mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-26 08:55:22 +00:00
3d8c2ce3e4
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145924 91177308-0d34-0410-b5e6-96231b3b80d8
78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
//===-- X86ShuffleDecode.h - X86 shuffle decode logic -----------*-C++-*---===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Define several functions to decode x86 specific shuffle semantics into a
|
|
// generic vector mask.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef X86_SHUFFLE_DECODE_H
|
|
#define X86_SHUFFLE_DECODE_H
|
|
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/CodeGen/ValueTypes.h"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Vector Mask Decoding
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
namespace llvm {
|
|
enum {
|
|
SM_SentinelZero = ~0U
|
|
};
|
|
|
|
void DecodeINSERTPSMask(unsigned Imm, SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
// <3,1> or <6,7,2,3>
|
|
void DecodeMOVHLPSMask(unsigned NElts,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
// <0,2> or <0,1,4,5>
|
|
void DecodeMOVLHPSMask(unsigned NElts,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodePSHUFMask(unsigned NElts, unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodePSHUFHWMask(unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodePSHUFLWMask(unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodeSHUFPMask(EVT VT, unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
/// DecodeUNPCKHMask - This decodes the shuffle masks for unpckhps/unpckhpd
|
|
/// etc. VT indicates the type of the vector allowing it to handle different
|
|
/// datatypes and vector widths.
|
|
void DecodeUNPCKHMask(EVT VT, SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
/// DecodeUNPCKLMask - This decodes the shuffle masks for unpcklps/unpcklpd
|
|
/// etc. VT indicates the type of the vector allowing it to handle different
|
|
/// datatypes and vector widths.
|
|
void DecodeUNPCKLMask(EVT VT, SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
|
|
// DecodeVPERMILPMask - Decodes VPERMILPS/ VPERMILPD permutes for any 128-bit
|
|
// 32-bit or 64-bit elements. For 256-bit vectors, it's considered as two 128
|
|
// lanes. For VPERMILPS, referenced elements can't cross lanes and the mask of
|
|
// the first lane must be the same of the second.
|
|
void DecodeVPERMILPMask(EVT VT, unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodeVPERM2F128Mask(unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
void DecodeVPERM2F128Mask(EVT VT, unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
} // llvm namespace
|
|
|
|
#endif
|