[gcc(refs/users/meissner/heads/work146-vpair)] Add overloads for __builtin_vpair_assemble.

[gcc(refs/users/meissner/heads/work146-vpair)] Add overloads for __builtin_vpair_assemble.

[Michael Meissner]

https://gcc.gnu.org/g:2006845eceaad54e282187eac56798d8d02f00a0

commit 2006845eceaad54e282187eac56798d8d02f00a0
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Nov 17 15:44:36 2023 -0500

    Add overloads for __builtin_vpair_assemble.
    
    2023-11-17  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * config/rs6000/rs6000-overloads.def (__builtin_vpair_assemble): Add
            overloads.

Diff:
---
 gcc/config/rs6000/rs6000-overload.def | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gcc/config/rs6000/rs6000-overload.def b/gcc/config/rs6000/rs6000-overload.def
index 38d92fcf1f0..e3fb456e665 100644
--- a/gcc/config/rs6000/rs6000-overload.def
+++ b/gcc/config/rs6000/rs6000-overload.def
@@ -6197,3 +6197,25 @@
     VUPKLSW  VUPKLSW_DEPR1
   vbll __builtin_vec_vupklsw (vbi);
     VUPKLSW  VUPKLSW_DEPR2
+
+[VPAIR_ASSEMBLE, vpair_assemble, __builtin_vpair_assemble]
+  v256 __builtin_vpair_assemble (vf, vf);
+    VPAIR_F32_ASSEMBLE
+  v256 __builtin_vpair_assemble (vd, vd);
+    VPAIR_F64_ASSEMBLE
+  v256 __builtin_vpair_assemble (vull, vull);
+    VPAIR_I64U_ASSEMBLE
+  v256 __builtin_vpair_assemble (vsll, vsll);
+    VPAIR_I64_ASSEMBLE
+  v256 __builtin_vpair_assemble (vui, vui);
+    VPAIR_I32U_ASSEMBLE
+  v256 __builtin_vpair_assemble (vsi, vsi);
+    VPAIR_I32_ASSEMBLE
+  v256 __builtin_vpair_assemble (vus, vus);
+    VPAIR_I16U_ASSEMBLE
+  v256 __builtin_vpair_assemble (vss, vss);
+    VPAIR_I16_ASSEMBLE
+  v256 __builtin_vpair_assemble (vuc, vuc);
+    VPAIR_I8U_ASSEMBLE
+  v256 __builtin_vpair_assemble (vsc, vsc);
+    VPAIR_I8_ASSEMBLE