temporarily disable invalid division->shr optimization

1 files changed, 3 insertions, 0 deletions

diff --git a/peephole.c b/peephole.c
index 71acd77..a0fd339 100644
--- a/peephole.c
+++ b/peephole.c
@@ -435,10 +435,13 @@ Node *node_idealize(Node *n, Graph *p, Lexer *l) {
 		       lex_error_at(l, CDR(n)->src_pos, LE_ERROR, S("divisor always evaluates to zero"));
 		}
 		{
+			// TODO: this only holds true for _unsigned_ integers
+			/*
 			int po2;
 			if (T(CDR(n), N_LIT) && CDR(n)->type.t == T_INT && (po2 = u64_power_of_2(CDR(n)->val.u))) {;
 				return NODE(N_OP_SHR, CAR(n), node_new_lit_i64(p, po2));
 			}
+			*/
 		}
 		break;
 	case N_OP_OR: