const unsigned CCMASK_3 = 1 << 0;
const unsigned CCMASK_ANY = CCMASK_0 | CCMASK_1 | CCMASK_2 | CCMASK_3;
- // Condition-code mask assignments for floating-point comparisons.
+ // 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_UO = CCMASK_3;
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;
+
+ // 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;
FunctionPass *createSystemZISelDag(SystemZTargetMachine &TM,
CodeGenOpt::Level OptLevel);
+ FunctionPass *createSystemZElimComparePass(SystemZTargetMachine &TM);
FunctionPass *createSystemZLongBranchPass(SystemZTargetMachine &TM);
} // end namespace llvm;
#endif