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(fold_truthop): Delete BIT_AND_EXPR of constants with masks.

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From-SVN: r8592
This commit is contained in:
Richard Kenner 1994-11-30 19:02:39 -05:00
parent e4f5b48ec2
commit db40b434fa
1 changed files with 0 additions and 2 deletions
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gcc/fold-const.c
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@ -2841,14 +2841,12 @@ fold_truthop (code, truth_type, lhs, rhs)
l_const = convert (unsigned_type (TREE_TYPE (l_const)), l_const);
l_const = const_binop (LSHIFT_EXPR, convert (type, l_const),
size_int (xll_bitpos), 0);
l_const = const_binop (BIT_AND_EXPR, l_const, ll_mask, 0);
}
if (r_const)
{
r_const = convert (unsigned_type (TREE_TYPE (r_const)), r_const);
r_const = const_binop (LSHIFT_EXPR, convert (type, r_const),
size_int (xrl_bitpos), 0);
r_const = const_binop (BIT_AND_EXPR, r_const, rl_mask, 0);
}
/* If the right sides are not constant, do the same for it. Also,