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testsuite/97494 - XFAIL gcc.dg/vect/pr97428.c on !vect_hw_misalign 

While we could at least vectorize it on targets which support
re-alignment tokens we fail to do this because of imperfections in
alignment analysis.  XFAIL when the HW cannot deal with misaligned
vector accesses for now.

2021-03-11  Richard Biener  <rguenther@suse.de>

	PR testsuite/97494
	* gcc.dg/vect/pr97428.c: XFAIL on !vect_hw_misalign.
This commit is contained in:
Richard Biener 2021-03-11 14:11:08 +01:00
parent f6c1d026c3
commit aa0d8a3e28
1 changed files with 3 additions and 1 deletions
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4
gcc/testsuite/gcc.dg/vect/pr97428.c
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@ -40,5 +40,7 @@ void foo_i2(dcmlx4_t dst[], const dcmlx_t src[], int n)
load and store groups. */
/* { dg-final { scan-tree-dump "Detected interleaving load of size 8" "vect" } } */
/* { dg-final { scan-tree-dump "Detected interleaving store of size 16" "vect" } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" } } */
/* We're not able to peel & apply re-aligning to make accesses well-aligned for !vect_hw_misalign,
but we could by peeling the stores for alignment and applying re-aligning loads. */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" { xfail { ! vect_hw_misalign } } } } */
/* { dg-final { scan-tree-dump-not "gap of 6 elements" "vect" } } */