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tree-dfa.c (get_virtual_var): Merge real/imaginary parts with handled_component_p handling.

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* tree-dfa.c (get_virtual_var): Merge real/imaginary parts with
	handled_component_p handling.
	* tree-gimple.c (get_base_address): Likewise and fix typo that
	caused both recursion and looping.

From-SVN: r83669
This commit is contained in:
Richard Kenner 2004-06-25 18:30:09 +00:00 • committed by Richard Kenner
parent f1526aaae7
commit 75822272d9
3 changed files with 18 additions and 23 deletions
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5
gcc/ChangeLog
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@ -6,6 +6,11 @@
2004-06-25 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* tree-dfa.c (get_virtual_var): Merge real/imaginary parts with
handled_component_p handling.
* tree-gimple.c (get_base_address): Likewise and fix typo that
caused both recursion and looping.
* tree-cfg.c (verify_expr): Add macro CHECK_OK.
Properly test for nest of handled_components in LHS context.

6
gcc/tree-dfa.c
View file

@ -922,11 +922,9 @@ get_virtual_var (tree var)
if (TREE_CODE (var) == SSA_NAME)
var = SSA_NAME_VAR (var);
if (TREE_CODE (var) == REALPART_EXPR || TREE_CODE (var) == IMAGPART_EXPR)
while (TREE_CODE (var) == REALPART_EXPR || TREE_CODE (var) == IMAGPART_EXPR
|| handled_component_p (var))
var = TREE_OPERAND (var, 0);
else
while (handled_component_p (var))
var = TREE_OPERAND (var, 0);
#ifdef ENABLE_CHECKING
/* Treating GIMPLE registers as virtual variables makes no sense.

30
gcc/tree-gimple.c
View file

@ -602,27 +602,19 @@ rationalize_compound_expr (tree top)
tree
get_base_address (tree t)
{
do
{
if (SSA_VAR_P (t)
|| TREE_CODE (t) == STRING_CST
|| TREE_CODE (t) == CONSTRUCTOR
|| TREE_CODE (t) == INDIRECT_REF)
return t;
if (TREE_CODE (t) == REALPART_EXPR || TREE_CODE (t) == IMAGPART_EXPR)
t = TREE_OPERAND (t, 0);
else if (handled_component_p (t))
t = get_base_address (TREE_OPERAND (t, 0));
else
return NULL_TREE;
}
while (t);
return t;
while (TREE_CODE (t) == REALPART_EXPR || TREE_CODE (t) == IMAGPART_EXPR
|| handled_component_p (t))
t = TREE_OPERAND (t, 0);
if (SSA_VAR_P (t)
|| TREE_CODE (t) == STRING_CST
|| TREE_CODE (t) == CONSTRUCTOR
|| TREE_CODE (t) == INDIRECT_REF)
return t;
else
return NULL_TREE;
}
void
recalculate_side_effects (tree t)
{