1 //======- X86InstrFragmentsSIMD.td - x86 ISA -------------*- tablegen -*-=====//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file provides pattern fragments useful for SIMD instructions.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // MMX Pattern Fragments
16 //===----------------------------------------------------------------------===//
18 def load_mmx : PatFrag<(ops node:$ptr), (v1i64 (load node:$ptr))>;
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))>;
25 //===----------------------------------------------------------------------===//
27 //===----------------------------------------------------------------------===//
29 // MMX_SHUFFLE_get_shuf_imm xform function: convert vector_shuffle mask to
31 def MMX_SHUFFLE_get_shuf_imm : SDNodeXForm<vector_shuffle, [{
32 return getI8Imm(X86::getShuffleSHUFImmediate(N));
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));
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));
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));
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));
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>;