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Adding --enable_haswell_instructions=false to disable modern instructions.

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This commit is contained in:
Ben Vanik
2015-05-11 21:42:10 -07:00
parent fc02a0c404
commit ad7efa964f
3 changed files with 60 additions and 68 deletions
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15
src/xenia/cpu/backend/x64/x64_emitter.h
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@@ -97,6 +97,13 @@ class XbyakAllocator : public Xbyak::Allocator {
virtual bool useProtect() const { return false; }
};
enum X64EmitterFeatureFlags {
kX64EmitAVX2 = 1 << 1,
kX64EmitFMA = 1 << 2,
kX64EmitLZCNT = 1 << 3,
kX64EmitBMI2 = 1 << 4,
};
class X64Emitter : public Xbyak::CodeGenerator {
public:
X64Emitter(X64Backend* backend, XbyakAllocator* allocator);
@@ -104,7 +111,6 @@ class X64Emitter : public Xbyak::CodeGenerator {
Processor* processor() const { return processor_; }
X64Backend* backend() const { return backend_; }
const Xbyak::util::Cpu* cpu() const { return &cpu_; }
bool Emit(hir::HIRBuilder* builder, uint32_t debug_info_flags,
DebugInfo* debug_info, void*& out_code_address,
@@ -177,6 +183,10 @@ class X64Emitter : public Xbyak::CodeGenerator {
void LoadConstantXmm(Xbyak::Xmm dest, const vec128_t& v);
Xbyak::Address StashXmm(int index, const Xbyak::Xmm& r);
bool IsFeatureEnabled(uint32_t feature_flag) const {
return (feature_flags_ & feature_flag) != 0;
}
DebugInfo* debug_info() const { return debug_info_; }
size_t stack_size() const { return stack_size_; }
@@ -192,7 +202,8 @@ class X64Emitter : public Xbyak::CodeGenerator {
X64Backend* backend_;
X64CodeCache* code_cache_;
XbyakAllocator* allocator_;
Xbyak::util::Cpu cpu_; // Host CPU info
Xbyak::util::Cpu cpu_;
uint32_t feature_flags_;
hir::Instr* current_instr_;