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[dynarmic] XMM spill, SSE/AVX emit, sub/add, configurable JIT state pointer, remove unnecessary stuff (#128)

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Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/128

https://www.agner.org/optimize/
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2025-08-02 00:48:10 +02:00 • committed by crueter
parent 45e7c0d62d
commit 56acd4041a
Signed by: crueter
GPG key ID: 425ACD2D4830EBC6
47 changed files with 888 additions and 650 deletions
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18
externals/dynarmic/docs/ReturnStackBufferOptimization.md vendored
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@ -79,7 +79,7 @@ contain a prediction with the same `UniqueHash`.
? u64(unique_hash_to_code_ptr[imm64])
: u64(code->GetReturnFromRunCodeAddress());
code->mov(index_reg, dword[r15 + offsetof(JitState, rsb_ptr)]);
code->mov(index_reg, dword[code.ABI_JIT_PTR + offsetof(JitState, rsb_ptr)]);
code->add(index_reg, 1);
code->and_(index_reg, u32(JitState::RSBSize - 1));
@ -91,13 +91,13 @@ contain a prediction with the same `UniqueHash`.
Xbyak::Label label;
for (size_t i = 0; i < JitState::RSBSize; ++i) {
code->cmp(loc_desc_reg, qword[r15 + offsetof(JitState, rsb_location_descriptors) + i * sizeof(u64)]);
code->cmp(loc_desc_reg, qword[code.ABI_JIT_PTR + offsetof(JitState, rsb_location_descriptors) + i * sizeof(u64)]);
code->je(label, code->T_SHORT);
}
code->mov(dword[r15 + offsetof(JitState, rsb_ptr)], index_reg);
code->mov(qword[r15 + index_reg.cvt64() * 8 + offsetof(JitState, rsb_location_descriptors)], loc_desc_reg);
code->mov(qword[r15 + index_reg.cvt64() * 8 + offsetof(JitState, rsb_codeptrs)], code_ptr_reg);
code->mov(dword[code.ABI_JIT_PTR + offsetof(JitState, rsb_ptr)], index_reg);
code->mov(qword[code.ABI_JIT_PTR + index_reg.cvt64() * 8 + offsetof(JitState, rsb_location_descriptors)], loc_desc_reg);
code->mov(qword[code.ABI_JIT_PTR + index_reg.cvt64() * 8 + offsetof(JitState, rsb_codeptrs)], code_ptr_reg);
code->L(label);
}
@ -122,14 +122,14 @@ To check if a predicition is in the RSB, we linearly scan the RSB.
// This calculation has to match up with IREmitter::PushRSB
code->mov(ecx, MJitStateReg(Arm::Reg::PC));
code->shl(rcx, 32);
code->mov(ebx, dword[r15 + offsetof(JitState, FPSCR_mode)]);
code->or_(ebx, dword[r15 + offsetof(JitState, CPSR_et)]);
code->mov(ebx, dword[code.ABI_JIT_PTR + offsetof(JitState, FPSCR_mode)]);
code->or_(ebx, dword[code.ABI_JIT_PTR + offsetof(JitState, CPSR_et)]);
code->or_(rbx, rcx);
code->mov(rax, u64(code->GetReturnFromRunCodeAddress()));
for (size_t i = 0; i < JitState::RSBSize; ++i) {
code->cmp(rbx, qword[r15 + offsetof(JitState, rsb_location_descriptors) + i * sizeof(u64)]);
code->cmove(rax, qword[r15 + offsetof(JitState, rsb_codeptrs) + i * sizeof(u64)]);
code->cmp(rbx, qword[code.ABI_JIT_PTR + offsetof(JitState, rsb_location_descriptors) + i * sizeof(u64)]);
code->cmove(rax, qword[code.ABI_JIT_PTR + offsetof(JitState, rsb_codeptrs) + i * sizeof(u64)]);
}
code->jmp(rax);