diff mbox series

test/rs6000: Add case to cover vector division

Message ID 46f73cc8-c323-656a-eb9e-49dd91b5ce76@linux.ibm.com
State New
Headers show
Series test/rs6000: Add case to cover vector division | expand

Commit Message

Kewen.Lin July 7, 2021, 9:03 a.m. UTC 
Hi,

This patch is to add one test case to check if vectorizer
can exploit vector division instrutions newly introduced
by Power10.

Is it ok for trunk?

BR,
Kewen
-----
gcc/testsuite/ChangeLog:

	* gcc.target/powerpc/div-vectorize-1.c: New test.
---
 .../gcc.target/powerpc/div-vectorize-1.c      | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/powerpc/div-vectorize-1.c

Comments

Segher Boessenkool July 7, 2021, 4:47 p.m. UTC | #1 
On Wed, Jul 07, 2021 at 05:03:07PM +0800, Kewen.Lin wrote:
> This patch is to add one test case to check if vectorizer
> can exploit vector division instrutions newly introduced
> by Power10.

Okay, great, thanks!


Segher
diff mbox series

Patch

diff --git a/gcc/testsuite/gcc.target/powerpc/div-vectorize-1.c b/gcc/testsuite/gcc.target/powerpc/div-vectorize-1.c
new file mode 100644
index 00000000000..6208b2dc1f6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/div-vectorize-1.c
@@ -0,0 +1,46 @@ 
+/* { dg-require-effective-target power10_ok } */
+/* { dg-options "-mdejagnu-cpu=power10 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fdump-tree-vect-details" } */
+
+/* Test vectorizer can exploit ISA 3.1 instructions Vector Divide
+   Signed/Unsigned Word/Doubleword for word/doubleword division.  */
+
+#define N 128
+
+extern signed int si_a[N], si_b[N], si_c[N];
+extern unsigned int ui_a[N], ui_b[N], ui_c[N];
+extern signed long long sd_a[N], sd_b[N], sd_c[N];
+extern unsigned long long ud_a[N], ud_b[N], ud_c[N];
+
+__attribute__ ((noipa)) void
+test_si ()
+{
+  for (int i = 0; i < N; i++)
+    si_c[i] = si_a[i] / si_b[i];
+}
+
+__attribute__ ((noipa)) void
+test_ui ()
+{
+  for (int i = 0; i < N; i++)
+    ui_c[i] = ui_a[i] / ui_b[i];
+}
+
+__attribute__ ((noipa)) void
+test_sd ()
+{
+  for (int i = 0; i < N; i++)
+    sd_c[i] = sd_a[i] / sd_b[i];
+}
+
+__attribute__ ((noipa)) void
+test_ud ()
+{
+  for (int i = 0; i < N; i++)
+    ud_c[i] = ud_a[i] / ud_b[i];
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 4 "vect" } } */
+/* { dg-final { scan-assembler-times {\mvdivsw\M} 1 } } */
+/* { dg-final { scan-assembler-times {\mvdivuw\M} 1 } } */
+/* { dg-final { scan-assembler-times {\mvdivsd\M} 1 } } */
+/* { dg-final { scan-assembler-times {\mvdivud\M} 1 } } */