| Krzysztof Parzyszek | 0e7d2d3 | 2016-04-28 16:43:16 +0000 | [diff] [blame^] | 1 | //==- HexagonAlias.td - Hexagon Instruction Aliases ---------*- 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 | //===----------------------------------------------------------------------===// |
| 11 | // Hexagon Instruction Mappings |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | // V6_vassignp: Vector assign mapping. |
| 15 | let hasNewValue = 1, opNewValue = 0, isAsmParserOnly = 1 in |
| 16 | def HEXAGON_V6_vassignpair: CVI_VA_DV_Resource < |
| 17 | (outs VecDblRegs:$Vdd), |
| 18 | (ins VecDblRegs:$Vss), |
| 19 | "$Vdd = $Vss">; |
| 20 | |
| 21 | // maps Vd = #0 to Vd = vxor(Vd, Vd) |
| 22 | def : InstAlias<"$Vd = #0", |
| 23 | (V6_vxor VectorRegs:$Vd, VectorRegs:$Vd, VectorRegs:$Vd)>, |
| 24 | Requires<[HasV60T]>; |
| 25 | |
| 26 | // maps Vdd = #0 to Vdd = vsub(Vdd, Vdd) |
| 27 | def : InstAlias<"$Vdd = #0", |
| 28 | (V6_vsubw_dv VecDblRegs:$Vdd, VecDblRegs:$Vdd, VecDblRegs:$Vdd)>, |
| 29 | Requires<[HasV60T]>; |