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vm.cpp: minor optimization for filling stack guards

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Use REP STOSQ on all compilers.
This commit is contained in:
Nekotekina 2020-11-19 13:21:07 +03:00
parent 6d37bc62a5
commit 3e1344e4e4
1 changed files with 4 additions and 4 deletions
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8
rpcs3/Emu/Memory/vm.cpp
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@ -1114,10 +1114,10 @@ namespace vm
#ifdef _MSC_VER
__stosq(target, data, count);
#else
for (std::size_t i = 0; i < count; i++)
{
target[i] = data;
}
__asm__ ("mov %0, %%rdi; mov %1, %%rax; mov %2, %%rcx; rep stosq;"
:
: "r" (ptr), "r" (data), "r" (count)
: "rdi", "rax", "rcx", "memory");
#endif
};