diff options
Diffstat (limited to 'gcc/c/c-fold.cc')
| -rw-r--r-- | gcc/c/c-fold.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/c/c-fold.cc b/gcc/c/c-fold.cc index 06085f5..deb6896 100644 --- a/gcc/c/c-fold.cc +++ b/gcc/c/c-fold.cc @@ -328,6 +328,8 @@ c_fully_fold_internal (tree expr, bool in_init, bool *maybe_const_operands, case EXACT_DIV_EXPR: case LSHIFT_EXPR: case RSHIFT_EXPR: + case LROTATE_EXPR: + case RROTATE_EXPR: case BIT_IOR_EXPR: case BIT_XOR_EXPR: case BIT_AND_EXPR: @@ -389,7 +391,10 @@ c_fully_fold_internal (tree expr, bool in_init, bool *maybe_const_operands, && tree_int_cst_sgn (op0) < 0) warning_at (loc, OPT_Wshift_negative_value, "left shift of negative value"); - if ((code == LSHIFT_EXPR || code == RSHIFT_EXPR) + if ((code == LSHIFT_EXPR + || code == RSHIFT_EXPR + || code == LROTATE_EXPR + || code == RROTATE_EXPR) && TREE_CODE (orig_op1) != INTEGER_CST && TREE_CODE (op1) == INTEGER_CST && TREE_CODE (TREE_TYPE (orig_op1)) == INTEGER_TYPE |