Patchwork [ARM] New testcases for NEON

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Submitter Andrew Stubbs
Date April 13, 2011, 3:59 p.m.
Message ID <4DA5C870.7060703@codesourcery.com>
Download mbox | patch
Permalink /patch/91059/
State New
Headers show

Comments

Andrew Stubbs - April 13, 2011, 3:59 p.m.
Hi,

This old patch has been carried in the CodeSourcery toolchain for some 
time now. It just adds a few new testcases for vectorization.

OK?

Andrew
Richard Earnshaw - April 19, 2011, 2:58 p.m.
On Wed, 2011-04-13 at 16:59 +0100, Andrew Stubbs wrote:
> Hi,
> 
> This old patch has been carried in the CodeSourcery toolchain for some 
> time now. It just adds a few new testcases for vectorization.
> 
> OK?
> 
> Andrew

OK.

2008-12-03  Daniel Jacobowitz  <dan@codesourcery.com>

        gcc/testsuite/
        * gcc.dg/vect/vect-shift-3.c, gcc.dg/vect/vect-shift-4.c: New.
        * lib/target-supports.exp (check_effective_target_vect_shift_char): New
        function.

R.
Andrew Stubbs - April 20, 2011, 4:40 p.m.
On 19/04/11 15:58, Richard Earnshaw wrote:
> OK.
>
> 2008-12-03  Daniel Jacobowitz<dan@codesourcery.com>
>
>          gcc/testsuite/
>          * gcc.dg/vect/vect-shift-3.c, gcc.dg/vect/vect-shift-4.c: New.
>          * lib/target-supports.exp (check_effective_target_vect_shift_char): New
>          function.

Committed, thanks.

Andrew

Patch

2008-12-03  Daniel Jacobowitz  <dan@codesourcery.com>

	gcc/testsuite/
	* gcc.dg/vect/vect-shift-3.c, gcc.dg/vect/vect-shift-4.c: New.
	* lib/target-supports.exp (check_effective_target_vect_shift_char): New
	function.

--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-shift-3.c
@@ -0,0 +1,37 @@ 
+/* { dg-require-effective-target vect_shift } */
+/* { dg-require-effective-target vect_int } */
+
+#include "tree-vect.h"
+
+#define N 32
+
+unsigned short dst[N] __attribute__((aligned(N)));
+unsigned short src[N] __attribute__((aligned(N)));
+
+__attribute__ ((noinline))
+void array_shift(void)
+{
+  int i;
+  for (i = 0; i < N; i++)
+    dst[i] = src[i] >> 3;
+}
+
+int main()
+{
+  volatile int i;
+  check_vect ();
+
+  for (i = 0; i < N; i++)
+    src[i] = i << 3;
+
+  array_shift ();
+
+  for (i = 0; i < N; i++)
+    if (dst[i] != i)
+      abort ();
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-shift-4.c
@@ -0,0 +1,37 @@ 
+/* { dg-require-effective-target vect_shift_char } */
+/* { dg-require-effective-target vect_int } */
+
+#include "tree-vect.h"
+
+#define N 32
+
+unsigned char dst[N] __attribute__((aligned(N)));
+unsigned char src[N] __attribute__((aligned(N)));
+
+__attribute__ ((noinline))
+void array_shift(void)
+{
+  int i;
+  for (i = 0; i < N; i++)
+    dst[i] = src[i] >> 3;
+}
+
+int main()
+{
+  volatile int i;
+  check_vect ();
+
+  for (i = 0; i < N; i++)
+    src[i] = i << 3;
+
+  array_shift ();
+
+  for (i = 0; i < N; i++)
+    if (dst[i] != i)
+      abort ();
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -2310,6 +2310,26 @@  proc check_effective_target_vect_shift_scalar { } {
 }
 
 
+# Return 1 if the target supports hardware vector shift operation for char.
+
+proc check_effective_target_vect_shift_char { } {
+    global et_vect_shift_char_saved
+
+    if [info exists et_vect_shift_char_saved] {
+	verbose "check_effective_target_vect_shift_char: using cached result" 2
+    } else {
+	set et_vect_shift_char_saved 0
+	if { ([istarget powerpc*-*-*]
+             && ![istarget powerpc-*-linux*paired*])
+	     || [check_effective_target_arm32] } {
+	   set et_vect_shift_char_saved 1
+	}
+    }
+
+    verbose "check_effective_target_vect_shift_char: returning $et_vect_shift_char_saved" 2
+    return $et_vect_shift_char_saved
+}
+
 # Return 1 if the target supports hardware vectors of long, 0 otherwise.
 #
 # This can change for different subtargets so do not cache the result.