mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 11:42:57 +01:00
2d100ca13c
vectors. It operates on 128-bit elements instead of regular scalar types. Recognize shuffles that are suitable for VPERM2F128 and teach the x86 legalizer how to handle them. llvm-svn: 137519
108 lines
3.8 KiB
C++
108 lines
3.8 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 DecodePUNPCKLBWMask(unsigned NElts,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodePUNPCKLWDMask(unsigned NElts,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodePUNPCKLDQMask(unsigned NElts,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodePUNPCKLQDQMask(unsigned NElts,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodePUNPCKLMask(EVT VT,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodePUNPCKHMask(unsigned NElts,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodeSHUFPSMask(unsigned NElts, unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodeUNPCKHPMask(unsigned NElts,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodeUNPCKLPSMask(unsigned NElts,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodeUNPCKLPDMask(unsigned NElts,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
/// DecodeUNPCKLPMask - 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 DecodeUNPCKLPMask(EVT VT,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
|
|
// DecodeVPERMILPSMask - Decodes VPERMILPS permutes for any 128-bit 32-bit
|
|
// elements. For 256-bit vectors, it's considered as two 128 lanes, the
|
|
// referenced elements can't cross lanes and the mask of the first lane must
|
|
// be the same of the second.
|
|
void DecodeVPERMILPSMask(unsigned NElts, unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
// DecodeVPERMILPDMask - Decodes VPERMILPD permutes for any 128-bit 64-bit
|
|
// elements. For 256-bit vectors, it's considered as two 128 lanes, the
|
|
// referenced elements can't cross lanes but the mask of the first lane can
|
|
// be the different of the second (not like VPERMILPS).
|
|
void DecodeVPERMILPDMask(unsigned NElts, unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
void DecodeVPERM2F128Mask(unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
void DecodeVPERM2F128Mask(EVT VT, unsigned Imm,
|
|
SmallVectorImpl<unsigned> &ShuffleMask);
|
|
|
|
} // llvm namespace
|
|
|
|
#endif
|