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tree-nested.c (build_addr): Merge real/imagpart with handled_component_p.

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* tree-nested.c (build_addr): Merge real/imagpart with
	handled_component_p.
	(convert_nonlocal_reference, convert_local_reference): Process extra
	args to COMPONENT_REF and ARRAY_REF.
	* tree-outof-ssa.c (discover_nonconstant_array_refs_r): Check for
	lower bound and field offset being constant.

From-SVN: r83677
This commit is contained in:
Richard Kenner 2004-06-25 20:33:09 +00:00 committed by Richard Kenner
parent e804f82290
commit 8f44bc38a5
3 changed files with 37 additions and 14 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2004-06-25 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* tree-nested.c (build_addr): Merge real/imagpart with
handled_component_p.
(convert_nonlocal_reference, convert_local_reference): Process extra
args to COMPONENT_REF and ARRAY_REF.
* tree-outof-ssa.c (discover_nonconstant_array_refs_r): Check for
lower bound and field offset being constant.
2004-06-25 Mark Mitchell <mark@codesourcery.com> 2004-06-25 Mark Mitchell <mark@codesourcery.com>
PR wrong-code/16129 PR wrong-code/16129

22
gcc/tree-nested.c
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@ -158,11 +158,9 @@ build_addr (tree exp)
{ {
tree base = exp; tree base = exp;
if (TREE_CODE (base) == REALPART_EXPR || TREE_CODE (base) == IMAGPART_EXPR) while (TREE_CODE (base) == REALPART_EXPR || TREE_CODE (base) == IMAGPART_EXPR
|| handled_component_p (base))
base = TREE_OPERAND (base, 0); base = TREE_OPERAND (base, 0);
else
while (handled_component_p (base))
base = TREE_OPERAND (base, 0);
if (DECL_P (base)) if (DECL_P (base))
TREE_ADDRESSABLE (base) = 1; TREE_ADDRESSABLE (base) = 1;
@ -797,7 +795,6 @@ convert_nonlocal_reference (tree *tp, int *walk_subtrees, void *data)
} }
break; break;
case COMPONENT_REF:
case REALPART_EXPR: case REALPART_EXPR:
case IMAGPART_EXPR: case IMAGPART_EXPR:
wi->val_only = false; wi->val_only = false;
@ -805,6 +802,13 @@ convert_nonlocal_reference (tree *tp, int *walk_subtrees, void *data)
wi->val_only = true; wi->val_only = true;
break; break;
case COMPONENT_REF:
wi->val_only = false;
walk_tree (&TREE_OPERAND (t, 0), convert_nonlocal_reference, wi, NULL);
wi->val_only = true;
walk_tree (&TREE_OPERAND (t, 2), convert_nonlocal_reference, wi, NULL);
break;
case ARRAY_REF: case ARRAY_REF:
case ARRAY_RANGE_REF: case ARRAY_RANGE_REF:
wi->val_only = false; wi->val_only = false;
@ -932,7 +936,6 @@ convert_local_reference (tree *tp, int *walk_subtrees, void *data)
tsi_link_after (&wi->tsi, x, TSI_SAME_STMT); tsi_link_after (&wi->tsi, x, TSI_SAME_STMT);
break; break;
case COMPONENT_REF:
case REALPART_EXPR: case REALPART_EXPR:
case IMAGPART_EXPR: case IMAGPART_EXPR:
wi->val_only = false; wi->val_only = false;
@ -940,6 +943,13 @@ convert_local_reference (tree *tp, int *walk_subtrees, void *data)
wi->val_only = true; wi->val_only = true;
break; break;
case COMPONENT_REF:
wi->val_only = false;
walk_tree (&TREE_OPERAND (t, 0), convert_local_reference, wi, NULL);
wi->val_only = true;
walk_tree (&TREE_OPERAND (t, 2), convert_local_reference, wi, NULL);
break;
case ARRAY_REF: case ARRAY_REF:
case ARRAY_RANGE_REF: case ARRAY_RANGE_REF:
wi->val_only = false; wi->val_only = false;

20
gcc/tree-outof-ssa.c
View File

@ -1763,17 +1763,21 @@ discover_nonconstant_array_refs_r (tree * tp, int *walk_subtrees,
if (TYPE_P (t) || DECL_P (t)) if (TYPE_P (t) || DECL_P (t))
*walk_subtrees = 0; *walk_subtrees = 0;
else if (TREE_CODE (t) == ARRAY_REF || TREE_CODE (t) == ARRAY_RANGE_REF) if (TREE_CODE (t) == ARRAY_REF || TREE_CODE (t) == ARRAY_RANGE_REF)
{ {
while (((TREE_CODE (t) == ARRAY_REF || TREE_CODE (t) == ARRAY_RANGE_REF) while (((TREE_CODE (t) == ARRAY_REF || TREE_CODE (t) == ARRAY_RANGE_REF)
&& is_gimple_min_invariant (TREE_OPERAND (t, 1))) && is_gimple_min_invariant (TREE_OPERAND (t, 1))
&& (!TREE_OPERAND (t, 2)
|| is_gimple_min_invariant (TREE_OPERAND (t, 2))))
|| (TREE_CODE (t) == COMPONENT_REF || (TREE_CODE (t) == COMPONENT_REF
|| TREE_CODE (t) == BIT_FIELD_REF && (!TREE_OPERAND (t,2)
|| TREE_CODE (t) == REALPART_EXPR || is_gimple_min_invariant (TREE_OPERAND (t, 2))))
|| TREE_CODE (t) == IMAGPART_EXPR || TREE_CODE (t) == BIT_FIELD_REF
|| TREE_CODE (t) == VIEW_CONVERT_EXPR || TREE_CODE (t) == REALPART_EXPR
|| TREE_CODE (t) == NOP_EXPR || TREE_CODE (t) == IMAGPART_EXPR
|| TREE_CODE (t) == CONVERT_EXPR)) || TREE_CODE (t) == VIEW_CONVERT_EXPR
|| TREE_CODE (t) == NOP_EXPR
|| TREE_CODE (t) == CONVERT_EXPR)
t = TREE_OPERAND (t, 0); t = TREE_OPERAND (t, 0);
if (TREE_CODE (t) == ARRAY_REF || TREE_CODE (t) == ARRAY_RANGE_REF) if (TREE_CODE (t) == ARRAY_REF || TREE_CODE (t) == ARRAY_RANGE_REF)