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[5/5] Vect peeling cost model

Message ID 349aebb6-a197-beb1-38a9-be9c2d2b4084@linux.vnet.ibm.com
State New
Headers show

Commit Message

Robin Dapp May 11, 2017, 11:20 a.m. UTC 
gcc/testsuite/ChangeLog:

2017-05-11  Robin Dapp  <rdapp@linux.vnet.ibm.com>

	* gcc.target/s390/vector/vec-nopeel-2.c: New test.
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Patch

diff --git a/gcc/testsuite/gcc.target/s390/vector/vec-nopeel-2.c b/gcc/testsuite/gcc.target/s390/vector/vec-nopeel-2.c
new file mode 100644
index 0000000..9b67793
--- /dev/null
+++ b/gcc/testsuite/gcc.target/s390/vector/vec-nopeel-2.c
@@ -0,0 +1,12 @@ 
+/* { dg-do compile } */
+/* { dg-require-effective-target s390_vx } */
+/* { dg-options "-O2 -mzarch -march=z13 -ftree-vectorize -fdump-tree-vect-details -fvect-cost-model=dynamic" } */
+
+void foo(int *restrict a, int *restrict b, unsigned int n)
+{
+  for (unsigned int i = 0; i < n; i++)
+    b[i] = a[i] * 2 + 1;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
+/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" } } */