Provide correct NEON encodings for vdup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117475 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 42 insertions, 8 deletions

diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td
index 2350e400f4..73efdeb175 100644
--- a/lib/Target/ARM/ARMInstrFormats.td
+++ b/lib/Target/ARM/ARMInstrFormats.td
@@ -1867,6 +1867,15 @@ class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
   let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
   let Pattern = pattern;
   list<Predicate> Predicates = [HasNEON];
+  
+  bits<5> Vd;
+  bits<4> Rt;
+  bits<4> p;
+  
+  let Inst{31-28} = p{3-0};
+  let Inst{7}     = Vd{4};
+  let Inst{19-16} = Vd{3-0};
+  let Inst{15-12} = Rt{3-0};
 }
 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
                 dag oops, dag iops, InstrItinClass itin,
@@ -1895,6 +1904,15 @@ class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
   let Inst{11-7}  = 0b11000;
   let Inst{6}     = op6;
   let Inst{4}     = 0;
+  
+  bits<5> Vd;
+  bits<5> Vm;
+  bits<4> lane;
+  
+  let Inst{22}     = Vd{4};
+  let Inst{15-12} = Vd{3-0};
+  let Inst{5}     = Vm{4};
+  let Inst{3-0} = Vm{3-0};
 }
 
 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index 0e2473650e..4e81265b19 100644
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -3679,14 +3679,30 @@ class VDUPLNQ<bits<4> op19_16, string OpcodeStr, string Dt,
 
 // Inst{19-16} is partially specified depending on the element size.
 
-def VDUPLN8d  : VDUPLND<{?,?,?,1}, "vdup", "8", v8i8>;
-def VDUPLN16d : VDUPLND<{?,?,1,0}, "vdup", "16", v4i16>;
-def VDUPLN32d : VDUPLND<{?,1,0,0}, "vdup", "32", v2i32>;
-def VDUPLNfd  : VDUPLND<{?,1,0,0}, "vdup", "32", v2f32>;
-def VDUPLN8q  : VDUPLNQ<{?,?,?,1}, "vdup", "8", v16i8, v8i8>;
-def VDUPLN16q : VDUPLNQ<{?,?,1,0}, "vdup", "16", v8i16, v4i16>;
-def VDUPLN32q : VDUPLNQ<{?,1,0,0}, "vdup", "32", v4i32, v2i32>;
-def VDUPLNfq  : VDUPLNQ<{?,1,0,0}, "vdup", "32", v4f32, v2f32>;
+def VDUPLN8d  : VDUPLND<{?,?,?,1}, "vdup", "8", v8i8> {
+  let Inst{19-17} = lane{2-0};
+}
+def VDUPLN16d : VDUPLND<{?,?,1,0}, "vdup", "16", v4i16> {
+  let Inst{19-18} = lane{1-0};
+}
+def VDUPLN32d : VDUPLND<{?,1,0,0}, "vdup", "32", v2i32> {
+  let Inst{19} = lane{0};
+}
+def VDUPLNfd  : VDUPLND<{?,1,0,0}, "vdup", "32", v2f32> {
+  let Inst{19} = lane{0};
+}
+def VDUPLN8q  : VDUPLNQ<{?,?,?,1}, "vdup", "8", v16i8, v8i8> {
+  let Inst{19-17} = lane{2-0};
+}
+def VDUPLN16q : VDUPLNQ<{?,?,1,0}, "vdup", "16", v8i16, v4i16> {
+  let Inst{19-18} = lane{1-0};
+}
+def VDUPLN32q : VDUPLNQ<{?,1,0,0}, "vdup", "32", v4i32, v2i32> {
+  let Inst{19} = lane{0};
+}
+def VDUPLNfq  : VDUPLNQ<{?,1,0,0}, "vdup", "32", v4f32, v2f32> {
+  let Inst{19} = lane{0};
+}
 
 def : Pat<(v16i8 (NEONvduplane (v16i8 QPR:$src), imm:$lane)),
           (v16i8 (VDUPLN8q (v8i8 (EXTRACT_SUBREG QPR:$src,