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[x64] Add kX64EmitAVX512VBMI feature-flag and detection

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Allows access to byte-element 2-register permutations(32-byte look up
tables) and for 64-bit multi-shifts.
Particularly adding this to accelerate the assembly of our `PERMUTE`
opcode.
This commit is contained in:
Wunkolo
2022-02-04 22:51:17 -08:00
committed by Rick Gibbed
parent d73088e5ca
commit f207239349
3 changed files with 4 additions and 0 deletions
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src/xenia/cpu/backend/x64/x64_emitter.cc
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@@ -98,6 +98,7 @@ X64Emitter::X64Emitter(X64Backend* backend, XbyakAllocator* allocator)
TEST_EMIT_FEATURE(kX64EmitAVX512VL, Xbyak::util::Cpu::tAVX512VL);
TEST_EMIT_FEATURE(kX64EmitAVX512BW, Xbyak::util::Cpu::tAVX512BW);
TEST_EMIT_FEATURE(kX64EmitAVX512DQ, Xbyak::util::Cpu::tAVX512DQ);
TEST_EMIT_FEATURE(kX64EmitAVX512VBMI, Xbyak::util::Cpu::tAVX512_VBMI);
#undef TEST_EMIT_FEATURE
}