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| author | Richard Biener <rguenther@suse.de> | 2025-10-01 11:26:45 +0200 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2025-10-01 13:49:53 +0200 |
| commit | c6865e7e15bc9a1337df00d2ca03604e1712a2dd (patch) | |
| tree | f6a02786bc2331a701b3d238c31a58d1c5677e88 /gcc | |
| parent | a52f635700681ddfd85d1ea5b0580ec780c78d58 (diff) | |
| download | gcc-c6865e7e15bc9a1337df00d2ca03604e1712a2dd.zip gcc-c6865e7e15bc9a1337df00d2ca03604e1712a2dd.tar.gz gcc-c6865e7e15bc9a1337df00d2ca03604e1712a2dd.tar.bz2 | |
tree-optimization/122110 - do not reject all bit-precision reductions
We can handle bitwise-operation reductions and reductions on mask
vectors just fine.
PR tree-optimization/122110
* tree-vect-loop.cc (vectorizable_reduction): Relax restriction
to mode-precision operations.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/tree-vect-loop.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index 1836037..1d549e4 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -7187,7 +7187,11 @@ vectorizable_reduction (loop_vec_info loop_vinfo, return false; /* Do not try to vectorize bit-precision reductions. */ - if (!type_has_mode_precision_p (op.type)) + if (!VECTOR_BOOLEAN_TYPE_P (vectype_out) + && !type_has_mode_precision_p (op.type) + && op.code != BIT_AND_EXPR + && op.code != BIT_IOR_EXPR + && op.code != BIT_XOR_EXPR) return false; /* Lane-reducing ops also never can be used in a SLP reduction group |