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| author | Richard Biener <rguenther@suse.de> | 2024-06-17 16:01:15 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2024-06-18 07:46:13 +0200 |
| commit | 19258ca1b85bc15e3a49054eff209f4f0d1c5bee (patch) | |
| tree | b1bfe617ad9a28d24284c7d0133f859adc2e385e /gcc | |
| parent | 4b75ed33fa5fd604897e7a30e79bd28d46598373 (diff) | |
| download | gcc-19258ca1b85bc15e3a49054eff209f4f0d1c5bee.zip gcc-19258ca1b85bc15e3a49054eff209f4f0d1c5bee.tar.gz gcc-19258ca1b85bc15e3a49054eff209f4f0d1c5bee.tar.bz2 | |
tree-optimization/115493 - fix wrong code with SLP induction cond reduction
The following fixes a bad final value being used when doing single-lane
SLP integer induction cond reduction vectorization.
PR tree-optimization/115493
* tree-vect-loop.cc (vect_create_epilog_for_reduction): Use
the first scalar result.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/tree-vect-loop.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index d9a2ad6..7c79e9d 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -6843,8 +6843,8 @@ vect_create_epilog_for_reduction (loop_vec_info loop_vinfo, with the original initial value, unless induc_val is the same as initial_def already. */ tree zcompare = make_ssa_name (boolean_type_node); - epilog_stmt = gimple_build_assign (zcompare, EQ_EXPR, new_temp, - induc_val); + epilog_stmt = gimple_build_assign (zcompare, EQ_EXPR, + scalar_results[0], induc_val); gsi_insert_before (&exit_gsi, epilog_stmt, GSI_SAME_STMT); tree initial_def = reduc_info->reduc_initial_values[0]; tree tmp = make_ssa_name (new_scalar_dest); |