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(expand_expr, case CONSTRUCTOR): If have a target, don't build 

constructor into memory.

From-SVN: r6323
This commit is contained in:
Richard Kenner 1993-12-25 17:51:12 -05:00
parent 307b821c36
commit 3207b172f7
1 changed files with 7 additions and 3 deletions
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10
gcc/expr.c
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@ -4089,13 +4089,17 @@ expand_expr (exp, target, tmode, modifier)
expand_expr (TREE_VALUE (elt), const0_rtx, VOIDmode, 0);
return const0_rtx;
}
/* All elts simple constants => refer to a constant in memory. But
if this is a non-BLKmode mode, let it store a field at a time
since that should make a CONST_INT or CONST_DOUBLE when we
fold. If we are making an initializer and all operands are
constant, put it in memory as well. */
fold. Likewise, if we have a target we can use, it is best to
store directly into the target. If we are making an initializer and
all operands are constant, put it in memory as well. */
else if ((TREE_STATIC (exp)
&& (mode == BLKmode || TREE_ADDRESSABLE (exp)))
&& ((mode == BLKmode
&& ! (target != 0 && safe_from_p (target, exp)))
|| TREE_ADDRESSABLE (exp)))
|| (modifier == EXPAND_INITIALIZER && TREE_CONSTANT (exp)))
{
rtx constructor = output_constant_def (exp);