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| author | Aldy Hernandez <aldyh@redhat.com> | 2023-09-15 08:24:24 -0400 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@redhat.com> | 2023-09-19 12:30:01 -0400 |
| commit | 9c739c9893ca6af841e7c67cce0ad9c17a248d13 (patch) | |
| tree | df09c1c7803e63188b0ad7c7207d8b148014a985 /gcc/range-op-float.cc | |
| parent | d2f53a601a23925b795ac162f7936163c3461b2c (diff) | |
| download | gcc-9c739c9893ca6af841e7c67cce0ad9c17a248d13.zip gcc-9c739c9893ca6af841e7c67cce0ad9c17a248d13.tar.gz gcc-9c739c9893ca6af841e7c67cce0ad9c17a248d13.tar.bz2 | |
[frange] Add op2_range for operator_not_equal.
We're missing an op2_range entry for operator_not_equal so GORI can
calculate an outgoing edge. The false side of != is true and
guarantees we don't have a NAN, so it's important to get this right.
We eventually get it through an intersection of various ranges in
ranger, but it's best to get things correct as early as possible.
gcc/ChangeLog:
* range-op-float.cc (operator_not_equal::op2_range): New.
* range-op-mixed.h: Add operator_not_equal::op2_range.
gcc/testsuite/ChangeLog:
* gcc.dg/tree-ssa/vrp-float-13.c: New test.
Diffstat (limited to 'gcc/range-op-float.cc')
| -rw-r--r-- | gcc/range-op-float.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/range-op-float.cc b/gcc/range-op-float.cc index cc729e1..91d3096 100644 --- a/gcc/range-op-float.cc +++ b/gcc/range-op-float.cc @@ -900,6 +900,14 @@ operator_not_equal::op1_range (frange &r, tree type, return true; } +bool +operator_not_equal::op2_range (frange &r, tree type, + const irange &lhs, + const frange &op1, + relation_trio trio) const +{ + return op1_range (r, type, lhs, op1, trio); +} // Check if the LHS range indicates a relation between OP1 and OP2. |