1 files changed, 68 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-xxpermdi.c b/gcc/testsuite/gcc.target/powerpc/vec-xxpermdi.c
new file mode 100644
index 00000000000..d56276a3dd9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/vec-xxpermdi.c
@@ -0,0 +1,68 @@
+/* { dg-do run { target { powerpc64*-*-* && vsx_hw } } } */
+/* { dg-options "-O2 -mvsx" } */
+
+/* Added for PR79261 to test that vec_xxpermdi works correctly for
+   both BE and LE targets.  */
+
+#include <altivec.h>
+void abort (void);
+
+vector double vdx = { 0.0, 1.0 };
+vector double vdy = { 2.0, 3.0 };
+vector double vdz;
+
+vector signed long long vsllx = { 0, 1 };
+vector signed long long vslly = { 2, 3 };
+vector signed long long vsllz;
+
+vector float vfx = { 0.0, 1.0, 2.0, 3.0 };
+vector float vfy = { 4.0, 5.0, 6.0, 7.0 };
+vector float vfz;
+
+vector signed int vsix = { 0, 1, 2, 3 };
+vector signed int vsiy = { 4, 5, 6, 7 };
+vector signed int vsiz;
+
+vector signed short vssx = { 0, 1, 2, 3, 4, 5, 6, 7 };
+vector signed short vssy = { 8, 9, 10, 11, 12, 13, 14, 15 };
+vector signed short vssz;
+
+vector signed char vscx = { 0, 1, 2, 3, 4, 5, 6, 7,
+			    8, 9, 10, 11, 12, 13, 14, 15 };
+vector signed char vscy = { 16, 17, 18, 19, 20, 21, 22, 23,
+			    24, 25, 26, 27, 28, 29, 30, 31 };
+vector signed char vscz;
+
+int
+main ()
+{
+  vdz = vec_xxpermdi (vdx, vdy, 0b01);
+  if (vdz[0] != 0.0 || vdz[1] != 3.0)
+    abort ();
+
+  vsllz = vec_xxpermdi (vsllx, vslly, 0b10);
+  if (vsllz[0] != 1 || vsllz[1] != 2)
+    abort ();
+
+  vfz = vec_xxpermdi (vfx, vfy, 0b01);
+  if (vfz[0] != 0.0 || vfz[1] != 1.0 || vfz[2] != 6.0 || vfz[3] != 7.0)
+    abort ();
+
+  vsiz = vec_xxpermdi (vsix, vsiy, 0b10);
+  if (vsiz[0] != 2 || vsiz[1] != 3 || vsiz[2] != 4 || vsiz[3] != 5)
+    abort ();
+
+  vssz = vec_xxpermdi (vssx, vssy, 0b00);
+  if (vssz[0] != 0 || vssz[1] != 1 || vssz[2] != 2 || vssz[3] != 3
+      || vssz[4] != 8 || vssz[5] != 9 || vssz[6] != 10 || vssz[7] != 11)
+    abort ();
+
+  vscz = vec_xxpermdi (vscx, vscy, 0b11);
+  if (vscz[0] != 8 || vscz[1] != 9 || vscz[2] != 10 || vscz[3] != 11
+      || vscz[4] != 12 || vscz[5] != 13 || vscz[6] != 14 || vscz[7] != 15
+      || vscz[8] != 24 || vscz[9] != 25 || vscz[10] != 26 || vscz[11] != 27
+      || vscz[12] != 28 || vscz[13] != 29 || vscz[14] != 30 || vscz[15] != 31)
+    abort ();
+
+  return 0;
+}