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TableGen fragment refactoring. 

Move some utility TableGen defs, classes, etc. into a common file so
they may be used my multiple pattern files.  We will use this for
the AVX specification to help with the transition from the current
SSE specification.

llvm-svn: 95727
This commit is contained in:
David Greene 2010-02-09 23:52:19 +00:00
parent 096807e77e
commit 509be1fe5e
3 changed files with 68 additions and 50 deletions
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62
llvm/lib/Target/X86/X86InstrFragmentsSIMD.td Normal file
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@ -0,0 +1,62 @@
//======- X86InstrFragmentsSIMD.td - x86 ISA -------------*- tablegen -*-=====//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides pattern fragments useful for SIMD instructions.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// MMX Pattern Fragments
//===----------------------------------------------------------------------===//
def load_mmx : PatFrag<(ops node:$ptr), (v1i64 (load node:$ptr))>;
def bc_v8i8 : PatFrag<(ops node:$in), (v8i8 (bitconvert node:$in))>;
def bc_v4i16 : PatFrag<(ops node:$in), (v4i16 (bitconvert node:$in))>;
def bc_v2i32 : PatFrag<(ops node:$in), (v2i32 (bitconvert node:$in))>;
def bc_v1i64 : PatFrag<(ops node:$in), (v1i64 (bitconvert node:$in))>;
//===----------------------------------------------------------------------===//
// MMX Masks
//===----------------------------------------------------------------------===//
// MMX_SHUFFLE_get_shuf_imm xform function: convert vector_shuffle mask to
// PSHUFW imm.
def MMX_SHUFFLE_get_shuf_imm : SDNodeXForm<vector_shuffle, [{
return getI8Imm(X86::getShuffleSHUFImmediate(N));
}]>;
// Patterns for: vector_shuffle v1, v2, <2, 6, 3, 7, ...>
def mmx_unpckh : PatFrag<(ops node:$lhs, node:$rhs),
(vector_shuffle node:$lhs, node:$rhs), [{
return X86::isUNPCKHMask(cast<ShuffleVectorSDNode>(N));
}]>;
// Patterns for: vector_shuffle v1, v2, <0, 4, 2, 5, ...>
def mmx_unpckl : PatFrag<(ops node:$lhs, node:$rhs),
(vector_shuffle node:$lhs, node:$rhs), [{
return X86::isUNPCKLMask(cast<ShuffleVectorSDNode>(N));
}]>;
// Patterns for: vector_shuffle v1, <undef>, <0, 0, 1, 1, ...>
def mmx_unpckh_undef : PatFrag<(ops node:$lhs, node:$rhs),
(vector_shuffle node:$lhs, node:$rhs), [{
return X86::isUNPCKH_v_undef_Mask(cast<ShuffleVectorSDNode>(N));
}]>;
// Patterns for: vector_shuffle v1, <undef>, <2, 2, 3, 3, ...>
def mmx_unpckl_undef : PatFrag<(ops node:$lhs, node:$rhs),
(vector_shuffle node:$lhs, node:$rhs), [{
return X86::isUNPCKL_v_undef_Mask(cast<ShuffleVectorSDNode>(N));
}]>;
def mmx_pshufw : PatFrag<(ops node:$lhs, node:$rhs),
(vector_shuffle node:$lhs, node:$rhs), [{
return X86::isPSHUFDMask(cast<ShuffleVectorSDNode>(N));
}], MMX_SHUFFLE_get_shuf_imm>;

6
llvm/lib/Target/X86/X86InstrInfo.td
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@ -5223,6 +5223,12 @@ include "X86InstrFPStack.td"
include "X86Instr64bit.td"
//===----------------------------------------------------------------------===//
// SIMD support (SSE, MMX and AVX)
//===----------------------------------------------------------------------===//
include "X86InstrFragmentsSIMD.td"
//===----------------------------------------------------------------------===//
// XMM Floating point support (requires SSE / SSE2)
//===----------------------------------------------------------------------===//

50
llvm/lib/Target/X86/X86InstrMMX.td
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@ -13,56 +13,6 @@
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// MMX Pattern Fragments
//===----------------------------------------------------------------------===//
def load_mmx : PatFrag<(ops node:$ptr), (v1i64 (load node:$ptr))>;
def bc_v8i8 : PatFrag<(ops node:$in), (v8i8 (bitconvert node:$in))>;
def bc_v4i16 : PatFrag<(ops node:$in), (v4i16 (bitconvert node:$in))>;
def bc_v2i32 : PatFrag<(ops node:$in), (v2i32 (bitconvert node:$in))>;
def bc_v1i64 : PatFrag<(ops node:$in), (v1i64 (bitconvert node:$in))>;
//===----------------------------------------------------------------------===//
// MMX Masks
//===----------------------------------------------------------------------===//
// MMX_SHUFFLE_get_shuf_imm xform function: convert vector_shuffle mask to
// PSHUFW imm.
def MMX_SHUFFLE_get_shuf_imm : SDNodeXForm<vector_shuffle, [{
return getI8Imm(X86::getShuffleSHUFImmediate(N));
}]>;
// Patterns for: vector_shuffle v1, v2, <2, 6, 3, 7, ...>
def mmx_unpckh : PatFrag<(ops node:$lhs, node:$rhs),
(vector_shuffle node:$lhs, node:$rhs), [{
return X86::isUNPCKHMask(cast<ShuffleVectorSDNode>(N));
}]>;
// Patterns for: vector_shuffle v1, v2, <0, 4, 2, 5, ...>
def mmx_unpckl : PatFrag<(ops node:$lhs, node:$rhs),
(vector_shuffle node:$lhs, node:$rhs), [{
return X86::isUNPCKLMask(cast<ShuffleVectorSDNode>(N));
}]>;
// Patterns for: vector_shuffle v1, <undef>, <0, 0, 1, 1, ...>
def mmx_unpckh_undef : PatFrag<(ops node:$lhs, node:$rhs),
(vector_shuffle node:$lhs, node:$rhs), [{
return X86::isUNPCKH_v_undef_Mask(cast<ShuffleVectorSDNode>(N));
}]>;
// Patterns for: vector_shuffle v1, <undef>, <2, 2, 3, 3, ...>
def mmx_unpckl_undef : PatFrag<(ops node:$lhs, node:$rhs),
(vector_shuffle node:$lhs, node:$rhs), [{
return X86::isUNPCKL_v_undef_Mask(cast<ShuffleVectorSDNode>(N));
}]>;
def mmx_pshufw : PatFrag<(ops node:$lhs, node:$rhs),
(vector_shuffle node:$lhs, node:$rhs), [{
return X86::isPSHUFDMask(cast<ShuffleVectorSDNode>(N));
}], MMX_SHUFFLE_get_shuf_imm>;
//===----------------------------------------------------------------------===//
// MMX Multiclasses
//===----------------------------------------------------------------------===//