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| author | Richard Kenner <kenner@gcc.gnu.org> | 1994-07-30 18:18:55 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-07-30 18:18:55 -0400 |
| commit | 474636f3e8519be55085b1ebcc915fde47068343 (patch) | |
| tree | 9f308f9a427b38532193b78185bd87129bca4170 /gcc | |
| parent | 910d169398c8cc56032b7ae3d52bd7f0a856e818 (diff) | |
| download | gcc-474636f3e8519be55085b1ebcc915fde47068343.zip gcc-474636f3e8519be55085b1ebcc915fde47068343.tar.gz gcc-474636f3e8519be55085b1ebcc915fde47068343.tar.bz2 | |
(fold_truthop): Apply masks to constants.
From-SVN: r7839
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/fold-const.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index fd17f1a..5254b3e 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -2836,12 +2836,14 @@ 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); } 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); } /* If the right sides are not constant, do the same for it. Also, |