diff --git a/gcc/range-op-mixed.h b/gcc/range-op-mixed.h index f7a07b19635..44d51d68655 100644 --- a/gcc/range-op-mixed.h +++ b/gcc/range-op-mixed.h @@ -371,6 +371,9 @@ public: bool fold_range (irange &r, tree type, const irange &op1, const irange &op2, relation_trio = TRIO_VARYING) const final override; + bool fold_range (irange &r, tree type, + const prange &op1, const prange &op2, + relation_trio = TRIO_VARYING) const final override; bool fold_range (irange &r, tree type, const frange &op1, const frange &op2, relation_trio = TRIO_VARYING) const final override; @@ -378,6 +381,9 @@ public: bool op1_range (irange &r, tree type, const irange &lhs, const irange &op2, relation_trio = TRIO_VARYING) const final override; + bool op1_range (prange &r, tree type, + const irange &lhs, const prange &op2, + relation_trio = TRIO_VARYING) const final override; bool op1_range (frange &r, tree type, const irange &lhs, const frange &op2, relation_trio = TRIO_VARYING) const final override; @@ -385,12 +391,17 @@ public: bool op2_range (irange &r, tree type, const irange &lhs, const irange &op1, relation_trio = TRIO_VARYING) const final override; + bool op2_range (prange &r, tree type, + const irange &lhs, const prange &op1, + relation_trio = TRIO_VARYING) const final override; bool op2_range (frange &r, tree type, const irange &lhs, const frange &op1, relation_trio = TRIO_VARYING) const final override; relation_kind op1_op2_relation (const irange &lhs, const irange &, const irange &) const final override; + relation_kind op1_op2_relation (const irange &lhs, const prange &, + const prange &) const final override; relation_kind op1_op2_relation (const irange &lhs, const frange &, const frange &) const final override; void update_bitmask (irange &r, const irange &lh, @@ -398,6 +409,7 @@ public: // Check op1 and op2 for compatibility. bool operand_check_p (tree, tree t1, tree t2) const final override { return range_compatible_p (t1, t2); } + bool pointers_handled_p (range_op_dispatch_type, unsigned) const final override; }; class operator_identity : public range_operator diff --git a/gcc/range-op-ptr.cc b/gcc/range-op-ptr.cc index 441a18c08c7..466edc6bf74 100644 --- a/gcc/range-op-ptr.cc +++ b/gcc/range-op-ptr.cc @@ -1853,6 +1853,114 @@ operator_gt::pointers_handled_p (range_op_dispatch_type type, } } +bool +operator_ge::fold_range (irange &r, tree type, + const prange &op1, + const prange &op2, + relation_trio rel) const +{ + if (relop_early_resolve (r, type, op1, op2, rel, VREL_GE)) + return true; + + signop sign = TYPE_SIGN (op1.type ()); + gcc_checking_assert (sign == TYPE_SIGN (op2.type ())); + + if (wi::ge_p (op1.lower_bound (), op2.upper_bound (), sign)) + r = range_true (); + else if (!wi::ge_p (op1.upper_bound (), op2.lower_bound (), sign)) + r = range_false (); + else + r = range_true_and_false (); + + //update_known_bitmask (r, GE_EXPR, op1, op2); + return true; +} + +bool +operator_ge::op1_range (prange &r, tree type, + const irange &lhs, + const prange &op2, + relation_trio) const +{ + if (op2.undefined_p ()) + return false; + + switch (get_bool_state (r, lhs, type)) + { + case BRS_TRUE: + build_ge (r, type, op2); + break; + + case BRS_FALSE: + build_lt (r, type, op2); + break; + + default: + break; + } + return true; +} + +bool +operator_ge::op2_range (prange &r, tree type, + const irange &lhs, + const prange &op1, + relation_trio) const +{ + if (op1.undefined_p ()) + return false; + + switch (get_bool_state (r, lhs, type)) + { + case BRS_TRUE: + build_le (r, type, op1); + break; + + case BRS_FALSE: + build_gt (r, type, op1); + break; + + default: + break; + } + return true; +} + +relation_kind +operator_ge::op1_op2_relation (const irange &lhs, const prange &, + const prange &) const +{ + if (lhs.undefined_p ()) + return VREL_UNDEFINED; + + // FALSE = op1 >= op2 indicates LT_EXPR. + if (lhs.zero_p ()) + return VREL_LT; + + // TRUE = op1 >= op2 indicates GE_EXPR. + if (!range_includes_zero_p (lhs)) + return VREL_GE; + return VREL_VARYING; +} + +bool +operator_ge::pointers_handled_p (range_op_dispatch_type type, + unsigned dispatch) const +{ + switch (type) + { + case DISPATCH_FOLD_RANGE: + return dispatch == RO_IPP; + case DISPATCH_OP1_RANGE: + case DISPATCH_OP2_RANGE: + return dispatch == RO_PIP; + case DISPATCH_OP1_OP2_RELATION: + return dispatch == RO_IPP; + default: + return true; + } +} + // Initialize any pointer operators to the primary table void