diff options
Diffstat (limited to 'lib/Target/PowerPC/MCTargetDesc')
| -rw-r--r-- | lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp | 8 | ||||
| -rw-r--r-- | lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h | 7 |
2 files changed, 14 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp b/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp index 63facc5446..c2987b641c 100644 --- a/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp +++ b/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp @@ -42,6 +42,10 @@ PPC::Predicate PPC::InvertPredicate(PPC::Predicate Opcode) { case PPC::PRED_LE_PLUS: return PPC::PRED_GT_MINUS; case PPC::PRED_NU_PLUS: return PPC::PRED_UN_MINUS; case PPC::PRED_UN_PLUS: return PPC::PRED_NU_MINUS; + + // Simple predicates for single condition-register bits. + case PPC::PRED_BIT_SET: return PPC::PRED_BIT_UNSET; + case PPC::PRED_BIT_UNSET: return PPC::PRED_BIT_SET; } llvm_unreachable("Unknown PPC branch opcode!"); } @@ -72,6 +76,10 @@ PPC::Predicate PPC::getSwappedPredicate(PPC::Predicate Opcode) { case PPC::PRED_LE_PLUS: return PPC::PRED_GE_PLUS; case PPC::PRED_NU_PLUS: return PPC::PRED_NU_PLUS; case PPC::PRED_UN_PLUS: return PPC::PRED_UN_PLUS; + + case PPC::PRED_BIT_SET: + case PPC::PRED_BIT_UNSET: + llvm_unreachable("Invalid use of bit predicate code"); } llvm_unreachable("Unknown PPC branch opcode!"); } diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h b/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h index d498c2f8f4..c140973776 100644 --- a/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h +++ b/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h @@ -48,7 +48,12 @@ namespace PPC { PRED_GT_PLUS = (1 << 5) | 15, PRED_NE_PLUS = (2 << 5) | 7, PRED_UN_PLUS = (3 << 5) | 15, - PRED_NU_PLUS = (3 << 5) | 7 + PRED_NU_PLUS = (3 << 5) | 7, + + // When dealing with individual condition-register bits, we have simple set + // and unset predicates. + PRED_BIT_SET = -1, + PRED_BIT_UNSET = -2 }; /// Invert the specified predicate. != -> ==, < -> >=. |