Line data    Source code

       1             : /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
       2             : Copyright (c) 2008-2017, Petr Kobalicek
       3             : 
       4             : This software is provided 'as-is', without any express or implied
       5             : warranty. In no event will the authors be held liable for any damages
       6             : arising from the use of this software.
       7             : 
       8             : Permission is granted to anyone to use this software for any purpose,
       9             : including commercial applications, and to alter it and redistribute it
      10             : freely, subject to the following restrictions:
      11             : 
      12             : 1. The origin of this software must not be misrepresented; you must not
      13             :    claim that you wrote the original software. If you use this software
      14             :    in a product, an acknowledgment in the product documentation would be
      15             :    appreciated but is not required.
      16             : 2. Altered source versions must be plainly marked as such, and must not be
      17             :    misrepresented as being the original software.
      18             : 3. This notice may not be removed or altered from any source distribution.
      19             : +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
      20             : #ifdef __PLUMED_HAS_ASMJIT
      21             : #pragma GCC diagnostic push
      22             : #pragma GCC diagnostic ignored "-Wpedantic"
      23             : // [AsmJit]
      24             : // Complete x86/x64 JIT and Remote Assembler for C++.
      25             : //
      26             : // [License]
      27             : // Zlib - See LICENSE.md file in the package.
      28             : 
      29             : // [Export]
      30             : #define ASMJIT_EXPORTS
      31             : 
      32             : // [Dependencies]
      33             : #include "./arch.h"
      34             : 
      35             : #if defined(ASMJIT_BUILD_X86)
      36             : #include "./x86operand.h"
      37             : #endif // ASMJIT_BUILD_X86
      38             : 
      39             : // [Api-Begin]
      40             : #include "./asmjit_apibegin.h"
      41             : 
      42             : namespace PLMD {
      43             : namespace asmjit {
      44             : 
      45             : // ============================================================================
      46             : // [asmjit::ArchInfo]
      47             : // ============================================================================
      48             : 
      49             : static const uint32_t archInfoTable[] = {
      50             :   // <-------------+---------------------+-----------------------+-------+
      51             :   //               | Type                | SubType               | GPInfo|
      52             :   // <-------------+---------------------+-----------------------+-------+
      53             :   ASMJIT_PACK32_4x8(ArchInfo::kTypeNone  , ArchInfo::kSubTypeNone, 0,  0),
      54             :   ASMJIT_PACK32_4x8(ArchInfo::kTypeX86   , ArchInfo::kSubTypeNone, 4,  8),
      55             :   ASMJIT_PACK32_4x8(ArchInfo::kTypeX64   , ArchInfo::kSubTypeNone, 8, 16),
      56             :   ASMJIT_PACK32_4x8(ArchInfo::kTypeX32   , ArchInfo::kSubTypeNone, 8, 16),
      57             :   ASMJIT_PACK32_4x8(ArchInfo::kTypeA32   , ArchInfo::kSubTypeNone, 4, 16),
      58             :   ASMJIT_PACK32_4x8(ArchInfo::kTypeA64   , ArchInfo::kSubTypeNone, 8, 32)
      59             : };
      60             : 
      61          69 : ASMJIT_FAVOR_SIZE void ArchInfo::init(uint32_t type, uint32_t subType) noexcept {
      62          69 :   uint32_t index = type < ASMJIT_ARRAY_SIZE(archInfoTable) ? type : uint32_t(0);
      63             : 
      64             :   // Make sure the `archInfoTable` array is correctly indexed.
      65          69 :   _signature = archInfoTable[index];
      66             :   ASMJIT_ASSERT(_type == index);
      67             : 
      68             :   // Even if the architecture is not known we setup its type and sub-type,
      69             :   // however, such architecture is not really useful.
      70          69 :   _type = type;
      71          69 :   _subType = subType;
      72          69 : }
      73             : 
      74             : // ============================================================================
      75             : // [asmjit::ArchUtils]
      76             : // ============================================================================
      77             : 
      78       23740 : ASMJIT_FAVOR_SIZE Error ArchUtils::typeIdToRegInfo(uint32_t archType, uint32_t& typeIdInOut, RegInfo& regInfo) noexcept {
      79       23740 :   uint32_t typeId = typeIdInOut;
      80             : 
      81             :   // Zero the signature so it's clear in case that typeId is not invalid.
      82       23740 :   regInfo._signature = 0;
      83             : 
      84             : #if defined(ASMJIT_BUILD_X86)
      85       23740 :   if (ArchInfo::isX86Family(archType)) {
      86             :     // Passed RegType instead of TypeId?
      87       23740 :     if (typeId <= Reg::kRegMax)
      88           0 :       typeId = x86OpData.archRegs.regTypeToTypeId[typeId];
      89             : 
      90       23740 :     if (ASMJIT_UNLIKELY(!TypeId::isValid(typeId)))
      91             :       return DebugUtils::errored(kErrorInvalidTypeId);
      92             : 
      93             :     // First normalize architecture dependent types.
      94       23740 :     if (TypeId::isAbstract(typeId)) {
      95        7248 :       if (typeId == TypeId::kIntPtr)
      96        7248 :         typeId = (archType == ArchInfo::kTypeX86) ? TypeId::kI32 : TypeId::kI64;
      97             :       else
      98           0 :         typeId = (archType == ArchInfo::kTypeX86) ? TypeId::kU32 : TypeId::kU64;
      99             :     }
     100             : 
     101             :     // Type size helps to construct all kinds of registers. If the size is zero
     102             :     // then the TypeId is invalid.
     103             :     uint32_t size = TypeId::sizeOf(typeId);
     104       23740 :     if (ASMJIT_UNLIKELY(!size))
     105             :       return DebugUtils::errored(kErrorInvalidTypeId);
     106             : 
     107       23740 :     if (ASMJIT_UNLIKELY(typeId == TypeId::kF80))
     108             :       return DebugUtils::errored(kErrorInvalidUseOfF80);
     109             : 
     110             :     uint32_t regType = 0;
     111             : 
     112       23740 :     switch (typeId) {
     113             :       case TypeId::kI8:
     114             :       case TypeId::kU8:
     115             :         regType = X86Reg::kRegGpbLo;
     116             :         break;
     117             : 
     118           0 :       case TypeId::kI16:
     119             :       case TypeId::kU16:
     120             :         regType = X86Reg::kRegGpw;
     121           0 :         break;
     122             : 
     123           0 :       case TypeId::kI32:
     124             :       case TypeId::kU32:
     125             :         regType = X86Reg::kRegGpd;
     126           0 :         break;
     127             : 
     128        7248 :       case TypeId::kI64:
     129             :       case TypeId::kU64:
     130        7248 :         if (archType == ArchInfo::kTypeX86)
     131             :           return DebugUtils::errored(kErrorInvalidUseOfGpq);
     132             : 
     133             :         regType = X86Reg::kRegGpq;
     134             :         break;
     135             : 
     136             :       // F32 and F64 are always promoted to use vector registers.
     137           0 :       case TypeId::kF32:
     138             :         typeId = TypeId::kF32x1;
     139             :         regType = X86Reg::kRegXmm;
     140           0 :         break;
     141             : 
     142           0 :       case TypeId::kF64:
     143             :         typeId = TypeId::kF64x1;
     144             :         regType = X86Reg::kRegXmm;
     145           0 :         break;
     146             : 
     147             :       // Mask registers {k}.
     148           0 :       case TypeId::kMask8:
     149             :       case TypeId::kMask16:
     150             :       case TypeId::kMask32:
     151             :       case TypeId::kMask64:
     152             :         regType = X86Reg::kRegK;
     153           0 :         break;
     154             : 
     155             :       // MMX registers.
     156           0 :       case TypeId::kMmx32:
     157             :       case TypeId::kMmx64:
     158             :         regType = X86Reg::kRegMm;
     159           0 :         break;
     160             : 
     161             :       // XMM|YMM|ZMM registers.
     162       16492 :       default:
     163       16492 :         if (size <= 16)
     164             :           regType = X86Reg::kRegXmm;
     165           0 :         else if (size == 32)
     166             :           regType = X86Reg::kRegYmm;
     167             :         else
     168             :           regType = X86Reg::kRegZmm;
     169             :         break;
     170             :     }
     171             : 
     172       23740 :     typeIdInOut = typeId;
     173       23740 :     regInfo._signature = x86OpData.archRegs.regInfo[regType].getSignature();
     174       23740 :     return kErrorOk;
     175             :   }
     176             : #endif // ASMJIT_BUILD_X86
     177             : 
     178             :   return DebugUtils::errored(kErrorInvalidArch);
     179             : }
     180             : 
     181             : } // asmjit namespace
     182             : } // namespace PLMD
     183             : 
     184             : // [Api-End]
     185             : #include "./asmjit_apiend.h"
     186             : #pragma GCC diagnostic pop
     187             : #endif // __PLUMED_HAS_ASMJIT