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| author | Feng Xue <fxue@os.amperecomputing.com> | 2024-06-16 12:08:56 +0800 |
|---|---|---|
| committer | Feng Xue <fxue@os.amperecomputing.com> | 2024-06-20 10:35:39 +0800 |
| commit | a944e57506fc64b8eede79c2405ba0b498461f0b (patch) | |
| tree | 8ae4854bb1e07fe75cccf66dbc559fef1494bf6d | |
| parent | 70466e6f9d9fb87f78ffe2e397ca876b380cb493 (diff) | |
| download | gcc-a944e57506fc64b8eede79c2405ba0b498461f0b.zip gcc-a944e57506fc64b8eede79c2405ba0b498461f0b.tar.gz gcc-a944e57506fc64b8eede79c2405ba0b498461f0b.tar.bz2 | |
vect: Remove duplicated check on reduction operand
In vectorizable_reduction, one check on a reduction operand via index could be
contained by another one check via pointer, so remove the former.
2024-06-16 Feng Xue <fxue@os.amperecomputing.com>
gcc/
* tree-vect-loop.cc (vectorizable_reduction): Remove the duplicated
check.
| -rw-r--r-- | gcc/tree-vect-loop.cc | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index eeb75c0..aab408d 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -7815,11 +7815,9 @@ vectorizable_reduction (loop_vec_info loop_vinfo, "use not simple.\n"); return false; } - if (i == STMT_VINFO_REDUC_IDX (stmt_info)) - continue; - /* For an IFN_COND_OP we might hit the reduction definition operand - twice (once as definition, once as else). */ + /* Skip reduction operands, and for an IFN_COND_OP we might hit the + reduction operand twice (once as definition, once as else). */ if (op.ops[i] == op.ops[STMT_VINFO_REDUC_IDX (stmt_info)]) continue; |