Add conditional moves for the parity flag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19437 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 36 insertions, 0 deletions

diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index c5e9dcc809..dc9afa37af 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -486,6 +486,34 @@ def CMOVNS32rm: I<0x49, MRMSrcMem,       // if !signed, R32 = [mem32]
                   (ops R32:$dst, R32:$src1, i32mem:$src2),
                   "cmovns {$src2, $dst|$dst, $src2}">, TB;
 
+def CMOVP16rr : I<0x4A, MRMSrcReg,       // if parity, R16 = R16
+                  (ops R16:$dst, R16:$src1, R16:$src2),
+                  "cmovp {$src2, $dst|$dst, $src2}">, TB, OpSize;
+def CMOVP16rm : I<0x4A, MRMSrcMem,       // if parity, R16 = [mem16]
+                  (ops R16:$dst, R16:$src1, i16mem:$src2),
+                  "cmovp {$src2, $dst|$dst, $src2}">, TB, OpSize;
+def CMOVP32rr : I<0x4A, MRMSrcReg,       // if parity, R32 = R32
+                  (ops R32:$dst, R32:$src1, R32:$src2),
+                  "cmovp {$src2, $dst|$dst, $src2}">, TB;
+def CMOVP32rm : I<0x4A, MRMSrcMem,       // if parity, R32 = [mem32]
+                  (ops R32:$dst, R32:$src1, i32mem:$src2),
+                  "cmovp {$src2, $dst|$dst, $src2}">, TB;
+
+ 
+def CMOVNP16rr : I<0x4B, MRMSrcReg,       // if !parity, R16 = R16
+                  (ops R16:$dst, R16:$src1, R16:$src2),
+                  "cmovnp {$src2, $dst|$dst, $src2}">, TB, OpSize;
+def CMOVNP16rm : I<0x4B, MRMSrcMem,       // if !parity, R16 = [mem16]
+                  (ops R16:$dst, R16:$src1, i16mem:$src2),
+                  "cmovnp {$src2, $dst|$dst, $src2}">, TB, OpSize;
+def CMOVNP32rr : I<0x4B, MRMSrcReg,       // if !parity, R32 = R32
+                  (ops R32:$dst, R32:$src1, R32:$src2),
+                  "cmovnp {$src2, $dst|$dst, $src2}">, TB;
+def CMOVNP32rm : I<0x4B, MRMSrcMem,       // if !parity, R32 = [mem32]
+                  (ops R32:$dst, R32:$src1, i32mem:$src2),
+                  "cmovnp {$src2, $dst|$dst, $src2}">, TB;
+
+
 def CMOVL16rr : I<0x4C, MRMSrcReg,       // if <s, R16 = R16
                   (ops R16:$dst, R16:$src1, R16:$src2),
                   "cmovl {$src2, $dst|$dst, $src2}">, TB, OpSize;
@@ -1355,12 +1383,16 @@ let isTwoAddress = 1, Uses = [ST0], Defs = [ST0] in {
                     (ops RST:$op), "fcmovbe {$op, %ST(0)|%ST(0), $op}">, DA;
   def FCMOVE  : FPI<0xC8, AddRegFrm, CondMovFP,
                     (ops RST:$op), "fcmove {$op, %ST(0)|%ST(0), $op}">, DA;
+  def FCMOVP  : FPI<0xD8, AddRegFrm, CondMovFP,
+                    (ops RST:$op), "fcmovu  {$op, %ST(0)|%ST(0), $op}">, DA;
   def FCMOVAE : FPI<0xC0, AddRegFrm, CondMovFP,
                     (ops RST:$op), "fcmovae {$op, %ST(0)|%ST(0), $op}">, DB;
   def FCMOVA  : FPI<0xD0, AddRegFrm, CondMovFP,
                     (ops RST:$op), "fcmova {$op, %ST(0)|%ST(0), $op}">, DB;
   def FCMOVNE : FPI<0xC8, AddRegFrm, CondMovFP,
                     (ops RST:$op), "fcmovne {$op, %ST(0)|%ST(0), $op}">, DB;
+  def FCMOVNP : FPI<0xD8, AddRegFrm, CondMovFP,
+                    (ops RST:$op), "fcmovnu {$op, %ST(0)|%ST(0), $op}">, DB;
 }
 
 // Floating point loads & stores...
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index f98ddb4fdc..456c0b32d0 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -276,6 +276,10 @@ MachineInstr* X86RegisterInfo::foldMemoryOperand(MachineInstr* MI,
     case X86::CMOVS32rr: return MakeRMInst(X86::CMOVS32rm , FrameIndex, MI);
     case X86::CMOVNS16rr: return MakeRMInst(X86::CMOVNS16rm , FrameIndex, MI);
     case X86::CMOVNS32rr: return MakeRMInst(X86::CMOVNS32rm , FrameIndex, MI);
+    case X86::CMOVP16rr: return MakeRMInst(X86::CMOVP16rm , FrameIndex, MI);
+    case X86::CMOVP32rr: return MakeRMInst(X86::CMOVP32rm , FrameIndex, MI);
+    case X86::CMOVNP16rr: return MakeRMInst(X86::CMOVNP16rm , FrameIndex, MI);
+    case X86::CMOVNP32rr: return MakeRMInst(X86::CMOVNP32rm , FrameIndex, MI);
     case X86::CMOVL16rr: return MakeRMInst(X86::CMOVL16rm , FrameIndex, MI);
     case X86::CMOVL32rr: return MakeRMInst(X86::CMOVL32rm , FrameIndex, MI);
     case X86::CMOVGE16rr: return MakeRMInst(X86::CMOVGE16rm , FrameIndex, MI);