From 988c68f2a794fe0128757c9010337fa9da0c5839 Mon Sep 17 00:00:00 2001
From: Colin LeMahieu <colinl@codeaurora.org>
Date: Tue, 20 Jan 2015 20:45:05 +0000
Subject: [PATCH] [Hexagon] Adding intrinsics for doubleword ALU operations.

llvm-svn: 226606
---
 llvm/lib/Target/Hexagon/HexagonIntrinsics.td      | 19 +++++++++++++
 llvm/test/CodeGen/Hexagon/intrinsics-alu32_3op.ll | 34 +++++++++++++++++++++++
 2 files changed, 53 insertions(+)
 create mode 100644 llvm/test/CodeGen/Hexagon/intrinsics-alu32_3op.ll

diff --git a/llvm/lib/Target/Hexagon/HexagonIntrinsics.td b/llvm/lib/Target/Hexagon/HexagonIntrinsics.td
index 72fcb5d..25618c5 100644
--- a/llvm/lib/Target/Hexagon/HexagonIntrinsics.td
+++ b/llvm/lib/Target/Hexagon/HexagonIntrinsics.td
@@ -37,6 +37,10 @@ class T_RR_pat <InstHexagon MI, Intrinsic IntID>
   : Pat <(IntID I32:$Rs, I32:$Rt),
          (MI I32:$Rs, I32:$Rt)>;
 
+class T_PP_pat <InstHexagon MI, Intrinsic IntID>
+  : Pat <(IntID I64:$Rs, I64:$Rt),
+         (MI DoubleRegs:$Rs, DoubleRegs:$Rt)>;
+
 class T_QII_pat <InstHexagon MI, Intrinsic IntID, PatFrag Imm1, PatFrag Imm2>
   : Pat <(IntID (i32 PredRegs:$Ps), Imm1:$Is, Imm2:$It),
          (MI PredRegs:$Ps, Imm1:$Is, Imm2:$It)>;
@@ -314,6 +318,21 @@ def : T_R_pat<A2_sxtb, int_hexagon_A2_sxtb>;
 def : T_R_pat<A2_zxth, int_hexagon_A2_zxth>;
 def : T_R_pat<A2_zxtb, int_hexagon_A2_zxtb>;
 
+/********************************************************************
+*            ALU64/ALU                                              *
+*********************************************************************/
+def: T_RR_pat<A2_addsat,   int_hexagon_A2_addsat>;
+def: T_RR_pat<A2_subsat,   int_hexagon_A2_subsat>;
+def: T_PP_pat<A2_addp,     int_hexagon_A2_addp>;
+def: T_PP_pat<A2_subp,     int_hexagon_A2_subp>;
+
+def: T_PP_pat<A2_andp,     int_hexagon_A2_andp>;
+def: T_PP_pat<A2_orp,      int_hexagon_A2_orp>;
+def: T_PP_pat<A2_xorp,     int_hexagon_A2_xorp>;
+
+def: T_PP_pat<S2_parityp,  int_hexagon_S2_parityp>;
+def: T_RR_pat<S2_packhl,   int_hexagon_S2_packhl>;
+
 //
 // ALU 32 types.
 //
diff --git a/llvm/test/CodeGen/Hexagon/intrinsics-alu32_3op.ll b/llvm/test/CodeGen/Hexagon/intrinsics-alu32_3op.ll
new file mode 100644
index 0000000..b2bf439
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/intrinsics-alu32_3op.ll
@@ -0,0 +1,34 @@
+; RUN: llc < %s | FileCheck %s
+
+target datalayout = "e-m:e-p:32:32-i1:32-i64:64-a:0-v32:32-n16:32"
+target triple = "hexagon"
+
+; CHECK: test13:
+; CHECK: r{{[0-9]+}} = add(r{{[0-9]+}}, r{{[0-9]+}}):sat
+define i32 @test13(i32 %Rs, i32 %Rt) #0 {
+entry:
+  %0 = tail call i32 @llvm.hexagon.A2.addsat(i32 %Rs, i32 %Rt)
+  ret i32 %0
+}
+
+
+; CHECK: test14:
+; CHECK: r{{[0-9]+}} = sub(r{{[0-9]+}}, r{{[0-9]+}}):sat
+define i32 @test14(i32 %Rs, i32 %Rt) #0 {
+entry:
+  %0 = tail call i32 @llvm.hexagon.A2.subsat(i32 %Rs, i32 %Rt)
+  ret i32 %0
+}
+
+
+; CHECK: test61:
+; CHECK: r{{[0-9]+:[0-9]+}} = packhl(r{{[0-9]+}}, r{{[0-9]+}})
+define i64 @test61(i32 %Rs, i32 %Rt) #0 {
+entry:
+  %0 = tail call i64 @llvm.hexagon.S2.packhl(i32 %Rs, i32 %Rt)
+  ret i64 %0
+}
+
+declare i32 @llvm.hexagon.A2.addsat(i32, i32) #1
+declare i32 @llvm.hexagon.A2.subsat(i32, i32) #1
+declare i64 @llvm.hexagon.S2.packhl(i32, i32) #1
-- 
2.7.4