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tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.

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2008-07-10  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert
	calls.
	(eliminate): Ditto.
	(execute_pre): Call loop_optimizer_finalize in early exit.

From-SVN: r137696
This commit is contained in:
Daniel Berlin 2008-07-10 17:00:37 +00:00 committed by Daniel Berlin
parent b826efd986
commit 6999afe1b9
2 changed files with 24 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2008-07-10 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert
calls.
(eliminate): Ditto.
(execute_pre): Call loop_optimizer_finalize in early exit.
2008-07-10 Jakub Jelinek <jakub@redhat.com>
PR middle-end/36790

21
gcc/tree-ssa-pre.c
View File

@ -2448,10 +2448,10 @@ create_component_ref_by_pieces (basic_block block, vn_reference_t ref,
if (!genop1)
return NULL_TREE;
genop1 = fold_convert (build_pointer_type (currop->type),
genop1);
genop1);
folded = fold_build1 (currop->opcode, currop->type,
genop1);
genop1);
return folded;
}
}
@ -2694,10 +2694,15 @@ create_expression_by_pieces (basic_block block, pre_expr expr, tree stmts,
stmts, domstmt);
if (!genop1 || !genop2)
return NULL_TREE;
genop1 = fold_convert (TREE_TYPE (nary->op[0]),
genop1);
/* Ensure op2 is a sizetype for POINTER_PLUS_EXPR. It
may be a constant with the wrong type. */
if (nary->opcode == POINTER_PLUS_EXPR)
genop2 = fold_convert (sizetype, genop2);
else
genop2 = fold_convert (TREE_TYPE (nary->op[0]), genop2);
folded = fold_build2 (nary->opcode, nary->type,
genop1, genop2);
}
@ -2709,6 +2714,8 @@ create_expression_by_pieces (basic_block block, pre_expr expr, tree stmts,
stmts, domstmt);
if (!genop1)
return NULL_TREE;
genop1 = fold_convert (TREE_TYPE (nary->op[0]), genop1);
folded = fold_build1 (nary->opcode, nary->type,
genop1);
}
@ -3818,11 +3825,13 @@ eliminate (void)
else
gcc_unreachable ();
}
/* If there is no existing leader but SCCVN knows this
value is constant, use that constant. */
if (!sprime && is_gimple_min_invariant (VN_INFO (lhs)->valnum))
{
sprime = VN_INFO (lhs)->valnum;
sprime = fold_convert (TREE_TYPE (lhs),
VN_INFO (lhs)->valnum);
if (dump_file && (dump_flags & TDF_DETAILS))
{
@ -4171,7 +4180,11 @@ execute_pre (bool do_fre)
if (!run_scc_vn (do_fre))
{
if (!do_fre)
remove_dead_inserted_code ();
{
remove_dead_inserted_code ();
loop_optimizer_finalize ();
}
return 0;
}
init_pre (do_fre);