* tree-sra.c (build_ref_for_model): Always build a COMPONENT_REF if
this is a reference to a component.
* ipa-prop.c (ipa_get_member_ptr_load_param): Accept COMPONENT_REF.
(ipa_note_param_call): Adjust comment.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@166731
138bc75d-0d04-0410-961f-
82ee72b054a4
+2010-11-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR tree-optimization/45722
+ * tree-sra.c (build_ref_for_model): Always build a COMPONENT_REF if
+ this is a reference to a component.
+ * ipa-prop.c (ipa_get_member_ptr_load_param): Accept COMPONENT_REF.
+ (ipa_note_param_call): Adjust comment.
+
2010-11-14 Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.c (machine_function): Remove
static tree
ipa_get_member_ptr_load_param (tree rhs, bool use_delta)
{
- tree rec, ref_offset, fld_offset;
- tree ptr_field;
- tree delta_field;
+ tree rec, ref_field, ref_offset, fld, fld_offset, ptr_field, delta_field;
+ if (TREE_CODE (rhs) == COMPONENT_REF)
+ {
+ ref_field = TREE_OPERAND (rhs, 1);
+ rhs = TREE_OPERAND (rhs, 0);
+ }
+ else
+ ref_field = NULL_TREE;
if (TREE_CODE (rhs) != MEM_REF)
return NULL_TREE;
rec = TREE_OPERAND (rhs, 0);
return NULL_TREE;
ref_offset = TREE_OPERAND (rhs, 1);
+
+ if (ref_field)
+ {
+ if (integer_nonzerop (ref_offset))
+ return NULL_TREE;
+
+ if (use_delta)
+ fld = delta_field;
+ else
+ fld = ptr_field;
+
+ return ref_field == fld ? rec : NULL_TREE;
+ }
+
if (use_delta)
fld_offset = byte_position (delta_field);
else
below, the call is on the last line:
<bb 2>:
+ f$__delta_5 = f.__delta;
+ f$__pfn_24 = f.__pfn;
+
+ or
+ <bb 2>:
f$__delta_5 = MEM[(struct *)&f];
f$__pfn_24 = MEM[(struct *)&f + 4B];
- ...
+ and a few lines below:
<bb 5>
D.2496_3 = (int) f$__pfn_24;
/* Construct a memory reference to a part of an aggregate BASE at the given
OFFSET and of the same type as MODEL. In case this is a reference to a
- bit-field, the function will replicate the last component_ref of model's
+ component, the function will replicate the last COMPONENT_REF of model's
expr to access it. GSI and INSERT_AFTER have the same meaning as in
build_ref_for_offset. */
struct access *model, gimple_stmt_iterator *gsi,
bool insert_after)
{
- if (TREE_CODE (model->expr) == COMPONENT_REF
- && DECL_BIT_FIELD (TREE_OPERAND (model->expr, 1)))
+ if (TREE_CODE (model->expr) == COMPONENT_REF)
{
- /* This access represents a bit-field. */
tree t, exp_type;
-
offset -= int_bit_position (TREE_OPERAND (model->expr, 1));
exp_type = TREE_TYPE (TREE_OPERAND (model->expr, 0));
t = build_ref_for_offset (loc, base, offset, exp_type, gsi, insert_after);