diff mbox series

Update vect-35.c testcase

Message ID 20201121170847.GA66483@kam.mff.cuni.cz
State New
Headers show
Series Update vect-35.c testcase | expand

Commit Message

Jan Hubicka Nov. 21, 2020, 5:08 p.m. UTC 
Hi,
We now determine depnedencies across union fields correctly so 2 instead
of 1 loops are vectorized.

regtsted x86_64-linux, comitted.

	* gcc.dg/vect/vect-35-big-array.c: Excpect 2 loops to be vectorized.
	* gcc.dg/vect/vect-35.c: Excpect 2 loops to be vectorized.
diff mbox series

Patch

diff --git a/gcc/testsuite/gcc.dg/vect/vect-35-big-array.c b/gcc/testsuite/gcc.dg/vect/vect-35-big-array.c
index ca57a10f714..28a99c910fd 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-35-big-array.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-35-big-array.c
@@ -20,10 +20,6 @@  int main1 ()
       s.b[i] = i;
     }
 
-  /* Dependence analysis fails cause s.a and s.b may overlap.
-     Try to use runtime aliasing test with versioning, and
-     later versioning/vectorization are skipped because the
-     overlap is proven at compilation time.  */
   for (i = 0; i < N; i++)
     {
       s.a[i] = s.b[i] + 1;
@@ -47,5 +43,4 @@  int main (void)
 }
 
 
-/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { xfail { ia64-*-* sparc*-*-* } } } } */
-/* { dg-final { scan-tree-dump "can't determine dependence between" "vect" } } */
+/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect"  { xfail { ia64-*-* sparc*-*-* } } } } */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-35.c b/gcc/testsuite/gcc.dg/vect/vect-35.c
index 76fe32d68ad..a7ec0f16d4c 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-35.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-35.c
@@ -20,10 +20,6 @@  int main1 ()
       s.b[i] = i;
     }
 
-  /* Dependence analysis fails cause s.a and s.b may overlap.
-     Try to use runtime aliasing test with versioning, and
-     later versioning/vectorization are skipped because the
-     overlap is proven at compilation time.  */
   for (i = 0; i < N; i++)
     {
       s.a[i] = s.b[i] + 1;
@@ -47,5 +43,4 @@  int main (void)
 } 
 
 
-/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { xfail { ia64-*-* sparc*-*-* } } } } */
-/* { dg-final { scan-tree-dump "can't determine dependence between" "vect" } } */
+/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect"  { xfail { ia64-*-* sparc*-*-* } } } } */