1234285Sdim//===-- HexagonIntrinsicsDerived.td - Derived intrinsics ---*- tablegen -*-===// 2234285Sdim// 3234285Sdim// The LLVM Compiler Infrastructure 4234285Sdim// 5234285Sdim// This file is distributed under the University of Illinois Open Source 6234285Sdim// License. See LICENSE.TXT for details. 7234285Sdim// 8234285Sdim//===----------------------------------------------------------------------===// 9234285Sdim// 10234285Sdim// Multiply 64-bit and use lower result 11234285Sdim// 12234285Sdim// Optimized with intrinisics accumulates 13234285Sdim// 14234285Sdimdef : Pat <(mul DoubleRegs:$src1, DoubleRegs:$src2), 15245431Sdim (i64 16245431Sdim (COMBINE_rr 17245431Sdim (HEXAGON_M2_maci 18245431Sdim (HEXAGON_M2_maci 19245431Sdim (i32 20245431Sdim (EXTRACT_SUBREG 21245431Sdim (i64 22245431Sdim (MPYU64 (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), 23245431Sdim subreg_loreg)), 24245431Sdim (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2), 25245431Sdim subreg_loreg)))), 26245431Sdim subreg_hireg)), 27245431Sdim (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), subreg_loreg)), 28245431Sdim (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2), subreg_hireg))), 29245431Sdim (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2), subreg_loreg)), 30245431Sdim (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), subreg_hireg))), 31245431Sdim (i32 32245431Sdim (EXTRACT_SUBREG 33245431Sdim (i64 34245431Sdim (MPYU64 (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), subreg_loreg)), 35245431Sdim (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2), 36245431Sdim subreg_loreg)))), subreg_loreg))))>; 37234285Sdim 38234285Sdim 39234285Sdim 40