diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Hexagon/HexagonIntrinsicsDerived.td')
| -rw-r--r-- | contrib/llvm/lib/Target/Hexagon/HexagonIntrinsicsDerived.td | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Hexagon/HexagonIntrinsicsDerived.td b/contrib/llvm/lib/Target/Hexagon/HexagonIntrinsicsDerived.td new file mode 100644 index 0000000..2788101 --- /dev/null +++ b/contrib/llvm/lib/Target/Hexagon/HexagonIntrinsicsDerived.td @@ -0,0 +1,39 @@ +//===-- 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 + (COMBINE_rr + (HEXAGON_M2_maci + (HEXAGON_M2_maci + (i32 + (EXTRACT_SUBREG + (i64 + (MPYU64 (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 + (MPYU64 (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src1), subreg_loreg)), + (i32 (EXTRACT_SUBREG (i64 DoubleRegs:$src2), + subreg_loreg)))), subreg_loreg))))>; + + + |
