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| author | Richard Biener <rguenther@suse.de> | 2024-09-05 11:18:57 +0200 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2024-09-06 09:16:03 +0200 |
| commit | 6a1a856ba78589f7f5285b00ecd40ba2bbeef8b0 (patch) | |
| tree | d3d7f545799915ddec03f82640a0de1f5eb9b167 /gcc | |
| parent | 116bfbc806a7aa3f1ae2a3b3eb38d6bb65e0d0a7 (diff) | |
| download | gcc-6a1a856ba78589f7f5285b00ecd40ba2bbeef8b0.zip gcc-6a1a856ba78589f7f5285b00ecd40ba2bbeef8b0.tar.gz gcc-6a1a856ba78589f7f5285b00ecd40ba2bbeef8b0.tar.bz2 | |
tree-optimization/116610 - wrong SLP induction bias for mask peeling
The following fixes a mistake when applying the bias for peeling via
masking to the inital value of SLP inductions.
This resolves gcc.target/aarch64/sve/peel_ind_1.c (a scan-assembler
only unfortunately) when forcing single-lane SLP for it.
PR tree-optimization/116610
* tree-vect-loop.cc (vectorizable_induction): Use MINUS_EXPR
to apply a mask peeling adjustment.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/tree-vect-loop.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index 31cdc4b..a879a13 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -10543,7 +10543,7 @@ vectorizable_induction (loop_vec_info loop_vinfo, vec_steps.safe_push (vec_step); tree step_mul = gimple_build_vector (&init_stmts, &mul_elts); if (peel_mul) - step_mul = gimple_build (&init_stmts, PLUS_EXPR, step_vectype, + step_mul = gimple_build (&init_stmts, MINUS_EXPR, step_vectype, step_mul, peel_mul); if (!init_node) vec_init = gimple_build_vector (&init_stmts, &init_elts); |