re PR tree-optimization/80925 (vect peeling failures)

2017-08-01  Steve Ellcey  <sellcey@cavium.com>

	PR tree-optimization/80925
	* gcc.dg/vect/vect-28.c: Add
	--param vect-max-peeling-for-alignment=0 option.
	Remove unaligned access and peeling checks.
	* gcc.dg/vect/vect-33-big-array.c: Ditto.
	* gcc.dg/vect/vect-70.c: Ditto.
	* gcc.dg/vect/vect-87.c: Ditto.
	* gcc.dg/vect/vect-88.c: Ditto.
	* gcc.dg/vect/vect-91.c: Ditto.
	* gcc.dg/vect/vect-93.c: Ditto.

From-SVN: r250783

8 files changed, 20 insertions, 14 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 49b5d58..0cc7f3b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,16 @@
+2017-08-01  Steve Ellcey  <sellcey@cavium.com>
+
+	PR tree-optimization/80925
+	* gcc.dg/vect/vect-28.c: Add
+	--param vect-max-peeling-for-alignment=0 option.
+	Remove unaligned access and peeling checks.
+	* gcc.dg/vect/vect-33-big-array.c: Ditto.
+	* gcc.dg/vect/vect-70.c: Ditto.
+	* gcc.dg/vect/vect-87.c: Ditto.
+	* gcc.dg/vect/vect-88.c: Ditto.
+	* gcc.dg/vect/vect-91.c: Ditto.
+	* gcc.dg/vect/vect-93.c: Ditto.
+
 2017-08-01  Tom de Vries  <tom@codesourcery.com>
 
 	* gcc.target/nvptx/slp-2.c (foo): Use signed loop iteration variable.
diff --git a/gcc/testsuite/gcc.dg/vect/vect-28.c b/gcc/testsuite/gcc.dg/vect/vect-28.c
index b28fbd9..e213df1 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-28.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-28.c
@@ -1,4 +1,5 @@
 /* { dg-require-effective-target vect_int } */
+/* { dg-additional-options "--param vect-max-peeling-for-alignment=0" } */
 
 #include <stdarg.h>
 #include "tree-vect.h"
@@ -39,6 +40,4 @@ int main (void)
 }
 
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
-/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
-/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { target { vector_alignment_reachable } } } } */
 /* { 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/testsuite/gcc.dg/vect/vect-33-big-array.c b/gcc/testsuite/gcc.dg/vect/vect-33-big-array.c
index 5ad3953..c1aa399 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-33-big-array.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-33-big-array.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-require-effective-target vect_int } */
+/* { dg-additional-options "--param vect-max-peeling-for-alignment=0" } */
 
 #include <stdarg.h>
 #include "tree-vect.h"
@@ -38,6 +39,4 @@ int main (void)
 
 
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
-/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
-/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { target vector_alignment_reachable } } } */
 /* { 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/testsuite/gcc.dg/vect/vect-70.c b/gcc/testsuite/gcc.dg/vect/vect-70.c
index 0ec06a2..a110f9c 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-70.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-70.c
@@ -1,4 +1,5 @@
 /* { dg-require-effective-target vect_int } */
+/* { dg-additional-options "--param vect-max-peeling-for-alignment=0" } */
 
 #include <stdarg.h>
 #include "tree-vect.h"
@@ -63,6 +64,4 @@ int main (void)
 }
           
 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
-/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
-/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" {target { vector_alignment_reachable} } } } */
 /* { 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/testsuite/gcc.dg/vect/vect-87.c b/gcc/testsuite/gcc.dg/vect/vect-87.c
index 4f74397..17b1dcd 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-87.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-87.c
@@ -1,4 +1,5 @@
 /* { dg-require-effective-target vect_int } */
+/* { dg-additional-options "--param vect-max-peeling-for-alignment=0" } */
 
 #include <stdarg.h>
 #include "tree-vect.h"
@@ -50,6 +51,4 @@ int main (void)
 
 /* Fails for targets that don't vectorize PLUS (e.g alpha).  */
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
-/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
-/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" {target vector_alignment_reachable} } } */
 /* { 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/testsuite/gcc.dg/vect/vect-88.c b/gcc/testsuite/gcc.dg/vect/vect-88.c
index f35c525..b99cb4d 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-88.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-88.c
@@ -1,4 +1,5 @@
 /* { dg-require-effective-target vect_int } */
+/* { dg-additional-options "--param vect-max-peeling-for-alignment=0" } */
 
 #include <stdarg.h>
 #include "tree-vect.h"
@@ -50,6 +51,4 @@ int main (void)
 
 /* Fails for targets that don't vectorize PLUS (e.g alpha).  */
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
-/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
-/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" {target vector_alignment_reachable } } }  */
 /* { 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/testsuite/gcc.dg/vect/vect-91.c b/gcc/testsuite/gcc.dg/vect/vect-91.c
index de9d5d1..979b8e9 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-91.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-91.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-require-effective-target vect_int } */
+/* { dg-additional-options "--param vect-max-peeling-for-alignment=0" } */
 
 #include <stdarg.h>
 #include "tree-vect.h"
@@ -60,5 +61,4 @@ main3 ()
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 3 "vect" { xfail vect_no_int_add } } } */
 /* { dg-final { scan-tree-dump-times "accesses have the same alignment." 3 "vect" { target { { vect_aligned_arrays } && {! vect_sizes_32B_16B} } } } } */
 /* { dg-final { scan-tree-dump-times "accesses have the same alignment." 2 "vect" { target { {! vect_aligned_arrays } && {vect_sizes_32B_16B} } } } } */
-/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 3 "vect" {target { vector_alignment_reachable } } } } */
 /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 3 "vect" {target { {! vector_alignment_reachable} && {! vect_hw_misalign} } } } } */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-93.c b/gcc/testsuite/gcc.dg/vect/vect-93.c
index 790ef2d..dfa4d42 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-93.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-93.c
@@ -1,4 +1,5 @@
 /* { dg-require-effective-target vect_float } */
+/* { dg-additional-options "--param vect-max-peeling-for-alignment=0" } */
 
 #include <stdarg.h>
 #include "tree-vect.h"
@@ -71,8 +72,6 @@ int main (void)
 
 /* main && main1 together: */
 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 2 "vect" { target powerpc*-*-* i?86-*-* x86_64-*-* } } } */
-/* { 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 "Alignment of access forced using peeling" 3 "vect" { xfail { { vect_no_align } || { { ! vector_alignment_reachable} || vect_element_align } } } } } */
 
 /* in main1: */
 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target !powerpc*-*-* !i?86-*-* !x86_64-*-* } } } */
@@ -80,5 +79,4 @@ int main (void)
 
 /* in main: */
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */
-/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail { vect_no_align && { ! vect_hw_misalign } } } } } */