-//=-- SystemZ.h - Top-level interface for SystemZ representation -*- C++ -*-==//
+//==- SystemZ.h - Top-Level Interface for SystemZ representation -*- C++ -*-==//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_TARGET_SystemZ_H
-#define LLVM_TARGET_SystemZ_H
+#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZ_H
+#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZ_H
-#include "llvm/Target/TargetMachine.h"
+#include "MCTargetDesc/SystemZMCTargetDesc.h"
+#include "llvm/Support/CodeGen.h"
namespace llvm {
- class SystemZTargetMachine;
- class FunctionPass;
- class formatted_raw_ostream;
-
- namespace SystemZCC {
- // SystemZ specific condition code. These correspond to SYSTEMZ_*_COND in
- // SystemZInstrInfo.td. They must be kept in synch.
- enum CondCodes {
- O = 0,
- H = 1,
- NLE = 2,
- L = 3,
- NHE = 4,
- LH = 5,
- NE = 6,
- E = 7,
- NLH = 8,
- HE = 9,
- NL = 10,
- LE = 11,
- NH = 12,
- NO = 13,
- INVALID = -1
- };
- }
-
- FunctionPass *createSystemZISelDag(SystemZTargetMachine &TM,
- CodeGenOpt::Level OptLevel);
- FunctionPass *createSystemZCodePrinterPass(formatted_raw_ostream &o,
- TargetMachine &tm,
- bool verbose);
-
- extern Target TheSystemZTarget;
-
-} // end namespace llvm;
-
-// Defines symbolic names for SystemZ registers.
-// This defines a mapping from register name to register number.
-#include "SystemZGenRegisterNames.inc"
-
-// Defines symbolic names for the SystemZ instructions.
-#include "SystemZGenInstrNames.inc"
+class SystemZTargetMachine;
+class FunctionPass;
+
+namespace SystemZ {
+// Condition-code mask values.
+const unsigned CCMASK_0 = 1 << 3;
+const unsigned CCMASK_1 = 1 << 2;
+const unsigned CCMASK_2 = 1 << 1;
+const unsigned CCMASK_3 = 1 << 0;
+const unsigned CCMASK_ANY = CCMASK_0 | CCMASK_1 | CCMASK_2 | CCMASK_3;
+
+// Condition-code mask assignments for integer and floating-point
+// comparisons.
+const unsigned CCMASK_CMP_EQ = CCMASK_0;
+const unsigned CCMASK_CMP_LT = CCMASK_1;
+const unsigned CCMASK_CMP_GT = CCMASK_2;
+const unsigned CCMASK_CMP_NE = CCMASK_CMP_LT | CCMASK_CMP_GT;
+const unsigned CCMASK_CMP_LE = CCMASK_CMP_EQ | CCMASK_CMP_LT;
+const unsigned CCMASK_CMP_GE = CCMASK_CMP_EQ | CCMASK_CMP_GT;
+
+// Condition-code mask assignments for floating-point comparisons only.
+const unsigned CCMASK_CMP_UO = CCMASK_3;
+const unsigned CCMASK_CMP_O = CCMASK_ANY ^ CCMASK_CMP_UO;
+
+// All condition-code values produced by comparisons.
+const unsigned CCMASK_ICMP = CCMASK_0 | CCMASK_1 | CCMASK_2;
+const unsigned CCMASK_FCMP = CCMASK_0 | CCMASK_1 | CCMASK_2 | CCMASK_3;
+
+// Condition-code mask assignments for CS.
+const unsigned CCMASK_CS_EQ = CCMASK_0;
+const unsigned CCMASK_CS_NE = CCMASK_1;
+const unsigned CCMASK_CS = CCMASK_0 | CCMASK_1;
+
+// Condition-code mask assignments for a completed SRST loop.
+const unsigned CCMASK_SRST_FOUND = CCMASK_1;
+const unsigned CCMASK_SRST_NOTFOUND = CCMASK_2;
+const unsigned CCMASK_SRST = CCMASK_1 | CCMASK_2;
+
+// Condition-code mask assignments for TEST UNDER MASK.
+const unsigned CCMASK_TM_ALL_0 = CCMASK_0;
+const unsigned CCMASK_TM_MIXED_MSB_0 = CCMASK_1;
+const unsigned CCMASK_TM_MIXED_MSB_1 = CCMASK_2;
+const unsigned CCMASK_TM_ALL_1 = CCMASK_3;
+const unsigned CCMASK_TM_SOME_0 = CCMASK_TM_ALL_1 ^ CCMASK_ANY;
+const unsigned CCMASK_TM_SOME_1 = CCMASK_TM_ALL_0 ^ CCMASK_ANY;
+const unsigned CCMASK_TM_MSB_0 = CCMASK_0 | CCMASK_1;
+const unsigned CCMASK_TM_MSB_1 = CCMASK_2 | CCMASK_3;
+const unsigned CCMASK_TM = CCMASK_ANY;
+
+// Condition-code mask assignments for TRANSACTION_BEGIN.
+const unsigned CCMASK_TBEGIN_STARTED = CCMASK_0;
+const unsigned CCMASK_TBEGIN_INDETERMINATE = CCMASK_1;
+const unsigned CCMASK_TBEGIN_TRANSIENT = CCMASK_2;
+const unsigned CCMASK_TBEGIN_PERSISTENT = CCMASK_3;
+const unsigned CCMASK_TBEGIN = CCMASK_ANY;
+
+// Condition-code mask assignments for TRANSACTION_END.
+const unsigned CCMASK_TEND_TX = CCMASK_0;
+const unsigned CCMASK_TEND_NOTX = CCMASK_2;
+const unsigned CCMASK_TEND = CCMASK_TEND_TX | CCMASK_TEND_NOTX;
+
+// The position of the low CC bit in an IPM result.
+const unsigned IPM_CC = 28;
+
+// Mask assignments for PFD.
+const unsigned PFD_READ = 1;
+const unsigned PFD_WRITE = 2;
+
+// Return true if Val fits an LLILL operand.
+static inline bool isImmLL(uint64_t Val) {
+ return (Val & ~0x000000000000ffffULL) == 0;
+}
+
+// Return true if Val fits an LLILH operand.
+static inline bool isImmLH(uint64_t Val) {
+ return (Val & ~0x00000000ffff0000ULL) == 0;
+}
+
+// Return true if Val fits an LLIHL operand.
+static inline bool isImmHL(uint64_t Val) {
+ return (Val & ~0x00000ffff00000000ULL) == 0;
+}
+
+// Return true if Val fits an LLIHH operand.
+static inline bool isImmHH(uint64_t Val) {
+ return (Val & ~0xffff000000000000ULL) == 0;
+}
+
+// Return true if Val fits an LLILF operand.
+static inline bool isImmLF(uint64_t Val) {
+ return (Val & ~0x00000000ffffffffULL) == 0;
+}
+
+// Return true if Val fits an LLIHF operand.
+static inline bool isImmHF(uint64_t Val) {
+ return (Val & ~0xffffffff00000000ULL) == 0;
+}
+} // end namespace SystemZ
+
+FunctionPass *createSystemZISelDag(SystemZTargetMachine &TM,
+ CodeGenOpt::Level OptLevel);
+FunctionPass *createSystemZElimComparePass(SystemZTargetMachine &TM);
+FunctionPass *createSystemZShortenInstPass(SystemZTargetMachine &TM);
+FunctionPass *createSystemZLongBranchPass(SystemZTargetMachine &TM);
+FunctionPass *createSystemZLDCleanupPass(SystemZTargetMachine &TM);
+} // end namespace llvm
#endif
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