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ipa-type-escape fix for ada 

From-SVN: r123022
This commit is contained in:
Olga Golovanevsky 2007-03-17 12:47:53 +00:00 committed by Olga Golovanevsky
parent 604e4ce3fe
commit 44d974b5d2
2 changed files with 20 additions and 20 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
* ipa-type-escape.c (look_for_casts) : Revert code to use
handled_component_p due to ada test a-numaux.adb.
2007-03-17 Kazu Hirata <kazu@codesourcery.com>
* final.c (final_scan_insn): Alter the condition of a

35
gcc/ipa-type-escape.c
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@ -1239,26 +1239,21 @@ look_for_casts (tree lhs ATTRIBUTE_UNUSED, tree t)
tree castfromvar = TREE_OPERAND (t, 0);
cast = cast | check_cast (TREE_TYPE (t), castfromvar);
}
else if (TREE_CODE (t) == COMPONENT_REF
|| TREE_CODE (t) == INDIRECT_REF
|| TREE_CODE (t) == BIT_FIELD_REF)
{
tree base = get_base_address (t);
while (t != base)
{
t = TREE_OPERAND (t, 0);
if (TREE_CODE (t) == VIEW_CONVERT_EXPR)
{
/* This may be some part of a component ref.
IE it may be a.b.VIEW_CONVERT_EXPR<weird_type>(c).d, AFAIK.
castfromref will give you a.b.c, not a. */
tree castfromref = TREE_OPERAND (t, 0);
cast = cast | check_cast (TREE_TYPE (t), castfromref);
}
else if (TREE_CODE (t) == COMPONENT_REF)
get_canon_type (TREE_TYPE (TREE_OPERAND (t, 1)), false, false);
}
}
else
while (handled_component_p (t))
{
t = TREE_OPERAND (t, 0);
if (TREE_CODE (t) == VIEW_CONVERT_EXPR)
{
/* This may be some part of a component ref.
IE it may be a.b.VIEW_CONVERT_EXPR<weird_type>(c).d, AFAIK.
castfromref will give you a.b.c, not a. */
tree castfromref = TREE_OPERAND (t, 0);
cast = cast | check_cast (TREE_TYPE (t), castfromref);
}
else if (TREE_CODE (t) == COMPONENT_REF)
get_canon_type (TREE_TYPE (TREE_OPERAND (t, 1)), false, false);
}
if (!cast)
cast = CT_NO_CAST;