| //===-- PPCPredicates.h - PPC Branch Predicate Information ------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file describes the PowerPC branch predicates. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TARGET_POWERPC_PPCPREDICATES_H |
| #define LLVM_TARGET_POWERPC_PPCPREDICATES_H |
| |
| // GCC #defines PPC on Linux but we use it as our namespace name |
| #undef PPC |
| |
| // Generated files will use "namespace PPC". To avoid symbol clash, |
| // undefine PPC here. PPC may be predefined on some hosts. |
| #undef PPC |
| |
| namespace llvm { |
| namespace PPC { |
| /// Predicate - These are "(BI << 5) | BO" for various predicates. |
| enum Predicate { |
| PRED_ALWAYS = (0 << 5) | 20, |
| PRED_LT = (0 << 5) | 12, |
| PRED_LE = (1 << 5) | 4, |
| PRED_EQ = (2 << 5) | 12, |
| PRED_GE = (0 << 5) | 4, |
| PRED_GT = (1 << 5) | 12, |
| PRED_NE = (2 << 5) | 4, |
| PRED_UN = (3 << 5) | 12, |
| PRED_NU = (3 << 5) | 4 |
| }; |
| |
| /// Invert the specified predicate. != -> ==, < -> >=. |
| Predicate InvertPredicate(Predicate Opcode); |
| } |
| } |
| |
| #endif |
