diff options
Diffstat (limited to 'contrib/llvm/lib/Target/SystemZ/SystemZ.h')
| -rw-r--r-- | contrib/llvm/lib/Target/SystemZ/SystemZ.h | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/contrib/llvm/lib/Target/SystemZ/SystemZ.h b/contrib/llvm/lib/Target/SystemZ/SystemZ.h index b811cbe..dcebbad 100644 --- a/contrib/llvm/lib/Target/SystemZ/SystemZ.h +++ b/contrib/llvm/lib/Target/SystemZ/SystemZ.h @@ -30,16 +30,51 @@ namespace llvm { 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; + + // 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; @@ -73,5 +108,8 @@ namespace llvm { FunctionPass *createSystemZISelDag(SystemZTargetMachine &TM, CodeGenOpt::Level OptLevel); + FunctionPass *createSystemZElimComparePass(SystemZTargetMachine &TM); + FunctionPass *createSystemZShortenInstPass(SystemZTargetMachine &TM); + FunctionPass *createSystemZLongBranchPass(SystemZTargetMachine &TM); } // end namespace llvm; #endif |
