rs6000: Add pdepd and pextd

Add scalar instructions for parallel bit deposit and extract, with
built-in function support.

[gcc]

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/rs6000-builtin.def (__builtin_pdepd): New built-in
	function.
	(__builtin_pextd): Likewise.
	* config/rs6000/rs6000.md (UNSPEC_PDEPD): New constant.
	(UNSPEC_PEXTD): Likewise.
	(pdepd): New insn.
	(pextd): Likewise.
	* doc/extend.texi (Basic PowerPC Built-in Functions Available for
	a Future Architecture): Add descriptions of __builtin_pdepd and
	__builtin_pextd functions.

[gcc/testsuite]

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* gcc.target/powerpc/pdep-0.c: New.
	* gcc.target/powerpc/pdep-1.c: New.
	* gcc.target/powerpc/pextd-0.c: New.
	* gcc.target/powerpc/pextd-1.c: New.

5 files changed, 202 insertions, 0 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e3f984ea9c2..74e83323e6e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,12 @@
 2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 
+	* gcc.target/powerpc/pdep-0.c: New.
+	* gcc.target/powerpc/pdep-1.c: New.
+	* gcc.target/powerpc/pextd-0.c: New.
+	* gcc.target/powerpc/pextd-1.c: New.
+
+2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
+
 	* gcc.target/powerpc/vec-clrl-0.c: New.
 	* gcc.target/powerpc/vec-clrl-1.c: New.
 	* gcc.target/powerpc/vec-clrr-0.c: New.
diff --git a/gcc/testsuite/gcc.target/powerpc/pdep-0.c b/gcc/testsuite/gcc.target/powerpc/pdep-0.c
new file mode 100644
index 00000000000..5c6afb33169
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pdep-0.c
@@ -0,0 +1,48 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc64 } */
+/* { dg-options "-mcpu=future" } */
+
+extern void abort (void);
+
+unsigned long long int
+do_pdepd (unsigned long long int source, unsigned long long int mask) {
+  return __builtin_pdepd (source, mask);
+}
+
+int main (int argc, char *argv [])
+{
+  unsigned long long int sources [4], masks [4];
+  unsigned long long int results [4][4] = {
+    /* sources [0] with each of masks [0..3] */
+    { 0x7e3c0000ll, 0x00007e3cll, 0x070e030cll, 0x70e030c0ll },
+    /* sources [1] with each of masks [0..3] */
+    { 0xa5f00000ll, 0x0000a5f0ll, 0x0a050f00ll, 0xa050f000ll },
+    /* sources [2] with each of masks [0..3] */
+    { 0xf07e0000ll, 0x0000f07ell, 0x0f00070ell, 0xf00070e0ll },
+    /* sources [3] with each of masks [0..3] */
+    { 0xe7c30000ll, 0x0000e7c3ll, 0x0e070c03ll, 0xe070c030ll },
+  };
+
+  sources[0] = 0xa5f07e3cll;
+  sources[1] = 0x7e3ca5f0ll;
+  sources[2] = 0x3ca5f07ell;
+  sources[3] = 0x5a0fe7c3ll;
+
+  masks[0] = 0xffff0000ll;
+  masks[1] = 0x0000ffffll;
+  masks[2] = 0x0f0f0f0fll;
+  masks[3] = 0xf0f0f0f0ll;
+
+  for (int i = 0; i < 4; i++)
+    {
+      for (int j = 0; j < 4; j++)
+	{
+	  if (do_pdepd (sources[i], masks[j]) != results [i][j])
+	    abort ();
+	}
+    }
+
+  return 0;
+}
+
+/* { dg-final { scan-assembler {\mpdepd\M} } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/pdep-1.c b/gcc/testsuite/gcc.target/powerpc/pdep-1.c
new file mode 100644
index 00000000000..40532ee1177
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pdep-1.c
@@ -0,0 +1,48 @@
+/* { dg-do run } */
+/* { dg-require-effective-target powerpc_future_hw } */
+/* { dg-require-effective-target powerpc64 } */
+/* { dg-options "-mcpu=future" } */
+
+extern void abort (void);
+
+unsigned long long int
+do_pdepd (unsigned long long int source, unsigned long long int mask) {
+  return __builtin_pdepd (source, mask);
+}
+
+int main (int argc, char *argv [])
+{
+  unsigned long long int sources [4], masks [4];
+  unsigned long long int results [4][4] = {
+    /* sources [0] with each of masks [0..3] */
+    { 0x7e3c0000ll, 0x00007e3cll, 0x070e030cll, 0x70e030c0ll },
+    /* sources [1] with each of masks [0..3] */
+    { 0xa5f00000ll, 0x0000a5f0ll, 0x0a050f00ll, 0xa050f000ll },
+    /* sources [2] with each of masks [0..3] */
+    { 0xf07e0000ll, 0x0000f07ell, 0x0f00070ell, 0xf00070e0ll },
+    /* sources [3] with each of masks [0..3] */
+    { 0xe7c30000ll, 0x0000e7c3ll, 0x0e070c03ll, 0xe070c030ll },
+  };
+
+  sources[0] = 0xa5f07e3cll;
+  sources[1] = 0x7e3ca5f0ll;
+  sources[2] = 0x3ca5f07ell;
+  sources[3] = 0x5a0fe7c3ll;
+
+  masks[0] = 0xffff0000ll;
+  masks[1] = 0x0000ffffll;
+  masks[2] = 0x0f0f0f0fll;
+  masks[3] = 0xf0f0f0f0ll;
+
+  for (int i = 0; i < 4; i++)
+    {
+      for (int j = 0; j < 4; j++)
+	{
+	  if (do_pdepd (sources[i], masks[j]) != results [i][j])
+	    abort ();
+	}
+    }
+
+  return 0;
+}
+
diff --git a/gcc/testsuite/gcc.target/powerpc/pextd-0.c b/gcc/testsuite/gcc.target/powerpc/pextd-0.c
new file mode 100644
index 00000000000..23a952dc2c6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pextd-0.c
@@ -0,0 +1,50 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc64 } */
+/* { dg-options "-mcpu=future" } */
+
+extern void abort (void);
+
+unsigned long long int
+do_pextd (unsigned long long int source, unsigned long long int mask) {
+  return __builtin_pextd (source, mask);
+}
+
+int main (int argc, char *argv [])
+{
+  unsigned long long int sources [4], masks [4];
+  unsigned long long int results [4][4] = {
+    /* sources [0] with each of masks [0..3] */
+    { 0x0000a5f0ll, 0x00007e3cll, 0x000050ecll, 0x0000af73ll },
+    /* sources [1] with each of masks [0..3] */
+    { 0x00007e3cll, 0x0000a5f0ll, 0x0000ec50ll, 0x000073afll },
+    /* sources [2] with each of masks [0..3] */
+    { 0x00003ca5ll, 0x0000f07ell, 0x0000c50ell, 0x00003af7ll },
+    /* sources [3] with each of masks [0..3] */
+    { 0x00005a0fll, 0x0000e7c3ll, 0x0000af73ll, 0x000050ecll },
+  };
+
+  sources[0] = 0xa5f07e3cll;
+  sources[1] = 0x7e3ca5f0ll;
+  sources[2] = 0x3ca5f07ell;
+  sources[3] = 0x5a0fe7c3ll;
+
+  masks[0] = 0xffff0000ll;
+  masks[1] = 0x0000ffffll;
+  masks[2] = 0x0f0f0f0fll;
+  masks[3] = 0xf0f0f0f0ll;
+
+  unsigned long long int result;
+
+  for (int i = 0; i < 4; i++)
+    {
+      for (int j = 0; j < 4; j++)
+	{
+	  if (do_pextd (sources[i], masks[j]) != results [i][j])
+	    abort ();
+	}
+    }
+
+  return 0;
+}
+
+/* { dg-final { scan-assembler {\mpextd\M} } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/pextd-1.c b/gcc/testsuite/gcc.target/powerpc/pextd-1.c
new file mode 100644
index 00000000000..814ce4325a0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pextd-1.c
@@ -0,0 +1,49 @@
+/* { dg-do run } */
+/* { dg-require-effective-target powerpc_future_hw } */
+/* { dg-require-effective-target powerpc64 } */
+/* { dg-options "-mcpu=future" } */
+
+extern void abort (void);
+
+unsigned long long int
+do_pextd (unsigned long long int source, unsigned long long int mask) {
+  return __builtin_pextd (source, mask);
+}
+
+int main (int argc, char *argv [])
+{
+  unsigned long long int sources [4], masks [4];
+  unsigned long long int results [4][4] = {
+    /* sources [0] with each of masks [0..3] */
+    { 0x0000a5f0ll, 0x00007e3cll, 0x000050ecll, 0x0000af73ll },
+    /* sources [1] with each of masks [0..3] */
+    { 0x00007e3cll, 0x0000a5f0ll, 0x0000ec50ll, 0x000073afll },
+    /* sources [2] with each of masks [0..3] */
+    { 0x00003ca5ll, 0x0000f07ell, 0x0000c50ell, 0x00003af7ll },
+    /* sources [3] with each of masks [0..3] */
+    { 0x00005a0fll, 0x0000e7c3ll, 0x0000af73ll, 0x000050ecll },
+  };
+
+  sources[0] = 0xa5f07e3cll;
+  sources[1] = 0x7e3ca5f0ll;
+  sources[2] = 0x3ca5f07ell;
+  sources[3] = 0x5a0fe7c3ll;
+
+  masks[0] = 0xffff0000ll;
+  masks[1] = 0x0000ffffll;
+  masks[2] = 0x0f0f0f0fll;
+  masks[3] = 0xf0f0f0f0ll;
+
+  unsigned long long int result;
+
+  for (int i = 0; i < 4; i++)
+    {
+      for (int j = 0; j < 4; j++)
+	{
+	  if (do_pextd (sources[i], masks[j]) != results [i][j])
+	    abort ();
+	}
+    }
+
+  return 0;
+}