[gcc(refs/users/meissner/heads/work048)] Impment XXSPLTIDP tests.

[Michael Meissner <meissner@gcc.gnu.org>]

https://gcc.gnu.org/g:a6fc6d45da05ff8c8e172245ec251cbd07385de4

commit a6fc6d45da05ff8c8e172245ec251cbd07385de4
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Thu Apr 15 13:53:49 2021 -0400

    Impment XXSPLTIDP tests.
    
    I added 3 new tests to test loading up SF/DF scalar and V2DF vector
    constants.
    
    gcc/testsuite/
    2021-04-15  Michael Meissner  <meissner@linux.ibm.com>
    
            * gcc.target/powerpc/vec-splat-constant-sf.c: New test.
            * gcc.target/powerpc/vec-splat-constant-df.c: New test.
            * gcc.target/powerpc/vec-splat-constant-v2df.c: New test.

Diff:
---
 .../gcc.target/powerpc/vec-splat-constant-df.c     | 60 ++++++++++++++++++++
 .../gcc.target/powerpc/vec-splat-constant-sf.c     | 60 ++++++++++++++++++++
 .../gcc.target/powerpc/vec-splat-constant-v2df.c   | 64 ++++++++++++++++++++++
 3 files changed, 184 insertions(+)

diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c
new file mode 100644
index 00000000000..8f6e176f9af
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-df.c
@@ -0,0 +1,60 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target power10_ok } */
+/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
+
+#include <math.h>
+
+/* Test generating DFmode constants with the ISA 3.1 (power10) XXSPLTIDP
+   instruction.  */
+
+double
+scalar_double_0 (void)
+{
+  return 0.0;			/* XXSPLTIB or XXLXOR.  */
+}
+
+double
+scalar_double_1 (void)
+{
+  return 1.0;			/* XXSPLTIDP.  */
+}
+
+#ifndef __FAST_MATH__
+double
+scalar_double_m0 (void)
+{
+  return -0.0;			/* XXSPLTIDP.  */
+}
+
+double
+scalar_double_nan (void)
+{
+  return __builtin_nan ("");	/* XXSPLTIDP.  */
+}
+
+double
+scalar_double_inf (void)
+{
+  return __builtin_inf ();	/* XXSPLTIDP.  */
+}
+
+double
+scalar_double_m_inf (void)	/* XXSPLTIDP.  */
+{
+  return - __builtin_inf ();
+}
+#endif
+
+double
+scalar_double_pi (void)
+{
+  return M_PI;			/* PLFD.  */
+}
+
+double
+scalar_double_denorm (void)
+{
+  return 0x1p-149f;		/* PLFD.  */
+}
+
+/* { dg-final { scan-assembler-times {\mxxspltidp\M} 5 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c
new file mode 100644
index 00000000000..72504bdfbbd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-sf.c
@@ -0,0 +1,60 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target power10_ok } */
+/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
+
+#include <math.h>
+
+/* Test generating SFmode constants with the ISA 3.1 (power10) XXSPLTIDP
+   instruction.  */
+
+float
+scalar_float_0 (void)
+{
+  return 0.0f;			/* XXSPLTIB or XXLXOR.  */
+}
+
+float
+scalar_float_1 (void)
+{
+  return 1.0f;			/* XXSPLTIDP.  */
+}
+
+#ifndef __FAST_MATH__
+float
+scalar_float_m0 (void)
+{
+  return -0.0f;			/* XXSPLTIDP.  */
+}
+
+float
+scalar_float_nan (void)
+{
+  return __builtin_nanf ("");	/* XXSPLTIDP.  */
+}
+
+float
+scalar_float_inf (void)
+{
+  return __builtin_inff ();	/* XXSPLTIDP.  */
+}
+
+float
+scalar_float_m_inf (void)	/* XXSPLTIDP.  */
+{
+  return - __builtin_inff ();
+}
+#endif
+
+float
+scalar_float_pi (void)
+{
+  return (float)M_PI;		/* XXSPLTIDP.  */
+}
+
+float
+scalar_float_denorm (void)
+{
+  return 0x1p-149f;		/* PLFS.  */
+}
+
+/* { dg-final { scan-assembler-times {\mxxspltidp\M} 6 } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c
new file mode 100644
index 00000000000..d509459292c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/vec-splat-constant-v2df.c
@@ -0,0 +1,64 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target power10_ok } */
+/* { dg-options "-mdejagnu-cpu=power10 -O2" } */
+
+#include <math.h>
+
+/* Test generating V2DFmode constants with the ISA 3.1 (power10) XXSPLTIDP
+   instruction.  */
+
+vector double
+v2df_double_0 (void)
+{
+  return (vector double) { 0.0, 0.0 };			/* XXSPLTIB or XXLXOR.  */
+}
+
+vector double
+v2df_double_1 (void)
+{
+  return (vector double) { 1.0, 1.0 };			/* XXSPLTIDP.  */
+}
+
+#ifndef __FAST_MATH__
+vector double
+v2df_double_m0 (void)
+{
+  return (vector double) { -0.0, -0.0 };		/* XXSPLTIDP.  */
+}
+
+vector double
+v2df_double_nan (void)
+{
+  return (vector double) { __builtin_nan (""),
+			   __builtin_nan ("") };	/* XXSPLTIDP.  */
+}
+
+vector double
+v2df_double_inf (void)
+{
+  return (vector double) { __builtin_inf (),
+			   __builtin_inf () };		/* XXSPLTIDP.  */
+}
+
+vector double
+v2df_double_m_inf (void)
+{
+  return (vector double) { - __builtin_inf (),
+			   - __builtin_inf () };	/* XXSPLTIDP.  */
+}
+#endif
+
+vector double
+v2df_double_pi (void)
+{
+  return (vector double) { M_PI, M_PI };		/* PLFD.  */
+}
+
+vector double
+v2df_double_denorm (void)
+{
+  return (vector double) { (double)0x1p-149f,
+			   (double)0x1p-149f };		/* PLFD.  */
+}
+
+/* { dg-final { scan-assembler-times {\mxxspltidp\M} 5 } } */