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expr.c (handled_component_p): Move ...

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2009-04-20  Richard Guenther  <rguenther@suse.de>

	* expr.c (handled_component_p): Move ...
	* tree.h (handled_component_p): ... here.
	* tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
	ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
	and REALPART_EXPR to be in one group.

From-SVN: r146427
This commit is contained in:
Richard Guenther 2009-04-20 14:11:34 +00:00 committed by Richard Biener
parent 438c239d76
commit 87a5b4cc3c
4 changed files with 46 additions and 39 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2009-04-20 Richard Guenther <rguenther@suse.de>
* expr.c (handled_component_p): Move ...
* tree.h (handled_component_p): ... here.
* tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
and REALPART_EXPR to be in one group.
2009-04-20 Richard Guenther <rguenther@suse.de>
* basic-block.h (get_all_dominated_blocks): Declare.

21
gcc/expr.c
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@ -6199,27 +6199,6 @@ component_ref_field_offset (tree exp)
else
return SUBSTITUTE_PLACEHOLDER_IN_EXPR (DECL_FIELD_OFFSET (field), exp);
}
/* Return 1 if T is an expression that get_inner_reference handles. */
int
handled_component_p (const_tree t)
{
switch (TREE_CODE (t))
{
case BIT_FIELD_REF:
case COMPONENT_REF:
case ARRAY_REF:
case ARRAY_RANGE_REF:
case VIEW_CONVERT_EXPR:
case REALPART_EXPR:
case IMAGPART_EXPR:
return 1;
default:
return 0;
}
}
/* Given an rtx VALUE that may contain additions and multiplications, return
an equivalent value that just refers to a register, memory, or constant.

37
gcc/tree.def
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@ -383,6 +383,9 @@ DEFTREECODE (TRANSLATION_UNIT_DECL, "translation_unit_decl",\
/* References to storage. */
/* The ordering of the following codes is optimized for the classification
in handled_component_p. Keep them in a consecutive group. */
/* Value is structure or union component.
Operand 0 is the structure or union (an expression).
Operand 1 is the field (a node of type FIELD_DECL).
@ -400,6 +403,23 @@ DEFTREECODE (COMPONENT_REF, "component_ref", tcc_reference, 3)
to its mode width. */
DEFTREECODE (BIT_FIELD_REF, "bit_field_ref", tcc_reference, 3)
/* Used only on an operand of complex type, these return
a value of the corresponding component type. */
DEFTREECODE (REALPART_EXPR, "realpart_expr", tcc_reference, 1)
DEFTREECODE (IMAGPART_EXPR, "imagpart_expr", tcc_reference, 1)
/* Array indexing.
Operand 0 is the array; operand 1 is a (single) array index.
Operand 2, if present, is a copy of TYPE_MIN_VALUE of the index.
Operand 3, if present, is the element size, measured in units of
the alignment of the element type. */
DEFTREECODE (ARRAY_REF, "array_ref", tcc_reference, 4)
/* Likewise, except that the result is a range ("slice") of the array. The
starting index of the resulting array is taken from operand 1 and the size
of the range is taken from the type of the expression. */
DEFTREECODE (ARRAY_RANGE_REF, "array_range_ref", tcc_reference, 4)
/* The ordering of the following codes is optimized for the checking
macros in tree.h. Changing the order will degrade the speed of the
compiler. INDIRECT_REF, ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF. */
@ -418,18 +438,6 @@ DEFTREECODE (ALIGN_INDIRECT_REF, "align_indirect_ref", tcc_reference, 1)
or 0 if the alignment is unknown. */
DEFTREECODE (MISALIGNED_INDIRECT_REF, "misaligned_indirect_ref", tcc_reference, 2)
/* Array indexing.
Operand 0 is the array; operand 1 is a (single) array index.
Operand 2, if present, is a copy of TYPE_MIN_VALUE of the index.
Operand 3, if present, is the element size, measured in units of
the alignment of the element type. */
DEFTREECODE (ARRAY_REF, "array_ref", tcc_reference, 4)
/* Likewise, except that the result is a range ("slice") of the array. The
starting index of the resulting array is taken from operand 1 and the size
of the range is taken from the type of the expression. */
DEFTREECODE (ARRAY_RANGE_REF, "array_range_ref", tcc_reference, 4)
/* Used to represent lookup of runtime type dependent data. Often this is
a reference to a vtable, but it needn't be. Operands are:
OBJ_TYPE_REF_EXPR: An expression that evaluates the value to use.
@ -806,11 +814,6 @@ DEFTREECODE (COMPLEX_EXPR, "complex_expr", tcc_binary, 2)
/* Complex conjugate of operand. Used only on complex types. */
DEFTREECODE (CONJ_EXPR, "conj_expr", tcc_unary, 1)
/* Used only on an operand of complex type, these return
a value of the corresponding component type. */
DEFTREECODE (REALPART_EXPR, "realpart_expr", tcc_reference, 1)
DEFTREECODE (IMAGPART_EXPR, "imagpart_expr", tcc_reference, 1)
/* Nodes for ++ and -- in C.
The second arg is how much to increment or decrement by.
For a pointer, it would be the size of the object pointed to. */

19
gcc/tree.h
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@ -4503,7 +4503,24 @@ extern tree get_narrower (tree, int *);
/* Return true if T is an expression that get_inner_reference handles. */
extern int handled_component_p (const_tree);
static inline bool
handled_component_p (const_tree t)
{
switch (TREE_CODE (t))
{
case BIT_FIELD_REF:
case COMPONENT_REF:
case ARRAY_REF:
case ARRAY_RANGE_REF:
case VIEW_CONVERT_EXPR:
case REALPART_EXPR:
case IMAGPART_EXPR:
return true;
default:
return false;
}
}
/* Given an expression EXP that is a handled_component_p,
look for the ultimate containing object, which is returned and specify