mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 04:30:23 +00:00
ea204e70fc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224340 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
1.5 KiB
TableGen
41 lines
1.5 KiB
TableGen
//===-- HexagonIntrinsicsDerived.td - Derived intrinsics ---*- tablegen -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Multiply 64-bit and use lower result
|
|
//
|
|
// Optimized with intrinisics accumulates
|
|
//
|
|
def : Pat <(mul DoubleRegs:$src1, DoubleRegs:$src2),
|
|
(i64
|
|
(A2_combinew
|
|
(HEXAGON_M2_maci
|
|
(HEXAGON_M2_maci
|
|
(i32
|
|
(EXTRACT_SUBREG
|
|
(i64
|
|
(M2_dpmpyuu_s0 (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1),
|
|
subreg_loreg)),
|
|
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2),
|
|
subreg_loreg)))),
|
|
subreg_hireg)),
|
|
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), subreg_loreg)),
|
|
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2), subreg_hireg))),
|
|
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2), subreg_loreg)),
|
|
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), subreg_hireg))),
|
|
(i32
|
|
(EXTRACT_SUBREG
|
|
(i64
|
|
(M2_dpmpyuu_s0
|
|
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), subreg_loreg)),
|
|
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2),
|
|
subreg_loreg)))), subreg_loreg))))>;
|
|
|
|
|
|
|