* [PATCH] tree-optimization/101861 - fix gather use for non-gather refs
@ 2021-08-11 9:50 Richard Biener
0 siblings, 0 replies; only message in thread
From: Richard Biener @ 2021-08-11 9:50 UTC (permalink / raw)
To: gcc-patches
My previous change broke the usage of gather for strided loads.
The following fixes it.
Bootstrapped on x86_64-unknown-linux-gnu, will push as obvious.
2021-08-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/101861
* tree-vect-stmts.c (vectorizable_load): Fix error in
previous change with regard to gather vectorization.
---
gcc/tree-vect-stmts.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index ab402b57fb4..cc6c091e41e 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -9492,7 +9492,8 @@ vectorizable_load (vec_info *vinfo,
if (memory_access_type == VMAT_GATHER_SCATTER
&& gs_info.ifn != IFN_LAST)
{
- vec_offset = vec_offsets[j];
+ if (STMT_VINFO_GATHER_SCATTER_P (stmt_info))
+ vec_offset = vec_offsets[j];
tree zero = build_zero_cst (vectype);
tree scale = size_int (gs_info.scale);
gcall *call;
--
2.31.1
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2021-08-11 9:50 [PATCH] tree-optimization/101861 - fix gather use for non-gather refs Richard Biener
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