2011-12-13 05:14:40 +08:00
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//===-- HexagonIntrinsicsDerived.td - Derived intrinsics ---*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Multiply 64-bit and use lower result
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//
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// Optimized with intrinisics accumulates
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//
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def : Pat <(mul DoubleRegs:$src1, DoubleRegs:$src2),
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2012-05-12 03:39:13 +08:00
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(i64
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2014-12-10 03:23:45 +08:00
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(A2_combinew
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2015-01-29 02:29:11 +08:00
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(M2_maci
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(M2_maci
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2012-05-12 03:39:13 +08:00
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(i32
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(EXTRACT_SUBREG
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(i64
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2014-12-17 00:10:01 +08:00
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(M2_dpmpyuu_s0 (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1),
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2012-05-12 03:39:13 +08:00
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subreg_loreg)),
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(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2),
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subreg_loreg)))),
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subreg_hireg)),
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(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), subreg_loreg)),
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(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2), subreg_hireg))),
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(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2), subreg_loreg)),
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(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), subreg_hireg))),
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(i32
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(EXTRACT_SUBREG
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(i64
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2014-12-17 00:10:01 +08:00
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(M2_dpmpyuu_s0
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(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), subreg_loreg)),
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2012-05-12 03:39:13 +08:00
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(i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2),
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subreg_loreg)))), subreg_loreg))))>;
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2011-12-13 05:14:40 +08:00
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