From 5784a5da78b2e7663fe28c177fcb9913e51f4c51 Mon Sep 17 00:00:00 2001 From: revitale Date: Wed, 4 Nov 2009 10:22:22 +0000 Subject: [PATCH] Another fix to the misaligned store vectorizer patch git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@153892 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 ++++++ gcc/testsuite/ChangeLog | 24 ++++++++++++++++++++++ .../i386/costmodel-fast-math-vect-pr29925.c | 2 +- .../x86_64/costmodel-fast-math-vect-pr29925.c | 2 +- gcc/testsuite/gcc.dg/vect/vect-27.c | 2 +- gcc/testsuite/gcc.dg/vect/vect-29.c | 2 +- gcc/testsuite/gcc.dg/vect/vect-42.c | 4 ++-- gcc/testsuite/gcc.dg/vect/vect-44.c | 2 +- gcc/testsuite/gcc.dg/vect/vect-48.c | 2 +- gcc/testsuite/gcc.dg/vect/vect-50.c | 2 +- gcc/testsuite/gcc.dg/vect/vect-52.c | 2 +- gcc/testsuite/gcc.dg/vect/vect-56.c | 4 ++-- gcc/testsuite/gcc.dg/vect/vect-60.c | 4 ++-- gcc/testsuite/gcc.dg/vect/vect-72.c | 2 +- gcc/testsuite/gcc.dg/vect/vect-multitypes-3.c | 2 +- gcc/testsuite/gcc.dg/vect/vect-multitypes-6.c | 2 +- gcc/testsuite/gcc.target/powerpc/vsx-vectorize-3.c | 4 ++-- gcc/testsuite/gcc.target/powerpc/vsx-vectorize-5.c | 4 ++-- gcc/testsuite/gfortran.dg/vect/vect-2.f90 | 2 +- gcc/testsuite/gfortran.dg/vect/vect-5.f90 | 2 +- gcc/tree-vect-data-refs.c | 3 +-- 21 files changed, 54 insertions(+), 25 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e4bfa40..30553dc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-11-04 Revital Eres + + * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): + Consider peeling for alignment only for stores and remove + redundant assignment. + 2009-11-04 Maxim Kuvyrkov PR target/41302 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 38a584a..5ef448c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,27 @@ +2009-11-04 Revital Eres + + * gcc.target/powerpc/vsx-vectorize-3.c: Adjust tetcase following + change in decision of peeling for alignment. + * gcc.target/powerpc/vsx-vectorize-5.c: Likewise. + * gcc.dg/vect/vect-50.c: Likewise. + * gcc.dg/vect/vect-42.c: Likewise. + * gcc.dg/vect/costmodel/i386/costmodel-fast-math-vect-pr29925.c: + Likewise. + * gcc.dg/vect/costmodel/x86_64/costmodel-fast-math-vect-pr29925.c: + Likewise. + * gcc.dg/vect/vect-multitypes-6.c: Likewise. + * gcc.dg/vect/vect-60.c: Likewise. + * gcc.dg/vect/vect-52.c: Likewise. + * gcc.dg/vect/vect-44.c: Likewise. + * gcc.dg/vect/vect-27.c: Likewise. + * gcc.dg/vect/vect-29.c: Likewise. + * gcc.dg/vect/vect-72.c: Likewise. + * gcc.dg/vect/vect-56.c: Likewise. + * gcc.dg/vect/vect-48.c: Likewise. + * gcc.dg/vect/vect-multitypes-3.c: Likewise. + * gfortran.dg/vect/vect-2.f90: Likewise. + * gfortran.dg/vect/vect-5.f90: Likewise. + 2009-11-04 Richard Guenther PR tree-optimization/41919 diff --git a/gcc/testsuite/gcc.dg/vect/costmodel/i386/costmodel-fast-math-vect-pr29925.c b/gcc/testsuite/gcc.dg/vect/costmodel/i386/costmodel-fast-math-vect-pr29925.c index ffbd220..5627c26 100644 --- a/gcc/testsuite/gcc.dg/vect/costmodel/i386/costmodel-fast-math-vect-pr29925.c +++ b/gcc/testsuite/gcc.dg/vect/costmodel/i386/costmodel-fast-math-vect-pr29925.c @@ -35,6 +35,6 @@ int main() return 0; } -/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_hw_misalign } } } */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-fast-math-vect-pr29925.c b/gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-fast-math-vect-pr29925.c index a2ad28b..5627c26 100644 --- a/gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-fast-math-vect-pr29925.c +++ b/gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-fast-math-vect-pr29925.c @@ -35,6 +35,6 @@ int main() return 0; } -/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_hw_misalign } } } */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-27.c b/gcc/testsuite/gcc.dg/vect/vect-27.c index e117196..4a2da22 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-27.c +++ b/gcc/testsuite/gcc.dg/vect/vect-27.c @@ -46,5 +46,5 @@ int main (void) /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { xfail vect_no_align } } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_no_align } } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail vect_no_align } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail {! vect_hw_misalign} } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-29.c b/gcc/testsuite/gcc.dg/vect/vect-29.c index 1645a2d..0ad2848 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-29.c +++ b/gcc/testsuite/gcc.dg/vect/vect-29.c @@ -51,6 +51,6 @@ int main (void) /* The initialization induction loop (with aligned access) is also vectorized. */ /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail vect_no_align } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" { xfail vect_hw_misalign } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 1 "vect" {target vect_no_align } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-42.c b/gcc/testsuite/gcc.dg/vect/vect-42.c index ebed418..3ba1c6f 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-42.c +++ b/gcc/testsuite/gcc.dg/vect/vect-42.c @@ -65,6 +65,6 @@ int main (void) /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 3 "vect" { target vect_no_align } } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 1 "vect" { target { { ! vector_alignment_reachable } && { ! vect_hw_misalign } } } } } */ -/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 4 "vect" { xfail { { vect_no_align || vect_hw_misalign } || { ! vector_alignment_reachable } } } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { { vect_no_align || vect_hw_misalign } || { ! vector_alignment_reachable } } } } } */ +/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 4 "vect" { xfail { vect_no_align || { ! vector_alignment_reachable } } } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { vect_no_align || { ! vector_alignment_reachable } } } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-44.c b/gcc/testsuite/gcc.dg/vect/vect-44.c index 5f2228f..ef1a463 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-44.c +++ b/gcc/testsuite/gcc.dg/vect/vect-44.c @@ -66,7 +66,7 @@ int main (void) /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align } } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { { vect_no_align || {! vect_hw_misalign } } || {! vector_alignment_reachable} } } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { vect_no_align || {! vector_alignment_reachable} } } } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 3 "vect" { target vect_no_align } } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 1 "vect" { target { {! vector_alignment_reachable} && {{! vect_no_align} && {! vect_hw_misalign} } } } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-48.c b/gcc/testsuite/gcc.dg/vect/vect-48.c index f66a862..e47ee00 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-48.c +++ b/gcc/testsuite/gcc.dg/vect/vect-48.c @@ -55,6 +55,6 @@ int main (void) /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail vect_no_align } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail {! vect_hw_misalign } } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 2 "vect" { target vect_no_align } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-50.c b/gcc/testsuite/gcc.dg/vect/vect-50.c index 74de0fb..068c804 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-50.c +++ b/gcc/testsuite/gcc.dg/vect/vect-50.c @@ -63,7 +63,7 @@ int main (void) /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align } } } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { target vect_hw_misalign } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { { vect_no_align || {! vect_hw_misalign } } || {! vector_alignment_reachable} } } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { vect_no_align || {! vector_alignment_reachable} } } } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 3 "vect" { target vect_no_align } } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 1 "vect" { target { {! vector_alignment_reachable} && { {! vect_no_align } && {! vect_hw_misalign } } } } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-52.c b/gcc/testsuite/gcc.dg/vect/vect-52.c index 426092e..af485ab 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-52.c +++ b/gcc/testsuite/gcc.dg/vect/vect-52.c @@ -56,6 +56,6 @@ int main (void) /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail vect_no_align } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" {xfail {! vect_hw_misalign } } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 2 "vect" { target vect_no_align } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-56.c b/gcc/testsuite/gcc.dg/vect/vect-56.c index 945d7ca..7b7da12 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-56.c +++ b/gcc/testsuite/gcc.dg/vect/vect-56.c @@ -68,6 +68,6 @@ int main (void) } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_align } } } */ -/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align || vect_hw_misalign } } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail {! vect_hw_misalign } } } } */ +/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align } } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-60.c b/gcc/testsuite/gcc.dg/vect/vect-60.c index 90234dd..cbdf63d 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-60.c +++ b/gcc/testsuite/gcc.dg/vect/vect-60.c @@ -69,6 +69,6 @@ int main (void) } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_align } } } */ -/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align || vect_hw_misalign } } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" { xfail vect_hw_misalign } } } */ +/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align } } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-72.c b/gcc/testsuite/gcc.dg/vect/vect-72.c index 1a9f13c..67a1975 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-72.c +++ b/gcc/testsuite/gcc.dg/vect/vect-72.c @@ -47,5 +47,5 @@ int main (void) /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_align } } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail vect_no_align } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" { xfail vect_hw_misalign } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-3.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-3.c index 2cbc621..3346e71 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-3.c +++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-3.c @@ -54,6 +54,6 @@ int main (void) /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 3 "vect" { target vect_no_align } } } */ -/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 3 "vect" {xfail { vect_no_align || vect_hw_misalign } } } } */ +/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 3 "vect" {xfail { vect_no_align } } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-6.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-6.c index 522ed30..4508551 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-6.c +++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-6.c @@ -61,6 +61,6 @@ int main (void) /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 6 "vect" { target vect_no_align } } } */ -/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 6 "vect" {xfail { vect_no_align || vect_hw_misalign } } } } */ +/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 6 "vect" {xfail { vect_no_align } } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.target/powerpc/vsx-vectorize-3.c b/gcc/testsuite/gcc.target/powerpc/vsx-vectorize-3.c index b7e1329..b99bcca 100644 --- a/gcc/testsuite/gcc.target/powerpc/vsx-vectorize-3.c +++ b/gcc/testsuite/gcc.target/powerpc/vsx-vectorize-3.c @@ -54,7 +54,7 @@ int main (void) } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" {xfail {! vect_hw_misalign } } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 0 "vect" {xfail {! vect_hw_misalign } } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 0 "vect" } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gcc.target/powerpc/vsx-vectorize-5.c b/gcc/testsuite/gcc.target/powerpc/vsx-vectorize-5.c index a5449ff..32d05b2 100644 --- a/gcc/testsuite/gcc.target/powerpc/vsx-vectorize-5.c +++ b/gcc/testsuite/gcc.target/powerpc/vsx-vectorize-5.c @@ -54,7 +54,7 @@ int main (void) } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" {xfail {! vect_hw_misalign } } } } */ -/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 0 "vect" {xfail {! vect_hw_misalign } } } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" } } */ +/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 0 "vect" } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/testsuite/gfortran.dg/vect/vect-2.f90 b/gcc/testsuite/gfortran.dg/vect/vect-2.f90 index bc904a0..0f45a70 100644 --- a/gcc/testsuite/gfortran.dg/vect/vect-2.f90 +++ b/gcc/testsuite/gfortran.dg/vect/vect-2.f90 @@ -15,7 +15,7 @@ END ! support unaligned loads). ! { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" } } -! { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 3 "vect" { xfail { { vect_no_align || { ! vect_hw_misalign } } || { ! vector_alignment_reachable } } } } } +! { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 3 "vect" { xfail { vect_no_align || { ! vector_alignment_reachable } } } } } ! { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 2 "vect" { target { vect_no_align && { ! vector_alignment_reachable } } } } } ! { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align } } } } ! { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 3 "vect" {target { vect_no_align || { { ! vector_alignment_reachable } && { ! vect_hw_misalign } } } } } } diff --git a/gcc/testsuite/gfortran.dg/vect/vect-5.f90 b/gcc/testsuite/gfortran.dg/vect/vect-5.f90 index 25eb88e..72776a6 100644 --- a/gcc/testsuite/gfortran.dg/vect/vect-5.f90 +++ b/gcc/testsuite/gfortran.dg/vect/vect-5.f90 @@ -36,7 +36,7 @@ end ! { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } -! { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { { vect_no_align || {! vect_hw_misalign } } || {! vector_alignment_reachable} } } } } +! { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { vect_no_align || {! vector_alignment_reachable} } } } } ! { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail { vect_no_align } } } } ! { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 2 "vect" { target { vect_no_align } } } } ! { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 1 "vect" { target { {! vector_alignment_reachable} && {! vect_hw_misalign} } } } } diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index b4c1f40..c13c275 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -1176,7 +1176,6 @@ vect_enhance_data_refs_alignment (loop_vec_info loop_vinfo) { stmt = DR_STMT (dr); stmt_info = vinfo_for_stmt (stmt); - supportable_dr_alignment = vect_supportable_dr_alignment (dr); /* For interleaving, only the alignment of the first access matters. */ @@ -1184,7 +1183,7 @@ vect_enhance_data_refs_alignment (loop_vec_info loop_vinfo) && DR_GROUP_FIRST_DR (stmt_info) != stmt) continue; - if (!aligned_access_p (dr)) + if (!DR_IS_READ (dr) && !aligned_access_p (dr)) { do_peeling = vector_alignment_reachable_p (dr); if (do_peeling) -- 2.7.4