[Hexagon] Adding asrh instruction, removing unused multiclasses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222670 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Hexagon/HexagonInstrInfo.cpp b/lib/Target/Hexagon/HexagonInstrInfo.cpp
index 8f81beba4993c659262349c65fc3b9be4ec69df5..6ec21fd6b58a9864716fb8e9fd18a15251587a81 100644 (file)
--- a/lib/Target/Hexagon/HexagonInstrInfo.cpp
+++ b/lib/Target/Hexagon/HexagonInstrInfo.cpp
@@ -714,7 +714,7 @@ bool HexagonInstrInfo::isPredicable(MachineInstr *MI) const {
     return isInt<8>(MI->getOperand(2).getImm());
 
   case Hexagon::A2_aslh:
-  case Hexagon::ASRH:
+  case Hexagon::A2_asrh:
   case Hexagon::A2_sxtb:
   case Hexagon::A2_sxth:
   case Hexagon::A2_zxtb:
@@ -1307,6 +1307,10 @@ bool HexagonInstrInfo::isConditionalALU32 (const MachineInstr* MI) const {
     case Hexagon::A4_paslhfnew:
     case Hexagon::A4_paslht:
     case Hexagon::A4_paslhtnew:
+    case Hexagon::A4_pasrhf:
+    case Hexagon::A4_pasrhfnew:
+    case Hexagon::A4_pasrht:
+    case Hexagon::A4_pasrhtnew:
     case Hexagon::A2_porf:
     case Hexagon::A2_porfnew:
     case Hexagon::A2_port:
@@ -1340,9 +1344,6 @@ bool HexagonInstrInfo::isConditionalALU32 (const MachineInstr* MI) const {
     case Hexagon::COMBINE_rr_cPt:
     case Hexagon::COMBINE_rr_cNotPt:
       return true;
-    case Hexagon::ASRH_cPt_V4:
-    case Hexagon::ASRH_cNotPt_V4:
-      return QRI.Subtarget.hasV4TOps();
   }
 }
 

diff --git a/lib/Target/Hexagon/HexagonInstrInfo.td b/lib/Target/Hexagon/HexagonInstrInfo.td
index e91d71d82a717583c0c6712e3c81a158da9fa8bf..b9b03ada9deeb233cdd3f08ff6401749446a12ed 100644 (file)
--- a/lib/Target/Hexagon/HexagonInstrInfo.td
+++ b/lib/Target/Hexagon/HexagonInstrInfo.td
@@ -266,6 +266,7 @@ multiclass ALU32_2op_base<string mnemonic, bits<3> minOp> {
 }
 
 defm aslh : ALU32_2op_base<"aslh", 0b000>, PredNewRel;
+defm asrh : ALU32_2op_base<"asrh", 0b001>, PredNewRel;
 defm sxtb : ALU32_2op_base<"sxtb", 0b101>, PredNewRel;
 defm sxth : ALU32_2op_base<"sxth", 0b111>, PredNewRel;
 defm zxth : ALU32_2op_base<"zxth", 0b110>, PredNewRel;
@@ -602,46 +603,11 @@ def MUX_ii : ALU32_ii<(outs IntRegs:$dst), (ins PredRegs:$src1, s8Ext:$src2,
                                                     s8ExtPred:$src2,
                                                     s8ImmPred:$src3)))]>;
 
-// ALU32 - aslh, asrh, sxtb, sxth, zxtb, zxth
-multiclass ALU32_2op_Pbase<string mnemonic, bit isNot, bit isPredNew> {
-  let isPredicatedNew = isPredNew in
-  def NAME : ALU32Inst<(outs IntRegs:$dst),
-                       (ins PredRegs:$src1, IntRegs:$src2),
-            !if(isNot, "if (!$src1", "if ($src1")#!if(isPredNew,".new) $dst = ",
-            ") $dst = ")#mnemonic#"($src2)">,
-            Requires<[HasV4T]>;
-}
-
-multiclass ALU32_2op_Pred2<string mnemonic, bit PredNot> {
-  let isPredicatedFalse = PredNot in {
-    defm _c#NAME : ALU32_2op_Pbase<mnemonic, PredNot, 0>;
-    // Predicate new
-    defm _cdn#NAME : ALU32_2op_Pbase<mnemonic, PredNot, 1>;
-  }
-}
-
-multiclass ALU32_2op_base2<string mnemonic> {
-  let BaseOpcode = mnemonic in {
-    let isPredicable = 1, neverHasSideEffects = 1 in
-    def NAME : ALU32Inst<(outs IntRegs:$dst),
-                         (ins IntRegs:$src1),
-            "$dst = "#mnemonic#"($src1)">;
-
-    let Predicates = [HasV4T], validSubTargets = HasV4SubT, isPredicated = 1,
-    neverHasSideEffects = 1 in {
-      defm Pt_V4    : ALU32_2op_Pred2<mnemonic, 0>;
-      defm NotPt_V4 : ALU32_2op_Pred2<mnemonic, 1>;
-    }
-  }
-}
-
-defm ASRH : ALU32_2op_base2<"asrh">, PredNewRel;
-
 def : Pat <(shl (i32 IntRegs:$src1), (i32 16)),
            (A2_aslh IntRegs:$src1)>;
 
 def : Pat <(sra (i32 IntRegs:$src1), (i32 16)),
-           (ASRH IntRegs:$src1)>;
+           (A2_asrh IntRegs:$src1)>;
 
 def : Pat <(sext_inreg (i32 IntRegs:$src1), i8),
            (A2_sxtb IntRegs:$src1)>;

diff --git a/test/MC/Hexagon/inst_asrh.ll b/test/MC/Hexagon/inst_asrh.ll
new file mode 100644 (file)
index 0000000..8ea4cfe
--- /dev/null
+++ b/test/MC/Hexagon/inst_asrh.ll
@@ -0,0 +1,10 @@
+;; RUN: llc -mtriple=hexagon-unknown-elf -filetype=obj %s -o - \
+;; RUN: | llvm-objdump -s - | FileCheck %s
+
+define i32 @foo (i32 %a)
+{
+  %1 = ashr i32 %a, 16
+  ret i32 %1
+}
+
+; CHECK:   0000 00402070 00c09f52
\ No newline at end of file