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expr.c (expand_expr_real_1): Abort on COND_EXPR of VOID_TYPE.

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* expr.c (expand_expr_real_1): Abort on COND_EXPR of
	VOID_TYPE.

From-SVN: r91758
This commit is contained in:
Kazu Hirata 2004-12-06 00:14:07 +00:00 committed by Kazu Hirata
parent ae23f7575c
commit ba8081eb6c
2 changed files with 9 additions and 15 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-12-05 Kazu Hirata <kazu@cs.umass.edu>
* expr.c (expand_expr_real_1): Abort on COND_EXPR of
VOID_TYPE.
2004-12-05 Richard Henderson <rth@redhat.com>
PR target/18841

19
gcc/expr.c
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@ -8063,21 +8063,10 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
return const0_rtx;
case COND_EXPR:
/* If it's void, we don't need to worry about computing a value. */
if (VOID_TYPE_P (TREE_TYPE (exp)))
{
tree pred = TREE_OPERAND (exp, 0);
tree then_ = TREE_OPERAND (exp, 1);
tree else_ = TREE_OPERAND (exp, 2);
gcc_assert (TREE_CODE (then_) == GOTO_EXPR
&& TREE_CODE (GOTO_DESTINATION (then_)) == LABEL_DECL
&& TREE_CODE (else_) == GOTO_EXPR
&& TREE_CODE (GOTO_DESTINATION (else_)) == LABEL_DECL);
jumpif (pred, label_rtx (GOTO_DESTINATION (then_)));
return expand_expr (else_, const0_rtx, VOIDmode, 0);
}
/* A COND_EXPR with its type being VOID_TYPE represents a
conditional jump and is handled in
expand_gimple_cond_expr. */
gcc_assert (!VOID_TYPE_P (TREE_TYPE (exp)));
/* Note that COND_EXPRs whose type is a structure or union
are required to be constructed to contain assignments of