diff options
Diffstat (limited to 'gcc/expr.cc')
-rw-r--r-- | gcc/expr.cc | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/expr.cc b/gcc/expr.cc index 8aed3fc..763bd82 100644 --- a/gcc/expr.cc +++ b/gcc/expr.cc @@ -13206,14 +13206,15 @@ do_store_flag (sepops ops, rtx target, machine_mode mode) || integer_pow2p (arg1)) && (TYPE_PRECISION (ops->type) != 1 || TYPE_UNSIGNED (ops->type))) { - wide_int nz = tree_nonzero_bits (arg0); - gimple *srcstmt = get_def_for_expr (arg0, BIT_AND_EXPR); + tree narg0 = arg0; + wide_int nz = tree_nonzero_bits (narg0); + gimple *srcstmt = get_def_for_expr (narg0, BIT_AND_EXPR); /* If the defining statement was (x & POW2), then use that instead of the non-zero bits. */ if (srcstmt && integer_pow2p (gimple_assign_rhs2 (srcstmt))) { nz = wi::to_wide (gimple_assign_rhs2 (srcstmt)); - arg0 = gimple_assign_rhs1 (srcstmt); + narg0 = gimple_assign_rhs1 (srcstmt); } if (wi::popcount (nz) == 1 @@ -13227,7 +13228,7 @@ do_store_flag (sepops ops, rtx target, machine_mode mode) type = lang_hooks.types.type_for_mode (mode, unsignedp); return expand_single_bit_test (loc, tcode, - arg0, + narg0, bitnum, type, target, mode); } } |