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| author | Aldy Hernandez <aldyh@redhat.com> | 2023-07-25 12:35:08 -0400 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@redhat.com> | 2023-07-26 10:41:16 +0200 |
| commit | 5346a2fcceb118fce1041646788a20fea6698c34 (patch) | |
| tree | ac7e13d433f80c4b3ab8694cb1b648654db996c9 /gcc | |
| parent | 4a188dee6287746b58c701517cb054766565c5e1 (diff) | |
| download | gcc-5346a2fcceb118fce1041646788a20fea6698c34.zip gcc-5346a2fcceb118fce1041646788a20fea6698c34.tar.gz gcc-5346a2fcceb118fce1041646788a20fea6698c34.tar.bz2 | |
[range-ops] Handle bitmasks for ABS_EXPR.
gcc/ChangeLog:
* range-op-mixed.h (class operator_abs): Add update_bitmask.
* range-op.cc (operator_abs::update_bitmask): New.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/range-op-mixed.h | 2 | ||||
| -rw-r--r-- | gcc/range-op.cc | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/range-op-mixed.h b/gcc/range-op-mixed.h index ead41ed..70550c5 100644 --- a/gcc/range-op-mixed.h +++ b/gcc/range-op-mixed.h @@ -408,6 +408,8 @@ class operator_abs : public range_operator bool op1_range (frange &r, tree type, const frange &lhs, const frange &op2, relation_trio rel = TRIO_VARYING) const final override; + void update_bitmask (irange &r, const irange &lh, + const irange &rh) const final override; private: void wi_fold (irange &r, tree type, const wide_int &lh_lb, const wide_int &lh_ub, const wide_int &rh_lb, diff --git a/gcc/range-op.cc b/gcc/range-op.cc index 13ba973..bfab53c 100644 --- a/gcc/range-op.cc +++ b/gcc/range-op.cc @@ -4208,6 +4208,12 @@ operator_abs::op1_range (irange &r, tree type, return true; } +void +operator_abs::update_bitmask (irange &r, const irange &lh, + const irange &rh) const +{ + update_known_bitmask (r, ABS_EXPR, lh, rh); +} class operator_absu : public range_operator { |