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tree-sra.c (completely_scalarize_record): New parameter REF, create its own access->expr intead of using build_ref_for_offset.

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2010-08-03  Martin Jambor  <mjambor@suse.cz>

	* tree-sra.c (completely_scalarize_record): New parameter REF, create
	its own access->expr intead of using build_ref_for_offset.

From-SVN: r162841
This commit is contained in:
Martin Jambor 2010-08-03 13:50:25 +02:00 committed by Martin Jambor
parent aea18e926a
commit fc734382d1
2 changed files with 14 additions and 12 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2010-08-03 Martin Jambor <mjambor@suse.cz>
* tree-sra.c (completely_scalarize_record): New parameter REF, create
its own access->expr intead of using build_ref_for_offset.
2010-08-03 Joseph Myers <joseph@codesourcery.com> 2010-08-03 Joseph Myers <joseph@codesourcery.com>
* config/alpha/alpha.h (SWITCH_TAKES_ARG): Define. * config/alpha/alpha.h (SWITCH_TAKES_ARG): Define.

21
gcc/tree-sra.c
View File

@ -843,10 +843,12 @@ type_consists_of_records_p (tree type)
/* Create total_scalarization accesses for all scalar type fields in DECL that /* Create total_scalarization accesses for all scalar type fields in DECL that
must be of a RECORD_TYPE conforming to type_consists_of_records_p. BASE must be of a RECORD_TYPE conforming to type_consists_of_records_p. BASE
must be the top-most VAR_DECL representing the variable, OFFSET must be the must be the top-most VAR_DECL representing the variable, OFFSET must be the
offset of DECL within BASE. */ offset of DECL within BASE. REF must be the memory reference expression for
the given decl. */
static void static void
completely_scalarize_record (tree base, tree decl, HOST_WIDE_INT offset) completely_scalarize_record (tree base, tree decl, HOST_WIDE_INT offset,
tree ref)
{ {
tree fld, decl_type = TREE_TYPE (decl); tree fld, decl_type = TREE_TYPE (decl);
@ -855,28 +857,23 @@ completely_scalarize_record (tree base, tree decl, HOST_WIDE_INT offset)
{ {
HOST_WIDE_INT pos = offset + int_bit_position (fld); HOST_WIDE_INT pos = offset + int_bit_position (fld);
tree ft = TREE_TYPE (fld); tree ft = TREE_TYPE (fld);
tree nref = build3 (COMPONENT_REF, TREE_TYPE (fld), ref, fld,
NULL_TREE);
if (is_gimple_reg_type (ft)) if (is_gimple_reg_type (ft))
{ {
struct access *access; struct access *access;
HOST_WIDE_INT size; HOST_WIDE_INT size;
tree expr;
bool ok;
size = tree_low_cst (DECL_SIZE (fld), 1); size = tree_low_cst (DECL_SIZE (fld), 1);
expr = base;
ok = build_ref_for_offset (&expr, TREE_TYPE (base), pos,
ft, false);
gcc_assert (ok);
access = create_access_1 (base, pos, size); access = create_access_1 (base, pos, size);
access->expr = expr; access->expr = nref;
access->type = ft; access->type = ft;
access->total_scalarization = 1; access->total_scalarization = 1;
/* Accesses for intraprocedural SRA can have their stmt NULL. */ /* Accesses for intraprocedural SRA can have their stmt NULL. */
} }
else else
completely_scalarize_record (base, fld, pos); completely_scalarize_record (base, fld, pos, nref);
} }
} }
@ -2067,7 +2064,7 @@ analyze_all_variable_accesses (void)
<= max_total_scalarization_size) <= max_total_scalarization_size)
&& type_consists_of_records_p (TREE_TYPE (var))) && type_consists_of_records_p (TREE_TYPE (var)))
{ {
completely_scalarize_record (var, var, 0); completely_scalarize_record (var, var, 0, var);
if (dump_file && (dump_flags & TDF_DETAILS)) if (dump_file && (dump_flags & TDF_DETAILS))
{ {
fprintf (dump_file, "Will attempt to totally scalarize "); fprintf (dump_file, "Will attempt to totally scalarize ");