X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86RegisterInfo.td;h=a5e3fc25d267664a866e9b922dac905378514e30;hb=163e83d69a22916b34c06ae50a1540e90b82becb;hp=d0e0db16a2fc65d6832aaf1250e5f65556f5a73e;hpb=a5b412581c09f634eb2983965fbbe8790ae4817f;p=oota-llvm.git

diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td
index d0e0db16a2f..a5e3fc25d26 100644
--- a/lib/Target/X86/X86RegisterInfo.td
+++ b/lib/Target/X86/X86RegisterInfo.td
@@ -147,7 +147,7 @@ let Namespace = "X86" in {
   def MM5 : Register<"mm5">, DwarfRegNum<[46, 34, 34]>;
   def MM6 : Register<"mm6">, DwarfRegNum<[47, 35, 35]>;
   def MM7 : Register<"mm7">, DwarfRegNum<[48, 36, 36]>;
-  
+
   // Pseudo Floating Point registers
   def FP0 : Register<"fp0">;
   def FP1 : Register<"fp1">;
@@ -155,7 +155,7 @@ let Namespace = "X86" in {
   def FP3 : Register<"fp3">;
   def FP4 : Register<"fp4">;
   def FP5 : Register<"fp5">;
-  def FP6 : Register<"fp6">; 
+  def FP6 : Register<"fp6">;
 
   // XMM Registers, used by the various SSE instruction set extensions.
   // The sub_ss and sub_sd subregs are the same registers with another regclass.
@@ -231,7 +231,7 @@ let Namespace = "X86" in {
   def DR6 : Register<"dr6">;
   def DR7 : Register<"dr7">;
   
-  // Condition registers
+  // Control registers
   def CR0 : Register<"cr0">;
   def CR1 : Register<"cr1">;
   def CR2 : Register<"cr2">;
@@ -241,6 +241,17 @@ let Namespace = "X86" in {
   def CR6 : Register<"cr6">;
   def CR7 : Register<"cr7">;
   def CR8 : Register<"cr8">;
+  def CR9 : Register<"cr9">;
+  def CR10 : Register<"cr10">;
+  def CR11 : Register<"cr11">;
+  def CR12 : Register<"cr12">;
+  def CR13 : Register<"cr13">;
+  def CR14 : Register<"cr14">;
+  def CR15 : Register<"cr15">;
+
+  // Pseudo index registers
+  def EIZ : Register<"eiz">;
+  def RIZ : Register<"riz">;
 }
 
 
@@ -288,14 +299,14 @@ def GR8 : RegisterClass<"X86", [i8],  8,
     GR8Class::iterator
     GR8Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       // Does the function dedicate RBP / EBP to being a frame ptr?
       if (!Subtarget.is64Bit())
         // In 32-mode, none of the 8-bit registers aliases EBP or ESP.
         return begin() + 8;
-      else if (RI->hasFP(MF) || MFI->getReserveFP())
+      else if (TFI->hasFP(MF) || MFI->getReserveFP())
         // If so, don't allocate SPL or BPL.
         return array_endof(X86_GR8_AO_64) - 1;
       else
@@ -333,12 +344,12 @@ def GR16 : RegisterClass<"X86", [i16], 16,
     GR16Class::iterator
     GR16Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       if (Subtarget.is64Bit()) {
         // Does the function dedicate RBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate SP or BP.
           return array_endof(X86_GR16_AO_64) - 1;
         else
@@ -346,7 +357,7 @@ def GR16 : RegisterClass<"X86", [i16], 16,
           return array_endof(X86_GR16_AO_64);
       } else {
         // Does the function dedicate EBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate SP or BP.
           return begin() + 6;
         else
@@ -357,7 +368,7 @@ def GR16 : RegisterClass<"X86", [i16], 16,
   }];
 }
 
-def GR32 : RegisterClass<"X86", [i32], 32, 
+def GR32 : RegisterClass<"X86", [i32], 32,
                          [EAX, ECX, EDX, ESI, EDI, EBX, EBP, ESP,
                           R8D, R9D, R10D, R11D, R14D, R15D, R12D, R13D]> {
   let SubRegClasses = [(GR8 sub_8bit, sub_8bit_hi), (GR16 sub_16bit)];
@@ -385,12 +396,12 @@ def GR32 : RegisterClass<"X86", [i32], 32,
     GR32Class::iterator
     GR32Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       if (Subtarget.is64Bit()) {
         // Does the function dedicate RBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate ESP or EBP.
           return array_endof(X86_GR32_AO_64) - 1;
         else
@@ -398,7 +409,7 @@ def GR32 : RegisterClass<"X86", [i32], 32,
           return array_endof(X86_GR32_AO_64);
       } else {
         // Does the function dedicate EBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate ESP or EBP.
           return begin() + 6;
         else
@@ -412,7 +423,7 @@ def GR32 : RegisterClass<"X86", [i32], 32,
 // GR64 - 64-bit GPRs. This oddly includes RIP, which isn't accurate, since
 // RIP isn't really a register and it can't be used anywhere except in an
 // address, but it doesn't cause trouble.
-def GR64 : RegisterClass<"X86", [i64], 64, 
+def GR64 : RegisterClass<"X86", [i64], 64,
                          [RAX, RCX, RDX, RSI, RDI, R8, R9, R10, R11,
                           RBX, R14, R15, R12, R13, RBP, RSP, RIP]> {
   let SubRegClasses = [(GR8 sub_8bit, sub_8bit_hi),
@@ -425,13 +436,13 @@ def GR64 : RegisterClass<"X86", [i64], 64,
     GR64Class::iterator
     GR64Class::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       if (!Subtarget.is64Bit())
         return begin();  // None of these are allocatable in 32-bit.
       // Does the function dedicate RBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         return end()-3;  // If so, don't allocate RIP, RSP or RBP
       else
         return end()-2;  // If not, just don't allocate RIP or RSP
@@ -442,18 +453,16 @@ def GR64 : RegisterClass<"X86", [i64], 64,
 // Segment registers for use by MOV instructions (and others) that have a
 //   segment register as one operand.  Always contain a 16-bit segment
 //   descriptor.
-def SEGMENT_REG : RegisterClass<"X86", [i16], 16, [CS, DS, SS, ES, FS, GS]> {
-}
+def SEGMENT_REG : RegisterClass<"X86", [i16], 16, [CS, DS, SS, ES, FS, GS]>;
 
 // Debug registers.
-def DEBUG_REG : RegisterClass<"X86", [i32], 32, 
-                              [DR0, DR1, DR2, DR3, DR4, DR5, DR6, DR7]> {
-}
+def DEBUG_REG : RegisterClass<"X86", [i32], 32,
+                              [DR0, DR1, DR2, DR3, DR4, DR5, DR6, DR7]>;
 
 // Control registers.
 def CONTROL_REG : RegisterClass<"X86", [i64], 64,
-                                [CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7, CR8]> {
-}
+                                [CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7, CR8,
+                                 CR9, CR10, CR11, CR12, CR13, CR14, CR15]>;
 
 // GR8_ABCD_L, GR8_ABCD_H, GR16_ABCD, GR32_ABCD, GR64_ABCD - Subclasses of
 // GR8, GR16, GR32, and GR64 which contain just the "a" "b", "c", and "d"
@@ -461,10 +470,8 @@ def CONTROL_REG : RegisterClass<"X86", [i64], 64,
 // that support 8-bit subreg operations. On x86-64, GR16_ABCD, GR32_ABCD,
 // and GR64_ABCD are classes for registers that support 8-bit h-register
 // operations.
-def GR8_ABCD_L : RegisterClass<"X86", [i8], 8, [AL, CL, DL, BL]> {
-}
-def GR8_ABCD_H : RegisterClass<"X86", [i8], 8, [AH, CH, DH, BH]> {
-}
+def GR8_ABCD_L : RegisterClass<"X86", [i8], 8, [AL, CL, DL, BL]>;
+def GR8_ABCD_H : RegisterClass<"X86", [i8], 8, [AH, CH, DH, BH]>;
 def GR16_ABCD : RegisterClass<"X86", [i16], 16, [AX, CX, DX, BX]> {
   let SubRegClasses = [(GR8_ABCD_L sub_8bit), (GR8_ABCD_H sub_8bit_hi)];
 }
@@ -534,10 +541,10 @@ def GR16_NOREX : RegisterClass<"X86", [i16], 16,
     GR16_NOREXClass::iterator
     GR16_NOREXClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       // Does the function dedicate RBP / EBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         // If so, don't allocate SP or BP.
         return end() - 2;
       else
@@ -558,10 +565,10 @@ def GR32_NOREX : RegisterClass<"X86", [i32], 32,
     GR32_NOREXClass::iterator
     GR32_NOREXClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       // Does the function dedicate RBP / EBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         // If so, don't allocate ESP or EBP.
         return end() - 2;
       else
@@ -583,10 +590,10 @@ def GR64_NOREX : RegisterClass<"X86", [i64], 64,
     GR64_NOREXClass::iterator
     GR64_NOREXClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       // Does the function dedicate RBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         // If so, don't allocate RIP, RSP or RBP.
         return end() - 3;
       else
@@ -625,12 +632,12 @@ def GR32_NOSP : RegisterClass<"X86", [i32], 32,
     GR32_NOSPClass::iterator
     GR32_NOSPClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       if (Subtarget.is64Bit()) {
         // Does the function dedicate RBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate EBP.
           return array_endof(X86_GR32_NOSP_AO_64) - 1;
         else
@@ -638,7 +645,7 @@ def GR32_NOSP : RegisterClass<"X86", [i32], 32,
           return array_endof(X86_GR32_NOSP_AO_64);
       } else {
         // Does the function dedicate EBP to being a frame ptr?
-        if (RI->hasFP(MF) || MFI->getReserveFP())
+        if (TFI->hasFP(MF) || MFI->getReserveFP())
           // If so, don't allocate EBP.
           return begin() + 6;
         else
@@ -663,13 +670,13 @@ def GR64_NOSP : RegisterClass<"X86", [i64], 64,
     GR64_NOSPClass::iterator
     GR64_NOSPClass::allocation_order_end(const MachineFunction &MF) const {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       if (!Subtarget.is64Bit())
         return begin();  // None of these are allocatable in 32-bit.
       // Does the function dedicate RBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         return end()-1;  // If so, don't allocate RBP
       else
         return end();  // If not, any reg in this class is ok.
@@ -691,10 +698,10 @@ def GR64_NOREX_NOSP : RegisterClass<"X86", [i64], 64,
     GR64_NOREX_NOSPClass::allocation_order_end(const MachineFunction &MF) const
   {
       const TargetMachine &TM = MF.getTarget();
-      const TargetRegisterInfo *RI = TM.getRegisterInfo();
+      const TargetFrameInfo *TFI = TM.getFrameInfo();
       const X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       // Does the function dedicate RBP to being a frame ptr?
-      if (RI->hasFP(MF) || MFI->getReserveFP())
+      if (TFI->hasFP(MF) || MFI->getReserveFP())
         // If so, don't allocate RBP.
         return end() - 1;
       else
@@ -780,14 +787,14 @@ def RST : RegisterClass<"X86", [f80, f64, f32], 32,
 }
 
 // Generic vector registers: VR64 and VR128.
-def VR64  : RegisterClass<"X86", [v8i8, v4i16, v2i32, v1i64], 64,
+def VR64: RegisterClass<"X86", [x86mmx], 64,
                           [MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7]>;
 def VR128 : RegisterClass<"X86", [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],128,
                           [XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
                            XMM8, XMM9, XMM10, XMM11,
                            XMM12, XMM13, XMM14, XMM15]> {
   let SubRegClasses = [(FR32 sub_ss), (FR64 sub_sd)];
-  
+
   let MethodProtos = [{
     iterator allocation_order_end(const MachineFunction &MF) const;
   }];
@@ -803,14 +810,41 @@ def VR128 : RegisterClass<"X86", [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],128,
     }
   }];
 }
-def VR256 : RegisterClass<"X86", [ v8i32, v4i64, v8f32, v4f64],256,
+
+def VR256 : RegisterClass<"X86", [v32i8, v8i32, v4i64, v8f32, v4f64], 256,
                           [YMM0, YMM1, YMM2, YMM3, YMM4, YMM5, YMM6, YMM7,
                            YMM8, YMM9, YMM10, YMM11,
                            YMM12, YMM13, YMM14, YMM15]> {
   let SubRegClasses = [(FR32 sub_ss), (FR64 sub_sd), (VR128 sub_xmm)];
+
+  let MethodProtos = [{
+    iterator allocation_order_end(const MachineFunction &MF) const;
+  }];
+  let MethodBodies = [{
+    VR256Class::iterator
+    VR256Class::allocation_order_end(const MachineFunction &MF) const {
+      const TargetMachine &TM = MF.getTarget();
+      const X86Subtarget &Subtarget = TM.getSubtarget<X86Subtarget>();
+      if (!Subtarget.is64Bit())
+        return end()-8; // Only YMM0 to YMM7 are available in 32-bit mode.
+      else
+        return end();
+    }
+  }];
 }
 
 // Status flags registers.
 def CCR : RegisterClass<"X86", [i32], 32, [EFLAGS]> {
   let CopyCost = -1;  // Don't allow copying of status registers.
+
+  // EFLAGS is not allocatable.
+  let MethodProtos = [{
+    iterator allocation_order_end(const MachineFunction &MF) const;
+  }];
+  let MethodBodies = [{
+    CCRClass::iterator
+    CCRClass::allocation_order_end(const MachineFunction &MF) const {
+      return allocation_order_begin(MF);
+    }
+  }];
 }