| David Greene | b1b7ab3 | 2010-02-09 23:52:19 +0000 | [diff] [blame] | 1 | //======- X86InstrFragmentsSIMD.td - x86 ISA -------------*- 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 provides pattern fragments useful for SIMD instructions. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | //===----------------------------------------------------------------------===// |
| 15 | // MMX Pattern Fragments |
| 16 | //===----------------------------------------------------------------------===// |
| 17 | |
| 18 | def load_mmx : PatFrag<(ops node:$ptr), (v1i64 (load node:$ptr))>; |
| 19 | |
| 20 | def bc_v8i8 : PatFrag<(ops node:$in), (v8i8 (bitconvert node:$in))>; |
| 21 | def bc_v4i16 : PatFrag<(ops node:$in), (v4i16 (bitconvert node:$in))>; |
| 22 | def bc_v2i32 : PatFrag<(ops node:$in), (v2i32 (bitconvert node:$in))>; |
| 23 | def bc_v1i64 : PatFrag<(ops node:$in), (v1i64 (bitconvert node:$in))>; |
| 24 | |
| 25 | //===----------------------------------------------------------------------===// |
| 26 | // MMX Masks |
| 27 | //===----------------------------------------------------------------------===// |
| 28 | |
| 29 | // MMX_SHUFFLE_get_shuf_imm xform function: convert vector_shuffle mask to |
| 30 | // PSHUFW imm. |
| 31 | def MMX_SHUFFLE_get_shuf_imm : SDNodeXForm<vector_shuffle, [{ |
| 32 | return getI8Imm(X86::getShuffleSHUFImmediate(N)); |
| 33 | }]>; |
| 34 | |
| 35 | // Patterns for: vector_shuffle v1, v2, <2, 6, 3, 7, ...> |
| 36 | def mmx_unpckh : PatFrag<(ops node:$lhs, node:$rhs), |
| 37 | (vector_shuffle node:$lhs, node:$rhs), [{ |
| 38 | return X86::isUNPCKHMask(cast<ShuffleVectorSDNode>(N)); |
| 39 | }]>; |
| 40 | |
| 41 | // Patterns for: vector_shuffle v1, v2, <0, 4, 2, 5, ...> |
| 42 | def mmx_unpckl : PatFrag<(ops node:$lhs, node:$rhs), |
| 43 | (vector_shuffle node:$lhs, node:$rhs), [{ |
| 44 | return X86::isUNPCKLMask(cast<ShuffleVectorSDNode>(N)); |
| 45 | }]>; |
| 46 | |
| 47 | // Patterns for: vector_shuffle v1, <undef>, <0, 0, 1, 1, ...> |
| 48 | def mmx_unpckh_undef : PatFrag<(ops node:$lhs, node:$rhs), |
| 49 | (vector_shuffle node:$lhs, node:$rhs), [{ |
| 50 | return X86::isUNPCKH_v_undef_Mask(cast<ShuffleVectorSDNode>(N)); |
| 51 | }]>; |
| 52 | |
| 53 | // Patterns for: vector_shuffle v1, <undef>, <2, 2, 3, 3, ...> |
| 54 | def mmx_unpckl_undef : PatFrag<(ops node:$lhs, node:$rhs), |
| 55 | (vector_shuffle node:$lhs, node:$rhs), [{ |
| 56 | return X86::isUNPCKL_v_undef_Mask(cast<ShuffleVectorSDNode>(N)); |
| 57 | }]>; |
| 58 | |
| 59 | def mmx_pshufw : PatFrag<(ops node:$lhs, node:$rhs), |
| 60 | (vector_shuffle node:$lhs, node:$rhs), [{ |
| 61 | return X86::isPSHUFDMask(cast<ShuffleVectorSDNode>(N)); |
| 62 | }], MMX_SHUFFLE_get_shuf_imm>; |