shadps4-emu/ext-cryptopp
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This commit is contained in:
Jeffrey Walton 2020-02-21 16:05:56 -05:00
parent 57139faf61
commit cd16435544
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1 changed files with 3 additions and 1 deletions
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4
cpu.cpp
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@ -304,6 +304,8 @@ word32 CRYPTOPP_SECTION_INIT g_cacheLineSize = CRYPTOPP_L1_CACHE_LINE_SIZE;
extern bool CPU_ProbeSSE2();
// xcr0 is available when xgetbv is present.
// The intrinsic is broke on GCC 8.1 and earlier. Also see
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85684.
word64 XGetBV(word32 num)
{
// Visual Studio 2010 and above, 32 and 64-bit
@ -354,7 +356,7 @@ word64 XGetBV(word32 num)
word32 a=0, d=0;
__asm__
(
".byte 0x0f, 0x01, 0xd0" "\n\t"
".byte 0x0f, 0x01, 0xd0" "\n\t"
: "=a"(a), "=d"(d) : "c"(num) : "cc"
);
return (static_cast<word64>(d) << 32) | a;