1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
//===-- 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
(M2_maci
(M2_maci
(i32
(EXTRACT_SUBREG
(i64
(M2_dpmpyuu_s0 (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1),
isub_lo)),
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2),
isub_lo)))),
isub_hi)),
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), isub_lo)),
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2), isub_hi))),
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2), isub_lo)),
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), isub_hi))),
(i32
(EXTRACT_SUBREG
(i64
(M2_dpmpyuu_s0
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), isub_lo)),
(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2),
isub_lo)))), isub_lo))))>;
|
