[PPC] Add intrinsics for vector extract word and vector insert word.

Revision: https://reviews.llvm.org/D26547

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289227 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/IR/IntrinsicsPowerPC.td

@@ -889,6 +889,13 @@ def int_ppc_vsx_xvtstdcsp :
 def int_ppc_vsx_xvcvhpsp :
       PowerPC_VSX_Intrinsic<"xvcvhpsp", [llvm_v4f32_ty],
                             [llvm_v8i16_ty],[IntrNoMem]>;
+def int_ppc_vsx_xxextractuw :
+      PowerPC_VSX_Intrinsic<"xxextractuw",[llvm_v2i64_ty],
+                            [llvm_v2i64_ty,llvm_i32_ty], [IntrNoMem]>;
+def int_ppc_vsx_xxinsertw :
+      PowerPC_VSX_Intrinsic<"xxinsertw",[llvm_v4i32_ty],
+                            [llvm_v4i32_ty,llvm_v2i64_ty,llvm_i32_ty],
+                            [IntrNoMem]>;
 }
 
 //===----------------------------------------------------------------------===//

lib/Target/PowerPC/PPCInstrVSX.td

@@ -2262,6 +2262,14 @@ let AddedComplexity = 400, Predicates = [HasP9Vector] in {
                                  [(set v4i32: $XT,
                                   (int_ppc_vsx_xvxsigsp v4f32:$XB))]>;
 
+  let AddedComplexity = 400, Predicates = [HasP9Vector] in {
+  // Extra patterns expanding to vector Extract Word/Insert Word
+  def : Pat<(v4i32 (int_ppc_vsx_xxinsertw v4i32:$A, v2i64:$B, imm:$IMM)),
+            (v4i32 (XXINSERTW $A, $B, imm:$IMM))>;
+  def : Pat<(v2i64 (int_ppc_vsx_xxextractuw v2i64:$A, imm:$IMM)),
+            (v2i64 (COPY_TO_REGCLASS (XXEXTRACTUW $A, imm:$IMM), VSRC))>;
+  } // AddedComplexity = 400, HasP9Vector
+
   //===--------------------------------------------------------------------===//
 
   // Test Data Class SP/DP/QP
@@ -2632,6 +2640,7 @@ let AddedComplexity = 400, Predicates = [HasP9Vector] in {
             (STXSIHXv (VSLDOI $S, $S, 10), xoaddr:$dst)>;
   } // IsLittleEndian, HasP9Vector
 
+
   // Vector sign extensions
   def : Pat<(f64 (PPCVexts f64:$A, 1)),
             (f64 (COPY_TO_REGCLASS (VEXTSB2Ds $A), VSFRC))>;

test/CodeGen/PowerPC/p9-xxinsertw-xxextractuw.ll

@@ -990,3 +990,21 @@ entry:
   %vecins = insertelement <4 x i32> %a, i32 %i, i32 %el
   ret <4 x i32> %vecins
 }
+define <4 x i32> @intrinsicInsertTest(<4 x i32> %a, <2 x i64> %b) {
+entry:
+; CHECK-LABEL:intrinsicInsertTest
+; CHECK: xxinsertw 34, 35, 3
+; CHECK: blr
+  %ans = tail call <4 x i32> @llvm.ppc.vsx.xxinsertw(<4 x i32> %a, <2 x i64> %b, i32 3)
+  ret <4 x i32> %ans
+}
+declare <4 x i32> @llvm.ppc.vsx.xxinsertw(<4 x i32>, <2 x i64>, i32)
+define <2 x i64> @intrinsicExtractTest(<2 x i64> %a) {
+entry:
+; CHECK-LABEL: intrinsicExtractTest
+; CHECK: xxextractuw 0, 34, 5
+; CHECK: blr
+  %ans = tail call <2 x i64> @llvm.ppc.vsx.xxextractuw(<2 x i64> %a, i32 5)
+  ret <2 x i64> %ans
+}
+declare <2 x i64>  @llvm.ppc.vsx.xxextractuw(<2 x i64>, i32)