| Akira Hatanaka | ecfb828 | 2012-09-22 00:07:12 +0000 | [diff] [blame] | 1 | //===- MipsDSPInstrInfo.td - DSP ASE instructions -*- tablegen ------------*-=// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file describes Mips DSP ASE instructions. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | // ImmLeaf |
| 15 | def immZExt2 : ImmLeaf<i32, [{return isUInt<2>(Imm);}]>; |
| 16 | def immZExt3 : ImmLeaf<i32, [{return isUInt<3>(Imm);}]>; |
| 17 | def immZExt4 : ImmLeaf<i32, [{return isUInt<4>(Imm);}]>; |
| 18 | def immZExt8 : ImmLeaf<i32, [{return isUInt<8>(Imm);}]>; |
| 19 | def immZExt10 : ImmLeaf<i32, [{return isUInt<10>(Imm);}]>; |
| 20 | def immSExt6 : ImmLeaf<i32, [{return isInt<6>(Imm);}]>; |
| Akira Hatanaka | 5eeac4f | 2012-09-27 01:50:59 +0000 | [diff] [blame^] | 21 | |
| 22 | // Patterns. |
| 23 | class DSPPat<dag pattern, dag result, Predicate pred = HasDSP> : |
| 24 | Pat<pattern, result>, Requires<[pred]>; |
| 25 | |
| 26 | def : DSPPat<(v2i16 (load addr:$a)), |
| 27 | (v2i16 (COPY_TO_REGCLASS (LW addr:$a), DSPRegs))>; |
| 28 | def : DSPPat<(v4i8 (load addr:$a)), |
| 29 | (v4i8 (COPY_TO_REGCLASS (LW addr:$a), DSPRegs))>; |
| 30 | def : DSPPat<(store (v2i16 DSPRegs:$val), addr:$a), |
| 31 | (SW (COPY_TO_REGCLASS DSPRegs:$val, CPURegs), addr:$a)>; |
| 32 | def : DSPPat<(store (v4i8 DSPRegs:$val), addr:$a), |
| 33 | (SW (COPY_TO_REGCLASS DSPRegs:$val, CPURegs), addr:$a)>; |