof (void *));
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gomp_map_pointer (tgt,
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(uintptr_t) *(void **) hostaddrs[j],
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k->tgt_offset
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+ ((uintptr_t) hostaddrs[j]
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- k->host_start),
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sizes[j]);
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i++;
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}
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break;
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