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(expand_expr, case CONSTRUCTOR): Don't set target to zero if more then one word.

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(expand_expr, case CONSTRUCTOR): Don't set target to zero if more then one
word.
Pass size and alignment to move_by_pieces_ninsns in bytes, not bits.

From-SVN: r9548
This commit is contained in:
Richard Kenner 1995-04-30 07:22:58 -04:00
parent c256df0bf7
commit 67225c151e
1 changed files with 6 additions and 4 deletions
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10
gcc/expr.c
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@ -2984,8 +2984,10 @@ store_constructor (exp, target)
/* If we are building a static constructor into a register,
set the initial value as zero so we can fold the value into
a constant. */
else if (GET_CODE (target) == REG && TREE_STATIC (exp))
a constant. But if more than one register is involved,
this probably loses. */
else if (GET_CODE (target) == REG && TREE_STATIC (exp)
&& GET_MODE_SIZE (GET_MODE (target)) <= UNITS_PER_WORD)
emit_move_insn (target, const0_rtx);
/* If the constructor has fewer fields than the structure,
@ -4473,8 +4475,8 @@ expand_expr (exp, target, tmode, modifier)
|| TREE_ADDRESSABLE (exp)
|| (TREE_CODE (TYPE_SIZE (type)) == INTEGER_CST
&& (move_by_pieces_ninsns
(TREE_INT_CST_LOW (TYPE_SIZE (type)),
TYPE_ALIGN (type))
(TREE_INT_CST_LOW (TYPE_SIZE (type))/BITS_PER_UNIT,
TYPE_ALIGN (type) / BITS_PER_UNIT)
> MOVE_RATIO))))
|| (modifier == EXPAND_INITIALIZER && TREE_CONSTANT (exp)))
{