[PATCH] D26547: [PPC] add intrinsics mapping to the extractuw/insertw instructions

[Sean Fertile via llvm-commits]

sfertile updated this revision to Diff 78764.
sfertile added a comment.

Updated based on changes made to the clang portion of the feature.


Repository:
  rL LLVM

https://reviews.llvm.org/D26547

Files:
  include/llvm/IR/IntrinsicsPowerPC.td
  lib/Target/PowerPC/PPCInstrVSX.td
  test/CodeGen/PowerPC/p9-xxinsertw-xxextractuw.ll


Index: test/CodeGen/PowerPC/p9-xxinsertw-xxextractuw.ll
===================================================================
--- test/CodeGen/PowerPC/p9-xxinsertw-xxextractuw.ll
+++ test/CodeGen/PowerPC/p9-xxinsertw-xxextractuw.ll
@@ -990,3 +990,21 @@
   %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)
Index: lib/Target/PowerPC/PPCInstrVSX.td
===================================================================
--- lib/Target/PowerPC/PPCInstrVSX.td
+++ lib/Target/PowerPC/PPCInstrVSX.td
@@ -2215,6 +2215,12 @@
                                   "xxextractuw $XT, $XB, $UIMM", IIC_VecFP, []>;
   } // UseVSXReg = 1
 
+  // 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))>;
+
   // Vector Insert Exponent DP/SP
   def XVIEXPDP : XX3_XT5_XA5_XB5<60, 248, "xviexpdp", vsrc, vsrc, vsrc,
     IIC_VecFP, [(set v2f64: $XT,(int_ppc_vsx_xviexpdp v2i64:$XA, v2i64:$XB))]>;
Index: include/llvm/IR/IntrinsicsPowerPC.td
===================================================================
--- include/llvm/IR/IntrinsicsPowerPC.td
+++ include/llvm/IR/IntrinsicsPowerPC.td
@@ -889,6 +889,13 @@
 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]>;
 }
 
 //===----------------------------------------------------------------------===//


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