re PR target/89424 (__builtin_vec_ext_v1ti (v, i) results in ICE with variable i (RS6000))

gcc/ChangeLog:

2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/89424
	* config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
	handling of V1TImode.

gcc/testsuite/ChangeLog:

2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/89424
	* gcc.target/powerpc/pr89424-0.c: New test.
	* gcc.target/powerpc/vsx-builtin-13a.c: Define macro PR89424 to
	enable testing of newly patched capability.
	* gcc.target/powerpc/vsx-builtin-13b.c: Likewise.
	* gcc.target/powerpc/vsx-builtin-20a.c: Likewise.
	* gcc.target/powerpc/vsx-builtin-20b.c: Likewise.

From-SVN: r270918

gcc/ChangeLog

+2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
+
+	PR target/89424
+	* config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
+	handling of V1TImode.
+
 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
 
 	PR target/89221

gcc/config/rs6000/rs6000.c

@@ -6944,6 +6944,10 @@ rs6000_expand_vector_extract (rtx target, rtx vec, rtx elt)
 
       switch (mode)
 	{
+	case E_V1TImode:
+	  emit_move_insn (target, gen_lowpart (TImode, vec));
+	  return;
+
 	case E_V2DFmode:
 	  emit_insn (gen_vsx_extract_v2df_var (target, vec, elt));
 	  return;

gcc/testsuite/ChangeLog

+2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
+
+	PR target/89424
+	* gcc.target/powerpc/pr89424-0.c: New test.
+	* gcc.target/powerpc/vsx-builtin-13a.c: Define macro PR89424 to
+	enable testing of newly patched capability.
+	* gcc.target/powerpc/vsx-builtin-13b.c: Likewise.
+	* gcc.target/powerpc/vsx-builtin-20a.c: Likewise.
+	* gcc.target/powerpc/vsx-builtin-20b.c: Likewise.
+
 2019-05-06  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/90265 - ICE with generic lambda.

gcc/testsuite/gcc.target/powerpc/pr89424-0.c

+/* { dg-do run { target { powerpc*-*-* && lp64 } } } */
+/* { dg-require-effective-target vsx_hw } */
+/* { dg-options "-mvsx" } */
+
+/* This test should run the same on any target that supports vsx
+   instructions.  Intentionally not specifying cpu in order to test
+   all code generation paths.  */
+
+#include <altivec.h>
+
+extern void abort (void);
+
+/* Define PR89626 after that pr is addressed.  */
+#ifdef PR89626
+#define SIGNED
+#else
+#define SIGNED signed
+#endif
+
+#define CONST0		(((__int128) 31415926539) << 60)
+
+/* Test that indices > length of vector are applied modulo the vector
+   length.  */
+
+
+/* Test for variable selector and vector residing in register.  */
+__attribute__((noinline))
+__int128 ei (vector SIGNED __int128 v, int i)
+{
+  return __builtin_vec_ext_v1ti (v, i);
+}
+
+/* Test for variable selector and vector residing in memory.  */
+__int128 mei (vector SIGNED __int128 *vp, int i)
+{
+  return __builtin_vec_ext_v1ti (*vp, i);
+}
+
+int main (int argc, char *argv[]) {
+  vector SIGNED __int128 dv = { CONST0 };
+  __int128 d;
+
+  d = ei (dv, 0);
+  if (d != CONST0)
+    abort ();
+
+  d = ei (dv, 1);
+  if (d != CONST0)
+    abort ();
+
+  d = ei (dv, 2);
+  if (d != CONST0)
+    abort ();
+
+  d = ei (dv, 3);
+  if (d != CONST0)
+    abort ();
+
+  d = mei (&dv, 0);
+  if (d != CONST0)
+    abort ();
+
+  d = mei (&dv, 1);
+  if (d != CONST0)
+    abort ();
+
+  d = mei (&dv, 2);
+  if (d != CONST0)
+    abort ();
+
+  d = mei (&dv, 3);
+  if (d != CONST0)
+    abort ();
+
+  return 0;
+}

gcc/testsuite/gcc.target/powerpc/vsx-builtin-13a.c

@@ -9,7 +9,7 @@
 #include <altivec.h>
 
 /* Define this after PR89424 is addressed.  */
-#undef PR89424
+#define PR89424
 
 /* Define this after PR89626 is addressed.  */
 #undef PR89626

gcc/testsuite/gcc.target/powerpc/vsx-builtin-13b.c

@@ -9,7 +9,7 @@
 #include <altivec.h>
 
 /* Define this after PR89424 is addressed.  */
-#undef PR89424
+#define PR89424
 
 /* Define this after PR89626 is addressed.  */
 #undef PR89626

gcc/testsuite/gcc.target/powerpc/vsx-builtin-20a.c

@@ -9,7 +9,7 @@
 #include <altivec.h>
 
 /* Define this after PR89424 is addressed.  */
-#undef PR89424
+#define PR89424
 
 extern void abort (void);
 

gcc/testsuite/gcc.target/powerpc/vsx-builtin-20b.c

@@ -9,7 +9,7 @@
 #include <altivec.h>
 
 /* Define this after PR89424 is addressed.  */
-#undef PR89424
+#define PR89424
 
 extern void abort (void);