| 1 | #!/usr/bin/env python
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| 2 | # -*- coding: utf-8 -*-
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| 3 | # $Id: IEMAllN8vePython.py 106123 2024-09-23 22:04:30Z vboxsync $
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| 4 | # pylint: disable=invalid-name
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| 5 |
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| 6 | """
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| 7 | Native recompiler side-kick for IEMAllThrdPython.py.
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| 8 |
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| 9 | Analyzes the each threaded function variant to see if we can we're able to
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| 10 | recompile it, then provides modifies MC block code for doing so.
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| 11 | """
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| 12 |
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| 13 | from __future__ import print_function;
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| 14 |
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| 15 | __copyright__ = \
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| 16 | """
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| 17 | Copyright (C) 2023-2024 Oracle and/or its affiliates.
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| 18 |
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| 19 | This file is part of VirtualBox base platform packages, as
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| 20 | available from https://www.virtualbox.org.
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| 21 |
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| 22 | This program is free software; you can redistribute it and/or
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| 23 | modify it under the terms of the GNU General Public License
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| 24 | as published by the Free Software Foundation, in version 3 of the
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| 25 | License.
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| 26 |
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| 27 | This program is distributed in the hope that it will be useful, but
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| 28 | WITHOUT ANY WARRANTY; without even the implied warranty of
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| 29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 30 | General Public License for more details.
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| 31 |
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| 32 | You should have received a copy of the GNU General Public License
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| 33 | along with this program; if not, see <https://www.gnu.org/licenses>.
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| 34 |
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| 35 | SPDX-License-Identifier: GPL-3.0-only
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| 36 | """
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| 37 | __version__ = "$Revision: 106123 $"
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| 38 |
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| 39 | # Standard python imports:
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| 40 | import copy;
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| 41 | import sys;
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| 42 |
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| 43 | # Out python imports:
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| 44 | import IEMAllInstPython as iai;
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| 45 |
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| 46 | ## Temporary flag for enabling / disabling experimental MCs depending on the
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| 47 | ## SIMD register allocator.
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| 48 | g_fNativeSimd = True;
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| 49 |
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| 50 | ## Supplememnts g_dMcStmtParsers.
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| 51 | g_dMcStmtThreaded = {
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| 52 | 'IEM_MC_DEFER_TO_CIMPL_0_RET_THREADED': (None, True, True, True, ),
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| 53 | 'IEM_MC_DEFER_TO_CIMPL_1_RET_THREADED': (None, True, True, True, ),
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| 54 | 'IEM_MC_DEFER_TO_CIMPL_2_RET_THREADED': (None, True, True, True, ),
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| 55 | 'IEM_MC_DEFER_TO_CIMPL_3_RET_THREADED': (None, True, True, True, ),
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| 56 |
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| 57 | 'IEM_MC_ADVANCE_RIP_AND_FINISH_THREADED_PC16': (None, True, True, True, ),
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| 58 | 'IEM_MC_ADVANCE_RIP_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 59 | 'IEM_MC_ADVANCE_RIP_AND_FINISH_THREADED_PC64': (None, True, True, True, ),
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| 60 |
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| 61 | 'IEM_MC_ADVANCE_RIP_AND_FINISH_THREADED_PC16_WITH_FLAGS': (None, True, True, True, ),
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| 62 | 'IEM_MC_ADVANCE_RIP_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 63 | 'IEM_MC_ADVANCE_RIP_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, True, ),
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| 64 |
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| 65 | 'IEM_MC_REL_JMP_S8_AND_FINISH_THREADED_PC16': (None, True, True, True, ),
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| 66 | 'IEM_MC_REL_JMP_S8_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 67 | 'IEM_MC_REL_JMP_S8_AND_FINISH_THREADED_PC32_FLAT': (None, True, True, True, ),
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| 68 | 'IEM_MC_REL_JMP_S8_AND_FINISH_THREADED_PC64': (None, True, True, True, ),
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| 69 | 'IEM_MC_REL_JMP_S8_AND_FINISH_THREADED_PC64_INTRAPG': (None, True, True, True, ),
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| 70 | 'IEM_MC_REL_JMP_S16_AND_FINISH_THREADED_PC16': (None, True, True, True, ),
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| 71 | 'IEM_MC_REL_JMP_S16_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 72 | 'IEM_MC_REL_JMP_S16_AND_FINISH_THREADED_PC32_FLAT': (None, True, True, True, ),
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| 73 | 'IEM_MC_REL_JMP_S16_AND_FINISH_THREADED_PC64': (None, True, True, True, ),
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| 74 | 'IEM_MC_REL_JMP_S16_AND_FINISH_THREADED_PC64_INTRAPG': (None, True, True, True, ),
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| 75 | 'IEM_MC_REL_JMP_S32_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 76 | 'IEM_MC_REL_JMP_S32_AND_FINISH_THREADED_PC32_FLAT': (None, True, True, True, ),
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| 77 | 'IEM_MC_REL_JMP_S32_AND_FINISH_THREADED_PC64': (None, True, True, True, ),
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| 78 | 'IEM_MC_REL_JMP_S32_AND_FINISH_THREADED_PC64_INTRAPG': (None, True, True, True, ),
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| 79 |
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| 80 | 'IEM_MC_REL_JMP_S8_AND_FINISH_THREADED_PC16_WITH_FLAGS': (None, True, True, True, ),
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| 81 | 'IEM_MC_REL_JMP_S8_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 82 | 'IEM_MC_REL_JMP_S8_AND_FINISH_THREADED_PC32_FLAT_WITH_FLAGS': (None, True, True, True, ),
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| 83 | 'IEM_MC_REL_JMP_S8_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, True, ),
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| 84 | 'IEM_MC_REL_JMP_S8_AND_FINISH_THREADED_PC64_INTRAPG_WITH_FLAGS': (None, True, True, True, ),
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| 85 | 'IEM_MC_REL_JMP_S16_AND_FINISH_THREADED_PC16_WITH_FLAGS': (None, True, True, True, ),
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| 86 | 'IEM_MC_REL_JMP_S16_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 87 | 'IEM_MC_REL_JMP_S16_AND_FINISH_THREADED_PC32_FLAT_WITH_FLAGS': (None, True, True, True, ),
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| 88 | 'IEM_MC_REL_JMP_S16_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, True, ),
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| 89 | 'IEM_MC_REL_JMP_S16_AND_FINISH_THREADED_PC64_INTRAPG_WITH_FLAGS': (None, True, True, True, ),
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| 90 | 'IEM_MC_REL_JMP_S32_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 91 | 'IEM_MC_REL_JMP_S32_AND_FINISH_THREADED_PC32_FLAT_WITH_FLAGS': (None, True, True, True, ),
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| 92 | 'IEM_MC_REL_JMP_S32_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, True, ),
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| 93 | 'IEM_MC_REL_JMP_S32_AND_FINISH_THREADED_PC64_INTRAPG_WITH_FLAGS': (None, True, True, True, ),
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| 94 |
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| 95 | 'IEM_MC_REL_CALL_S16_AND_FINISH_THREADED_PC16': (None, True, True, True, ),
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| 96 | 'IEM_MC_REL_CALL_S16_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 97 | 'IEM_MC_REL_CALL_S16_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 98 | 'IEM_MC_REL_CALL_S16_AND_FINISH_THREADED_PC64': (None, True, True, True, ),
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| 99 | 'IEM_MC_REL_CALL_S32_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 100 | 'IEM_MC_REL_CALL_S32_AND_FINISH_THREADED_PC64': (None, True, True, False, ), # @todo These should never be called - can't encode this
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| 101 | 'IEM_MC_REL_CALL_S64_AND_FINISH_THREADED_PC32': (None, True, True, False, ), # @todo These should never be called - can't encode this
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| 102 | 'IEM_MC_REL_CALL_S64_AND_FINISH_THREADED_PC64': (None, True, True, True, ),
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| 103 |
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| 104 | 'IEM_MC_REL_CALL_S16_AND_FINISH_THREADED_PC16_WITH_FLAGS': (None, True, True, True, ),
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| 105 | 'IEM_MC_REL_CALL_S16_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 106 | 'IEM_MC_REL_CALL_S16_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, True, ),
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| 107 | 'IEM_MC_REL_CALL_S32_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 108 | 'IEM_MC_REL_CALL_S32_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, False, ), # @todo These should never be called - can't encode this
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| 109 | 'IEM_MC_REL_CALL_S64_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, False, ), # @todo These should never be called - can't encode this
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| 110 | 'IEM_MC_REL_CALL_S64_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, True, ),
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| 111 |
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| 112 | 'IEM_MC_SET_RIP_U16_AND_FINISH_THREADED_PC16': (None, True, True, True, ),
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| 113 | 'IEM_MC_SET_RIP_U16_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 114 | 'IEM_MC_SET_RIP_U16_AND_FINISH_THREADED_PC64': (None, True, True, True, ),
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| 115 | 'IEM_MC_SET_RIP_U32_AND_FINISH_THREADED_PC16': (None, True, True, True, ),
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| 116 | 'IEM_MC_SET_RIP_U32_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 117 | 'IEM_MC_SET_RIP_U32_AND_FINISH_THREADED_PC64': (None, True, True, True, ),
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| 118 | 'IEM_MC_SET_RIP_U64_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 119 | 'IEM_MC_SET_RIP_U64_AND_FINISH_THREADED_PC64': (None, True, True, True, ),
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| 120 |
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| 121 | 'IEM_MC_SET_RIP_U16_AND_FINISH_THREADED_PC16_WITH_FLAGS': (None, True, True, True, ),
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| 122 | 'IEM_MC_SET_RIP_U16_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 123 | 'IEM_MC_SET_RIP_U16_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, True, ),
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| 124 | 'IEM_MC_SET_RIP_U32_AND_FINISH_THREADED_PC16_WITH_FLAGS': (None, True, True, True, ),
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| 125 | 'IEM_MC_SET_RIP_U32_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 126 | 'IEM_MC_SET_RIP_U32_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, True, ),
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| 127 | 'IEM_MC_SET_RIP_U64_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 128 | 'IEM_MC_SET_RIP_U64_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, True, ),
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| 129 |
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| 130 | 'IEM_MC_IND_CALL_U16_AND_FINISH_THREADED_PC16': (None, True, True, True, ),
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| 131 | 'IEM_MC_IND_CALL_U16_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 132 | 'IEM_MC_IND_CALL_U16_AND_FINISH_THREADED_PC64': (None, True, True, False, ), # @todo These should never be called - can be called on AMD but not on Intel, 'call ax' in 64-bit code is valid and should push a 16-bit IP IIRC.
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| 133 | 'IEM_MC_IND_CALL_U32_AND_FINISH_THREADED_PC16': (None, True, True, True, ),
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| 134 | 'IEM_MC_IND_CALL_U32_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 135 | 'IEM_MC_IND_CALL_U32_AND_FINISH_THREADED_PC64': (None, True, True, False, ), # @todo These should never be called - can't encode this.
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| 136 | 'IEM_MC_IND_CALL_U64_AND_FINISH_THREADED_PC64': (None, True, True, True, ),
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| 137 |
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| 138 | 'IEM_MC_IND_CALL_U16_AND_FINISH_THREADED_PC16_WITH_FLAGS': (None, True, True, True, ),
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| 139 | 'IEM_MC_IND_CALL_U16_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 140 | 'IEM_MC_IND_CALL_U16_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, False, ), # @todo These should never be called - this is valid, see above.
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| 141 | 'IEM_MC_IND_CALL_U32_AND_FINISH_THREADED_PC16_WITH_FLAGS': (None, True, True, True, ),
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| 142 | 'IEM_MC_IND_CALL_U32_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 143 | 'IEM_MC_IND_CALL_U32_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, False, ), # @todo These should never be called - can't encode this.
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| 144 | 'IEM_MC_IND_CALL_U64_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, True, ),
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| 145 |
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| 146 | 'IEM_MC_RETN_AND_FINISH_THREADED_PC16': (None, True, True, True, ),
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| 147 | 'IEM_MC_RETN_AND_FINISH_THREADED_PC32': (None, True, True, True, ),
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| 148 | 'IEM_MC_RETN_AND_FINISH_THREADED_PC64': (None, True, True, True, ),
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| 149 |
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| 150 | 'IEM_MC_RETN_AND_FINISH_THREADED_PC16_WITH_FLAGS': (None, True, True, True, ),
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| 151 | 'IEM_MC_RETN_AND_FINISH_THREADED_PC32_WITH_FLAGS': (None, True, True, True, ),
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| 152 | 'IEM_MC_RETN_AND_FINISH_THREADED_PC64_WITH_FLAGS': (None, True, True, True, ),
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| 153 |
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| 154 | 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_16': (None, False, False, True, ),
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| 155 | 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_32': (None, False, False, True, ),
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| 156 | 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_64_ADDR32': (None, False, False, True, ),
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| 157 | 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_64_FSGS': (None, False, False, True, ),
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| 158 | 'IEM_MC_CALC_RM_EFF_ADDR_THREADED_64': (None, False, False, True, ),
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| 159 |
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| 160 | 'IEM_MC_CALL_CIMPL_1_THREADED': (None, True, True, True, ),
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| 161 | 'IEM_MC_CALL_CIMPL_2_THREADED': (None, True, True, True, ),
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| 162 | 'IEM_MC_CALL_CIMPL_3_THREADED': (None, True, True, True, ),
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| 163 | 'IEM_MC_CALL_CIMPL_4_THREADED': (None, True, True, True, ),
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| 164 | 'IEM_MC_CALL_CIMPL_5_THREADED': (None, True, True, True, ),
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| 165 |
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| 166 | 'IEM_MC_STORE_GREG_U8_THREADED': (None, True, True, True, ),
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| 167 | 'IEM_MC_STORE_GREG_U8_CONST_THREADED': (None, True, True, True, ),
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| 168 | 'IEM_MC_FETCH_GREG_U8_THREADED': (None, False, False, True, ),
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| 169 | 'IEM_MC_FETCH_GREG_U8_SX_U16_THREADED': (None, False, False, True, ),
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| 170 | 'IEM_MC_FETCH_GREG_U8_SX_U32_THREADED': (None, False, False, True, ),
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| 171 | 'IEM_MC_FETCH_GREG_U8_SX_U64_THREADED': (None, False, False, True, ),
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| 172 | 'IEM_MC_FETCH_GREG_U8_ZX_U16_THREADED': (None, False, False, True, ),
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| 173 | 'IEM_MC_FETCH_GREG_U8_ZX_U32_THREADED': (None, False, False, True, ),
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| 174 | 'IEM_MC_FETCH_GREG_U8_ZX_U64_THREADED': (None, False, False, True, ),
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| 175 | 'IEM_MC_REF_GREG_U8_THREADED': (None, True, True, True, ),
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| 176 | 'IEM_MC_REF_GREG_U8_CONST_THREADED': (None, True, True, True, ),
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| 177 |
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| 178 | 'IEM_MC_REF_EFLAGS_EX': (None, False, False, True, ),
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| 179 | 'IEM_MC_COMMIT_EFLAGS_EX': (None, True, True, True, ),
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| 180 | 'IEM_MC_COMMIT_EFLAGS_OPT_EX': (None, True, True, True, ),
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| 181 | 'IEM_MC_FETCH_EFLAGS_EX': (None, False, False, True, ),
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| 182 | 'IEM_MC_ASSERT_EFLAGS': (None, True, True, True, ),
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| 183 |
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| 184 | # Flat Mem:
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| 185 | 'IEM_MC_FETCH_MEM16_FLAT_U8': (None, True, True, False, ),
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| 186 | 'IEM_MC_FETCH_MEM32_FLAT_U8': (None, True, True, False, ),
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| 187 | 'IEM_MC_FETCH_MEM_FLAT_D80': (None, True, True, False, ),
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| 188 | 'IEM_MC_FETCH_MEM_FLAT_I16': (None, True, True, g_fNativeSimd),
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| 189 | 'IEM_MC_FETCH_MEM_FLAT_I16_DISP': (None, True, True, True, ),
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| 190 | 'IEM_MC_FETCH_MEM_FLAT_I32': (None, True, True, g_fNativeSimd),
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| 191 | 'IEM_MC_FETCH_MEM_FLAT_I32_DISP': (None, True, True, True, ),
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| 192 | 'IEM_MC_FETCH_MEM_FLAT_I64': (None, True, True, g_fNativeSimd),
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| 193 | 'IEM_MC_FETCH_MEM_FLAT_R32': (None, True, True, g_fNativeSimd),
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| 194 | 'IEM_MC_FETCH_MEM_FLAT_R64': (None, True, True, g_fNativeSimd),
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| 195 | 'IEM_MC_FETCH_MEM_FLAT_R80': (None, True, True, False, ),
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| 196 | 'IEM_MC_FETCH_MEM_FLAT_U128_ALIGN_SSE': (None, True, True, g_fNativeSimd),
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| 197 | 'IEM_MC_FETCH_MEM_FLAT_U128_NO_AC': (None, True, True, g_fNativeSimd),
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| 198 | 'IEM_MC_FETCH_MEM_FLAT_U128': (None, True, True, g_fNativeSimd),
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| 199 | 'IEM_MC_FETCH_MEM_FLAT_U16_DISP': (None, True, True, True, ),
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| 200 | 'IEM_MC_FETCH_MEM_FLAT_U16_SX_U32': (None, True, True, True, ),
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| 201 | 'IEM_MC_FETCH_MEM_FLAT_U16_SX_U64': (None, True, True, True, ),
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| 202 | 'IEM_MC_FETCH_MEM_FLAT_U16': (None, True, True, True, ),
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| 203 | 'IEM_MC_FETCH_MEM_FLAT_U16_ZX_U32': (None, True, True, True, ),
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| 204 | 'IEM_MC_FETCH_MEM_FLAT_U16_ZX_U64': (None, True, True, True, ),
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| 205 | 'IEM_MC_FETCH_MEM_FLAT_U256_ALIGN_AVX': (None, True, True, g_fNativeSimd),
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| 206 | 'IEM_MC_FETCH_MEM_FLAT_U256_NO_AC': (None, True, True, g_fNativeSimd),
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| 207 | 'IEM_MC_FETCH_MEM_FLAT_U256': (None, True, True, g_fNativeSimd),
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| 208 | 'IEM_MC_FETCH_MEM_FLAT_U32': (None, True, True, True, ),
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| 209 | 'IEM_MC_FETCH_MEM_FLAT_U32_DISP': (None, True, True, True, ),
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| 210 | 'IEM_MC_FETCH_MEM_FLAT_U32_SX_U64': (None, True, True, True, ),
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| 211 | 'IEM_MC_FETCH_MEM_FLAT_U32_ZX_U64': (None, True, True, True, ),
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| 212 | 'IEM_MC_FETCH_MEM_FLAT_U64': (None, True, True, True, ),
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| 213 | 'IEM_MC_FETCH_MEM_FLAT_U8_SX_U16': (None, True, True, True, ),
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| 214 | 'IEM_MC_FETCH_MEM_FLAT_U8_SX_U32': (None, True, True, True, ),
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| 215 | 'IEM_MC_FETCH_MEM_FLAT_U8_SX_U64': (None, True, True, True, ),
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| 216 | 'IEM_MC_FETCH_MEM_FLAT_U8': (None, True, True, True, ),
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| 217 | 'IEM_MC_FETCH_MEM_FLAT_U8_ZX_U16': (None, True, True, True, ),
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| 218 | 'IEM_MC_FETCH_MEM_FLAT_U8_ZX_U32': (None, True, True, True, ),
|
|---|
| 219 | 'IEM_MC_FETCH_MEM_FLAT_U8_ZX_U64': (None, True, True, True, ),
|
|---|
| 220 | 'IEM_MC_FETCH_MEM_FLAT_XMM_ALIGN_SSE': (None, True, True, g_fNativeSimd),
|
|---|
| 221 | 'IEM_MC_FETCH_MEM_FLAT_XMM_NO_AC': (None, True, True, g_fNativeSimd),
|
|---|
| 222 | 'IEM_MC_FETCH_MEM_FLAT_U128_AND_XREG_U128': (None, True, True, False, ),
|
|---|
| 223 | 'IEM_MC_FETCH_MEM_FLAT_XMM_ALIGN_SSE_AND_XREG_XMM': (None, True, True, False, ),
|
|---|
| 224 | 'IEM_MC_FETCH_MEM_FLAT_XMM_U32_AND_XREG_XMM': (None, True, True, False, ),
|
|---|
| 225 | 'IEM_MC_FETCH_MEM_FLAT_XMM_U64_AND_XREG_XMM': (None, True, True, False, ),
|
|---|
| 226 | 'IEM_MC_FETCH_MEM_FLAT_U128_AND_XREG_U128_AND_RAX_RDX_U64': (None, True, True, False, ),
|
|---|
| 227 | 'IEM_MC_FETCH_MEM_FLAT_U128_AND_XREG_U128_AND_EAX_EDX_U32_SX_U64': (None, True, True, False, ),
|
|---|
| 228 | 'IEM_MC_FETCH_MEM_FLAT_YMM_NO_AC': (None, True, True, g_fNativeSimd),
|
|---|
| 229 | 'IEM_MC_FETCH_MEM_FLAT_YMM_ALIGN_AVX_AND_YREG_YMM': (None, True, True, False, ),
|
|---|
| 230 | 'IEM_MC_MEM_FLAT_MAP_D80_WO': (None, True, True, True, ),
|
|---|
| 231 | 'IEM_MC_MEM_FLAT_MAP_I16_WO': (None, True, True, True, ),
|
|---|
| 232 | 'IEM_MC_MEM_FLAT_MAP_I32_WO': (None, True, True, True, ),
|
|---|
| 233 | 'IEM_MC_MEM_FLAT_MAP_I64_WO': (None, True, True, True, ),
|
|---|
| 234 | 'IEM_MC_MEM_FLAT_MAP_R32_WO': (None, True, True, True, ),
|
|---|
| 235 | 'IEM_MC_MEM_FLAT_MAP_R64_WO': (None, True, True, True, ),
|
|---|
| 236 | 'IEM_MC_MEM_FLAT_MAP_R80_WO': (None, True, True, True, ),
|
|---|
| 237 | 'IEM_MC_MEM_FLAT_MAP_U8_ATOMIC': (None, True, True, True, ),
|
|---|
| 238 | 'IEM_MC_MEM_FLAT_MAP_U8_RO': (None, True, True, True, ),
|
|---|
| 239 | 'IEM_MC_MEM_FLAT_MAP_U8_RW': (None, True, True, True, ),
|
|---|
| 240 | 'IEM_MC_MEM_FLAT_MAP_U16_ATOMIC': (None, True, True, True, ),
|
|---|
| 241 | 'IEM_MC_MEM_FLAT_MAP_U16_RO': (None, True, True, True, ),
|
|---|
| 242 | 'IEM_MC_MEM_FLAT_MAP_U16_RW': (None, True, True, True, ),
|
|---|
| 243 | 'IEM_MC_MEM_FLAT_MAP_U32_ATOMIC': (None, True, True, True, ),
|
|---|
| 244 | 'IEM_MC_MEM_FLAT_MAP_U32_RO': (None, True, True, True, ),
|
|---|
| 245 | 'IEM_MC_MEM_FLAT_MAP_U32_RW': (None, True, True, True, ),
|
|---|
| 246 | 'IEM_MC_MEM_FLAT_MAP_U64_ATOMIC': (None, True, True, True, ),
|
|---|
| 247 | 'IEM_MC_MEM_FLAT_MAP_U64_RO': (None, True, True, True, ),
|
|---|
| 248 | 'IEM_MC_MEM_FLAT_MAP_U64_RW': (None, True, True, True, ),
|
|---|
| 249 | 'IEM_MC_MEM_FLAT_MAP_U128_ATOMIC': (None, True, True, True, ),
|
|---|
| 250 | 'IEM_MC_MEM_FLAT_MAP_U128_RW': (None, True, True, True, ),
|
|---|
| 251 | 'IEM_MC_STORE_MEM_FLAT_U128': (None, True, True, False, ),
|
|---|
| 252 | 'IEM_MC_STORE_MEM_FLAT_U128_NO_AC': (None, True, True, g_fNativeSimd),
|
|---|
| 253 | 'IEM_MC_STORE_MEM_FLAT_U128_ALIGN_SSE': (None, True, True, g_fNativeSimd),
|
|---|
| 254 | 'IEM_MC_STORE_MEM_FLAT_U16': (None, True, True, True, ),
|
|---|
| 255 | 'IEM_MC_STORE_MEM_FLAT_U16_CONST': (None, True, True, True, ),
|
|---|
| 256 | 'IEM_MC_STORE_MEM_FLAT_U256': (None, True, True, False, ),
|
|---|
| 257 | 'IEM_MC_STORE_MEM_FLAT_U256_NO_AC': (None, True, True, g_fNativeSimd),
|
|---|
| 258 | 'IEM_MC_STORE_MEM_FLAT_U256_ALIGN_AVX': (None, True, True, g_fNativeSimd),
|
|---|
| 259 | 'IEM_MC_STORE_MEM_FLAT_U32': (None, True, True, True, ),
|
|---|
| 260 | 'IEM_MC_STORE_MEM_FLAT_U32_CONST': (None, True, True, True, ),
|
|---|
| 261 | 'IEM_MC_STORE_MEM_FLAT_U64': (None, True, True, True, ),
|
|---|
| 262 | 'IEM_MC_STORE_MEM_FLAT_U64_CONST': (None, True, True, True, ),
|
|---|
| 263 | 'IEM_MC_STORE_MEM_FLAT_U8': (None, True, True, True, ),
|
|---|
| 264 | 'IEM_MC_STORE_MEM_FLAT_U8_CONST': (None, True, True, True, ),
|
|---|
| 265 |
|
|---|
| 266 | # Flat Stack:
|
|---|
| 267 | 'IEM_MC_FLAT64_PUSH_U16': (None, True, True, True, ),
|
|---|
| 268 | 'IEM_MC_FLAT64_PUSH_U64': (None, True, True, True, ),
|
|---|
| 269 | 'IEM_MC_FLAT64_POP_GREG_U16': (None, True, True, True, ),
|
|---|
| 270 | 'IEM_MC_FLAT64_POP_GREG_U64': (None, True, True, True, ),
|
|---|
| 271 | 'IEM_MC_FLAT32_PUSH_U16': (None, True, True, True, ),
|
|---|
| 272 | 'IEM_MC_FLAT32_PUSH_U32': (None, True, True, True, ),
|
|---|
| 273 | 'IEM_MC_FLAT32_POP_GREG_U16': (None, True, True, True, ),
|
|---|
| 274 | 'IEM_MC_FLAT32_POP_GREG_U32': (None, True, True, True, ),
|
|---|
| 275 | };
|
|---|
| 276 |
|
|---|
| 277 | class NativeRecompFunctionVariation(object):
|
|---|
| 278 | """
|
|---|
| 279 | Class that deals with transforming a threaded function variation into a
|
|---|
| 280 | native recompiler function.
|
|---|
| 281 |
|
|---|
| 282 | This base class doesn't do any transforming and just renders the same
|
|---|
| 283 | code as for the threaded function.
|
|---|
| 284 | """
|
|---|
| 285 |
|
|---|
| 286 | def __init__(self, oVariation, sHostArch):
|
|---|
| 287 | self.oVariation = oVariation # type: ThreadedFunctionVariation
|
|---|
| 288 | self.sHostArch = sHostArch;
|
|---|
| 289 |
|
|---|
| 290 | def isRecompilable(self):
|
|---|
| 291 | """
|
|---|
| 292 | Predicate that returns whether the variant can be recompiled natively
|
|---|
| 293 | (for the selected host architecture).
|
|---|
| 294 | """
|
|---|
| 295 | return True;
|
|---|
| 296 |
|
|---|
| 297 | def raiseProblem(self, sMessage):
|
|---|
| 298 | """ Raises a problem. """
|
|---|
| 299 | raise Exception('%s:%s: error: %s'
|
|---|
| 300 | % (self.oVariation.oParent.oMcBlock.sSrcFile, self.oVariation.oParent.oMcBlock.iBeginLine, sMessage,));
|
|---|
| 301 |
|
|---|
| 302 | def __analyzeVariableLiveness(self, aoStmts, dVars, iDepth = 0):
|
|---|
| 303 | """
|
|---|
| 304 | Performs liveness analysis of the given statement list, inserting new
|
|---|
| 305 | statements to signal to the native recompiler that a variable is no
|
|---|
| 306 | longer used and can be freed.
|
|---|
| 307 |
|
|---|
| 308 | Returns list of freed variables.
|
|---|
| 309 | """
|
|---|
| 310 |
|
|---|
| 311 | class VarInfo(object):
|
|---|
| 312 | """ Variable info """
|
|---|
| 313 | def __init__(self, oStmt):
|
|---|
| 314 | self.oStmt = oStmt;
|
|---|
| 315 | self.fIsArg = isinstance(oStmt, iai.McStmtArg);
|
|---|
| 316 | self.oReferences = None # type: VarInfo
|
|---|
| 317 | self.oReferencedBy = None # type: VarInfo
|
|---|
| 318 |
|
|---|
| 319 | def isArg(self):
|
|---|
| 320 | return self.fIsArg;
|
|---|
| 321 |
|
|---|
| 322 | def makeReference(self, oLocal, oParent):
|
|---|
| 323 | if not self.isArg():
|
|---|
| 324 | oParent.raiseProblem('Attempt to make a reference out of an local variable: %s = &%s'
|
|---|
| 325 | % (self.oStmt.sVarName, oLocal.oStmt.sVarName,));
|
|---|
| 326 | if self.oReferences:
|
|---|
| 327 | oParent.raiseProblem('Can only make a variable a reference once: %s = &%s; now = &%s'
|
|---|
| 328 | % (self.oStmt.sVarName, self.oReferences.oStmt.sVarName, oLocal.oStmt.sVarName,));
|
|---|
| 329 | if oLocal.isArg():
|
|---|
| 330 | oParent.raiseProblem('Attempt to make a reference to an argument: %s = &%s'
|
|---|
| 331 | % (self.oStmt.sVarName, oLocal.oStmt.sVarName,));
|
|---|
| 332 | if oLocal.oReferencedBy:
|
|---|
| 333 | oParent.raiseProblem('%s is already referenced by %s, so cannot make %s reference it as well'
|
|---|
| 334 | % (oLocal.oStmt.sVarName, oLocal.oReferencedBy.oStmt.sVarName, self.oStmt.sVarName,));
|
|---|
| 335 | self.oReferences = oLocal;
|
|---|
| 336 | self.oReferences.oReferencedBy = self;
|
|---|
| 337 | return True;
|
|---|
| 338 |
|
|---|
| 339 | #
|
|---|
| 340 | # Gather variable declarations and add them to dVars.
|
|---|
| 341 | # Also keep a local list of them for scoping when iDepth > 0.
|
|---|
| 342 | #
|
|---|
| 343 | asVarsInScope = [];
|
|---|
| 344 | for oStmt in aoStmts:
|
|---|
| 345 | if isinstance(oStmt, iai.McStmtCall) and oStmt.sName.startswith('IEM_MC_CALL_AIMPL_'):
|
|---|
| 346 | oStmt = iai.McStmtVar(oStmt.sName, oStmt.asParams[0:2], oStmt.asParams[0], oStmt.asParams[1]);
|
|---|
| 347 |
|
|---|
| 348 | if isinstance(oStmt, iai.McStmtVar):
|
|---|
| 349 | if oStmt.sVarName in dVars:
|
|---|
| 350 | raise Exception('Duplicate variable: %s' % (oStmt.sVarName, ));
|
|---|
| 351 |
|
|---|
| 352 | oInfo = VarInfo(oStmt);
|
|---|
| 353 | if oInfo.isArg() and oStmt.sRefType == 'local':
|
|---|
| 354 | oInfo.makeReference(dVars[oStmt.sRef], self);
|
|---|
| 355 |
|
|---|
| 356 | dVars[oStmt.sVarName] = oInfo;
|
|---|
| 357 | asVarsInScope.append(oStmt.sVarName);
|
|---|
| 358 |
|
|---|
| 359 | #
|
|---|
| 360 | # Now work the statements backwards and look for the last reference to
|
|---|
| 361 | # each of the variables in dVars. We remove the variables from the
|
|---|
| 362 | # collections as we go along.
|
|---|
| 363 | #
|
|---|
| 364 |
|
|---|
| 365 | def freeVariable(aoStmts, iStmt, oVarInfo, dFreedVars, dVars, fIncludeReferences = True):
|
|---|
| 366 | sVarName = oVarInfo.oStmt.sVarName;
|
|---|
| 367 | if not oVarInfo.isArg():
|
|---|
| 368 | aoStmts.insert(iStmt + 1, iai.McStmt('IEM_MC_FREE_LOCAL', [sVarName,]));
|
|---|
| 369 | assert not oVarInfo.oReferences;
|
|---|
| 370 | else:
|
|---|
| 371 | aoStmts.insert(iStmt + 1, iai.McStmt('IEM_MC_FREE_ARG', [sVarName,]));
|
|---|
| 372 | if fIncludeReferences and oVarInfo.oReferences:
|
|---|
| 373 | sRefVarName = oVarInfo.oReferences.oStmt.sVarName;
|
|---|
| 374 | if sRefVarName in dVars:
|
|---|
| 375 | dFreedVars[sRefVarName] = dVars[sRefVarName];
|
|---|
| 376 | del dVars[sRefVarName];
|
|---|
| 377 | aoStmts.insert(iStmt + 1, iai.McStmt('IEM_MC_FREE_LOCAL', [sRefVarName,]));
|
|---|
| 378 | dFreedVars[sVarName] = oVarInfo;
|
|---|
| 379 | if dVars is not None:
|
|---|
| 380 | del dVars[sVarName];
|
|---|
| 381 |
|
|---|
| 382 | def implicitFree(oStmt, dFreedVars, dVars, sVar):
|
|---|
| 383 | oVarInfo = dVars.get(sVar);
|
|---|
| 384 | if oVarInfo:
|
|---|
| 385 | dFreedVars[sVar] = oVarInfo;
|
|---|
| 386 | del dVars[sVar];
|
|---|
| 387 | else:
|
|---|
| 388 | self.raiseProblem('Variable %s was used after implictly freed by %s!' % (sVar, oStmt.sName,));
|
|---|
| 389 |
|
|---|
| 390 | dFreedVars = {};
|
|---|
| 391 | for iStmt in range(len(aoStmts) - 1, -1, -1):
|
|---|
| 392 | oStmt = aoStmts[iStmt];
|
|---|
| 393 | if isinstance(oStmt, iai.McStmtCond):
|
|---|
| 394 | #
|
|---|
| 395 | # Conditionals requires a bit more work...
|
|---|
| 396 | #
|
|---|
| 397 |
|
|---|
| 398 | # Start by replacing the conditional statement by a shallow copy.
|
|---|
| 399 | oStmt = copy.copy(oStmt);
|
|---|
| 400 | oStmt.aoIfBranch = list(oStmt.aoIfBranch);
|
|---|
| 401 | oStmt.aoElseBranch = list(oStmt.aoElseBranch);
|
|---|
| 402 | aoStmts[iStmt] = oStmt;
|
|---|
| 403 |
|
|---|
| 404 | fHadEmptyElseBranch = len(oStmt.aoElseBranch) == 0;
|
|---|
| 405 |
|
|---|
| 406 | # Check the two branches for final references. Both branches must
|
|---|
| 407 | # start processing with the same dVars set, fortunately as shallow
|
|---|
| 408 | # copy suffices.
|
|---|
| 409 | dFreedInIfBranch = self.__analyzeVariableLiveness(oStmt.aoIfBranch, dict(dVars), iDepth + 1);
|
|---|
| 410 | dFreedInElseBranch = self.__analyzeVariableLiveness(oStmt.aoElseBranch, dVars, iDepth + 1);
|
|---|
| 411 |
|
|---|
| 412 | # Add free statements to the start of the IF-branch for variables use
|
|---|
| 413 | # for the last time in the else branch.
|
|---|
| 414 | for sVarName, oVarInfo in dFreedInElseBranch.items():
|
|---|
| 415 | if sVarName not in dFreedInIfBranch:
|
|---|
| 416 | freeVariable(oStmt.aoIfBranch, -1, oVarInfo, dFreedVars, None, False);
|
|---|
| 417 | else:
|
|---|
| 418 | dFreedVars[sVarName] = oVarInfo;
|
|---|
| 419 |
|
|---|
| 420 | # And vice versa.
|
|---|
| 421 | for sVarName, oVarInfo in dFreedInIfBranch.items():
|
|---|
| 422 | if sVarName not in dFreedInElseBranch:
|
|---|
| 423 | freeVariable(oStmt.aoElseBranch, -1, oVarInfo, dFreedVars, dVars, False);
|
|---|
| 424 |
|
|---|
| 425 | #
|
|---|
| 426 | # Now check if any remaining variables are used for the last time
|
|---|
| 427 | # in the conditional statement ifself, in which case we need to insert
|
|---|
| 428 | # free statements to both branches.
|
|---|
| 429 | #
|
|---|
| 430 | if not oStmt.isCppStmt():
|
|---|
| 431 | aoFreeStmts = [];
|
|---|
| 432 | for sParam in oStmt.asParams:
|
|---|
| 433 | if sParam in dVars:
|
|---|
| 434 | freeVariable(aoFreeStmts, -1, dVars[sParam], dFreedVars, dVars);
|
|---|
| 435 | for oFreeStmt in aoFreeStmts:
|
|---|
| 436 | oStmt.aoIfBranch.insert(0, oFreeStmt);
|
|---|
| 437 | oStmt.aoElseBranch.insert(0, oFreeStmt);
|
|---|
| 438 |
|
|---|
| 439 | #
|
|---|
| 440 | # HACK ALERT!
|
|---|
| 441 | #
|
|---|
| 442 | # This is a bit backwards, but if the else branch was empty, just zap
|
|---|
| 443 | # it so we don't create a bunch of unnecessary jumps as well as a
|
|---|
| 444 | # potential troublesome dirty guest shadowed register flushing for the
|
|---|
| 445 | # if-branch. The IEM_MC_ENDIF code is forgiving here and will
|
|---|
| 446 | # automatically free the lost variables when merging the states.
|
|---|
| 447 | #
|
|---|
| 448 | # (In fact this behaviour caused trouble if we moved the IEM_MC_FREE_LOCAL
|
|---|
| 449 | # statements ouf of the branches and put them after the IF/ELSE blocks
|
|---|
| 450 | # to try avoid the unnecessary jump troubles, as the variable would be
|
|---|
| 451 | # assigned a host register and thus differ in an incompatible, cause the
|
|---|
| 452 | # endif code to just free the register and variable both, with the result
|
|---|
| 453 | # that the IEM_MC_FREE_LOCAL following the IF/ELSE blocks would assert
|
|---|
| 454 | # since the variable was already freed.)
|
|---|
| 455 | #
|
|---|
| 456 | # See iemNativeRecompFunc_cmovne_Gv_Ev__greg64_nn_64 and
|
|---|
| 457 | # the other cmovcc functions for examples.
|
|---|
| 458 | #
|
|---|
| 459 | if fHadEmptyElseBranch:
|
|---|
| 460 | oStmt.aoElseBranch = [];
|
|---|
| 461 | #while ( oStmt.aoIfBranch
|
|---|
| 462 | # and oStmt.aoElseBranch
|
|---|
| 463 | # and oStmt.aoIfBranch[-1] == oStmt.aoElseBranch[-1]):
|
|---|
| 464 | # aoStmts.insert(iStmt + 1, oStmt.aoIfBranch[-1]);
|
|---|
| 465 | # del oStmt.aoIfBranch[-1];
|
|---|
| 466 | # del oStmt.aoElseBranch[-1];
|
|---|
| 467 |
|
|---|
| 468 | elif not oStmt.isCppStmt():
|
|---|
| 469 | if isinstance(oStmt, iai.McStmtCall):
|
|---|
| 470 | #
|
|---|
| 471 | # Call statements will make use of all argument variables and
|
|---|
| 472 | # will implicitly free them. So, iterate the variable and
|
|---|
| 473 | # move them from dVars and onto dFreedVars.
|
|---|
| 474 | #
|
|---|
| 475 | # We explictly free any referenced variable that is still in
|
|---|
| 476 | # dVar at this point (since only arguments can hold variable
|
|---|
| 477 | # references).
|
|---|
| 478 | #
|
|---|
| 479 | asCallParams = oStmt.asParams[oStmt.idxParams:];
|
|---|
| 480 | for sParam in asCallParams:
|
|---|
| 481 | oVarInfo = dVars.get(sParam);
|
|---|
| 482 | if oVarInfo:
|
|---|
| 483 | if not oVarInfo.isArg():
|
|---|
| 484 | self.raiseProblem('Argument %s in %s is not an argument!' % (sParam, oStmt.sName,));
|
|---|
| 485 | if oVarInfo.oReferences:
|
|---|
| 486 | sRefVarName = oVarInfo.oReferences.oStmt.sVarName;
|
|---|
| 487 | if sRefVarName in dVars:
|
|---|
| 488 | dFreedVars[sRefVarName] = dVars[sRefVarName];
|
|---|
| 489 | del dVars[sRefVarName];
|
|---|
| 490 | aoStmts.insert(iStmt + 1, iai.McStmt('IEM_MC_FREE_LOCAL', [sRefVarName,]));
|
|---|
| 491 | dFreedVars[sParam] = oVarInfo;
|
|---|
| 492 | del dVars[sParam];
|
|---|
| 493 | elif sParam in dFreedVars:
|
|---|
| 494 | self.raiseProblem('Argument %s in %s was used after the call!' % (sParam, oStmt.sName,));
|
|---|
| 495 | else:
|
|---|
| 496 | self.raiseProblem('Argument %s in %s is not known to us' % (sParam, oStmt.sName,));
|
|---|
| 497 |
|
|---|
| 498 | # Check for stray argument variables.
|
|---|
| 499 | for oVarInfo in dVars.values():
|
|---|
| 500 | if oVarInfo.isArg():
|
|---|
| 501 | self.raiseProblem('Unused argument variable: %s' % (oVarInfo.oStmt.sVarName,));
|
|---|
| 502 |
|
|---|
| 503 | elif oStmt.sName in ('IEM_MC_MEM_COMMIT_AND_UNMAP_RW', 'IEM_MC_MEM_COMMIT_AND_UNMAP_RO',
|
|---|
| 504 | 'IEM_MC_MEM_COMMIT_AND_UNMAP_WO', 'IEM_MC_MEM_ROLLBACK_AND_UNMAP_WO',
|
|---|
| 505 | 'IEM_MC_MEM_COMMIT_AND_UNMAP_ATOMIC',
|
|---|
| 506 | 'IEM_MC_MEM_COMMIT_AND_UNMAP_FOR_FPU_STORE_WO'):
|
|---|
| 507 | #
|
|---|
| 508 | # The unmap info variable passed to IEM_MC_MEM_COMMIT_AND_UNMAP_RW
|
|---|
| 509 | # and friends is implictly freed and we must make sure it wasn't
|
|---|
| 510 | # used any later. IEM_MC_MEM_COMMIT_AND_UNMAP_FOR_FPU_STORE_WO takes
|
|---|
| 511 | # an additional a_u16FSW argument, which receives the same treatement.
|
|---|
| 512 | #
|
|---|
| 513 | for sParam in oStmt.asParams:
|
|---|
| 514 | implicitFree(oStmt, dFreedVars, dVars, sParam);
|
|---|
| 515 |
|
|---|
| 516 | elif oStmt.sName in ('IEM_MC_PUSH_U16', 'IEM_MC_PUSH_U32', 'IEM_MC_PUSH_U32_SREG', 'IEM_MC_PUSH_U64',
|
|---|
| 517 | 'IEM_MC_FLAT32_PUSH_U16', 'IEM_MC_FLAT32_PUSH_U32', 'IEM_MC_FLAT32_PUSH_U32_SREG',
|
|---|
| 518 | 'IEM_MC_FLAT64_PUSH_U16', 'IEM_MC_FLAT64_PUSH_U64',):
|
|---|
| 519 | #
|
|---|
| 520 | # The variable being pushed is implicitly freed.
|
|---|
| 521 | #
|
|---|
| 522 | for sParam in oStmt.asParams:
|
|---|
| 523 | implicitFree(oStmt, dFreedVars, dVars, sParam);
|
|---|
| 524 | else:
|
|---|
| 525 | #
|
|---|
| 526 | # Scan all the parameters of generic statements.
|
|---|
| 527 | #
|
|---|
| 528 | for sParam in oStmt.asParams:
|
|---|
| 529 | if sParam in dVars:
|
|---|
| 530 | freeVariable(aoStmts, iStmt, dVars[sParam], dFreedVars, dVars);
|
|---|
| 531 |
|
|---|
| 532 | #
|
|---|
| 533 | # Free anything left from asVarsInScope that's now going out of scope.
|
|---|
| 534 | #
|
|---|
| 535 | if iDepth > 0:
|
|---|
| 536 | for sVarName in asVarsInScope:
|
|---|
| 537 | if sVarName in dVars:
|
|---|
| 538 | freeVariable(aoStmts, len(aoStmts) - 1, dVars[sVarName], dFreedVars, dVars);
|
|---|
| 539 | if sVarName in dFreedVars:
|
|---|
| 540 | del dFreedVars[sVarName]; ## @todo Try eliminate this one...
|
|---|
| 541 | return dFreedVars;
|
|---|
| 542 |
|
|---|
| 543 | kdOptionArchToVal = {
|
|---|
| 544 | 'amd64': 'RT_ARCH_VAL_AMD64',
|
|---|
| 545 | 'arm64': 'RT_ARCH_VAL_ARM64',
|
|---|
| 546 | };
|
|---|
| 547 |
|
|---|
| 548 | def __morphStatements(self, aoStmts, fForLiveness):
|
|---|
| 549 | """
|
|---|
| 550 | Morphs the given statement list into something more suitable for
|
|---|
| 551 | native recompilation.
|
|---|
| 552 |
|
|---|
| 553 | The following is currently done here:
|
|---|
| 554 | - Amend IEM_MC_BEGIN with all the IEM_CIMPL_F_XXX and IEM_MC_F_XXX
|
|---|
| 555 | flags found and derived, including IEM_MC_F_WITHOUT_FLAGS which
|
|---|
| 556 | we determine here.
|
|---|
| 557 | - Insert IEM_MC_FREE_LOCAL when after the last statment a local
|
|---|
| 558 | variable is last used.
|
|---|
| 559 |
|
|---|
| 560 | Returns a new list of statements.
|
|---|
| 561 | """
|
|---|
| 562 | _ = fForLiveness;
|
|---|
| 563 |
|
|---|
| 564 | #
|
|---|
| 565 | # We can skip IEM_MC_DEFER_TO_CIMPL_x_RET stuff.
|
|---|
| 566 | #
|
|---|
| 567 | if self.oVariation.oParent.oMcBlock.fDeferToCImpl:
|
|---|
| 568 | return aoStmts;
|
|---|
| 569 |
|
|---|
| 570 | #
|
|---|
| 571 | # We make a shallow copy of the list, and only make deep copies of the
|
|---|
| 572 | # statements we modify.
|
|---|
| 573 | #
|
|---|
| 574 | aoStmts = list(aoStmts) # type: list(iai.McStmt)
|
|---|
| 575 |
|
|---|
| 576 | #
|
|---|
| 577 | # First, amend the IEM_MC_BEGIN statment, adding all the flags found
|
|---|
| 578 | # to it so the native recompiler can correctly process ARG and CALL
|
|---|
| 579 | # statements (among other things).
|
|---|
| 580 | #
|
|---|
| 581 | # Also add IEM_MC_F_WITHOUT_FLAGS if this isn't a variation with eflags
|
|---|
| 582 | # checking and clearing while there are such variations for this
|
|---|
| 583 | # function (this sounds a bit backwards, but has to be done this way
|
|---|
| 584 | # for the use we make of the flags in CIMPL calls).
|
|---|
| 585 | #
|
|---|
| 586 | # Second, eliminate IEM_MC_NATIVE_IF statements.
|
|---|
| 587 | #
|
|---|
| 588 | iConvArgToLocal = 0;
|
|---|
| 589 | oNewBeginExStmt = None;
|
|---|
| 590 | cStmts = len(aoStmts);
|
|---|
| 591 | iStmt = 0;
|
|---|
| 592 | while iStmt < cStmts:
|
|---|
| 593 | oStmt = aoStmts[iStmt];
|
|---|
| 594 | if oStmt.sName == 'IEM_MC_BEGIN':
|
|---|
| 595 | oNewStmt = copy.deepcopy(oStmt);
|
|---|
| 596 | oNewStmt.sName = 'IEM_MC_BEGIN_EX';
|
|---|
| 597 | fWithFlags = self.oVariation.isWithFlagsCheckingAndClearingVariation();
|
|---|
| 598 | fWithoutFlags = not fWithFlags and self.oVariation.oParent.hasWithFlagsCheckingAndClearingVariation();
|
|---|
| 599 | if fWithFlags or fWithoutFlags or self.oVariation.oParent.dsCImplFlags:
|
|---|
| 600 | if fWithoutFlags:
|
|---|
| 601 | oNewStmt.asParams[0] = ' | '.join(sorted( list(self.oVariation.oParent.oMcBlock.dsMcFlags.keys())
|
|---|
| 602 | + ['IEM_MC_F_WITHOUT_FLAGS',] ));
|
|---|
| 603 | else:
|
|---|
| 604 | oNewStmt.asParams[0] = ' | '.join(sorted( list(self.oVariation.oParent.oMcBlock.dsMcFlags.keys())
|
|---|
| 605 | + ['IEM_MC_F_WITH_FLAGS',] ));
|
|---|
| 606 | if self.oVariation.oParent.dsCImplFlags:
|
|---|
| 607 | oNewStmt.asParams[1] = ' | '.join(sorted(self.oVariation.oParent.dsCImplFlags.keys()));
|
|---|
| 608 | if 'IEM_CIMPL_F_CALLS_CIMPL' in self.oVariation.oParent.dsCImplFlags:
|
|---|
| 609 | sArgs = '%s + IEM_CIMPL_HIDDEN_ARGS' % (len(self.oVariation.oParent.oMcBlock.aoArgs),);
|
|---|
| 610 | elif ( 'IEM_CIMPL_F_CALLS_AIMPL_WITH_FXSTATE' in self.oVariation.oParent.dsCImplFlags
|
|---|
| 611 | or 'IEM_CIMPL_F_CALLS_AIMPL_WITH_XSTATE' in self.oVariation.oParent.dsCImplFlags):
|
|---|
| 612 | sArgs = '%s' % (len(self.oVariation.oParent.oMcBlock.aoArgs) + 1,);
|
|---|
| 613 | else:
|
|---|
| 614 | sArgs = '%s' % (len(self.oVariation.oParent.oMcBlock.aoArgs),);
|
|---|
| 615 | elif not self.oVariation.oParent.oMcBlock.aoArgs:
|
|---|
| 616 | sArgs = '0';
|
|---|
| 617 | else:
|
|---|
| 618 | self.raiseProblem('Have arguments but no IEM_CIMPL_F_CALLS_XXX falgs!');
|
|---|
| 619 | oNewStmt.asParams.append(sArgs);
|
|---|
| 620 |
|
|---|
| 621 | aoStmts[iStmt] = oNewStmt;
|
|---|
| 622 | oNewBeginExStmt = oNewStmt;
|
|---|
| 623 | elif isinstance(oStmt, iai.McStmtNativeIf):
|
|---|
| 624 | if self.kdOptionArchToVal[self.sHostArch] in oStmt.asArchitectures:
|
|---|
| 625 | iConvArgToLocal += 1;
|
|---|
| 626 | oBranch = oStmt.aoIfBranch;
|
|---|
| 627 | else:
|
|---|
| 628 | iConvArgToLocal = -999;
|
|---|
| 629 | oBranch = oStmt.aoElseBranch;
|
|---|
| 630 | aoStmts = aoStmts[:iStmt] + oBranch + aoStmts[iStmt+1:];
|
|---|
| 631 | cStmts = len(aoStmts);
|
|---|
| 632 | continue;
|
|---|
| 633 |
|
|---|
| 634 | iStmt += 1;
|
|---|
| 635 | if iConvArgToLocal > 0:
|
|---|
| 636 | oNewBeginExStmt.asParams[2] = '0';
|
|---|
| 637 |
|
|---|
| 638 | #
|
|---|
| 639 | # If we encountered a IEM_MC_NATIVE_IF and took the native branch,
|
|---|
| 640 | # ASSUME that all ARG variables can be converted to LOCAL variables
|
|---|
| 641 | # because no calls will be made.
|
|---|
| 642 | #
|
|---|
| 643 | if iConvArgToLocal > 0:
|
|---|
| 644 | for iStmt, oStmt in enumerate(aoStmts):
|
|---|
| 645 | if isinstance(oStmt, iai.McStmtArg):
|
|---|
| 646 | if oStmt.sName == 'IEM_MC_ARG':
|
|---|
| 647 | aoStmts[iStmt] = iai.McStmtVar('IEM_MC_LOCAL', oStmt.asParams[:2],
|
|---|
| 648 | oStmt.sType, oStmt.sVarName);
|
|---|
| 649 | elif oStmt.sName == 'IEM_MC_ARG_CONST':
|
|---|
| 650 | aoStmts[iStmt] = iai.McStmtVar('IEM_MC_LOCAL_CONST', oStmt.asParams[:3],
|
|---|
| 651 | oStmt.sType, oStmt.sVarName, oStmt.sValue);
|
|---|
| 652 | else:
|
|---|
| 653 | self.raiseProblem('Unexpected argument declaration when emitting native code: %s (%s)'
|
|---|
| 654 | % (oStmt.sName, oStmt.asParams,));
|
|---|
| 655 | assert(oStmt.sRefType == 'none');
|
|---|
| 656 |
|
|---|
| 657 | #
|
|---|
| 658 | # Do a simple liveness analysis of the variable and insert
|
|---|
| 659 | # IEM_MC_FREE_LOCAL statements after the last statements using each
|
|---|
| 660 | # variable. We do this recursively to best handle conditionals and
|
|---|
| 661 | # scoping related to those.
|
|---|
| 662 | #
|
|---|
| 663 | self.__analyzeVariableLiveness(aoStmts, {});
|
|---|
| 664 |
|
|---|
| 665 | return aoStmts;
|
|---|
| 666 |
|
|---|
| 667 |
|
|---|
| 668 | def renderCode(self, cchIndent, fForLiveness = False):
|
|---|
| 669 | """
|
|---|
| 670 | Returns the native recompiler function body for this threaded variant.
|
|---|
| 671 | """
|
|---|
| 672 | return iai.McStmt.renderCodeForList(self.__morphStatements(self.oVariation.aoStmtsForThreadedFunction, fForLiveness),
|
|---|
| 673 | cchIndent);
|
|---|
| 674 |
|
|---|
| 675 | @staticmethod
|
|---|
| 676 | def checkStatements(aoStmts, sHostArch):
|
|---|
| 677 | """
|
|---|
| 678 | Checks that all the given statements are supported by the native recompiler.
|
|---|
| 679 | Returns dictionary with the unsupported statments.
|
|---|
| 680 | """
|
|---|
| 681 | dRet = {};
|
|---|
| 682 | _ = sHostArch;
|
|---|
| 683 | for oStmt in aoStmts: # type: McStmt
|
|---|
| 684 | if not oStmt.isCppStmt():
|
|---|
| 685 | aInfo = iai.g_dMcStmtParsers.get(oStmt.sName);
|
|---|
| 686 | if not aInfo:
|
|---|
| 687 | aInfo = g_dMcStmtThreaded.get(oStmt.sName);
|
|---|
| 688 | if not aInfo:
|
|---|
| 689 | raise Exception('Unknown statement: %s' % (oStmt.sName, ));
|
|---|
| 690 | if aInfo[3] is False:
|
|---|
| 691 | dRet[oStmt.sName] = 1;
|
|---|
| 692 | elif aInfo[3] is not True:
|
|---|
| 693 | if isinstance(aInfo[3], str):
|
|---|
| 694 | if aInfo[3] != sHostArch:
|
|---|
| 695 | dRet[oStmt.sName] = 1;
|
|---|
| 696 | elif sHostArch not in aInfo[3]:
|
|---|
| 697 | dRet[oStmt.sName] = 1;
|
|---|
| 698 | #elif not self.fDecode:
|
|---|
| 699 |
|
|---|
| 700 | if isinstance(oStmt, iai.McStmtCond):
|
|---|
| 701 | dRet.update(NativeRecompFunctionVariation.checkStatements(oStmt.aoIfBranch, sHostArch));
|
|---|
| 702 | dRet.update(NativeRecompFunctionVariation.checkStatements(oStmt.aoElseBranch, sHostArch));
|
|---|
| 703 |
|
|---|
| 704 | return dRet;
|
|---|
| 705 |
|
|---|
| 706 |
|
|---|
| 707 | ## Statistics: Number of MC blocks (value) depending on each unsupported statement (key).
|
|---|
| 708 | g_dUnsupportedMcStmtStats = {}
|
|---|
| 709 |
|
|---|
| 710 | ## Statistics: List of variations (value) that is only missing this one statement (key).
|
|---|
| 711 | g_dUnsupportedMcStmtLastOneStats = {}
|
|---|
| 712 |
|
|---|
| 713 | ### Statistics: List of variations (value) with aimpl_[^0] calls that is only missing this one statement (key).
|
|---|
| 714 | #g_dUnsupportedMcStmtLastOneAImplStats = {}
|
|---|
| 715 |
|
|---|
| 716 |
|
|---|
| 717 | def analyzeVariantForNativeRecomp(oVariation,
|
|---|
| 718 | sHostArch): # type: (ThreadedFunctionVariation, str) -> NativeRecompFunctionVariation
|
|---|
| 719 | """
|
|---|
| 720 | This function analyzes the threaded function variant and returns an
|
|---|
| 721 | NativeRecompFunctionVariation instance for it, unless it's not
|
|---|
| 722 | possible to recompile at present.
|
|---|
| 723 |
|
|---|
| 724 | Returns NativeRecompFunctionVariation or the number of unsupported MCs.
|
|---|
| 725 | """
|
|---|
| 726 |
|
|---|
| 727 | #
|
|---|
| 728 | # Analyze the statements.
|
|---|
| 729 | #
|
|---|
| 730 | aoStmts = oVariation.aoStmtsForThreadedFunction # type: list(McStmt)
|
|---|
| 731 | dUnsupportedStmts = NativeRecompFunctionVariation.checkStatements(aoStmts, sHostArch);
|
|---|
| 732 | if not dUnsupportedStmts:
|
|---|
| 733 | return NativeRecompFunctionVariation(oVariation, sHostArch);
|
|---|
| 734 |
|
|---|
| 735 | #
|
|---|
| 736 | # Update the statistics.
|
|---|
| 737 | #
|
|---|
| 738 | for sStmt in dUnsupportedStmts:
|
|---|
| 739 | g_dUnsupportedMcStmtStats[sStmt] = 1 + g_dUnsupportedMcStmtStats.get(sStmt, 0);
|
|---|
| 740 |
|
|---|
| 741 | if len(dUnsupportedStmts) == 1:
|
|---|
| 742 | for sStmt in dUnsupportedStmts:
|
|---|
| 743 | if sStmt in g_dUnsupportedMcStmtLastOneStats:
|
|---|
| 744 | g_dUnsupportedMcStmtLastOneStats[sStmt].append(oVariation);
|
|---|
| 745 | else:
|
|---|
| 746 | g_dUnsupportedMcStmtLastOneStats[sStmt] = [oVariation,];
|
|---|
| 747 |
|
|---|
| 748 | #if ( len(dUnsupportedStmts) in (1,2)
|
|---|
| 749 | # and iai.McStmt.findStmtByNames(aoStmts,
|
|---|
| 750 | # { 'IEM_MC_CALL_AIMPL_3': 1,
|
|---|
| 751 | # 'IEM_MC_CALL_AIMPL_4': 1,
|
|---|
| 752 | # #'IEM_MC_CALL_VOID_AIMPL_0': 1, - can't test results... ?
|
|---|
| 753 | # 'IEM_MC_CALL_VOID_AIMPL_1': 1,
|
|---|
| 754 | # 'IEM_MC_CALL_VOID_AIMPL_2': 1,
|
|---|
| 755 | # 'IEM_MC_CALL_VOID_AIMPL_3': 1,
|
|---|
| 756 | # 'IEM_MC_CALL_VOID_AIMPL_4': 1,
|
|---|
| 757 | # #'IEM_MC_CALL_FPU_AIMPL_1': 1,
|
|---|
| 758 | # #'IEM_MC_CALL_FPU_AIMPL_2': 1,
|
|---|
| 759 | # #'IEM_MC_CALL_FPU_AIMPL_3': 1,
|
|---|
| 760 | # #'IEM_MC_CALL_MMX_AIMPL_2': 1,
|
|---|
| 761 | # #'IEM_MC_CALL_MMX_AIMPL_3': 1,
|
|---|
| 762 | # #'IEM_MC_CALL_SSE_AIMPL_2': 1,
|
|---|
| 763 | # #'IEM_MC_CALL_SSE_AIMPL_3': 1,
|
|---|
| 764 | # #'IEM_MC_CALL_AVX_AIMPL_2': 1,
|
|---|
| 765 | # #'IEM_MC_CALL_AVX_AIMPL_3': 1,
|
|---|
| 766 | # #'IEM_MC_CALL_AVX_AIMPL_4': 1,
|
|---|
| 767 | # })):
|
|---|
| 768 | # for sStmt in dUnsupportedStmts:
|
|---|
| 769 | # if sStmt in g_dUnsupportedMcStmtLastOneAImplStats:
|
|---|
| 770 | # g_dUnsupportedMcStmtLastOneAImplStats[sStmt].append(oVariation);
|
|---|
| 771 | # else:
|
|---|
| 772 | # g_dUnsupportedMcStmtLastOneAImplStats[sStmt] = [oVariation,];
|
|---|
| 773 |
|
|---|
| 774 | return None;
|
|---|
| 775 |
|
|---|
| 776 |
|
|---|
| 777 | def analyzeThreadedFunctionsForNativeRecomp(aoThreadedFuncs, sHostArch): # type (list(ThreadedFunction)) -> True
|
|---|
| 778 | """
|
|---|
| 779 | Displays statistics.
|
|---|
| 780 | """
|
|---|
| 781 | print('todo:', file = sys.stderr);
|
|---|
| 782 | cTotal = 0;
|
|---|
| 783 | cNative = 0;
|
|---|
| 784 | for oThreadedFunction in aoThreadedFuncs:
|
|---|
| 785 | cNativeVariations = 0;
|
|---|
| 786 | for oVariation in oThreadedFunction.aoVariations:
|
|---|
| 787 | cTotal += 1;
|
|---|
| 788 | oVariation.oNativeRecomp = analyzeVariantForNativeRecomp(oVariation, sHostArch);
|
|---|
| 789 | if oVariation.oNativeRecomp and oVariation.oNativeRecomp.isRecompilable():
|
|---|
| 790 | cNativeVariations += 1;
|
|---|
| 791 | cNative += cNativeVariations;
|
|---|
| 792 |
|
|---|
| 793 | # If all variations can be recompiled natively, annotate the threaded
|
|---|
| 794 | # function name accordingly so it'll be easy to spot in the stats.
|
|---|
| 795 | if oThreadedFunction.sSubName:
|
|---|
| 796 | if cNativeVariations == len(oThreadedFunction.aoVariations):
|
|---|
| 797 | aoStmts = oThreadedFunction.oMcBlock.decode();
|
|---|
| 798 | oStmt = iai.McStmt.findStmtByNames(aoStmts, {'IEM_MC_NATIVE_IF': True,});
|
|---|
| 799 | if oStmt and NativeRecompFunctionVariation.kdOptionArchToVal[sHostArch] in oStmt.asArchitectures:
|
|---|
| 800 | oThreadedFunction.sSubName += '_ne'; # native emit
|
|---|
| 801 | elif oThreadedFunction.sSubName.find('aimpl') >= 0:
|
|---|
| 802 | oThreadedFunction.sSubName += '_na'; # native aimpl
|
|---|
| 803 | else:
|
|---|
| 804 | oThreadedFunction.sSubName += '_nn'; # native native
|
|---|
| 805 | elif cNativeVariations == 0:
|
|---|
| 806 | oThreadedFunction.sSubName += '_ntodo'; # native threaded todo
|
|---|
| 807 | else:
|
|---|
| 808 | oThreadedFunction.sSubName += '_nm'; # native mixed
|
|---|
| 809 |
|
|---|
| 810 |
|
|---|
| 811 | print('todo: %.1f%% / %u out of %u threaded function variations are recompilable'
|
|---|
| 812 | % (cNative * 100.0 / cTotal, cNative, cTotal), file = sys.stderr);
|
|---|
| 813 | if g_dUnsupportedMcStmtLastOneStats:
|
|---|
| 814 | asTopKeys = sorted(g_dUnsupportedMcStmtLastOneStats, reverse = True,
|
|---|
| 815 | key = lambda sSortKey: len(g_dUnsupportedMcStmtLastOneStats[sSortKey]))[:16];
|
|---|
| 816 | print('todo:', file = sys.stderr);
|
|---|
| 817 | print('todo: Top %s variations with one unsupported statement dependency:' % (len(asTopKeys),),
|
|---|
| 818 | file = sys.stderr);
|
|---|
| 819 | cchMaxKey = max([len(sKey) for sKey in asTopKeys]);
|
|---|
| 820 | for sKey in asTopKeys:
|
|---|
| 821 | print('todo: %*s = %s (%s%s)'
|
|---|
| 822 | % (cchMaxKey, sKey, len(g_dUnsupportedMcStmtLastOneStats[sKey]),
|
|---|
| 823 | ', '.join([oVar.getShortName() for oVar in g_dUnsupportedMcStmtLastOneStats[sKey][:5]]),
|
|---|
| 824 | ',...' if len(g_dUnsupportedMcStmtLastOneStats[sKey]) >= 5 else '', )
|
|---|
| 825 | , file = sys.stderr);
|
|---|
| 826 |
|
|---|
| 827 | asTopKeys = sorted(g_dUnsupportedMcStmtStats, reverse = True,
|
|---|
| 828 | key = lambda sSortKey: g_dUnsupportedMcStmtStats[sSortKey])[:16];
|
|---|
| 829 | print('todo:', file = sys.stderr);
|
|---|
| 830 | print('todo: Top %d most used unimplemented statements:' % (len(asTopKeys),), file = sys.stderr);
|
|---|
| 831 | cchMaxKey = max([len(sKey) for sKey in asTopKeys]);
|
|---|
| 832 | cTopKeys = len(asTopKeys);
|
|---|
| 833 | for i in range(0, cTopKeys & ~1, 2):
|
|---|
| 834 | print('todo: %*s = %4d %*s = %4d'
|
|---|
| 835 | % ( cchMaxKey, asTopKeys[i], g_dUnsupportedMcStmtStats[asTopKeys[i]],
|
|---|
| 836 | cchMaxKey, asTopKeys[i + 1], g_dUnsupportedMcStmtStats[asTopKeys[i + 1]],),
|
|---|
| 837 | file = sys.stderr);
|
|---|
| 838 | if cTopKeys & 1:
|
|---|
| 839 | print('todo: %*s = %4d'
|
|---|
| 840 | % ( cchMaxKey, asTopKeys[i], g_dUnsupportedMcStmtStats[asTopKeys[i]],),
|
|---|
| 841 | file = sys.stderr);
|
|---|
| 842 | print('todo:', file = sys.stderr);
|
|---|
| 843 |
|
|---|
| 844 | #if g_dUnsupportedMcStmtLastOneAImplStats:
|
|---|
| 845 | # asTopKeys = sorted(g_dUnsupportedMcStmtLastOneAImplStats, reverse = True,
|
|---|
| 846 | # key = lambda sSortKey: len(g_dUnsupportedMcStmtLastOneAImplStats[sSortKey]))[:16];
|
|---|
| 847 | # print('todo:', file = sys.stderr);
|
|---|
| 848 | # print('todo: Top %s variations with AIMPL call and 1-2 unsupported statement dependencies:' % (len(asTopKeys),),
|
|---|
| 849 | # file = sys.stderr);
|
|---|
| 850 | # cchMaxKey = max([len(sKey) for sKey in asTopKeys]);
|
|---|
| 851 | # for sKey in asTopKeys:
|
|---|
| 852 | # print('todo: %*s = %s (%s%s)'
|
|---|
| 853 | # % (cchMaxKey, sKey, len(g_dUnsupportedMcStmtLastOneAImplStats[sKey]),
|
|---|
| 854 | # ', '.join([oVar.getShortName() for oVar in g_dUnsupportedMcStmtLastOneAImplStats[sKey][:5]]),
|
|---|
| 855 | # ',...' if len(g_dUnsupportedMcStmtLastOneAImplStats[sKey]) >= 5 else '', )
|
|---|
| 856 | # , file = sys.stderr);
|
|---|
| 857 |
|
|---|
| 858 | return True;
|
|---|
