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gimplify.c (gimplify_modify_expr): Don't force a temporary of an aggregate_value_p type. 

* gimplify.c (gimplify_modify_expr): Don't force a temporary
        of an aggregate_value_p type.

From-SVN: r82959
This commit is contained in:
Jason Merrill 2004-06-10 23:26:31 -04:00 committed by Jason Merrill
parent 3100d64725
commit 3bcb4e37d1
2 changed files with 15 additions and 6 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-06-10 Jason Merrill <jason@redhat.com>
* gimplify.c (gimplify_modify_expr): Don't force a temporary
of an aggregate_value_p type.
2004-06-10 Jeff Law <law@redhat.com>
* fold-const.c (fold_inf_compare): Avoid creating non-gimple

16
gcc/gimplify.c
View File

@ -2493,12 +2493,16 @@ gimplify_modify_expr (tree *expr_p, tree *pre_p, tree *post_p, bool want_value)
FIXME this should be handled by the is_gimple_rhs predicate. */
if (TREE_CODE (*from_p) == CALL_EXPR
|| (flag_non_call_exceptions && tree_could_trap_p (*from_p))
/* If we're dealing with a renamable type, either source or dest
must be a renamed variable. */
|| (is_gimple_reg_type (TREE_TYPE (*from_p))
&& !is_gimple_reg (*to_p)))
if (aggregate_value_p (TREE_TYPE (*from_p), NULL_TREE))
/* Don't force a temp of a large aggregate type; the copy could be
arbitrarily expensive. Instead we will generate a V_MAY_DEF for
the assignment. */;
else if (TREE_CODE (*from_p) == CALL_EXPR
|| (flag_non_call_exceptions && tree_could_trap_p (*from_p))
/* If we're dealing with a renamable type, either source or dest
must be a renamed variable. */
|| (is_gimple_reg_type (TREE_TYPE (*from_p))
&& !is_gimple_reg (*to_p)))
gimplify_expr (from_p, pre_p, post_p, is_gimple_val, fb_rvalue);
/* If the value being copied is of variable width, expose the length