source/modules/juce_core/native/juce_intel_SharedCode.h

   1 /*
   2   ==============================================================================
   3
   4    This file is part of the JUCE library.
   5    Copyright (c) 2022 - Raw Material Software Limited
   6
   7    JUCE is an open source library subject to commercial or open-source
   8    licensing.
   9
  10    The code included in this file is provided under the terms of the ISC license
  11    http://www.isc.org/downloads/software-support-policy/isc-license. Permission
  12    To use, copy, modify, and/or distribute this software for any purpose with or
  13    without fee is hereby granted provided that the above copyright notice and
  14    this permission notice appear in all copies.
  15
  16    JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
  17    EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
  18    DISCLAIMED.
  19
  20   ==============================================================================
  21 */
  22
  23 namespace juce
  24 {
  25
  26 #if JUCE_INTEL && ! JUCE_NO_INLINE_ASM
  27
  28 namespace SystemStatsHelpers
  29 {
  30
  31 static void doCPUID (uint32& a, uint32& b, uint32& c, uint32& d, uint32 type)
  32 {
  33     uint32 la = a, lb = b, lc = c, ld = d;
  34
  35    #if JUCE_32BIT && defined (__pic__)
  36     asm ("mov %%ebx, %%edi\n"
  37          "cpuid\n"
  38          "xchg %%edi, %%ebx\n"
  39            : "=a" (la), "=D" (lb), "=c" (lc), "=d" (ld)
  40            : "a" (type), "c" (0));
  41    #else
  42     asm ("cpuid\n"
  43            : "=a" (la), "=b" (lb), "=c" (lc), "=d" (ld)
  44            : "a" (type), "c" (0));
  45    #endif
  46
  47     a = la; b = lb; c = lc; d = ld;
  48 }
  49
  50 static void getCPUInfo (bool& hasMMX,
  51                         bool& hasSSE,
  52                         bool& hasSSE2,
  53                         bool& has3DNow,
  54                         bool& hasSSE3,
  55                         bool& hasSSSE3,
  56                         bool& hasFMA3,
  57                         bool& hasSSE41,
  58                         bool& hasSSE42,
  59                         bool& hasAVX,
  60                         bool& hasFMA4,
  61                         bool& hasAVX2,
  62                         bool& hasAVX512F,
  63                         bool& hasAVX512DQ,
  64                         bool& hasAVX512IFMA,
  65                         bool& hasAVX512PF,
  66                         bool& hasAVX512ER,
  67                         bool& hasAVX512CD,
  68                         bool& hasAVX512BW,
  69                         bool& hasAVX512VL,
  70                         bool& hasAVX512VBMI,
  71                         bool& hasAVX512VPOPCNTDQ)
  72 {
  73     uint32 a = 0, b = 0, d = 0, c = 0;
  74     SystemStatsHelpers::doCPUID (a, b, c, d, 1);
  75
  76     hasMMX   = (d & (1u << 23)) != 0;
  77     hasSSE   = (d & (1u << 25)) != 0;
  78     hasSSE2  = (d & (1u << 26)) != 0;
  79     has3DNow = (b & (1u << 31)) != 0;
  80     hasSSE3  = (c & (1u <<  0)) != 0;
  81     hasSSSE3 = (c & (1u <<  9)) != 0;
  82     hasFMA3  = (c & (1u << 12)) != 0;
  83     hasSSE41 = (c & (1u << 19)) != 0;
  84     hasSSE42 = (c & (1u << 20)) != 0;
  85     hasAVX   = (c & (1u << 28)) != 0;
  86
  87     SystemStatsHelpers::doCPUID (a, b, c, d, 0x80000001);
  88     hasFMA4  = (c & (1u << 16)) != 0;
  89
  90     SystemStatsHelpers::doCPUID (a, b, c, d, 7);
  91     hasAVX2            = (b & (1u <<  5)) != 0;
  92     hasAVX512F         = (b & (1u << 16)) != 0;
  93     hasAVX512DQ        = (b & (1u << 17)) != 0;
  94     hasAVX512IFMA      = (b & (1u << 21)) != 0;
  95     hasAVX512PF        = (b & (1u << 26)) != 0;
  96     hasAVX512ER        = (b & (1u << 27)) != 0;
  97     hasAVX512CD        = (b & (1u << 28)) != 0;
  98     hasAVX512BW        = (b & (1u << 30)) != 0;
  99     hasAVX512VL        = (b & (1u << 31)) != 0;
 100     hasAVX512VBMI      = (c & (1u <<  1)) != 0;
 101     hasAVX512VPOPCNTDQ = (c & (1u << 14)) != 0;
 102 }
 103
 104 } // namespace SystemStatsHelpers
 105
 106 #endif
 107
 108 } // namespace juce