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typeck.c (get_member_function_from_ptrfunc): Always consider virtuality inside member pointer.

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* typeck.c (get_member_function_from_ptrfunc): Always consider
	virtuality inside member pointer.

From-SVN: r29494
This commit is contained in:
Martin v. Löwis 1999-09-18 10:46:07 +00:00 committed by Martin v. Löwis
parent e9013db204
commit 03b256e4c6
2 changed files with 61 additions and 57 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
1999-09-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
* typeck.c (get_member_function_from_ptrfunc): Always consider
virtuality inside member pointer.
1999-09-17 Mark Mitchell <mark@codesourcery.com>
Turn on function-at-a-time processing.

15
gcc/cp/typeck.c
View File

@ -2821,13 +2821,13 @@ get_member_function_from_ptrfunc (instance_ptrptr, function)
NULL_TREE, 0));
e3 = PFN_FROM_PTRMEMFUNC (function);
if (TYPE_SIZE (basetype) != NULL_TREE
&& ! TYPE_VIRTUAL_P (basetype))
/* If basetype doesn't have virtual functions, don't emit code to
handle that case. */
e1 = e3;
else
{
/* This used to avoid checking for virtual functions if basetype
has no virtual functions, according to an earlier ANSI draft.
With the final ISO C++ rules, such an optimization is
incorrect: A pointer to a derived member can be static_cast
to pointer-to-base-member, as long as the dynamic object
later has the right member. */
/* Promoting idx before saving it improves performance on RISC
targets. Without promoting, the first compare used
load-with-sign-extend, while the second used normal load then
@ -2880,7 +2880,6 @@ get_member_function_from_ptrfunc (instance_ptrptr, function)
if (TREE_CODE (instance_ptr) == SAVE_EXPR)
e1 = build (COMPOUND_EXPR, TREE_TYPE (e1),
instance_ptr, e1);
}
*instance_ptrptr = build (PLUS_EXPR, TREE_TYPE (instance_ptr),
instance_ptr, delta);