As Robin suggested, remove gimple_uid check which is sufficient for our need.
Tested on both RV32/RV64 no regression, ok for trunk ? gcc/ChangeLog: * config/riscv/riscv-vector-costs.cc (loop_invariant_op_p): Fix loop invariant check. --- gcc/config/riscv/riscv-vector-costs.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/config/riscv/riscv-vector-costs.cc b/gcc/config/riscv/riscv-vector-costs.cc index 3bae581d6fd..f4a1a789f23 100644 --- a/gcc/config/riscv/riscv-vector-costs.cc +++ b/gcc/config/riscv/riscv-vector-costs.cc @@ -241,7 +241,7 @@ loop_invariant_op_p (class loop *loop, if (SSA_NAME_IS_DEFAULT_DEF (op) || !flow_bb_inside_loop_p (loop, gimple_bb (SSA_NAME_DEF_STMT (op)))) return true; - return gimple_uid (SSA_NAME_DEF_STMT (op)) & 1; + return false; } /* Return true if the variable should be counted into liveness. */ -- 2.36.3